BA7786FP-YE2 Rohm Semiconductor, BA7786FP-YE2 Datasheet - Page 17

• Manufacturer Part Number: BA7786FP-YE2
• Description: IC AMP AUDIO STER AB 25HSOP
• Manufacturer: Rohm Semiconductor
• Type: Class ABr

Specifications of BA7786FP-YE2

• Output Type: 2-Channel (Stereo) with Stereo Headphones
• Voltage - Supply: 4.5 V ~ 5.5 V
• Features: Depop, Mute
• Mounting Type: Surface Mount
• Package / Case: 25-HSOP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Max Output Power X Channels @ Load: -

•
BA7786FP-Y
Multimedia ICs
Part table
VR1
R10
R11
R13
R14
R15
R16
R17
C10
C11
C12
C13
C14
No.
R1
R2
R3
R4
R5
R6
R7
R8
R9
C1
C2
C3
C4
C5
C6
C7
C8
C9
(See section 1, on circuit operation for the formula.)
Used to set the gain from LINE IN L / LINE IN R (pins 2 and 4) to HP OUT
L / HP OUT R (pins 24 and 23)
A wide range of mixing ratios can be set by changing the values of
R1, R2 and R3 (or R4, R5 and R6).
Resistors for mixing SYSTEM BEEP IN (pin 6). Because the threshold voltage
between the high and low levels is fixed inside the IC, these resistors should be
set to 33k
Used to set the output level from SYSTEM BEEP IN (pin 6) to HP OUT
L / HP OUT R (pins 24 and 23). (See section 2, on circuit operation for the formula.)
Used to set the gain from SP IN L / R (pins 21 and 20) to SP OUT L / R (pins 10, 11,
16 and 17). (See section 3, on circuit operation for the formula.)
• The coupling capacitor for LINE IN L
• The coupling capacitor for LINE IN R
• The ripple rejection capacitor for the bias pin
• The coupling capacitor for SYSTEM BEEP IN
• No need to attach
• The coupling capacitor for PM BEEP IN
• The bypass capacitor for SP V
• The bypass capacitor for SP V
• The coupling capacitor for HP OUT R
• The coupling capacitor for HP OUT L
• The bypass capacitor for HP V
• The bypass capacitor for HP V
• The coupling capacitor for SP IN R
• The coupling capacitor for SP IN L
• Used to change the pin 1 DC voltage
• No need to attach. Connect pin 8 to a ground.
• Used to set the gain from PM BEEN IN (pin 9) to SP OUT L / SP OUT R
• The load resistor for HP OUT R.
• The load resistor for HP OUT L.
(pins 10, 11, 16 and 17). (See section 4, on circuit operation for the formula.)
CC
CC
CC
CC
(used for low-frequency ripple rejection)
(used for high-frequency ripple rejection)
(used for low-frequency ripple rejection)
(used for high-frequency ripple rejection)
Use
BA7786FP-Y / BA7787FS
Standard value
390k
100 F
100 F
100
100
0.1 F
0.1 F
0.1 F
0.1 F
0.1 F
0.1 F
0.1 F
0.1 F
27k
27k
27k
27k
27k
27k
33k
33k
33k
18k
15k
15k
20k
47 F
47 F
47 F
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