Datasheet > ADS852

ADS852

更新时间： 2024-11-23 22:50:07

品牌	Logo	应用领域
BB		转换器
页数	文件大小	规格书
5页	57K
描述
14-Bit, 65MHz Sampling ANALOG-TO-DIGITAL CONVERTER

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中文翻译

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ADS852 数据手册

ADS852

PRELIMINARY INFORMATION

SUBJECT TO CHANGE

WITHOUT NOTICE

14-Bit, 65MHz Sampling

ANALOG-TO-DIGITAL CONVERTER

● FLEXIBLE CLOCKING:

FEATURES

Differential or Single-Ended

● HIGH DYNAMIC RANGE:

High SFDR: 100dB at 20MHz f_IN

High SNR: 75dB at 20MHz f_IN

Accepts Sine or Square Wave Clocking

Down to 0.5Vp-p

Variable Threshold Level

● PREMIUM TRACK/HOLD:

High Bandwidth: 1GHz

APPLICATIONS

● BASESTATION WIDEBAND RADIOS:

Low Jitter: 0.25pS rms

Differential or Single-Ended Inputs

Selectable Full-Scale Input Range

CDMA, GSM, TDMA, 3G, AMPS, NMT

● TEST INSTRUMENTATION

● CCD IMAGING

differential operation gives the lowest even-order harmonic

components. A lower input voltage of 3Vp-p or 2Vp-p can

also be selected using the internal references, further opti-

mizing SFDR. Alternatively, a single-ended input range can

be used by tying the IN input to the common-mode voltage

if desired.

DESCRIPTION

The ADS852 is a high-dynamic range 14-bit, 65MHz

pipelined analog-to-digital converter. It includes a high-

bandwidth linear track/hold that gives excellent spurious

performance up to and beyond the Nyquist rate. This high-

bandwidth track/hold also has a low jitter of only 0.25pS

rms, leading to excellent SNR performance. The clock input

can accept a low level differential sine wave or square wave

signal down to 0.5Vp-p, further improving the SNR perfor-

mance. It also accepts a single-ended clock signal and has

flexible threshold levels.

The ADS852 also provides an over-range flag that indicates

when the input signal has exceeded the converter’s full-scale

range. This flag can also be used to reduce the gain of the

front end signal conditioning circuitry. It also employs

digital error correction techniques to provide excellent dif-

ferential linearity for demanding imaging applications. The

ADS852 is available in a small 48-lead TQFP package.

The ADS852 has a 4Vp-p differential input range (2Vp-p x

2 inputs, +16dBm) for optimum signal-to-noise ratio. The

+V_S

CLK

ADS852

Timing Circuitry

CLK

2Vp-p

14-Bit

Pipelined

A/D Core

Error

Correction

Logic

3-State

Outputs

•

T/H

D13

(+2.5V)

OVR

Reference Ladder

and Driver

Reference and

Mode Select

REFT

V_REFSEL1 SEL2

REFB

OE VDRV

International Airport Industrial Park

•

Mailing Address: PO Box 11400, Tucson, AZ 85734

FAXLine: (800) 548-6133 (US/Canada Only)

• Street Address: 6730 S. Tucson Blvd., Tucson, AZ 85706 • Tel: (520) 746-1111 • Twx: 910-952-1111

Internet: http://www.burr-brown.com/

•

Cable: BBRCORP

•

Telex: 066-6491

•

FAX: (520) 889-1510

•

Immediate Product Info: (800) 548-6132

PDS-1442

Printed in U.S.A. June, 1998

12 3 4 5

中文翻译

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ADS8528	TI	获取价格	12-, 14-, 16-Bit, Eight-Channel, Simultaneous Sampling ANALOG-TO-DIGITAL CONVERTERS
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ADS8528_14	TI	获取价格	12-, 14-, 16-Bit, Eight-Channel, Simultaneous Sampling ANALOG-TO-DIGITAL CONVERTERS
ADS8528SPM	TI	获取价格	12-, 14-, 16-Bit, Eight-Channel, Simultaneous Sampling ANALOG-TO-DIGITAL CONVERTERS
ADS8528SPMR	TI	获取价格	12-, 14-, 16-Bit, Eight-Channel, Simultaneous Sampling ANALOG-TO-DIGITAL CONVERTERS
ADS8528SRGCR	TI	获取价格	12-, 14-, 16-Bit, Eight-Channel, Simultaneous Sampling ANALOG-TO-DIGITAL CONVERTERS
ADS8528SRGCT	TI	获取价格	12-, 14-, 16-Bit, Eight-Channel, Simultaneous Sampling ANALOG-TO-DIGITAL CONVERTERS
ADS852Y	BB	获取价格	14-Bit, 65MHz Sampling ANALOG-TO-DIGITAL CONVERTER
ADS8548	TI	获取价格	12-, 14-, 16-Bit, Eight-Channel, Simultaneous Sampling ANALOG-TO-DIGITAL CONVERTERS
ADS8548SPM	TI	获取价格	12-, 14-, 16-Bit, Eight-Channel, Simultaneous Sampling ANALOG-TO-DIGITAL CONVERTERS

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