Datasheet > ADS5422_14

ADS5422_14

更新时间： 2024-12-01 02:58:55

品牌	Logo	应用领域
德州仪器 - TI		/
页数	文件大小	规格书
19页	394K
描述
14-Bit, 62MSPS Sampling ANALOG-TO-DIGITAL CONVERTER

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ADS5422_14 数据手册

ADS5422

SBAS250C – MARCH 2002 – REVISED MARCH 2004

14-Bit, 62MSPS Sampling

ANALOG-TO-DIGITAL CONVERTER

FEATURES

DESCRIPTION

● HIGH DYNAMIC RANGE:

High SFDR: 85dB at 10MHz f_IN

High SNR: 72dB at 10MHz f_IN

The ADS5422 is a high-dynamic range, 14-bit, 62MSPS,

pipelined Analog-to-Digital Converter (ADC). It includes a

high-bandwidth linear track-and-hold amplifier that gives good

spurious performance up to the Nyquist rate. The clock input

can accept a low-level differential sine wave or square wave

signal down to 0.5Vp-p, further improving the Signal-to-Noise

Ratio (SNR) performance.

● PREMIUM TRACK-AND-HOLD:

Differential Inputs

Selectable Full-Scale Input Range

● FLEXIBLE CLOCKING:

Differential or Single-Ended

Accepts Sine or Square Wave Clocking Down to

0.5Vp-p

The ADS5422 has a 4Vp-p differential input range

(2Vp-p • 2 inputs) for optimum Spurious-Free Dynamic

Range (SFDR). The differential operation gives the lowest

even-order harmonic components. A lower input voltage can

also be selected using the internal references, further optimizing

SFDR.

Variable Threshold Level

APPLICATIONS

The ADS5422 is available in an LQFP-64 package.

● COMMUNICATIONS RECEIVERS

● TEST INSTRUMENTATION

● CCD IMAGING

+V_S

CLK

ADS5422

Timing Circuitry

CLK

14-Bit

Pipelined

ADC

2Vp-p

Error

Correction

Logic

3-State

Outputs

•

T&H

D13

Core

(+2.5V)

Reference Ladder

and Driver

Reference and

Mode Select

REFT

V_REFSEL1 SEL2

REFB

OE VDRV

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.

Products conform to specifications per the terms of Texas Instruments

standard warranty. Production processing does not necessarily include

testing of all parameters.

www.ti.com

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