参数资料
型号: AD82550A-CG
厂商: ELITE SEMICONDUCTOR MEMORY TECHNOLOGY INC
元件分类: 音频/视频放大
英文描述: Stereo Digital Audio Amplifier with Headphone Driver
中文描述: 2 CHANNEL, AUDIO AMPLIFIER, PDSO24
封装: 0.209 INCH, LEAD FREE, SSOP-24
文件页数: 2/3页
文件大小: 187K
代理商: AD82550A-CG
ES MT
AD82550A
Elite Semiconductor Memory Technology Inc.
Publication Date
Apr. 2007
Revision
1.1 2/16
Pin Assignment
Pin Description
Note1: May become bi-directional with less than 30
μ
A output current when “
RESET
” pin is low.
Pin
1
Name
AGND
Type
P
Description
Analog ground
Characteristics
2
HPR
O
Headphone right channel output
3
HPL
O
Headphone left channel output
4
HP-SPK
I
Headphone/loudspeaker switch
Schmitt trigger input
with a 380k
Ω
pull-up resistor (Note 1)
5
DGND
P
Digital ground
6
DVDD
P
Digital supply
7
BCLK
I
Bit clock (64Fs) input
Schmitt trigger TTL input buffer
8
SDATA
I
Serial audio data input
Schmitt trigger TTL input buffer
9
LRCIN
I
Left/right sampling clock (Fs) input
Schmitt trigger TTL input buffer
10 PD/MUTE
I
Power-down and mute, low active
Schmitt trigger TTL input buffer
11 VOLUP
I
Volume up, low active
Schmitt trigger TTL input buffer (Note1)
12 VOLDN
I
Volume down, low active
Schmitt trigger TTL input buffer (Note1)
13
ERROR
O
Error output
Open-drain output
14
RESET
GNDR
I
Reset, low active
Schmitt trigger TTL input buffer
15
P Ground for loudspeaker right channel
16
RB
O
Loudspeaker right channel output (-)
17
RA
O Loudspeaker right channel output (+)
18
VDDR
P
Supply for loudspeaker right channel
19
VDDL
P
Supply for loudspeaker left channel
20
LA
O
Loudspeaker left channel output (+)
21
LB
O
Loudspeaker left channel output (-)
22
GNDL
P
Ground for loudspeaker left channel
23
MCLK
I
Master clock (256Fs) input
Schmitt trigger TTL input buffer
24
AVDD
P
Analog supply
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AD82551A 制造商:ESMT 制造商全称:Elite Semiconductor Memory Technology Inc. 功能描述:Stereo Digital Audio Amplifier with Headphone Driver
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