ADS7822

更新时间： 2024-09-27 22:53:39

品牌	Logo	应用领域
德州仪器 - TI		转换器
页数	文件大小	规格书
20页	430K
描述
12-Bit, High-Speed, 2.7V microPower Sampling ANALOG-TO-DIGITAL CONVERTER

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替代型号

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ADS7822 数据手册

ADS7822

OPA658

SBAS062A – JANUARY 1996 – REVISED MARCH 2005

12-Bit, High-Speed, 2.7V microPower Sampling

ANALOG-TO-DIGITAL CONVERTER

FEATURES

DESCRIPTION

● 75kHz SAMPLING RATE

The ADS7822 is a 12-bit sampling analog-to-digital (A/D)

converter with ensured specifications over a 2.7V to 5.25V

supply range. It requires very little power even when oper-

ating at the full 75kHz rate. At lower conversion rates, the

high speed of the device enables it to spend most of its time

in the power-down mode—the power dissipation is less than

60µW at 7.5kHz.

● MICRO POWER:

0.54mW at 75kHz

0.06mW at 7.5kHz

● POWER DOWN: 3µA max

● MINI-DIP-8, SOIC-8, AND MSOP-8

● PSEUDO-DIFFERENTIAL INPUT

● SERIAL INTERFACE

The ADS7822 also features operation from 2.0V to 5V, a

synchronous serial interface, and a pseudo-differential input.

The reference voltage can be set to any level within the

range of 50mV to V_CC

APPLICATIONS

● BATTERY-OPERATED SYSTEMS

● REMOTE DATA ACQUISITION

● ISOLATED DATA ACQUISITION

Ultra low power and small size make the ADS7822 ideal for

battery-operated systems. It is also a perfect fit for remote

data acquisition modules, simultaneous multi-channel sys-

tems, and isolated data acquisition. The ADS7822 is avail-

able in a plastic mini-DIP-8, an SOIC-8, or an MSOP-8

package.

● SIMULTANEOUS SAMPLING,

MULTI-CHANNEL SYSTEMS

Control

SAR

V_REF

D_OUT

+In

CDAC

Serial

Interface

DCLOCK

CS/SHDN

–In

Comparator

S/H Amp

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

12 3 4 5 6 7...20

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ADS7822 替代型号

型号	品牌	替代类型	描述	数据表
ADS7817	TI	功能相似	12 位差分输入微功耗采样模数转换器
ADS1286	TI	功能相似	12-Bit Micro Power Sampling ANALOG-TO-DIGITAL CONVERTER
ADS7822-Q1	TI	功能相似	12-BIT 200-kHz MICROPOWER SAMPLING ANALOG-TO-DIGITAL CONVERTER

与ADS7822相关器件

型号	品牌	获取价格	描述	数据表
ADS7822B	BB	获取价格	12-Bit High Speed 2.7V microPower Sampling ANALOG-TO-DIGITAL CONVERTER
ADS7822C	BB	获取价格	12-Bit High Speed 2.7V microPower Sampling ANALOG-TO-DIGITAL CONVERTER
ADS7822E	TI	获取价格	12-Bit, High-Speed, 2.7V microPower Sampling ANALOG-TO-DIGITAL CONVERTER
ADS7822E	BB	获取价格	ADC, Successive Approximation, 12-Bit, 1 Func, 1 Channel, Serial Access, CMOS, PDSO8,
ADS7822E/250	TI	获取价格	12-Bit, High-Speed, 2.7V microPower Sampling ANALOG-TO-DIGITAL CONVERTER
ADS7822E/250G4	TI	获取价格	12 位 200kSPS 微功耗采样模数转换器 \| DGK \| 8 \| -40 to 85
ADS7822E/2K5	TI	获取价格	12-Bit, High-Speed, 2.7V microPower Sampling ANALOG-TO-DIGITAL CONVERTER
ADS7822E/2K5G4	TI	获取价格	12-Bit, High-Speed, 2.7V microPower Sampling ANALOG-TO-DIGITAL CONVERTER
ADS7822EB	TI	获取价格	12-Bit, High-Speed, 2.7V microPower Sampling ANALOG-TO-DIGITAL CONVERTER
ADS7822EB	BB	获取价格	ADC, Successive Approximation, 12-Bit, 1 Func, 1 Channel, Serial Access, CMOS, PDSO8,

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