MCP3202 Datasheet_PDF文件下载_芯片资料查询

12-bit resolution

卤1 LSB max DNL

卤1 LSB max INL (MCP3202-B)

卤2 LSB max INL (MCP3202-C)

Analog inputs programmable as single-ended or

pseudo-differential pairs

On-chip sample and hold

SPI

庐

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

Low power CMOS technology

- 500nA typical standby current, 5碌A max.

- 550碌A max. active current at 5V

Industrial temp range: -40掳C to +85掳C

8-pin PDIP SOIC and TSSOP packages

PACKAGE TYPES

PDIP

CS/SHDN

CH0

CH1

V

SS

1

2

3

4

8

7

6

5

V

DD

/V

REF

CLK

D

OUT

D

IN

MCP3202

SOIC, TSSOP

CS/SHDN

CH0

CH1

V

SS

鈥?/div>

1

2

3

4

8

7

6

5

MCP3202

V

DD

/V

REF

CLK

D

OUT

D

IN

APPLICATIONS

鈥?/div>

Sensor Interface

Process Control

Data Acquisition

Battery Operated Systems

FUNCTIONAL BLOCK DIAGRAM

V

DD

V

SS

DESCRIPTION

The Microchip Technology Inc. MCP3202 is a succes-

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

verter with on-board sample and hold circuitry. The

MCP3202 is programmable to provide a single

pseudo-differential input pair or dual single-ended

inputs. Differential Nonlinearity (DNL) is specified at

卤1 LSB, and Integral Nonlinearity (INL) is offered in

卤1 LSB (MCP3202-B) and 卤2 LSB (MCP3202-C) ver-

sions. 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

100ksps at 5V and 50ksps at 2.7V. The MCP3202

device operates over a broad voltage range (2.7V -

5.5V). Low current design permits operation with typi-

cal standby and active currents of only 500nA and

375碌A, respectively. The MCP3202 is offered in 8-pin

PDIP, TSSOP and 150mil SOIC packages.

CH0

CH1

Input

Channel

Mux

DAC

Comparator

Sample

and

Hold

Control Logic

12-Bit SAR

Shift

Register

CS/SHDN

D

IN

CLK

D

OUT

漏

1999 Microchip Technology Inc.

Preliminary

DS21034A-page 1

型号

版本

描述

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