1.5Msps, Single-Supply, Low-Power, True-Differential, 10-Bit ADCs

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Part Details
  • 1.5Msps Sampling Rate
  • Only 18mW (typ) Power Dissipation
  • Only 1µA (max) Shutdown Current
  • High-Speed, SPI-Compatible, 3-Wire Serial Interface
  • 61dB S/(N + D) at 525kHz Input Frequency
  • Internal True-Differential Track/Hold (T/H)
  • External Reference
  • No Pipeline Delays
  • Small 12-Pin TQFN Package
Additional Details
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The MAX1070/MAX1071 low-power, high-speed, serial-output, 10-bit, analog-to-digital converters (ADCs) operate at up to 1.5Msps. These devices feature true-differential inputs, offering better noise immunity, distortion improvements, and a wider dynamic range over single-ended inputs. A standard SPI™/QSPI™/MICROWIRE™ interface provides the clock necessary for conversion. These devices easily interface with standard digital signal processor (DSP) synchronous serial interfaces.

The MAX1070/MAX1071 operate from a single +2.7V to +3.6V supply voltage and require an external reference. The MAX1070 has a unipolar analog input, while the MAX1071 has a bipolar analog input. These devices feature a partial power-down mode and a full power-down mode for use between conversions, which lower the supply current to 1mA (typ) and 1µA (max), respectively. Also featured is a separate power-supply input (VL), which allows direct interfacing to +1.8V to VDD digital logic. The fast conversion speed, low-power dissipation, excellent AC performance, and DC accuracy (±0.5 LSB INL) make the MAX1070/MAX1071 ideal for industrial process control, motor control, and base-station applications.

The MAX1070/MAX1071 come in a 12-pin TQFN package, and are available in the extended (-40°C to +85°C) temperature range.


  • Bill Validation
  • Communications
  • Data Acquisition
  • Motor Control
  • Portable Instrumentation

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