OPA445AP OPA445AU Audio Power Amplifier IC Op Amps Hi Voltage FET-Input Op Amp
digital audio amplifier ic
,audio preamplifier ic
OPA445AP OPA445AU Audio Power Amplifier IC Op Amps Hi Voltage FET-Input Op Amp
FEATURES
- WIDE-POWER SUPPLY RANGE: ±10V to ±45V
- HIGH SLEW RATE: 15V/μs
- LOW INPUT BIAS CURRENT: 10pA
- STANDARD-PINOUT TO-99, DIP, SO-8 PowerPAD, AND SO-8 SURFACE-MOUNT PACKAGES
APPLICATIONS
- TEST EQUIPMENT
- HIGH-VOLTAGE REGULATORS D POWER AMPLIFIERS
- DATA ACQUISITION
- SIGNAL CONDITIONING
- AUDIO
DESCRIPTION
The OPA445 is a monolithic operational amplifier capable of operation from power supplies up to ±45V and output currents of 15mA. It is useful in a wide variety of applications requiring high output voltage or large common-mode voltage swings.
The OPA445’s high slew rate provides wide power- bandwidth response, which is often required for high-voltage applications. FET input circuitry allows the use of high-impedance feedback networks, thus minimiz- ing their output loading effects. Laser trimming of the input circuitry yields low input offset voltage and drift.
The OPA445 is available in standard pinout TO-99, DIP-8, and SO-8 surface-mount packages as well as an SO-8 PowerPAD package for reducing junction temperature. It is fully specified from −25°C to +85°C and operates from −55°C to +125°C. A SPICE macromodel is available for design analysis (from www.ti.com).
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