BD27400GUL Datasheet, PDF (2/23 Pages) Rohm – Filter-Less Class-D Monaural Speaker Amplifier

BD27400GUL
Pin Configuration(s)
Bottom View
C ^IN-
STBY OUT+
Datasheet
B
VDD
PVDD
PGND
A
IN+
GND OUT-
1
2
3
Pin Description(s)
No.
Name
I/O
A1
IN+
I
A2
GND
P
A3
OUT-
O
B1
VDD
P
B2
PVDD
P
B3
PGND
P
C1
IN-
I
Figure.2 Pin configuration
Function
Positive input terminal
GND terminal
(Connect to PGND terminal)
Negative output terminal
Power supply terminal
(Connect to PVDD terminal)
Power supply terminal
(Connect to VDD terminal)
Power GND terminal
(Connect to GND terminal)
Negative input terminal
C2
STBY
I
Stand by control terminal
C3
OUT+
O
Positive output terminal
※Connect VDD(B1) and PVDD(B2) on PCB board, and use a single power supply.
Block Diagram(s)
STBY
C2
VDD B1 B2 PVDD
Bias
OSC
IN+
OUT-
A1
A3
H-
PWM
Bridge
IN-
OUT+
C1
C3
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TSZ22111 • 15 • 001
GND A2 B3 PGND
Figure.3 Block diagram
2/19
TSZ02201-0C1C0E754430-1-2
23.Apr.2014 Rev.003