BA4908 View Datasheet(PDF) - ROHM Semiconductor
Part Name
Description
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BA4908 Datasheet PDF : 3 Pages
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Electrical characteristics (Unless otherwise noted: Ta=25˚C, Vcc=13.2V)
Parameter
Symbol Min.
Typ. Max.
Unit
Circuit current at standby
IST
-
0.55 0.80
mA
Conditions
STAN BY pin = 0V
Output voltage(VDD)1
Minimum I/O voltage difference
Output current capacity
VO1
∆VO13
IO1
5.30
-
100
5.60
0.3
200
5.90
0.7
-
V IO1=80mA
V
IO1=80mA
mA VO1≥5.3V
Output voltage(COM)2
Minimum I/O voltage difference
Output current capacity
VO2
∆VO23
IO2
8.25
-
150
8.70
0.4
300
9.15
0.7
-
V IO2=120mA
V IO2=120mA
mA VO2≥8.25V
I/O voltage difference(AMP)3 ∆VO31
-
1.0
1.5
Output current capacity
IO3
500
900
-
V IO3=400mA
mA VO3≥11.7V
I/O voltage difference(ANT)4 ∆VO41
-
1.0
1.5
Output current capacity
IO4
500
900
-
V IO4=400mA
mA VO4≥11.7V
Output voltage(TUNER5.6)5
VO5
5.3
5.6
5.9
Minimum I/O voltage difference ∆VO53
-
0.4
0.7
Output current capacity
IO5
150
300
-
V IO5=50mA
V IO5=120mA
mA VO5≥5.3V
Output voltage(TUNER8.7)6
VO6
8.25
Minimum I/O voltage difference ∆VO63
-
Output current capacity
IO6
250
∗ This product is not designed for protection against radioactive rays.
∗ Output current capacity must be set below MINIMUM of the specification.
Block Diagram
8.70
0.4
500
9.15
0.7
-
V IO6=140mA
V IO6=200mA
mA VO6≥8.25V
Regulator
BA4908
1 2 3 4 5 6 7 8 9 10 11 12
N.C. TUNER TUNER STB VDD AMP Vcc ANT COM TUNER TUNER GND
8.7 5.6
5.6V
8.7V 5.6 8.7
ANT SW SW
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