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BA7787FS View Datasheet(PDF) - ROHM Semiconductor

Part Name
Description
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BA7787FS Datasheet PDF : 24 Pages
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Multimedia ICs
Block diagram
BA7787FS
BA7786FP-Y / BA7787FS
20
19
18
17
16
15
14
13
12
11
HP VCC
SP VCC
VR
VR
1
2
3
4
5
6
7
8
9
10
BA7787FS
Pin No.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
Pin name
EVR CTRL
LINE IN L
MUTE CTRL
LINE IN R
BIAS
SYSTEM BEEP IN
SP IN
PM BEEP IN
HP SUSPEND
SP SUSPEND
SP GND
LINE MIX ON / OFF
SP OUT2
SP OUT1
BEEP LEVEL
SP VCC
HP GND
HP OUT R
HP OUT L
HP VCC
Function
EVR control pin
Line Lch input
Headphone mute control
Line Rch input
Bias
SYSTEM BEEP input
Speaker input
PM BEEP input
Headphone SUSPEND control
Speaker SUSPEND control
Speaker ground
SP IN input ON / OFF control
BTL speaker output (reverse)
BTL speaker output (forward)
SYSTEM BEEP IN output level setting
Speaker Vcc
Headphone ground
Headphone Rch output
Headphone Lch output
Headphone Vcc
Pin voltage
2.5
5.0
2.5
2.5
2.5
2.5
2.5
0.0
5.0
2.5
2.5
4.2
5.0
0.0
2.5
2.5
5.0
Pin type
B (NPN)
B (PNP)
100kPULL UP
B (PNP)
23.5k
B (NPN)
B (NPN)
B (NPN)
B (PNP)
B (PNP)
100kPULL UP
EF (NPN)
EF (NPN)
C (PNP) ~ 3k
EF (NPN)
EF (NPN)
Note) The pin formats are as follows. EF: emitter follower, B: base, C: collector, ~ : series connection.
The above values are all based on the settings (HP VCC = SP VCC = + 5.0V) in Fig. 2, entitled "Measurement circuit diagram,"
and do not guarantee standards.
3
 

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