High Voltage (100V), High-Current (50mA) Operational Amplifiers, G=1 Stable - OPA454

OPA454 (ACTIVE)

High Voltage (100V), High-Current (50mA) Operational Amplifiers, G=1 Stable

 

Description

The OPA454 device is a low-cost operational amplifier with high voltage (100 V) and relatively high current drive (50 mA). It is unity-gain stable and has a gain-bandwidth product of 2.5 MHz.

The OPA454 is internally protected against overtemperature conditions and current overloads. It is fully specified to perform over a wide power-supply range of ±5 V to ±50 V or on a single supply of 10 V to 100 V. The status flag is an open-drain output that allows it to be easily referenced to standard low-voltage logic circuitry. This high-voltage operational amplifier provides excellent accuracy, wide output swing, and is free from phase inversion problems that are often found in similar amplifiers.

The output can be independently disabled using the Enable or Disable Pin that has its own common return pin to allow easy interface to low-voltage logic circuitry. This disable is accomplished without disturbing the input signal path, not only saving power but also protecting the load.

Featured in a small exposed metal pad package, the OPA454 is easy to heatsink over the extended industrial temperature range, –40°C to +85°C.

Features

  • Wide Power-Supply Range:
    ±5 V (10 V) to ±50 V (100 V)
  • High-Output Load Drive: IO > ±50 mA
  • Wide Output Voltage Swing: 1 V to Rails
  • Independent Output Disable or Shutdown
  • Wide Temperature Range: –40°C to +85°C
  • 8-Pin SO Package

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Parametrics Compare all products in Precision Amplifier

 
Number of Channels (#)
Total Supply Voltage (Min) (+5V=5, +/-5V=10)
Total Supply Voltage (Max) (+5V=5, +/-5V=10)
GBW (Typ) (MHz)
Slew Rate (Typ) (V/us)
Vos (Offset Voltage @ 25C) (Max) (mV)
Iq per channel (Typ) (mA)
Vn at 1kHz (Typ) (nV/rtHz)
CMRR (Typ) (dB)
Rating
Operating Temperature Range (C)
Package Group
Approx. Price (US$)
Offset Drift (Typ) (uV/C)
Package Size (mm2=WxL)
IIB (Max) (pA)
Output Current (Typ) (mA)
Additional Features
Architecture
OPA454
1    
10    
100    
2.5    
13    
4    
3.2    
40    
146    
Catalog    
-55 to 125    
SO PowerPAD    
2.75 | 1ku    
1.6    
8SO PowerPAD: 29 mm2: 6 x 4.9    
100    
120    
Shutdown    
FET    

Featured tools and software

WEBENCH® Designer OPA454

Amplifier Topology
 Non-inverting
 Inverting
Desired Power Supply Voltage
Positive Supply (Vcc):  V
Negative Supply (Vee):  V
Allowed Power Supply(Vcc-Vee) = 10.0 to 120.0 V
Desired Input and Output Requirements
  Min Max
Vin  V  V
Vout  V  V
Minimum Temperature = -40.0 °C
Maximum Temperature = 85.0 °C