1FEATURES

23· 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

DESCRIPTION

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.