The OPA455 is a 150V, wide bandwidth 6.5MHz, high slew rate 32V/μs unity gain stable operational amplifier

The OPA455 is a high-voltage (150-V), high-current drive (45-mA), ADS5273IPFP unity-gain stable operational amplifier with a gain-bandwidth product of 6.5 MHz and a slew rate of 32 V/us. Due to the wide output range of the amplifier, the device is an excellent choice for high voltage piezo drives, valence photodiode biasing, and high voltage Howland current pumps or voltage output stages.

The OPA455 has internal thermal protection and current overload protection. The device is fully specified to operate over a wide supply range of ±6 V to ±75 V or from a single supply of 12 V to 150 V. The status flag is an open-drain output that allows the device to be easily referenced to standard low-voltage logic circuits. This high voltage op amp has excellent accuracy and wide output swing without the phase inversion problems commonly found in similar amplifiers.

The output can be disabled using the enable-disable (E/D) pin. The E/D pins have a common return pin for easy connection to low voltage logic circuits. This disabling is done without disturbing the input signal path, saving not only power but also the load.


●Wide power supply range:

○±6V to ±75V

○12V to 150V

●High output load drive: IO ±45 mA

●Current limiting protection

●thermal protection

●Status flag

●Independent output disabled

●Gain bandwidth: 6.5 MHz

● Slew rate: 32 V/μs

●Wide temperature range: –40°C to +85°C

8-pin HSOIC (SO PowerPAD) package


Number of channels (#): 1

Total Supply Voltage (Min) (+5V=5, +/-5V=10): 12

Total supply voltage (max) (+5V=5, +/-5V=10): 150

Output Current (Typical) (mA): 45

GBW (typ) (MHz): 6.5

Slew rate (typ) (V/us): 32

Vos (offset voltage @ 25 C) (max) (mV): 3.4

Offset Drift (Typical) (uV/C): 4

Iq (Typ) (mA) per channel: 3.2

Features: off

Operating Temperature Range (C): -40 to 85

Input Bias Current (Max) (pA): 100

CMRR (typ) (dB): 120

Rail to Rail: No

Architecture: FET