Product Summary

The OPA121KU is a precision monolithic dielectrically isolated FET operational amplifier. Outstanding performance characteristics are now available for low-cost applications. Noise, bias current, voltage offset, drift, open-loop gain, common-mode rejection, and power supply rejection are superior to BIFET amplifiers. The applications of the OPA121KU include optoelectronics, data acquisition, test equipment, medical equipment, radiation hard equipment.

Parametrics

OPA121KU absolute maximum ratings: (1)Supply : ±18VDC; (2)Internal Power Dissipation(1):500mW; (3)Differential Input Voltage: ±36VDC; (4)Input Voltage Range:±18VDC; (5)Storage Temperature Range M package: –65℃ to +150℃; (6)P, U packages:–55℃ to +125℃; (7)Operating Temperature Range M package: –40℃ to +85℃; (8)P, U packages: –25℃ to +85℃; (9)Lead Temperature M, P packages (soldering, 10s): +300℃; (10)U package (soldering, 3s): +260℃; (11)Output Short-Circuit Duration(2): Continuous; (12)Junction Temperature: +175℃.

Features

OPA121KU features: (1)low noise: 6nV/√ ̄Hz typ at 10kHz; (2)low bias current: 5pA max; (3)low offset: 2mV max; (4)low drift: 3μV/℃ typ; (5)high open-loop gain: 110dB min; (6)high common-mode rejection: 86dB min.

Diagrams

OPA121KU block diagram

Image Part No Mfg Description Data Sheet Download Pricing
(USD)
Quantity
OPA121KU
OPA121KU

Texas Instruments

Operational Amplifiers - Op Amps Lo Cost Prec Difet Op Amp

Data Sheet

0-1: $7.24
1-10: $6.59
10-25: $6.08
25-50: $5.88
OPA121KU/2K5
OPA121KU/2K5

Texas Instruments

Operational Amplifiers - Op Amps Lo Cost Prec Difet Op Amp

Data Sheet

0-2003: $3.44
2003-2500: $3.44
OPA121KU/2K5G4
OPA121KU/2K5G4

Texas Instruments

Operational Amplifiers - Op Amps Lo Cost Prec Difet Op Amp

Data Sheet

0-2003: $3.44
2003-2500: $3.44
OPA121KUE4
OPA121KUE4

Texas Instruments

Operational Amplifiers - Op Amps Lo Cost Prec Difet Op Amp

Data Sheet

0-1: $7.24
1-10: $6.59
10-25: $6.08
25-50: $5.88
OPA121KU/2K5E4
OPA121KU/2K5E4

Texas Instruments

Operational Amplifiers - Op Amps Lo Cost Prec Difet Op Amp

Data Sheet

Negotiable