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参数资料
| 型号： | FSA2000UMX |
| 厂商： | Fairchild Semiconductor |
| 文件页数： | 4/11页 |
| 文件大小： | 0K |
| 描述： | IC HS-USB/AUDIO SWITCH 16UMLP |
| 标准包装： | 1 |
| 功能： | 音频，USB 开关 |
| 电路： | 1 x 1:1 |
| 电压电源： | 单电源 |
| 电压 - 电源，单路/双路(±)： | 2.7 V ~ 4.3 V |
| 电流 - 电源： | 6µA（USB），3mA（音频） |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 16-UMLP |
| 供应商设备封装： | 16-UMLP（1.8x2.6） |
| 包装： | 标准包装 |
| 其它名称： | FSA2000UMXDKR |
2009 Fairchild Semiconductor Corporation
www.fairchildsemi.com
FSA2000
Rev. 1.0.0
2
FS
A2
0
00
–
Auto
-Se
lecti
ng
HS
-US
B
Swit
ch
with
Cap
-Free
He
ad
phon
e
Au
dio
Ampli
fier
Pin Descriptions
Pin #
Name
Type
Description
1
D+
I/O
USB D+ port from processor or transceiver
2
D-
I/O
USB D- port from processor or transceiver
3
R
Input
Right audio channel input
4
L
Input
Left audio channel input
5
VCC
Audio Supply
Supply voltage for audio amplifiers, charge pump, and audio control; not required for USB path
6
MUTE
Input
Control pin intended to be used temporarily to quiet transients on the audio path upon transition of
/SHDN. Ground if not being used.
7
/SHDN
Input
Shutdown Enable (Requires VCC only)
8
GND
IC ground
9
D-/L
I/O
Common USB/Audio Port; USB D- data to connector or left audio channel output
10
D+/R
I/O
Common USB/Audio Port; USB D+ data to connector or right audio channel output
11
VBUS
Input/Supply
USB input select pin and USB supply
12
V+
Node
Node for filtering internal positive amplifier rail; suggest 1F to GND
13
V-
Input
Negative amplifier rail input; suggest 1F to GND. Requires connection to CPO.
14
CPO
Output
Charge pump output used to drive V-, suggest 2.2 F to GND for filtering.
15
CM
I/O
Charge pump negative flying capacitor pin; connect to CP via storage capacitor, typically 1F.
16
CP
I/O
Charge pump positive flying capacitor pin; connect to CM via storage capacitor ,typically 1F.
Pin Configuration
Figure 2. FSA2000UMX (Top View)
1
5
6
7
8
9
10
11
2
3
12
16
15
14
13
4
V-
V+
+
-
Swit
ch
3M
Audio / Click & Pop Control
CP
CM
CPO
V-
V+
V
BUS
D+/R
D-/L
V
CC
MUTE
/SHDN
GND
D+
D-
R
L
V-
V+
+
-
Charge Pump
& Voltage
Regulator
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