AFE1256TDQ

Description：PROTOTYPE
Series：-

SKU:407fad1d4f18 Category: Analog Front End (AFE) Brand: Texas Instruments

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Product introduction

AFE1256TDQ is listed in the Analog Front End (AFE) range at ChipApex. The manufacturer field lists Texas Instruments. Its product description is PROTOTYPE. Review the specifications below when checking this part for your BOM.

Analog Front End (AFE) specifications for AFE1256TDQ

Description：PROTOTYPE
Series：-
Package：Bulk
Mfr：Texas Instruments
Number of Bits：16
Number of Channels：256
Voltage - Supply, Analog：-
Voltage - Supply, Digital：-
Mounting Type：Surface Mount
Package / Case：Module
Supplier Device Package：344-COF
Power (Watts)：-
Grade：-
Qualification：-

Analog Front End (AFE) datasheet and documents for AFE1256TDQ

AFE1256TDQ

Analog Front End (AFE) Overview

The AFE1256 is a 256-channel analog front-end designed for flat-panel detectors in digital X-ray systems. It integrates 256 integrators, a programmable gain amplifier (PGA), a correlated double sampler (CDS) with dual banking, 256:4 analog multiplexers, and four 16-bit successive-approximation register (SAR) ADCs. The device supports hardware-selectable integration polarity and offers eight selectable full-scale ranges from 0.15 pC to 9.6 pC. Key performance metrics include 758 e-RMS noise with a 28-pF sensor capacitor and integral nonlinearity of ±2 LSB. Power consumption is 2.9 mW per channel with the ADC active.

Analog Front End (AFE) Feature Summary

256 channels with on-chip 16-bit SAR ADCs
Built-in Correlated Double Sampler (CDS) with dual banking
Hardware-selectable electron or hole integration polarity
2x Binning mode for faster throughput

Analog Front End (AFE) Applications

Flat-panel digital X-ray detectors

Analog Front End (AFE) Procurement Notes

Verify package availability as the TDQ package was deleted from documentation in Revision C. Confirm current status against the Package Option Addendum, which lists GBTD and TDS packages as active production items. Ensure compliance with TI's standard warranty disclaimers and product life cycle policies when ordering.

Analog Front End (AFE) Selection Notes

Select between the gold-bump die (GBTD) and COF package (TDS) based on system integration requirements such as TCP or COF mounting. Consider the Nap feature for power savings in battery-powered applications. Verify that the required full-scale charge range fits within the device's 0.15 pC to 9.6 pC capability.

Analog Front End (AFE) Part Context

The AFE1256 is part of Texas Instruments' family of analog front-ends for digital imaging. It succeeded earlier versions where the TDQ package was listed; subsequent revisions removed this package option. The device is specifically engineered for high-performance X-ray detection requiring low noise and high channel density.