Product details

Resolution (Bits) 12 Number of input channels 1 Sample rate (Max) (kSPS) 0.128 Interface type I2C Architecture Delta-Sigma Input type Differential, Single-Ended Multi-channel configuration Rating Catalog Reference mode Supply Input range (Max) (V) 5.5 Input range (Min) (V) 0 Features Oscillator, PGA, Small Size Operating temperature range (C) -40 to 125 Power consumption (Typ) (mW) 0.21 Analog voltage AVDD (Min) (V) 2.7 Analog voltage AVDD (Max) (V) 5.5 INL (Max) (+/-LSB) 1 Digital supply (Min) (V) 2.7 Digital supply (Max) (V) 5.5
Resolution (Bits) 12 Number of input channels 1 Sample rate (Max) (kSPS) 0.128 Interface type I2C Architecture Delta-Sigma Input type Differential, Single-Ended Multi-channel configuration Rating Catalog Reference mode Supply Input range (Max) (V) 5.5 Input range (Min) (V) 0 Features Oscillator, PGA, Small Size Operating temperature range (C) -40 to 125 Power consumption (Typ) (mW) 0.21 Analog voltage AVDD (Min) (V) 2.7 Analog voltage AVDD (Max) (V) 5.5 INL (Max) (+/-LSB) 1 Digital supply (Min) (V) 2.7 Digital supply (Max) (V) 5.5
SOT-23 (DBV) 6 5 mm² 2.9 x 1.6
  • Complete 12-Bit Data Acquisition System in a Tiny SOT-23 Package
  • Low Current Consumption: Only 90µA
  • Integral Nonlinearity: 1LSB Max
  • Single-Cycle Conversion
  • Programmable Gain Amplifier Gain = 1, 2, 4, or 8
  • 128SPS Data Rate
  • I2C Interface with Two Available Addresses
  • Power Supply: 2.7V to 5.5V
  • Pin- and Software-Compatible with 16-Bit ADS1100
  • APPLICATIONS
    • Voltage Monitors
    • Battery Management
    • Industrial Process Control
    • Consumer Goods
    • Temperature Measurement

I2C is a trademark of NXP Semiconductors, Inc.
All other trademarks are the property of their respective owners.

  • Complete 12-Bit Data Acquisition System in a Tiny SOT-23 Package
  • Low Current Consumption: Only 90µA
  • Integral Nonlinearity: 1LSB Max
  • Single-Cycle Conversion
  • Programmable Gain Amplifier Gain = 1, 2, 4, or 8
  • 128SPS Data Rate
  • I2C Interface with Two Available Addresses
  • Power Supply: 2.7V to 5.5V
  • Pin- and Software-Compatible with 16-Bit ADS1100
  • APPLICATIONS
    • Voltage Monitors
    • Battery Management
    • Industrial Process Control
    • Consumer Goods
    • Temperature Measurement

I2C is a trademark of NXP Semiconductors, Inc.
All other trademarks are the property of their respective owners.

The ADS1000 is an I2C-compatible serial interface Analog-to-Digital (A/D) converter with differential inputs and 12 bits of resolution in a tiny SOT23-6 package. Conversions are performed ratiometrically, using the power supply as the reference voltage. The ADS1000 operates from a single power supply ranging from 2.7V to 5.5V.

The ADS1000 performs conversions at a rate of 128 samples per second (SPS). The onboard programmable gain amplifier (PGA), which offers gains of up to 8, allows smaller signals to be measured with high resolution. In single-conversion mode, the ADS1000 automatically powers down after a conversion, greatly reducing current consumption during idle periods.

The ADS1000 is designed for applications where space and power consumption are major considerations. Typical applications include portable instrumentation, consumer goods, and voltage monitoring.

The ADS1000 is an I2C-compatible serial interface Analog-to-Digital (A/D) converter with differential inputs and 12 bits of resolution in a tiny SOT23-6 package. Conversions are performed ratiometrically, using the power supply as the reference voltage. The ADS1000 operates from a single power supply ranging from 2.7V to 5.5V.

The ADS1000 performs conversions at a rate of 128 samples per second (SPS). The onboard programmable gain amplifier (PGA), which offers gains of up to 8, allows smaller signals to be measured with high resolution. In single-conversion mode, the ADS1000 automatically powers down after a conversion, greatly reducing current consumption during idle periods.

The ADS1000 is designed for applications where space and power consumption are major considerations. Typical applications include portable instrumentation, consumer goods, and voltage monitoring.

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Technical documentation

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Type Title Date
* Data sheet Low Power, 12-Bit Analog-to-Digital Converter datasheet (Rev. A) 11 Oct 2007
Application note Calculating Conversion Latency and System Cycle Time for Delta-Sigma ADCs 23 Mar 2022
E-book Fundamentals of Precision ADC Noise Analysis 19 Jun 2020
Application note Digital Filter Types in Delta-Sigma ADCs 27 Jun 2017
Analog Design Journal How delta-sigma ADCs work, Part 1 (Rev. A) 19 Sep 2016
E-book Best of Baker's Best: Precision Data Converters -- Delta-Sigma ADCs 19 Mar 2015
Analog Design Journal How delta-sigma ADCs work, Part 2 09 Nov 2011

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