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8-channel, 140-kSPS, 12-bit analog-to-digital converter (ADC) with I2C, GPIOs and CRC

ADS7138IRTET General Description

The ADC features a wide input voltage range of +/-2.5V, allowing for seamless integration with various systems. Moreover, it includes internal reference buffers and a temperature sensor, providing increased flexibility and precision in a compact package

Key Features

  • Small package size:
    • 3-mm × 3-mm WQFN
  • 8 channels configurable as any combination of:
    • Up to 8 analog inputs, digital inputs, or digital outputs
  • GPIOs for I/O expansion:
    • Open-drain, push-pull digital outputs
  • Analog watchdog:
    • Programmable thresholds per channel
    • Event counter for transient rejection
  • Wide operating ranges:
    • AVDD: 2.35 V to 5.5 V
    • DVDD: 1.65 V to 5.5 V
    • –40°C to +125°C temperature range
  • CRC for read/write operations:
    • CRC on data read/write
    • CRC on power-up configuration
  • I2C interface:
    • Up to 3.4 MHz (high-speed mode)
    • 8 configurable I2C addresses
  • Programmable averaging filters:
    • Programmable sample size for averaging
    • Averaging with internal conversions
    • 16-bit resolution for average output


Source Content uid ADS7138IRTET Pbfree Code Yes
Part Life Cycle Code Active Reach Compliance Code compliant
ECCN Code EAR99 HTS Code 8542.39.00.01
Date Of Intro 2019-06-30 Converter Type ADC, SUCCESSIVE APPROXIMATION
JESD-30 Code S-PQCC-N16 Moisture Sensitivity Level 1
Number of Analog In Channels 8 Number of Bits 12
Number of Functions 1 Number of Terminals 16
Output Bit Code BINARY Output Format SERIAL
Peak Reflow Temperature (Cel) 260 Surface Mount YES
Temperature Grade INDUSTRIAL Terminal Finish NICKEL PALLADIUM GOLD
Terminal Form NO LEAD Terminal Position QUAD
Time@Peak Reflow Temperature-Max (s) 30

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AVAQ determines and packages all devices based on electrostatic discharge (ESD) and moisture sensitivity level (MSL) protection requirements.

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