MCP3201

更新时间： 2024-11-19 22:40:15

品牌	Logo	应用领域
美国微芯 - MICROCHIP		转换器
页数	文件大小	规格书
20页	367K
描述
2.7V 12-Bit A/D Converter with SPI Serial Interface

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MCP3201 数据手册

MCP3201

2.7V 12-Bit A/D Converter with SPI^®Serial Interface

FEATURES

PACKAGE TYPES

• 12-bit resolution

• ±1 LSB max DNL

PDIP

• ±1 LSB max INL (MCP3201-B)

• ±2 LSB max INL (MCP3201-C)

• On-chip sample and hold

V_REF

V_DD

IN+

IN–

V_SS

CLK

D_OUT

• SPI^®serial interface (modes 0,0 and 1,1)

• Single supply operation: 2.7V - 5.5V

• 100ksps max. sampling rate at V_DD= 5V

• 50ksps max. sampling rate at V_DD= 2.7V

CS/SHDN

SOIC, TSSOP

• Low power CMOS technology

- 500nA typical standby current, 2µA max.

- 400µA max. active current at 5V

• Industrial temp range: -40°C to +85°C

V_DD

V_REF

CLK

IN+

IN–

V_SS

D_OUT

• 8-pin PDIP, SOIC and TSSOP packages

CS/SHDN

APPLICATIONS

• Sensor Interface

• Process Control

FUNCTIONAL BLOCK DIAGRAM

• Data Acquisition

V_SS

V_DD

• Battery Operated Systems

V_REF

DESCRIPTION

The Microchip Technology Inc. MCP3201 is a succes-

sive approximation 12-bit Analog-to-Digital (A/D) Con-

verter with on-board sample and hold circuitry. The

device provides a single pseudo-differential input. Dif-

ferential Nonlinearity (DNL) is specified at ±1 LSB, and

Integral Nonlinearity (INL) is offered in ±1 LSB

(MCP3201-B) and ±2 LSB (MCP3201-C) versions.

Communication with the device is done using a simple

serial interface compatible with the SPI protocol. The

device is capable of sample rates of up to 100ksps at a

clock rate of 1.6MHz. The MCP3201 operates over a

broad voltage range (2.7V - 5.5V). Low current design

permits operation with typical standby and active cur-

rents of only 500nA and 300µA, respectively. The

device is offered in 8-pin PDIP, TSSOP and 150mil

SOIC packages.

DAC

Comparator

12-Bit SAR

IN+

IN-

Sample

and

Hold

Shift

Control Logic

CS/SHDN CLK

D_OUT

1999 Microchip Technology Inc.

Preliminary

DS21290B-page 1

12 3 4 5 6 7...20

中文翻译

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