AA4002 Datasheet, PDF (3/22 Pages) BCD Semiconductor Manufacturing Limited – STEREO 2W AUDIO POWER AMPLIFIER

STEREO 2W AUDIO POWER AMPLIFIER
Pin Description
Data Sheet
AA4002
Pin Number
Pin Name
Function
1, 8, 14, 20, 23
2
3
4
5
6, 16, 27
7
9
10
11
12
13
15
17
18
19
21
22
24
25
26
28
GND
Ground for circuitry.
SHUTDOWN
GAIN SELECT
MODE
MUTE
Shutdown mode control signal input, place entire IC in shutdown mode when held
high, I_DD=0.7µA.
Gain select input pin, logic high will switch the amplifier to external gain mode, and
logic low will switch to internal unity gain.
Mode select input pin, fixed gain when logic L and gain adjustable mode when
logic H.
Mute control input pin, active H.
V_DD
DC VOL
Supply voltage input pin.
Volume control function input pin.
RIGHT DOCK Right docking output pin.
RIGHT IN Right channel audio input pin.
BEEP IN
Beep signal input pin.
LEFT IN
Left channel audio input pin.
LEFT DOCK Left docking output pin.
LEFT OUT+ Left channel positive output pin.
LEFT OUT- Left channel negative output pin.
LEFT GAIN 2 Connect pin 2 of the external gain setting resistor for left channel.
LEFT GAIN 1 Connect pin 1 of the external gain setting resistor for left channel.
HP SENSE Headphone sense control pin.
BYPASS
Bypass pin.
RIGHT GAIN 1 Connect pin 1 of the external gain setting resistor for right channel.
RIGHT GAIN 2 Connect pin 2 of the external gain setting resistor for right channel.
RIGHT OUT- Right channel negative output pin.
RIGHT OUT+ Right channel positive output pin.
Sep. 2006 Rev. 1. 1
BCD Semiconductor Manufacturing Limited
3