LSP2961 View Datasheet(PDF) - Agere -> LSI Corporation

Part Name

Description

Manufacturer

LSP2961

Precision Log Ratio Amplifier

Agere -> LSI Corporation 

LSP2961

Precision Log Ratio Amplifier

Description (continued)

Block Diagram

Advance Data Sheet

September 2001

IREF_ADJ (3)

REFERENCE

CURRENT

VCC (5)

IN (1)

VOS_ADJ (8)

VIN–

VIN+

10.2 kΩ

VIN+

VIN–

160 kΩ

OUTPUT (6)

GND (2)

SCALE FACTOR (7)

VEE (4)

Figure 1. LSP2961 Internal Block Diagram

Typical Application Circuit

IREF_ADJ (3)

REFERENCE

CURRENT

VCC

0.1 µF

2352.a(F)

PIN

VOS_ADJ (8)

VIN–

VIN+

10.2 kΩ

VIN+

VIN–

160 kΩ

OUTPUT (6)

GND (2)

1 kΩ (0.42%)

THERMISTOR

SCALE FACTOR (7)

VEE 0.1 µF

16 kΩ

RESISTOR

Figure 2. Typical Application Circuit with External Temperature Compensation

2353.b(F)

2

Agere Systems Inc.

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