3541 Datasheet, PDF (1/5 Pages) Unisonic Technologies – CLASS AB STEREO HEADPHONE DRIVER WITH MUTE

UTC 3541


CLASS AB STEREO HEADPHONE DRIVER
WITH MUTE
DESCRIPTION
The UTC 3541 is a class AB stereo headphone
driver with Mute feature.
FEATURES
* Built-in Mute Function
* No Switch ON/OFF pops
* Short-circuit protection
* Low Power Consumption
* Large Output Voltage Swing
* High Signal-to-Noise Ratio
CMOS IC
401
%*1
*Pb-free plating product number: 3541L
PIN DESCRIPTION
PIN NO.
1
2
3
4
5
6
7
8
PIN NAME
OUT 1
Mute
IN 1
VSS
IN 2
BIAS
OUT 2
V_DD
I/O
DESCRIPTION
O
Output pin for Channel A
I
Mute control input, high for normal operation
I
Input pin for Channel A
Power ground
I
Input pin for Channel B
I
Right channel bias input pin
O
Output pin for Channel B
Power supply input
BLOCK DIAGRAM
VDD
OUT 2
BIAS
IN 2
8
7
6
5
B
0dB
MUTE
0dB _A
BIAS
1
OUT 1
2
Mute
3
4
IN 1
VSS
UTC UNISONIC TECHNOLOGIES CO., LTD.
www.unisonic.com.tw
1
QW-R502-035,A