BA1451F
Audio ICs
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!
!
!
Absolute maximum ratings
Parameter
Symbol
Limits
Unit
V
CC
9.0
V
Pd
450
∗
1
mW
Topr
−
25
∼+
75
˚C
Tstg
−
55
∼+
125
˚C
Power supply voltage
Power dissipation
Operating temperature
Storage temperature
∗
1 Reduced by 4.5mW for each increase in Ta of 1
˚C over 25˚C.
!
!
!
!
Recommended operating conditions
(Ta=25
°
C)
Parameter
Symbol
Min.
Typ.
Max.
Unit
3.8
5.0
8.0
V
V
CC
Power supply voltage
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Input and output circuits
FM
AM
1
2.1
2.1
2
5.0
5.0
3
0.25
0
4
0
0
5
5.0
6
−
−
7
−
−
2
23
1
4
V
CC
V
reg
GND
330
Ω
2
3
4
V
CC
GND
15k
Ω
2
4
V
CC
GND
5
5pF
5.0
Pin No.
Function
Internal circuit
Quiescent voltage (V)
FM IF amplifier input
Connect to an FM ceramic filter.
V
CC
FM tuning ON level adjustment
Connect a resistor from this pin to GND
to set the required ON level for
the tuning indicator.
GND
FM discriminator
Connect to the discriminator coil.
Tuning indicator
Connect to a tuning indicator
display device (eg. LED)
Stereo indicator
Connect to a stereo indicator
display device (eg. LED)
6/7
4
GND
