Rohm BU7858KN, Technical Note

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No. Pin Name I/O Pin function Power
Equivalent
Circuit
Diagram
15 CA_L -
Low-band Correction Capacitor for Headphone Amplifier
L-ch
AVDD C
16 HP_L O Headphone Amplifier Output L-ch AVDD H
17 AVSS - Analog Ground － －
18 AVDD - Analog Power Supply － －
19 EXTO O 600 Ω Driver Output AVDD H
20 SPO O Line Output for Speaker AVDD H
21 EXTI I External Input AVDD D
22 MEL_L I Melody Input L ch AVDD D
23 MEL_R I Melody Input R ch AVDD D
24 RING I RING Input AVDD E
25 RXI I RXI Input AVDD D
26 PLLC - Capacitor Connection Terminal for PLL Loop Filter DVDD C
27 MCLKO O Master Clock Output DVDD B
28 MCLKI I Master Clock Input DVDD A
Fig.36 Equivalent Circuit Diagrams (BU7858KN)
C
E
B A
F D
G H
100k Ω
(TYP)
200k Ω
(TYP)
PAD PAD PAD
PAD PAD
PAD
PAD
PAD