CP-850FX Service Manual
Europe R&D
39
4.8 TDA6108JF
The TDA6108JF includes three video output amplifiers in one plastic DIL-Bent-SIL 9-pin medium
power(DBS9MPF) package(SOT111-1), using high voltage DMOS technology, and is intended to
drive the three cathodes of a colour CRT directly. To obtain maximum performance, the amplifier
should be used with black-current control.
Features
Typical bandwidth of 9.0 MHz for an output signal of 60 Vpp
High slew rate of 1850V/μs
No external components required
Very simple application
Single supply voltage of 200V
Internal reference voltage of 2.5 V
Fixed gain of 51.
Black-current stabilisation (BCS) circuit
Thermal protection
Pin description
Pin Symbol Description
1 V
i(1)
inverting input 1
2 V
i(2)
inverting input 2
3 V
i(3)
inverting input 3
4 GND ground (fin)
5 I
om
black current measurement output
6 V
DD
supply voltage
7 V
OC(3)
cathode output 3
8 V
OC(2)
cathode output 2
9 V
OC(1)
cathode output 1
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