AFE0064

64 Channel Analog Front End for Digital X-Ray Detector

Check for Samples :AFE0064

1

FEATURES

DESCRIPTION

•

64 Channels

•

28.32 µSec Min Scan Time (including

The AFE0064 is a 64 channel analog front end

designed to suit the requirements of flat panel

integration and data transfer for all 64

detector based digital X-ray systems.

channels)

•

7.5 MHz Max Data Transfer Rate

The device includes 64 integrators, a PGA for full

scale

charge

level

selection,

correlated

double

•

Noise 824 e-RMS with 30 pF Sensor Capacitor

sampler, 64 as to 2 multiplexer, and two differential

in 1.2 pC Range

output drivers.

•

Integral Nonlinearity: ±0.006% of FSR

Hardware

selectable

Integration

polarity

allows

•

Eight Adjustable Full Scale Ranges (0.13 pC

integration of a positive or negative charge and

min to 9.5 pC max)

provides more flexibility in system design. In addition,

•

Built in CDS (signal sample – offset sample)

the device features TFT (Thin Film Transistor from

Flat Panel Detector) charge injection compensation.

•

Selectable Integration Up/Down Mode

This feature helps maximize the usable signal charge

•

Low Power: 175 mW

range of the device.

•

NAP Mode: 49.5 mW

The nap feature enables substantial power saving.

•

14 mm × 14 mm 128 Pin TQFP Package

This is especially useful for power saving during long

X-ray exposure periods.

APPLICATIONS

The AFE0064 is available in a 128 pin TQFP

•

Digital Radiography

package.

•

CT Scanners

•

Baggage Scanners

•

Infrared Spectroscopy

INTEGRAL

MIN SCAN

TRANSPORT

POWER

NUMBER OF

PACKAGE

PACKAGE

TEMPERATURE

ORDERING

MODEL

LINEARITY

TIME

MEDIA

DISSIPATION

CHANNELS

TYPE

DESIGNATOR

RANGE

INFORMATION

% of FS

(µSec)

QUANTITY

AFE0064IPBK

90(5+1)

AFE0064

0.006

175 mW

28.32

64

TQFP

PBK

–40 to 85°C

AFE0064IPBKR

1000

(1)

For the most current package and ordering information, see the Package Option Addendum at the end of this document, or see the TI

website at www.ti.com.

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Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas

Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.

PRODUCTION DATA information is current as of publication date.

Copyright © 2009, Texas Instruments Incorporated

Products conform to specifications per the terms of the Texas

Instruments standard warranty. Production processing does not

necessarily include testing of all parameters.