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MAX1034/MAX1035


Maxim's 4-/8-channel, ±VREF multirange inputs, serial 14-Bit ADCs


Maxim's MAX1034/MAX1035Maxim's MAX1034/MAX1035 multirange, low-power, 14-bit, successive-approximation, analog-to-digital converters (ADCs) operate from a single +5 V supply and achieve throughput rates up to 115 ksps. A separate digital supply allows digital interfacing with 2.7 V to 5.25 V systems using the SPI-/QSPI™-/MICROWIRE®-compatible serial interface. Partial power-down mode reduces the supply current to 1.3 mA (typ), and full power-down mode reduces the power-supply current to 1µA (typ). The MAX1034 provides eight (single-ended) or four (true differential) analog input channels, and the MAX1035 provides four (single-ended) or two (true differential) analog input channels. Each analog input channel is independently software programmable for seven single-ended input ranges (0 V to +VREF/2, -VREF/2 to 0 V, 0 V to +VREF, -VREF to 0V, ±VREF/4, ±VREF/2, and ±VREF), and three differential input ranges (±VREF/2, ±VREF, ±2 x VREF). An on-chip +4.096 V reference offers a small convenient ADC solution. The MAX1034/MAX1035 can also accept an external reference voltage between 3.800 V and 4.136 V. The MAX1034 is available in a 24-pin TSSOP package and the MAX1035 is available in a 20-pin TSSOP package. Each device is specified for operation from -40°C to +85°C.


Features
  • Software-programmable input range for each channel
  • Single-ended input ranges
  • Differential input ranges
  • Eight single-ended or four differential analog inputs (MAX1034)
  • Four single-ended or two differential analog inputs (MAX1035)
  • ±6 V overvoltage tolerant inputs
  • Internal or external reference
  • 115 ksps maximum sample rate
  • Single +5 V power supply
  • 20-/24-pin TSSOP package

Applications
  • Avionics
  • Data acquisition systems
  • Industrial control systems
  • Robotics

Digi-Key P/N Manufacturer P/N Description
MAX1034BEUG+-ND MAX1034BEUG+ IC ADC 14BIT SRL 115KSPS 24TSSOP Datasheet
MAX1035EUP+-ND MAX1035EUP+ IC ADC 14BIT SER 115KSPS 20TSSOP