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參數(shù)資料
| 型號： | PT2256V-S |
| 廠商： | Princeton Technology Corporation |
| 英文描述： | Electronic Volume Controller IC |
| 中文描述： | 電子音量控制IC |
| 文件頁數(shù)： | 3/19頁 |
| 文件大小： | 425K |
| 代理商： | PT2256V-S |
URL:http://www.princeton.com.tw
Fax:886-2-29174598
PIN CONFIGURATION
PT2256V V1.2
- 3 -
August, 2006
Electronic Volume Controller IC
PT2256V
VSS
OUT1
IN1
LT1
AGND
/UP
/DN
OSC
VDD
OUT2
IN2
LT2
AGND
DCO
/INH
/RST
1
2
3
4
5
6
7
8
PT2256V
9
10
11
12
13
14
15
16
PIN DESCRIPTION
Pin Number
VSS
OUT1
IN1
LT1
AGND
I/O
-
O
I
O
-
Description
Pin No.
1
2
3
4
5, 12
Negative Power Supply
Volume Output Pin 1
Volume Input Pin 1
Tap Output Pin 1 for Loudness Function
Analog Ground Pins 1
Volume UP Control Input Pin. The
1 step/1 push volume is controlled by pressing the UP Key. If
the key has been pushed continuously increase. Built-in
Pull-up Resistor.
Volume DOWN Control Input Pin. The
1 step/1 push volume is controlled by pressing the DOWN
Key. If the key is continuously pressed, the volume control will
continuously decrease. Built-in Pull-up Resistor.
Oscillation Pin.
The oscillation circuit of a resistor and capacitor connection.
Oscillator is activated when the key is pressed.
Reset Pin.
This pin sets the initial volume level. The volume level is set to
-46dB by “L” Input. Built-in Pull-up Resistor Low Active
Backup Mode Input Pin
DC Output Pin for Volume Level Meter
Tap Output Pin 2 for Loudness Function
Volume Input Pin 2
Volume Output Pin 2
Positive Power Supply
UP
I
6
DN
I
7
OSC
I/O
8
RST
I
9
/INH
DCO
LT2
IN2
OUT2
VDD
I
O
O
I
O
-
10
11
13
14
15
16
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| PT2256V-SN | Electronic Volume Controller IC |
| PT2256V-SN(L) | Electronic Volume Controller IC |
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| PT2256V-S(L) | 制造商:PTC 制造商全稱:Princeton Technology Corp 功能描述:Electronic Volume Controller IC |
| PT2256V-SL | 制造商:PTC 制造商全稱:Princeton Technology Corp 功能描述:Electronic Volume Controller IC |
| PT2256V-SN | 制造商:PTC 制造商全稱:Princeton Technology Corp 功能描述:Electronic Volume Controller IC |
| PT2256V-SN(L) | 制造商:PTC 制造商全稱:Princeton Technology Corp 功能描述:Electronic Volume Controller IC |
| PT2256V-SNL | 制造商:PTC 制造商全稱:Princeton Technology Corp 功能描述:Electronic Volume Controller IC |
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