OPA445 Burr-Brown, Texas Instruments, pdf datasheet download

OPA445

High Voltage FET-Input
OPERATIONAL AMPLIFIER

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
POWER AMPLIFIERS
DATA ACQUISITION
SIGNAL CONDITIONING
AUDIO
PIEZO DRIVERS

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 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).

ABSOLUTE MAXIMUM RATINGS(1)
Power Supply . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ±50V
Differential Input Voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ±80V
Input Voltage Range . . . . . . . . . . . . . . . . . . . . . . . . . . . . . |±VS| − 3V
Storage Temperature Range: M . . . . . . . . . . . . . . −65°C to +150°C
P, U, DDA . . . . . . . −55°C to +125°C
Operating Temperature Range . . . . . . . . . . . . . . . −55°C to +125°C
Output Short-Circuit to Ground (TJ < +125°C) . . . . . . Continuous
Junction Temperature: M . . . . . . . . . . . . . . . . . . . . . . . . . . . . +175°C
Junction Temperature: P, U, DDA . . . . . . . . . . . . . . . . . . . . . +150°C
(1) Stresses above these ratings may cause permanent damage.
Exposure to absolute maximum conditions for extended periods
may degrade device reliability. These are stress ratings only, and
functional operation of the device at these or any other conditions
beyond those specified is not supported.


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