MCP3002T

更新时间： 2024-11-20 11:05:31

品牌	Logo	应用领域
美国微芯 - MICROCHIP		转换器
页数	文件大小	规格书
34页	558K
描述
2.7V Dual Channel 10-Bit A/D Converter with SPI Serial Interface

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MCP3002T 数据手册

MCP3002

2.7V Dual Channel 10-Bit A/D Converter

with SPI Serial Interface

Features

Description

• 10-bit resolution

The Microchip Technology Inc. MCP3002 is a

successive approximation 10-bit Analog-to-Digital

(A/D) Converter with on-board sample and hold

circuitry. The MCP3002 is programmable to provide a

single pseudo-differential input pair or dual single-

ended inputs. Differential Nonlinearity (DNL) and

Integral Nonlinearity (INL) are both specified at ±1 LSB.

Communication with the device is done using a simple

serial interface compatible with the SPI protocol. The

device is capable of conversion rates of up to 200 ksps

at 5V and 75 ksps at 2.7V. The MCP3002 device

operates over a broad voltage range (2.7V - 5.5V).

Low-current design permits operation with a typical

standby current of 5 nA and a typical active current of

375 µA.

• ±1 LSB maximum DNL

• ±1 LSB maximum INL

• Analog inputs programmable as single-ended or

pseudo-differential pairs

• On-chip sample and hold

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

• Single supply operation: 2.7V - 5.5V

• 200 ksps max sampling rate at V_DD= 5V

• 75 ksps max sampling rate at V_DD= 2.7V

• Low power CMOS technology:

- 5 nA typical standby current, 2 µA maximum

- 550 µA maximum active current at 5V

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

• 8-pin MSOP, PDIP, SOIC and TSSOP packages

The MCP3002 is offered in 8-pin MSOP, PDIP, TSSOP

and 150 mil SOIC packages.

Applications

Package Types

MSOP, PDIP, SOIC, TSSOP

• Sensor Interface

• Process Control

CS/SHDN

CH0

V_DD/V_REF

• Data Acquisition

CLK

D_OUT

D_IN

• Battery Operated Systems

CH1

Functional Block Diagram

V_SS

Input

Channel

Mux

CH0

CH1

DAC

Comparator

10-Bit SAR

Sample

and

Hold

Shift

Control Logic

CS/SHDN

CLK

OUT

DS21294D-page 1

12 3 4 5 6 7...34

中文翻译

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