MCP1525 datasheet(1/20 Pages) MICROCHIP

Part #	MCP1525

Description	2.5V and 4.096V Voltage References

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Manufacturer	MICROCHIP [Microchip Technology]

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DS21653B-page 1

MCP1525/41

Features

• Precision Voltage Reference

• Output Voltages: 2.5V and 4.096V

• Initial Accuracy: ±1% (max.)

• Temperature Drift: ±50 ppm/°C (max.)

• Output Current Drive: ±2 mA

• Maximum Input Current: 100 µA @ +25°C (max.)

• Packages: TO-92 and SOT-23-3

• Industrial Temperature Range: -40°C to +85°C

Applications

• Battery-powered Systems

• Handheld Instruments

• Instrumentation and Process Control

• Test Equipment

• Data Acquisition Systems

• Communications Equipment

• Medical Equipment

• Precision Power supplies

• 8-bit, 10-bit, 12-bit A/D Converters (ADCs)

• D/A Converters (DACs)

Typical Application Circuit

Description

The Microchip Technology Inc. MCP1525/41 devices

are 2.5V and 4.096V precision voltage references that

use a combination of an advanced CMOS circuit

design and EPROM trimming to provide an initial

tolerance of ±1% (max.) and temperature stability of

±50 ppm/°C (max.). In addition to a low quiescent

current of 100 µA (max.) at 25°C, these devices offer a

clear advantage over the traditional Zener techniques

in terms of stability across time and temperature. The

output voltage is 2.5V for the MCP1525 and 4.096V for

the MCP1541. These devices are offered in SOT-23-3

and TO-92 packages, and are specified over the

industrial temperature range of -40°C to +85°C.

Temperature Drift

Package Types

Basic Configuration

VSS

VOUT

VIN

VREF

VDD

MCP1525

MCP1541

CL

1 µF to 10 µF

CIN

0.1 µF

(optional)

2.475

2.480

2.485

2.490

2.495

2.500

2.505

2.510

2.515

2.520

2.525

-50

-25

0

25

50

75

100

Ambient Temperature (°C)

4.040

4.050

4.060

4.070

4.080

4.090

4.100

4.110

4.120

4.130

4.140

MCP1525

MCP1541

VSS

VOUT

VIN

VSS

VIN

VOUT

MCP1525

MCP1541

TO-92

MCP1525

MCP1541

SOT-23-3

3

1

2

3

1 2

2.5V and 4.096V Voltage References

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