TI’s analog-to-digital converter (ADC) portfolio features high-performance 8-bit to 18-bit SAR ADCs, 12-bit to 32-bit delta-sigma ADCs and high-speed ADCs from 8-bit to 16-bit running at speeds up to 4 GSPS. TI has an ADC for nearly every analog and mixed-signal application – from factory and building automation to smart grid infrastructure to transportation. TI also offers highly-integrated analog front ends (AFEs) that are optimized for specific applications, such as monitoring and control, software defined radio and sensors.
Top Precision ADC < 10MSPS
The ADS1262 and ADS1263 are low-noise, low-drift, 38.4 kSPS, delta-sigma (ΔΣ) ADCs with an integrated PGA, reference, and internal fault monitors. The ADS1263 integrates an auxiliary, 24-bit, ΔΣ ADC intended for background measurements. The sensor-ready ADCs provide complete, high-accuracy, one-chip measurement solutions for the most-demanding sensor applications, including weigh scales, strain-gauge sensors, thermocouples, and resistance temperature devices (RTD).
The ADS704x family of ultra-small (1.5 x 1.5 mm) and ultra-low power (234nW @ 1KSPS) analog-to-digital converters (ADCs) ranges from 8-bit to 12-bit of resolution with sampling rates up to 1 MSPS. The devices support a wide analog input voltage range (1.65 V to 3.6 V) and include a capacitor-based, successive-approximation register (SAR) ADC with an inherent sample-and-hold circuit. The simple 3-wire SPI-compatible serial interface is controlled by the CS and SCLK signals. The input signal is sampled with the CS falling edge and SCLK is used for conversion and serial data output. The device supports a wide digital supply range (1.65 V to 3.6 V), enabling direct interface to a variety of host controllers. The ADS704x devices also comply with the JESD8-7A standard to support 1.8V digital I/O.
ADS86x4/8 (ADS8694/8, ADS8684/8, ADS8674/8, ADS8664/8)
The ADS86x4/8 family of 4- and 8-channel integrated data acquisition systems based on 12-bit to 18-bit successive approximation (SAR) analog-to-digital converters (ADCs), operating at a throughput of 500 kSPS. The devices feature integrated analog front-end circuitry for each input channel with overvoltage protection up to ±20 V, a 4- or 8-channel multiplexer with automatic and manual scanning modes, and an on-chip precision voltage reference with low temperature drift. Operating on a single 5-V analog supply, each input channel on the devices can support true bipolar input ranges of ±10.24 V, ±5.12 V, and ±2.56 V, as well as unipolar input ranges of 0 V to 10.24 V and 0 V to 5.12 V. The gain of the analog front-end for all input ranges is accurately trimmed to ensure a high dc precision. The input range selection is software-programmable and independent for each channel. There are also user programmable high and low threshold alarms that can be independently configured for each channel. The devices offer a 1-MΩ constant resistive input impedance irrespective of the selected input range.
The ADS9110 is a high precision 18-bit, 2-MSPS, successive approximation register (SAR) analog-to-digital converter (ADC) with ±0.5-LSB INL and 100-dB SNR specifications under typical operating conditions. The device supports unipolar, fully-differential analog input signals and operates with a 2.5-V to 5-V external reference, offering a wide selection of input ranges without additional input scaling. The integrated multiSPI™ serial interface is backward-compatible to the traditional SPI™ protocol and adds configurable features that simplify board layout while achieving higher throughput at lower clock speeds, thus allowing easy interface with a variety of microcontrollers, digital signal processors (DSPs), and field-programmable gate arrays (FPGAs). The ADS9110 also complies with the JESD8-7A standard to support 1.8V digital I/O.
ADSxx53 (ADS8353, ADS7853, ADS7253)
The ADSxx53 devices are part of a pin-compatible family of 12-bit to 16-bit small size (3 x 3mm), high speed, dual simultaneous-sampling, analog-to-digital converters (ADCs) that support single-ended and pseudo-differential analog inputs. Each device includes two individually programmable integrated reference sources that can be used for system-level gain calibration. Also, a flexible serial interface that can operate over a wide power-supply range enables easy communication with a large variety of host controllers.
ADS888x (8881, 8887)
The ADS888x represents one of the highest AC-performance and lowest power consumption ratings in the market for 18-bit, 100kSPS SAR ADCs. These stated specifications along with a full input common-mode range make this a desirable part to designers in industrial and power-conscious projects.
