LTC2050 Linear Technology, LTC2050 Datasheet

LTC2050

Manufacturer Part Number

LTC2050

Description

Zero-Drift Operational Amplifier in SOT-23

Manufacturer

Linear Technology

Datasheet

1.LTC2050.pdf (4 pages)

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Current page: 1 of 4
Download datasheet (121Kb)

FEATURE

TYPICAL

PPLICATI

SOT-23 Package

Maximum Offset Voltage of 3 V

Maximum Offset Voltage Drift of 30nV/ C

Noise: 1.5 V

Voltage Gain: 140dB (Typ)

PSRR: 130dB (Typ)

CMRR: 130dB (Typ)

Supply Current: 0.8mA (Typ)

Single Supply Operation: 2.7V to 6V

Extended Common Mode Input Range

Output Swings Rail-to-Rail

Overload Recovery Time: 2ms (Typ)

Thermocouple Amplifiers

Electronic Scales

Medical Instrumentation

Strain Gauge Amplifiers

High Resolution Data Acquisition

DC Accurate RC Active Filters

STRAIN

GAUGE

350

P-P

PPLICATI

GAIN

TRIM

(0.1Hz to 10Hz Typ)

Differential Bridge Amplifier

1000pF

Information furnished by Linear Technology Corporation is believed to be accurate and reliable.

However, no responsibility is assumed for its use. Linear Technology Corporation makes no represen-

tation that the interconnection of its circuits as described herein will not infringe on existing patent rights.

0.1 F

18.2k

–

LTC2050

2050 TA01

1000pF

18.2k

= 100

The LTC

in the 5- or 6-lead SOT-23 and SO-8 packages. It operates

from a single 2.7V supply while still supporting 5V appli-

cations. The power consumption is 800 A and the ver-

sions in the 6-lead SOT-23 and SO-8 packages offer power

shutdown (active low).

The LTC2050, despite its miniature size, features uncom-

promising DC performance. The typical input offset volt-

age and offset drift are 0.5 V and 10nV/ C. The almost

zero DC offset and drift are supported with a power supply

rejection ratio (PSRR) and common mode rejection ratio

(CMRR) of more than 130dB.

The input common mode voltage ranges from the negative

supply up to 1V from the positive supply. The LTC2050

also has an enhanced output stage capable of driving

loads as low as 1k to both supply rails. The open-loop

gain, loaded with 1k , is in excess of 140dB. The LTC2050

also features a 1.5 V

bandwidth product.

, LTC and LT are registered trademarks of Linear Technology Corporation.

ESCRIPTIO

2050 is a low drift operational amplifier available

Operational Amplifier

–3

–1

Input Referred Noise 0.1Hz to 10Hz

P-P

= 5V

Final Electrical Specifications

DC to 10Hz noise and a 3MHz gain

TIME (s)

November 1999

Zero-Drift

in SOT-23

LTC2050

LT2050 TA02

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