ADS8512

更新时间： 2024-10-01 04:31:51

品牌	Logo	应用领域
德州仪器 - TI		转换器
页数	文件大小	规格书
32页	957K
描述
12-Bit, 40-kSPS, Low Power Sampling ANALOG-TO-DIGITAL CONVERTER with Internal Reference and Serial Interface

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ADS8512 数据手册

ADS8512

www.ti.com ...................................................................................................................................................................................................... SLAS485–JUNE 2008

12-Bit, 40-kSPS, Low Power Sampling ANALOG-TO-DIGITAL CONVERTER

with Internal Reference and Serial Interface

FEATURES

APPLICATIONS

•

Industrial Process Control

Test Equipment

Robotics

DSP Servo Control

Medical Instrumentation

Portable Data Acquisition Systems

234

•

40-kHz Minimum Sampling Rate

•

Very Low Power: 25 mW

±3.33-V, ±5-V, ±10-V, 4-V, and 10-V Input

Ranges

•

73.9-dB SINAD with 10-kHz Input

±0.5 LSB Max INL

±0.5 LSB Max DNL, 12-Bit NMC

±5-mV BPZ, ±2 ppm/°C BPZ Drift

72-dB Min SINAD, 80-dB Min SFDR

Uses Internal or External 2.5-V Reference

No External Calibration Resistors Required

Single 5-V Analog Supply:

DESCRIPTION

The ADS8512 is a complete low-power, single 5-V

supply, 12-bit sampling analog-to-digital (A/D)

converter.

contains

complete

12-bit

capacitor-based, successive approximation register

(SAR) A/D converter with sample-and-hold (S/H),

clock, reference, and serial data interface. The

converter can be configured for a variety of input

ranges including ±10 V, ±5 V, 0 V to 10 V, and 0.5 V

to 4.5 V. A high-impedance, 0.3-V to 2.8-V input is

also available with input impedance greater than 10

MΩ. For most input ranges, the input voltage can

swing to 25 V or –25 V without damage to the

converter.

–

32.5-mW Max Power Dissipation

50-µW Max Power-Down Mode

•

SPI™-Compatible Serial Port up to 20MHz,

with Master/Slave Feature

Global CONV and 3-Stated Bus for Multi-Chip

Simultaneous S/H Operation

Pin-Compatible with ADS7812 and 16-Bit

ADS7813/8513

An SPI-compatible serial interface allows data to be

synchronized to an internal or external clock. The

ADS8512 is specified at 40-kHz sampling rate over

the –40°C to +85°C industrial temperature range.

SO-16 Package

SuccessiveApproximation Register

Clock

EXT/INT

CDAC

40 kW

8 kW

PWRD

BUSY

Serial

Data

Out

CONV

SDATA

DATACLK

20 kW

and

Control

Comparator

BUF

CAP

Buffer

4 kW

Internal

REF

+2.5 V 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.

TMS320 is a trademark of Texas Instruments.

SPI is a trademark of Motorola, Inc.

All other 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 the Texas

Instruments standard warranty. Production processing does not

necessarily include testing of all parameters.

12 3 4 5 6 7...32

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与ADS8512相关器件

型号	品牌	获取价格	描述	数据表
ADS8512IBDW	TI	获取价格	12-Bit, 40-kSPS, Low Power Sampling ANALOG-TO-DIGITAL CONVERTER with Internal Reference an
ADS8512IBDWR	TI	获取价格	12-Bit, 40-kSPS, Low Power Sampling ANALOG-TO-DIGITAL CONVERTER with Internal Reference an
ADS8512IBDWRG4	TI	获取价格	1-CH 12-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL ACCESS, PDSO16, GREEN, PLASTIC, SOIC-16
ADS8512IDW	TI	获取价格	12-Bit, 40-kSPS, Low Power Sampling ANALOG-TO-DIGITAL CONVERTER with Internal Reference an
ADS8512IDWG4	TI	获取价格	1-CH 12-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL ACCESS, PDSO16, GREEN, PLASTIC, SOIC-16
ADS8512IDWR	TI	获取价格	12-Bit, 40-kSPS, Low Power Sampling ANALOG-TO-DIGITAL CONVERTER with Internal Reference an
ADS8513	TI	获取价格	16-BIT 40-KSPS LOW POWER SAMPLING ANALOG-TO-DIGITAL CONVERTER WITH INTERNAL REFERENCE AND
ADS8513I	TI	获取价格	16-BIT 40-KSPS LOW POWER SAMPLING ANALOG-TO-DIGITAL CONVERTER WITH INTERNAL REFERENCE AND
ADS8513IB	TI	获取价格	16-BIT 40-KSPS LOW POWER SAMPLING ANALOG-TO-DIGITAL CONVERTER WITH INTERNAL REFERENCE AND
ADS8513IBDW	TI	获取价格	16-BIT 40-KSPS LOW POWER SAMPLING ANALOG-TO-DIGITAL CONVERTER WITH INTERNAL REFERENCE AND

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