ADS886x (ADS8860, ADS8861, ADS8864)
The ADS886x family represents one of the highest AC-performance and lowest power consumption 16-bit, 1MSPS single-ended input SAR ADCs. With SNR of 93dB, THD of -108B, and power consumption at 5.5mW at 1MSPS make this a desirable part to designers of industrial systems with power-sensitive designs.
The ADS1118 is a very small (QFN package 2.05mm x 1.55mm x 0.4mm) ADC with 0.5°C max accurate temperature sensor, ideal for portable applications where battery life is critical. The integrated 4:1 input mux, 4 digital I/O, PGA and precision 16-bit 860SPS ADC allow the device to handle data acquisition signals from a variety of sensors. The small package readily senses ambient temperature to perform cold junction compensation in thermocouple applications.
The ADS7945 is a 14-bit, 2MSPS, Dual Channel Unipolar, Differential µ-power SAR ADC. The device has outstanding performance of ±1.5LSB INL and ±1.5LSB offset and gain drift. The precision performance is delivered over temperature , eliminating the need for temperature calibration and reducing system cost & complexity.
- ADS7946 in unipolar, single ended inputs
The ADS7924 is a 12-bit, 4-Ch input MUX SAR ADC with Intelligent System Power Control. The device allows MSP430 low power microcontroller powered systems to further reduce power consumption by monitoring the inputs and wake-up the microcontroller from sleep mode via a programmable interrupt pin. **Link to blog article.
The ADS8201 is a low cost 12-Bit, 100kSPS, 8-Channel Data Acquisition System (DAS) with integrated PGA (G-1,2,4,8), reducing board space and system cost. In addition, the integrated FIFO allows the storage of conversion result and reduces number of accesses required by host controller to service the ADC. The device comes in a small 4x4QFN package and consumes only 800µA.
The ADS1248 is a precision 24-bit ADC with an integrated low noise PGA with 48nV at a gain of 128 which allows users to measure input signals from 20mV full scale or less to ±2.5V. The device also has a max data rate of 2kSPS and 4 differential or 7 single ended inputs to sample multiple transducers, eliminating multiple ADCs and external multiplexers. Other integrated features further save space and cost: Temperature sensor, burnout detection and oscillator.
- ADS1247 with 2 differential or 3 single ended inputs
The LMP90100 is a multichannel, low power, 24 bit Sensor Analog Front End with excitation current sources ideal for resistive temperature detectors and bridge sensors. It includes background calibration feature that eliminates gain and offset errors across temperature and time, providing measurement accuracy without sacrificing speed and power consumption. A continuous background sensor diagnostics. It detects open and short circuit conditions and out-of-range signals, without requiring user intervention, resulting in enhanced system reliability. The device also includes 1x to 128x PGA and can support 4 differential or 7 Single Ended inputs or a combination of inputs.
Also Available, in pin compatible family:
- LMP90098: with current source and 2 Differential/ 4 single ended input
- LMP90099: 24 bit without current source and 4 Differential/ 7 single ended inputs
- LMP90097: 24 bit without current source and 2 Differential/ 4 single ended inputs
Also available in 16 bit versions:
The ADS1298 is a core 8-Channel, 24-bit ADC with PGA, ADCs, Wilson Terminal (WCT), Right Leg Drive (RLD) Amplifier, Lead off detect for medical ECG application saving up to 95% space over discrete implementation. The low noise 4µVpp , CMRR of -115dB and -126dB crosstalk allow development of systems that exceed system noise performance 15uVpp for ECG and 30uVpp for patient monitoring.
- ADS1298R: with integrated Respiration Impedance Measurement
- ADS1296: 6-Channel or ADS1296R with integrated Respiration Impedance Measurement
- ADS1294: 4-Channel or ADS1294R with integrated Respiration Impedance Measurement
- ADS1292: 2-Channel or ADS1292R with integrated Respiration Impedance Measurement
- ADS1291: 1-Channel or ADS1291R with integrated Respiration Impedance Measurement
The AMC1304 is a precision, delta-sigma (ΔΣ) modulator that uses a capacitive double isolation barrier to provide up to 7kVPEAK of reinforced isolation. The input of the AMC1304 is optimized for direct connection to shunt resistors or other low voltage-level signal sources. The unique low input voltage range of the ±50-mV device allows significant reduction of the power dissipation through the shunt while supporting excellent ac and dc performance. On the high-side, the modulator is supplied by an integrated low-dropout (LDO) regulator that allows an unregulated input voltage from 4V to 18V.
