ADS1208IPW

Overview

The ADS1208IPW is a second-order delta-sigma modulator manufactured by Texas Instruments, designed specifically for applications requiring excitation of Hall elements. It integrates a 1-bit output capable of operating at a maximum data rate of 10 MHz. The device features an internal reference and programmable gain amplifier (PGA) with gains selectable from 1 to 128. It operates on a single supply voltage ranging from 2.7 V to 5.5 V. The component is housed in a 24-pin TSSOP package and is specified for operation over a temperature range of -40°C to +85°C.

Feature Summary

• Second-order delta-sigma modulation architecture optimized for Hall element excitation
• Integrated programmable gain amplifier with gain settings of 1, 2, 4, 8, 16, 32, 64, and 128
• Internal precision reference voltage source
• High-speed 10 MHz digital output interface

Applications

• Hall effect sensor signal conditioning
• Current sensing applications utilizing Hall elements
• Industrial process control systems requiring isolated or high-precision current measurement

Part Context

The ADS1208 belongs to the ADS120x family of delta-sigma modulators from Texas Instruments. This series is characterized by its ability to interface directly with low-level analog signals while providing digital outputs suitable for microcontroller processing. The IPW suffix indicates a 24-lead Thin Shrink Small Outline Package (TSSOP) with a body width of 4.4 mm, designed for surface-mount assembly.

FAQ

What is the maximum data rate of the ADS1208IPW?

The ADS1208IPW supports a maximum data rate of 10 MHz.

Does the ADS1208IPW include an internal reference?

Yes, the device includes an integrated precision reference voltage source.

What is the input common-mode voltage range?

The input common-mode voltage range extends from ground to VDD minus 1.5 V.