QA456 Datasheet PDF - Quintenz

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QA456
Quintenz

Part Number QA456
Description High Voltage Amplifier
Page 2 Pages


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QA 456
High Voltage Amplifier
Preliminary
Preliminary Datasheet
Features:
High Voltage Amplifier: 300V
JFET Input
Wide-Swing-Output
Stable with Capacitive Load
High Speed: 160V/µs
Low Distortion
Low Quiescent Current
Shutdown w. High Impedance
Output and Reduced Current
Consumption
2nd Isolated Shutdown Control
Overtemperature Protection
Hermetically Sealed and
Isolated Metal Packages
Functional Diagram:
Applications:
Piezo Driver, Sonar Driver,
Measurement & Test Equipment,
Power Supplies etc.
Production to MIL-Standards
available on request. For similar
products see: QA455 (Bipolar-
I t)
Customer specific details/parameters:
- Different hermetically sealed metal
packages available
- Quiescent current
- Internal compensation
- Temperature alarm/shutdown
configuration
- Available with input protection diodes
Absolute Maximum Ratings (Shortform):
TA=25°C unless otherwise noted, TC=case temperature
Max. Operating Voltage VP-VN
Max. Input Common Mode Voltage
Max. Input Differential Voltage
Max. DC Ouput Current (in SOA Limits, 25°C)
WARNING: Amplifier has no built-in current limit!
Max. Cont. Power Dissipation TC=25°C, DC Mode
Max. Power Dissipation Sinewave CW-Mode , TC=25°C,
10kHz<f<100kHz
Max. Pulsed Power Dissipation in Sinewave Burst Mode
TC=25°C, 10kHz<f<250kHz, TBurst<10ms, TBurst/TCycle1/10
Operating Temperature Range
300V
VN Vin-,Vin+ VP
8V
2.5A
50W
80W
120W
-40°C…125°C
1
Quintenz Hybridtechnik www.quintenz.de Fax 0049-89-759 25 45
copyright Quintenz Hybridtechnik 2004



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QA 456
High Voltage Amplifier
Preliminary
Technical Data (Shortform):
TC=25°C, Operating Voltage VB=±120V if not stated otherwise. min/max with respect to
absolute values. Negative signed current means current flowing from the hybrid.
Parameter
Test Conditions
min.
typ.
max.
Power Supply
Operating Voltage
Quiescent Current
VP - VN
40V
25mA1)
-
40mA
300V
120mA
Quiescent Current Shutdown,
7mA
8mA
no overtemp.
Quiescent Current Overtemperature
6.5mA
Shutdown
Inputs
Offset
Vout=0V
2mV
5mV
Comm.mode Range
Input Current
Vin=0V, Vout=0V
VN + 11V
VP - 11V
1nA
IN-,IN+
Input Current
SD - Pin
Input Current
DSD+ to DSD- Pins
VSD=VN
VB=300V
VDSD=5.0V
4.8mA
-650µA
6.5mA
Isolation Voltage
400V
DSD-Pins
BIAS Pin
Ouput
VBIAS=VN
-300µA
Output Current
2A
Output Pulse Current 1ms single pulse
3A
Output Impedance in Vout=0V
TBD
Shutdown Mode
AC Operation
Min. Gain 1)
5
GBWP
G=20
15MHz
Slew Rate
G=20
160V/µs
Permissible Load
G=20
no limit
Capacitance
Shutdown
Switch Off Temp.
(factory set)
105°C
TON
TOFF
1) depends on configuration/compensation
10ms
10ms
Shutdown Control:
Shutdown may be activated either by pulling the SD-pin to the negative supply rail (or
to AGND for symmetrical supply voltages) or by applying 5V to the isolated DSD+
and DSD- pins (internal optocoupler controls shutdown, see schematic).
Capacitive Load:
The amplifier tolerates high capacitive loads. For G=20 (nominal gain), the load
capacitance may even be arbitrarily high. See complete datasheet for performance of
your specific compensation level.
2
Quintenz Hybridtechnik www.quintenz.de Fax 0049-89-759 25 45
copyright Quintenz Hybridtechnik 2004



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