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OPA334AIDBVR

Single 0.05uV/C max, single-supply CMOS operational amplifier with shutdown

Manufacturer:

Texas Instruments, Inc
Mfr.Part #:

OPA334AIDBVR
Datasheet:

OPA334AIDBVR Datasheet (PDF)
Amplifier Type:

Zero-Drift
Number of Circuits:

1
Output Type:

Rail-to-Rail
Slew Rate:

1.6V/µs
EDA/CAD Models:

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OPA334AIDBVR General Description

The OPA334 and OPA335 series of CMOS operational amplifiers use auto-zeroing techniques to simultaneously provide very low offset voltage (5µV max), and near zero drift over time and temperature. These miniature, high-precision, low quiescent current amplifiers offer high input impedance and rail-to-rail output swing. Single or dual supplies as low as +2.7V (±1.35V) and up to +5.5V (±2.75V) may be used. These op amps are optimized for low-voltage, single-supply operation.

The OPA334 family includes a shutdown mode. Under logic control, the amplifiers can be switched from normal operation to a standby current of 2µA. When the Enable pin is connected high, the amplifier is active. Connecting Enable low disables the amplifier, and places the output in a high impedance state.

The OPA334 (single version with shutdown) comes in MicroSIZE SOT23-6. The OPA335 (single version without shutdown) is available in SOT23-5, and SO-8. The OPA2334 (dual version with shutdown) comes in MicroSIZE MSOP-10. The OPA2335 (dual version without shutdown) is offered in the MSOP-8 and SO-8 packages. All versions are specified for operation from 40°C to +125°C.

Key Features

LOW OFFSET VOLTAGE:5 µV (max)
ZERO DRIFT: 0.05 µV/°C (max)
QUIESCENT CURRENT: 285 µA
SINGLE-SUPPLY OPERATION
SINGLE AND DUAL VERSIONS
SHUTDOWN
MicroSIZE PACKAGES
APPLICATIONS
- TRANSDUCER APPLICATIONS
- TEMPERATURE MEASUREMENT
- ELECTRONIC SCALES
- MEDICAL INSTRUMENTATION
- BATTERY-POWERED INSTRUMENTS
- HANDHELD TEST EQUIPMENT

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Specifications

Category	Integrated Circuits (ICs)LinearAmplifiersInstrumentation, OP Amps, Buffer Amps	Series	-
Amplifier Type	Zero-Drift	Number of Circuits	1
Output Type	Rail-to-Rail	Slew Rate	1.6V/µs
Gain Bandwidth Product	2 MHz	Current - Input Bias	70 pA
Voltage - Input Offset	1 µV	Current - Supply	285µA
Current - Output / Channel	50 mA	Voltage - Supply Span (Min)	2.7 V
Voltage - Supply Span (Max)	5.5 V	Operating Temperature	-40°C ~ 125°C
Mounting Type	Surface Mount	Base Product Number	OPA334