參數資料
型號: U2535B
英文描述: Preamplifier for IR Remote Control
中文描述: 前置放大器的紅外遙控器
文件頁數: 3/6頁
文件大?。?/td> 71K
代理商: U2535B
U2535B
Rev. A2, 15-Oct-98
3 (6)
Electrical Characteristics
T
amb
= 25
°
C, reference point Pin 6, test circuit, unless otherwise specified
Parameters
Test Conditions / Pins
V
S1
= 5 V, I
IN
= 0, Pin 7
V
S
= 12 V, I
IN
=0, Pin 5
V
S
= 12 V, I
IN
= 0, Pin 7
V
S1
= 5 V, V
IN
= 0, Pin 8
V
S1
= 5 V, I
OL
= 0.5 mA
Symbol
I
S1
I
S
V
S1
–I
IN
V
OL
Min.
140
200
4.9
0.8
Typ.
Max.
200
320
5.4
1.2
0.2
Unit
A
A
V
mA
V
Supply currents
Internal stabilization
Maximum input current
Low-level voltage
Pin 4
Leakage current
Input stage, amplifier
Cut-off frequency
V
S1
= 5 V, V
0
= 12 V, Pin 4
I
OH
1
A
f
L
f
H
100
15
kHz
kHz
Gain
v
i
= 2 mV
rms
,
f = 40 kHz
f = 100 kHz
G
v
G
v
47
46
50
49
dB
dB
Detector
Threshold voltage
t
d
200 s, f = 40 kHz,
Pin 2
V
A0
150
mV
rms
Delay time
f = 40 kHz, V
A0
= 1 V
rms
see figure 4
f = 40 kHz, V
A0
= 1 V
rms
see figure 4
t
d
50
90
s
Storage time
t
s
100
150
s
Test Circuit
7
47 k
4
6
Output
+5 V
3
R
1
300 k
C
i
C
3
100 nF
22 nF
1 k
R
2
2
1
8
10 nF
C
2
I
IN
300 k
R
i
V
i
U2535B
95 9959
5
Figure 3. Test circuit
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