- AMC1305: Reinforced Isolated Modulator with ±250mV Input and LVDS Interface
The ADS1257 is a low-noise, 30-kSPS, 24-bit, delta-sigma (ΔΣ) analog-to-digital converter (ADC) with an integrated multiplexer, input buffer, and programmable gain amplifier (PGA) in a small 20-pin, 5-mm × 5-mm VQFN package. The combination of integration, high conversion rate, and 24-bit resolution together in a small package makes the device ideally suited for space-constrained applications.
- ADS1255: 24 Bit, 30 kSPS Very Low Noise Delta-Sigma ADC
The ADS131A02 and ADS131A04 are two- and four-channel, simultaneously-sampling, 24-bit, delta-sigma (ΔΣ), analog-to-digital converters (ADCs). The wide dynamic range, scalable data rates, and internal fault monitors make the ADS131A02 and ADS131A04 ideally-suited for energy monitoring, protection, and control applications. The ADC inputs can be independently and directly interfaced to a resistor-divider network, a transformer to measure voltage or current, or a Rogowski coil to measure current. Flexible power-supply options, including an internal negative charge pump, are available to maximize the effective number of bits (ENOB) for high dynamic range applications.
- ADS131E06: Analog Front-End for Power Monitoring, Control and Protection
The ADS127L01 is a 24-bit, delta-sigma (ΔΣ), analog-to-digital converter (ADC) with data rates up to 512 kSPS. This device offers a unique combination of excellent dc accuracy and outstanding ac performance. The high-order, chopper-stabilized modulator achieves very low drift with low in-band noise. The on chip decimation filter suppresses modulator out-of-band noise. In addition to a low-latency filter, the ADS127L01 provides multiple wideband filters with less than ±0.00004 dB of ripple, and an option for –116-dB stop-band attenuation at the Nyquist rate.
- ADS1271: 24-Bit, 105kSPS Industrial Delta-Sigma ADC
- ADS1274: Quad, 128kHz, Simultaneous Sampling 24-Bit Delta Sigma ADC
- ADS1278: Octal, 144kHz, Simultaneous Sampling 24-Bit Delta Sigma ADC
The AMC1301 device is a precision, isolated amplifier with an output separated from the input circuitry by an isolation barrier that is highly resistant to magnetic interference. This barrier is certified to provide reinforced galvanic isolation of up to 7 kVPEAK according to VDE V 0884-10 and UL1577. Used in conjunction with isolated power supplies, this device prevents noise currents on a high common-mode voltage line from entering the local ground and interfering with or damaging sensitive circuitry.
- AMC1100: 4.25kV peak Isolated Amplifier for Current Shunt Measurements
- AMC1200: 4.25kV peak Isolated Amplifier for Current Shunt Measurements
- AMC1200-Q1: Automotive Catalog, 4kV peak Isolated Amplifier for Current Shunt Measurements
- ISO121: Precision Low Cost Isolation Amplifier
- ISO122: Precision Lowest Cost Isolation Amplifier
High Speed ADCs from Texas Instruments deliver the industry’s fastest 12-bit ADCs up to 3.6GSPS and the industry’s lowest power 12- and 14-bit ADC up to 125MSPS. The portfolio also includes the highest SFDR performance ADCs supporting the widest bandwidths. In addition, these data converters connect directly to both Altera and Xilinx FGPAs for easy processing of high speed data.
Top High Speed ADC > 10MSPS Devices:
The ADC12J4000 device is a wideband sampling and digital tuning device. Texas Instruments’ giga-sample analog-to-digital converter (ADC) technology enables a large block of frequency spectrum to be sampled directly at RF. An integrated DDC (Digital Down Converter) provides digital filtering and down-conversion. The selected frequency block is made available on a JESD204B serial interface. Data is output as baseband 15-bit complex information for ease of downstream processing. Based on the digital down-converter (DDC) decimation and link output rate settings, this data is output on 1 to 5 lanes of the serial interface.
1.8GSPS RF sampling ADC with the industry’s largest usable range, beyond the 3rd Nyquist zone. The device simplifies receivers by replacing IF- and ZIF-sampling system mixers, LO synthesizers, filters, amplifiers, and ADCs. The device provides a flexible LVDS interface which has multiple SPI programmable options to facilitate board design and FPGA/ASIC data capture. The LVDS outputs are compatible with IEEE 1596.3-1996 and supports programmable common mode voltage.
