OPA2335AIDR Audio Power Amplifier IC Op Amps 1.8V 17uA 2uV microPOWER CMOS
digital audio amplifier ic
,audio preamplifier ic
OPA2335AIDR Audio Power Amplifier IC Op Amps 1.8V 17uA 2uV microPOWER CMOS
FEATURES
● LOW OFFSET VOLTAGE: 5μV (max)
● ZERO DRIFT: 0.05μV/°C (max)
● QUIESCENT CURRENT: 285μA
● 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
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 con- nected 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.
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