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參數(shù)資料
| 型號： | UPC2807 |
| 廠商： | NEC Corp. |
| 英文描述： | PREAMPLIFIER FOR INFRARED REMOTE CONTROLLER |
| 中文描述： | 前置的紅外遙控器 |
| 文件頁數(shù)： | 3/8頁 |
| 文件大?。?/td> | 46K |
| 代理商： | UPC2807 |
Data Sheet S13198EJ1V0DS00
3
μ
PC2807, 2807A
PAD FUNCTION
Symbol
Pad No.
Function
V
CC
6
Power pad. Apply a voltage of 5 V
±
10 %. Connect an external smoothing filter if noise on power line
is high.
GND1
7
GND pad (for output transistor)
GND2
8
GND pad (for circuits excluding output transistor)
IN
9
Input pad. Internal impedance is 190 k
TYP. PIN photodiode can be directly connected.
OUT
5
Output pad. Open-collector output with pull-up resistor (22 k
TYP.) To connect pull-up resistor, use
resistor of 10 k
or higher.
S1
1
S2
2
S3
4
BPF center frequency setting pads.
Connect pad corresponding to carrier frequency to be used to GND
Note
.
PAD1
3
BPF output pad. Parameters such as voltage gain and BPF bandwidth can be tested.
Do not connect this pad to anything on final assembly.
PAD3
10
PAD4
11
PAD5
12
PAD6
13
Test and trimming pads. Do not connect these pads to anything.
Note
Connect each of BPF center frequency setting pads as follows depending on the carrier frequency.
μ
PC2807
Carrier Frequency
S1
S2
S3
32.7 kHz
GND
Leave unconnected.
Leave unconnected.
36.0 kHz
GND
GND
GND
36.7 kHz
Leave unconnected.
GND
GND
37.9 kHz
Leave unconnected.
Leave unconnected.
Leave unconnected.
μ
PC2807A
Carrier Frequency
S1
S2
S3
40.0 kHz
Leave unconnected.
Leave unconnected.
Leave unconnected.
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