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UPC2800AGR Datasheet

  • UPC2800AGR

  • PREAMPLIFIER FOR INFRARED REMOTE CONTROL

  • 12頁

  • NEC   NEC

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上傳產(chǎn)品規(guī)格書

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碌
PC2800A
CHARACTERISTIC CURVE (T
A
= 25
擄
C)
I
CC
vs. V
CC
Characteristics
5
100
R
2
= 130 k鈩?/div>
A
V
vs. f
IN
Characteristics
4
Supply current I
CC
(mA)
80
Voltage gain A
V
(dB)
3
60
2
40
1
20
0
3.5
4
4.5
5
5.5
6
6.5
0
30
40
Input frequency f
IN
(kHz)
50
Supply voltage V
CC
(V)
f
O
vs. R
2
Characteristics
Note 1
85
80
V
CC
= 5.0 V
Note 1.
The relation between f
O
and R
2
(recom-
mended value) is as follows:
f
O
(kHz)
32.7
R
2
(recommended value) (k鈩?
155
139
136
130
123
80
60
Central frequency f
O
(kHz)
70
60
50
40
36.0
36.7
38.0
40.0
56.7
30
25
40
60
80
100
120
140
160
180
70.0
Frequency setting resistor R
2
(k鈩?
A
V
vs. R
1
Characteristics
Note 2
80
Note 2.
This is the value of a resistor that is externally con-
nected as follows:
5V
130 k鈩?/div>
+
47
碌
F
3
Voltage gain A
v
(dB)
f = 38 kHz
V
IN
= 30
碌
V
p-p
75
1
4
+ 8
0.47
碌
F
51
鈩?/div>
7
R
1
碌
PC2800A
5
6
V
O
70
0
Voltage gain = V
O
V
IN
0.5
External resistor of pin 7 R
1
(k鈩?
1.0
0.01
碌
F
1 M鈩?/div>
7

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