Datasheet > ADS7809UB/1K

ADS7809UB/1K

更新时间： 2024-11-26 02:58:19

品牌	Logo	应用领域
德州仪器 - TI		光电二极管转换器
页数	文件大小	规格书
19页	867K
描述
ANALOG-TO-DIGITAL CONVERTER

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ADS7809UB/1K 数据手册

ADS7809

SBAS017C – NOVEMBER 1996 – REVISED OCTOBER 2006

16-Bit 10µs Serial CMOS Sampling

ANALOG-TO-DIGITAL CONVERTER

DESCRIPTION

FEATURES

The ADS7809 is a complete 16-bit sampling Analog-to-

Digital (A/D) converter using state-of-the-art CMOS struc-

tures. It contains a 16-bit capacitor-based Successive Ap-

proximation Register (SAR) A/D converter with sample-and-

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

be outputted using the internal clock, or can be synchronized

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

ꢀꢀ±2LSB 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

specified 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

ꢀ 0.3" SO-20

The ADS7809 is available in a 0.3" SO-20, and is fully

specified for operation over the industrial –40°C to +85°C

range.

ꢀ SIMPLE DSP INTERFACE

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

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.

All trademarks are the property of their respective owners.

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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ADS7809UB/1K 替代型号

型号	品牌	替代类型	描述	数据表
ADS7809UB	TI	完全替代	16-Bit 10Î¼s Serial CMOS Sampling ANALOG-TO-D
ADS7808U	TI	类似代替	12 位 10µs 串行 CMOS 采样模数转换器 (ADC) \| DW \| 20 \| -

与ADS7809UB/1K相关器件

型号	品牌	获取价格	描述	数据表
ADS7809UB-1K	TI	获取价格	16-Bit 10Î¼s Serial CMOS Sampling ANALOG-TO-D
ADS7809UB-1KE4	TI	获取价格	16-Bit 10Î¼s Serial CMOS Sampling ANALOG-TO-D
ADS7809UBE4	TI	获取价格	16-Bit 10Î¼s Serial CMOS Sampling ANALOG-TO-D
ADS7809UBG4	TI	获取价格	16-Bit 10Î¼s Serial CMOS Sampling ANALOG-TO-D
ADS7809UE4	TI	获取价格	16-Bit 10Î¼s Serial CMOS Sampling ANALOG-TO-D
ADS7809UG4	TI	获取价格	16-Bit 10Î¼s Serial CMOS Sampling ANALOG-TO-D
ADS7810	BB	获取价格	12-Bit 800kHz Sampling CMOS ANALOG-to-DIGITAL CONVERTER
ADS7810	TI	获取价格	ANALOG-TO-DIGITAL CONVERTER
ADS7810AP	BB	获取价格	A/D Converter, 12-Bit, 1 Func, CMOS, PDIP28,
ADS7810AU	BB	获取价格	A/D Converter, 12-Bit, 1 Func, CMOS, PDSO28,

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