MCP3301-I/P Microchip Technology, MCP3301-I/P Datasheet

MCP3301-I/P

Manufacturer Part Number

MCP3301-I/P

Description

13-Bit Differential Input, Low Power A/D Converter with SPI Serial Interface

Manufacturer

Microchip Technology

Datasheet

1.MCP3301-IP.pdf (32 pages)

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Features

• Full Differential Inputs

• ±1 LSB max DNL

• ±1 LSB max INL (MCP3301-B)

• ±2 LSB max INL (MCP3301-C)

• Single supply operation: 2.7V to 5.5V

• 100 ksps sampling rate with 5V supply voltage

• 50 ksps sampling rate with 2.7V supply voltage

• 50 nA typical standby current, 1 µA max

• 450 µA max active current at 5V

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

• 8-pin MSOP, PDIP, and SOIC packages

• MXDEV™ Evaluation kit available

Applications

• Remote Sensors

• Battery Operated Systems

• Transducer Interface

Description

The Microchip Technology Inc. MCP3301 13-bit A/D

converter features full differential inputs and low power

consumption in a small package that is ideal for battery

powered systems and remote data acquisition applica-

tions.

Incorporating a successive approximation architecture

with on-board sample and hold circuitry, this 13-bit A/D

converter is specified to have ±1 LSB Differential Non-

linearity (DNL), and ±1 LSB Integral Nonlinearity (INL)

for B-grade and ±2 LSB for C-grade devices. The

industry-standard SPI™ serial interface enables 13-bit

A/D converter capability to be added to any PICmicro

microcontroller.

The MCP3301 features low current design that permits

operation with typical standby and active currents of

only 50 nA and 300 µA, respectively. The device oper-

ates over a broad voltage range of 2.7V to 5.5V and is

capable of conversion rates of up to 100 ksps. The ref-

erence voltage can be varied from 400 mV to 5V, yield-

ing input-referred resolution between 98 µV and 1.22

mV.

2001 Microchip Technology Inc.

13-Bit Differential Input, Low Power A/D Converter

with SPI™ Serial Interface

The MCP3301 is available in 8-pin PDIP, 150 mil SOIC,

and MSOP packages. The full differential inputs of this

device enable a wide variety of signals to be used in

applications such as remote data acquisition, portable

instrumentation, and battery operated applications.

Package Types

Functional Block Diagram

MSOP, PDIP, SOIC

IN+

IN-

IN(+)

Sample

Circuits

IN(-)

& Hold

MCP3301

REF

CS/SHDN

Control Logic

REF

Comparator

CDAC

CLK

CS/SHDN

OUT

DS21700A-page 1

13-Bit SAR

Shift

OUT

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