OPA445 Texas instruments

OPA445

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OPA445

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Описание

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 powerbandwidth response, which is often required for high-voltage applications. FET input circuitry allows the use of high-impedance feedback networks, thus minimizing 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).

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
- POWER AMPLIFIERS
- DATA ACQUISITION
- SIGNAL CONDITIONING
- AUDIO
- PIEZO DRIVERS

PowerPAD is a trademark of Texas Instruments, Inc. All other trademarks are the property of their respective owners.

Number of channels	1
Total supply voltage (+5 V = 5, ±5 V = 10) (min) (V)	20
Total supply voltage (+5 V = 5, ±5 V = 10) (max) (V)	90
Iout (typ) (A)	0.026
GBW (typ) (MHz)	2
Slew rate (typ) (V/µs)	15
Vos (offset voltage at 25°C) (max) (mV)	3
Offset drift (typ) (V/°C)	0.00001
Iq per channel (typ) (mA)	4.2
Rating	Catalog
Operating temperature range (°C)	-55 to 125
Input bias current (max) (pA)	50
CMRR (typ) (dB)	95
Rail-to-rail	No
Architecture	FET