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IC OPAMP GP 1 CIRCUIT SOT23-5
FEATURES
• Gain Bandwidth: 20 MHz
• Low Noise: 8.5 nV/√Hz at 1 kHz
• Slew Rate: 10 V/μs • Low THD+N: 0.0005%
• Rail-to-Rail I/O
• Offset Voltage: 2 mV (max)
• Supply Voltage: 1.8 V to 5.5 V • Supply Current: 1.5 mA/ch
– Shutdown: 0.1 μA/ch
• Unity-Gain Stable
• Small Packages:
– SOT23, DFN, MSOP, TSSOP
APPLICATIONS
• Sensor Signal Conditioning
• Consumer Audio
• Multi-Pole Active Filters
• Control-Loop Amplifiers
• Communications
• Security
• Scanners
DESCRIPTION
The OPA322 series consists of single, dual, and quad-channel CMOS operational amplifiers featuring low noise and rail-to-rail inputs/outputs optimized for low-power, single-supply applications. Specified over a wide supply range of 1.8 V to 5.5 V, the low quiescent current of only 1.5 mA per channel makes these devices well-suited for power-sensitive applications.
The combination of very low noise (8.5 nV/√Hz at 1 kHz), high gain-bandwidth (20 MHz), and fast slew rate (10 V/μs) make the OPA322 family ideal for a wide range of applications, including signal conditioning and sensor amplification requiring high gains. Featuring low THD+N, the OPA322 series is also excellent for consumer audio applications, particularly for single-supply systems. The OPAx322S models include a shutdown mode allowing the amplifiers to be switched from normal operation to a standby current that is typically less than 0.1 μA.
The OPA322 (single version) is available in SOT23-5 and SOT23-6, while the OPA2322 (dual version) is offered in MSOP-8, MSOP-10, SO-8, and DFN-8 packages. The quad versions OPA4322 come in TSSOP-14 and TSSOP-16 packages. All versions are specified for operation from –40°C to +125°C
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