0.05UV/C max / SINGLE-SUPPLY CMOS OPERATIONAL AMPLIFIERS
OPA3 35
OPA2 335
OPA2
334
OPA23 35
OPA334 OPA2334 OPA335 OPA2335
SBOS245D – JUNE 2002 – REVISED JULY 2003
0.05µV/°C...
Description
OPA3 35
OPA2 335
OPA2
334
OPA23 35
OPA334 OPA2334 OPA335 OPA2335
SBOS245D – JUNE 2002 – REVISED JULY 2003
0.05µV/°C max, SINGLE-SUPPLY CMOS OPERATIONAL AMPLIFIERS Zerø-Drift Series
FEATURES
q q q q q q q LOW OFFSET VOLTAGE: 5µV (max) ZERO DRIFT: 0.05µV/°C (max) QUIESCENT CURRENT: 285µA SINGLE-SUPPLY OPERATION SINGLE AND DUAL VERSIONS SHUTDOWN MicroSIZE PACKAGES
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 highimpedance 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 fo...
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