ADS7809AU

更新时间： 2024-11-21 13:05:27

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BB		转换器
页数	文件大小	规格书
10页	251K
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数据手册

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ADS7809AU 数据手册

ADS7809

DEMO BOARD

AVAILABLE

ADS7809

16-Bit 10µs Serial CMOS Sampling

ANALOG-to-DIGITAL CONVERTER

DESCRIPTION

FEATURES

The ADS7809 is a complete 16-bit sampling analog-

to-digital using state-of-the-art CMOS structures. It

contains a 16-bit capacitor-based SAR A/D with S/H,

reference, clock, and a serial data interface. Data can

be output using the internal clock, or can be synchro-

nized to an external data clock. The ADS7809 also

provides an output synchronization pulse for ease of

use with standard DSP processors.

● 100kHz SAMPLING RATE

● 86dB SINAD WITH 20kHz INPUT

● ±2 LSB INL

● DNL: 16 BITS “No Missing Codes”

● SIX SPECIFIED INPUT RANGES

● SERIAL OUTPUT

● SINGLE +5V SUPPLY OPERATION

● PIN-COMPATIBLE WITH 12-BIT ADS7808

The ADS7809 is specified at a 100kHz sampling rate,

and guaranteed over the full temperature range. Laser-

trimmed scaling resistors provide various input ranges

including ±10V and 0V to 5V, while an innovative

design operates from a single +5V supply, with power

dissipation under 100mW.

● USES INTERNAL OR EXTERNAL

REFERENCE

● 100mW MAX POWER DISSIPATION

● 20-PIN 0.3" PLASTIC DIP AND SOIC

● SIMPLE DSP INTERFACE

The 20-pin ADS7809 is available in a plastic 0.3" DIP

and in an SOIC, both fully specified for operation over

the industrial –40°C to +85°C range.

Power

Down

R/C

Successive Approximation Register and Control Logic

Clock

20kΩ

10kΩ

CDAC

R1_IN

R2_IN

BUSY

Serial

20kΩ

5kΩ

Data

Out

Data Clock

Serial Data

Comparator

R3_IN

CAP

Internal

+2.5V Ref

Buffer

4kΩ

REF

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-1154D

Printed in U.S.A., November, 1996

12 3 4 5 6 7...10

中文翻译

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ADS7809P	BB	获取价格	16-Bit 10ms Serial CMOS Sampling ANALOG-to-DIGITAL CONVERTER
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