bd5445efv ROHM Co. Ltd., bd5445efv Datasheet - Page 11

• Manufacturer Part Number: bd5445efv
• Description: Analog Input / Single End Output Class-d Speaker Amplifier
• Manufacturer: ROHM Co. Ltd.

●Pin function explanation (Provided pin voltages are typ. values)
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BD5445EFV
www.rohm.com
No.
Pin
10
1
2
3
4
5
6
7
8
9
Pin name
GAIN0
GAIN1
GNDA
ROSC
VCCA
FILA
FILP
PDX
IN1
IN2
Pin voltage
2～4V
2.5V
2.5V
2.5V
Vcc
0V
－
－
Power supply pin for Analog signal
Gain control pin
ch1 Analog signal input pin
ch2 Analog signal input pin
Input audio signal via a capacitor.
Gnd pin for Analog signal
Bias pin for Analog signal
Please connect the capacitor.
Bias pin for PWM signal
Please connect the capacitor.
Internal PWM sampling clock frequency
setting pin
Please connect the resister setting Master
mode.
Please connect the capacitor setting Slave
mode.
Power down control pin
H: Power down OFF
L: Power down ON
11/31
Pin explanation
4/5
8
1
Internal equivalence circuit
6
1
6
16K～40K
Technical Note
2010.05 - Rev.B
40K～64K