Monolithic amplifiers


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Amplifiers

Monolithic amplifiers are available today in great numbers and diversity. But for many applications discrete solutions and hybrid amplifiers in particular are still unbeaten.
This will continue to be so for some time because hybrid amplifiers can integrate different technologies in one package where this is not possible with monolithic circuits.We design and manufacture to customer specification:

  • High Voltage and Power Amplifier up to the kV and kW ranges, switched and linear topologies
  • High Speed and HF-Amplifiers
  • Ultra-Precision and Low-Noise-Amplifier (e.g. TIAs, Charge Amplifiers)
  • Amplifiers for extreme operating conditions

Example:

High Voltage Amplifier Specifications:

  • 1.8kV Operating Voltage
  • >100kHz Bandwith (up to 600kHz)
  • >50V/µs under capacitive load
  • 500W Power Dissipation
  • 2A Peak Output Current
  • Only 20mA quiescent current consumption on the HV-line
  • Speed Dependent Current Limiting, UVLO, Temperature Control
  • Integrates µController with Interface
  

 High Voltage Amplifiers

Type

Voltage

 Current

 Speed

 Features

Datasheet

QA440

200V

1.5A

150V/µs

Low Quiescent Current, High-Z Shutdown, Fixed Gain 

Datasheet

QA451

240V

5.0A

210V/µs

High-Z Shutdown, Overtemp Protection, Low Distortion 

QA451A

240V

4.0A

120V/µs

High-Z Shutdown, Overtemp Protection, Low Quiescent Current 

QA452

240V

5.0A

160V/µs

High-Z Shutdown, Overtemp Protection, FET-Input 

 QA453

300V

3.0A

300V/µs

High-Z Shutdown, Overtemp Protection, High-Speed 

QA455

300V

2.0A

200V/µs

High-Z Shutdown, Overtemp Protection, Low VDROP, stable for capacitive loads 

QA456

300V

2.0A

160V/µs

High-Z Shutdown, Overtemp Protection, Low VDROP, stable for capacitive loads, FET-Input 

 PWM Amplifiers

Type 

Voltage

Current

Phases

Features

Datasheet

WSA4580E

 80V

 45A

1

MIL883 High Power PWM Amplifier for Motor Drive Applications

 Low Noise Amplifiers, Precision, Instrumentation:

Type 

Voltage
Noise
nV/nHz

Current
Noise
pA/nHz

Application

Features

Datasheet

QA605

 1.2

0.7

Sonar

bipolar input for source resistances 0.5 to 2kOhm, 1GHz GBWP, high slew rate, low f1/f 

QA613

1.5

<0.01

Sonar

JFET Ultra Low Noise, Differential Output, AC Coupling

QA710

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Instrument.

precision transimpedance amplifier, 50GOhm