參數(shù)資料
型號(hào)： AA4002
廠商： BCD Semiconductor Manufacturing Limited
英文描述： STEREO 2W AUDIO POWER AMPLIFIER
中文描述： 2W的立體聲音頻功率放大器
文件頁(yè)數(shù)： 3/22頁(yè)
文件大小： 439K
代理商： AA4002
STEREO 2W AUDIO POWER AMPLIFIER
AA4002
Data Sheet
3
Sep. 2006 Rev. 1. 1
BCD Semiconductor Manufacturing Limited
Pin Description
Pin Number
Pin Name
Function
1, 8, 14, 20, 23
GND
Ground for circuitry.
2
SHUTDOWN
Shutdown mode control signal input, place entire IC in shutdown mode when held
high, I
DD
=0.7
μ
A.
3
GAIN SELECT
Gain select input pin, logic high will switch the amplifier to external gain mode, and
logic low will switch to internal unity gain.
4
MODE
Mode select input pin, fixed gain when logic L and gain adjustable mode when
logic H.
5
MUTE
Mute control input pin, active H.
6, 16, 27
V
DD
Supply voltage input pin.
7
DC VOL
Volume control function input pin.
9
RIGHT DOCK
Right docking output pin.
10
RIGHT IN
Right channel audio input pin.
11
BEEP IN
Beep signal input pin.
12
LEFT IN
Left channel audio input pin.
13
LEFT DOCK
Left docking output pin.
15
LEFT OUT+
Left channel positive output pin.
17
LEFT OUT-
Left channel negative output pin.
18
LEFT GAIN 2
Connect pin 2 of the external gain setting resistor for left channel.
19
LEFT GAIN 1
Connect pin 1 of the external gain setting resistor for left channel.
21
HP SENSE
Headphone sense control pin.
22
BYPASS
Bypass pin.
24
RIGHT GAIN 1
Connect pin 1 of the external gain setting resistor for right channel.
25
RIGHT GAIN 2
Connect pin 2 of the external gain setting resistor for right channel.
26
RIGHT OUT-
Right channel negative output pin.
28
RIGHT OUT+
Right channel positive output pin.
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