Also Available, in Pin Compatible Family:
The ADC16DX370 device is a monolithic dual-channel high performance analog-to-digital converter capable of converting analog input signals into 16-bit digital words with a sampling rate of 370 MSPS. This converter uses a differential pipelined architecture with integrated input buffer to provide excellent dynamic performance while maintaining low power consumption.
The ADC344x are a high-linearity, ultra-low power, quad-channel, 14-bit, 25-MSPS to 125-MSPS, analog-to-digital converter (ADC) family. The devices are designed specifically to support demanding, high input frequency signals with large dynamic range requirements. An input clock divider allows more flexibility for system clock architecture design while the SYSREF input enables complete system synchronization. The ADC344x family supports serial low-voltage differential signaling (LVDS) in order to reduce the number of interface lines, thus allowing for high system integration density. The serial LVDS interface is two-wire, where each ADC data are serialized and output over two LVDS pairs. An internal phase-locked loop (PLL) multiplies the incoming ADC sampling clock to derive the bit clock that is used to serialize the 14-bit output data from each channel. In addition to the serial data streams, the frame and bit clocks are also transmitted as LVDS outputs.
The ADC34J4x is a high-linearity, ultra-low power, quad-channel, 14-bit, 50-MSPS to 160-MSPS, analog-to-digital converter (ADC). The devices are designed specifically to support demanding, high input frequency signals with large dynamic range requirements. A clock input divider allows more flexibility for system clock architecture design while the SYSREF input enables complete system synchronization. The ADC34J4x family supports serial current-mode logic (CML) and JESD204B interfaces in order to reduce the number of interface lines, thus allowing high system integration density. The JESD204B interface is a serial interface, where the data of each ADC are serialized and output over only one differential pair. An internal phase-locked loop (PLL) multiplies the incoming ADC sampling clock by 20 to derive the bit clock that is used to serialize the 14-bit data from each channel. The ADC34J4x devices support subclass 1 with interface speeds up to 3.2 Gbps
World's lowest power 14-bit, 250MSPS ADC with only 260mW of power consumption, over 30% lower than the next lowest power alternative while still providing as much as 3dB better SNR. It offers 71.7 dBFS SNR and 80 dBc SFDR at 170MHz IF. In addition, it offers a 6dB gain in 1dB steps for a tradeoff in SNR/SFDR to support 1Vpp input, maximizing linearity reducing the RF signal path requirements.
Also Available, in Pin Compatible Family:
The ADS42LB49 and ADS42LB69 are a family of high-linearity, dual-channel, 14- and 16-bit,
250-MSPS, analog-to-digital converters (ADCs) supporting DDR and QDR LVDS output interfaces. The buffered analog input provides uniform input impedance across a wide frequency range while minimizing sample-and-hold glitch energy. A sampling clock divider allows more flexibility for system clock architecture design. The ADS42LBx9 provides excellent spurious-free dynamic range (SFDR) over a large input frequency range with low-power consumption.
12 bit 1GSPS ADC wideband digitizing ADC with analog input buffers. The device delivers SFDR of 75dBc @ 250MHz and 70dBc @1000MHz allowing instantaneous digitization of wide bandwidths. The on-chip interleaving trim adjustments for gain, offset and clock phase enable digitizer to maintain 12-bit performance.
The ADS54J54 is a low power, wide bandwidth 14-bit 500 MSPS quad channel analog-to-digital converter (ADC). It supports the JESD204B serial interface with data rates up to 5 Gbps supporting 1 or 2 lanes per ADC. The buffered analog input provides uniform input impedance across a wide frequency range while minimizing sample-and-hold glitch energy. A sampling clock divider allows more flexibility for system clock architecture design. The ADS54J54 provides excellent spurious-free dynamic range (SFDR) over a large input frequency range with very low power consumption. Optional 2x Decimation Filter provides high-pass or low-pass filter modes.
The ADS54J60 is a low-power, wide-bandwidth, 16-bit, 1.0-GSPS, dual-channel, analog-to-digital converter (ADC). Designed for high signal-to-noise ratio (SNR), the device delivers a noise floor of –159 dBFS/Hz for applications aiming for highest dynamic range over a wide instantaneous bandwidth. The device supports the JESD204B serial interface with data rates up to 10 Gbps, supporting two or four lanes per ADC. The buffered analog input provides uniform input impedance across a wide frequency range while minimizing sample-and-hold glitch energy. Each ADC channel optionally can be connected to a wideband digital down-converter (DDC) block. The ADS54J60 provides excellent spurious-free dynamic range (SFDR) over a large input frequency range with very low power consumption.
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