Datasheet > ADC12138

ADC12138

更新时间： 2024-11-20 02:58:35

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德州仪器 - TI		/
页数	文件大小	规格书
51页	2087K
描述
Self-Calibrating 12-Bit Plus Sign Serial I/O A/D Converters with MUX and Sample/Hold

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ADC12138 数据手册

ADC12130, ADC12132, ADC12138

www.ti.com

SNAS098G –MARCH 2000–REVISED MARCH 2013

ADC12130/ADC12132/ADC12138 Self-Calibrating 12-Bit Plus Sign Serial I/O A/D

Converters with MUX and Sample/Hold

Check for Samples: ADC12130, ADC12132, ADC12138

FEATURES

DESCRIPTION

NOTE: Some device/package combinations are

obsolete and are described and shown here for

reference only. See our web site for product

availability.

•

Serial I/O (MICROWIRE, SPI and QSPI

Compatible)

•

Power Down Mode

Programmable Acquisition Time

The ADC12130, ADC12132 and ADC12138 are 12-

bit plus sign successive approximation Analog-to-

Digital converters with serial I/O and configurable

input multiplexer. The ADC12132 and ADC12138

have a 2 and an 8 channel multiplexer, respectively.

The differential multiplexer outputs and ADC inputs

are available on the MUXOUT1, MUXOUT2, A/DIN1

and A/DIN2 pins. The ADC12130 has a two channel

multiplexer with the multiplexer outputs and ADC

inputs internally connected. The ADC12130 family is

tested and specified with a 5 MHz clock. On request,

these ADCs go through a self calibration process that

adjusts linearity, zero and full-scale errors to typically

less than ±1 LSB each.

Variable Digital Output Word Length and

Format

•

No Zero or Full Scale Adjustment Required

0V to 5V Analog Input Range with Single 5V

Power Supply

APPLICATIONS

•

Pen-Based Computers

Digitizers

Global Positioning Systems

KEY SPECIFICATIONS

The analog inputs can be configured to operate in

various combinations of single-ended, differential, or

pseudo-differential modes. A fully differential unipolar

analog input range (0V to +5V) can be

accommodated with a single +5V supply. In the

differential modes, valid outputs are obtained even

when the negative inputs are greater than the positive

because of the 12-bit plus sign output data format.

•

Resolution 12-bit plus sign

12-Bit plus sign conversion time 8.8 μs (max)

12-Bit plus sign throughput time 14 μs (max)

Integral Linearity Error ±2 LSB (max)

Single Supply 3.3V or 5V ±10%

Power Consumption

The serial I/O is configured to comply with NSC

MICROWIRE. For voltage references, see the

LM4040, LM4050 or LM4041.

–

+3.3V 15 mW (max)

+3.3V power down 40 μW (typ)

+5V 33 mW (max)

+5V power down 100 μW (typ)

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 the Texas

Instruments standard warranty. Production processing does not

necessarily include testing of all parameters.

12 3 4 5 6 7...51

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与ADC12138相关器件

型号	品牌	获取价格	描述	数据表
ADC12138CIMSA	NSC	获取价格	Self-Calibrating 12-Bit Plus Sign Serial I/O A/D Converters with MUX and Sample/Hold
ADC12138CIMSA	TI	获取价格	ADC12130/ADC12132/ADC12138 Self-Calibrating 12-Bit Plus Sign Serial I/O A/D Converters wit
ADC12138CIMSAX	TI	获取价格	ADC12130/ADC12132/ADC12138 Self-Calibrating 12-Bit Plus Sign Serial I/O A/D Converters wit
ADC12138CIMSAX/NOPB	TI	获取价格	Self-Calibrating 12-Bit Plus Sign Serial I/O A/D Converter with MUX and Sample/Hold 28-SSO
ADC12138CIN	NSC	获取价格	Self-Calibrating 12-Bit Plus Sign Serial I/O A/D Converters with MUX and Sample/Hold
ADC12138CIWM	NSC	获取价格	Self-Calibrating 12-Bit Plus Sign Serial I/O A/D Converters with MUX and Sample/Hold
ADC12138CIWM	TI	获取价格	Self-Calibrating 12-Bit Plus Sign Serial I/O A/D Converter with MUX and Sample/Hold 28-SOI
ADC12138CIWM/NOPB	NSC	获取价格	IC 8-CH 12-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL ACCESS, PDSO28, SSOP-28, Analog to Dig
ADC12138CIWM/NOPB	TI	获取价格	Self-Calibrating 12-Bit Plus Sign Serial I/O A/D Converters with MUX and Sample/Hold
ADC12138CIWM/NOPB	ROCHESTER	获取价格	8-CH 12-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL ACCESS, PDSO28, SSOP-28

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