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28JS-74E
TDA6109JF (IC1801)
Block Diagram
handbook, full pagewidth
CURRENT
SOURCE
V i(1) ,
1, 2, 3
V i(2) ,
V i(3)
Pinning
PINNING
SYMBOL
PIN
V
1
inverting input 1
i(1)
V
2
inverting input 2
i(2)
V
3
inverting input 3
i(3)
GND
4
ground (fin)
I
5
black current measurement output
om
V
6
supply voltage
DD
V
7
cathode output 3
oc(3)
V
8
cathode output 2
oc(2)
V
9
cathode output 1
oc(1)
MIRROR 1
TDA6109JF
THERMAL
VIP
PROTECTION
CIRCUIT
REFERENCE
MIRROR 3
R i
R a
3×
Fig.1 Block diagram (one amplifier shown).
DESCRIPTION
3×
MIRROR 4
1×
R f
DIFFERENTIAL
STAGE
MIRROR 2
handbook, halfpage
V i(1)
V i(2)
V i(3)
GND
I om
V DD
V oc(3)
V oc(2)
V oc(1)
Fig.2 Pin configuration.
50
V DD
6
MIRROR 5
CASCODE 1
9, 8, 7
1×
5
CASCODE 2
4
MGW028
1
2
3
4
5
TDA6109JF
6
7
8
9
MGW029
V oc(3),
V oc(2),
V oc(1)
I om
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