NTE1761 (Active High) & NTE1762 (Active Low)
Integrated Circuit
Infrared Remote Control Preamp
Features:
D
High Frequency Amplifier with a Control Range of 66dB
D
Synchronous Demodulator and Reference Amplifier
D
AGC Detector
D
Pulse Shaper
D
Q鈥揊actor Killing of the Input Selectivity, which is Controlled by the AGC Circuit
D
Input Voltage Limiter
Absolute Maximum Ratings:
Supply Voltage (Pin8), V
CC
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13.2V
Output Current Pulse Shaper (Pin11), I
11
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10mA
Voltages Between Pins (Note 1)
Pin2 and Pin15, V
2鈥?5
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4.5V
Pin4 and Pin13, V
4鈥?3
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4.5V
Pin5 and Pin6, V
5鈥?
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4.5V
Pin7 and pin10, V
7鈥?0
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4.5V
Pin9 and Pin11, V
9鈥?1
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4.5V
Operating Ambient Temperature Range, T
A
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 鈥?5擄 to +125擄C
Storage Temperature Range, T
stg
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 鈥?5擄 to +150擄C
Note 1. All pins except Pin11 are short鈥揷ircuit protected.
DC Electrical Characteristics:
(T
A
= +25擄C, V
CC
= V
8
= 5V unless otherwise specified)
Parameter
Supply
(Pin8)
Supply Voltage
Supoply Current
V
CC
I
CC
= I
8
V
2鈥?5(P鈥揚)
f = 36kHz, Note 2
f = 36kHz, Note 3
AGC Control Ragne (Without Q鈥揔illing)
Input Signal for Correct Operation (Peak鈥搕o鈥揚eak)
Q鈥揔illing Inactive (Peak鈥搕o鈥揚eak)
Q鈥揔illing Active (Peak鈥搕o鈥揚eak)
V
2鈥?5(P鈥揚)
Note 3
V
2鈥?5(P鈥揚)
I
3
= I
14
< 0.5碌A(chǔ)
V
2鈥?5(P鈥揚)
I
14
= I
3
= Max
4.65
1.2
5.0
2.1
5.35
3.0
V
mA
碌V
碌V
dB
mV
碌V
mV
Symbol
Test Conditions
Min
Typ
Max
Unit
Controlled High Frequency Amplifier
(Pin2 and Pin15)
Minimum Input Signal (Peak鈥搕o鈥揚eak)
鈥?/div>
鈥?/div>
60
0.02
鈥?/div>
28
15
鈥?/div>
66
鈥?/div>
鈥?/div>
鈥?/div>
25
5
鈥?/div>
200
140
鈥?/div>
Note 2. For NTE1761, voltage at Pin9 is HIGH (鈥揑
9
= 75碌A(chǔ)).
For NTE1762, voltage at Pin9 is LOW (I
9
= 75碌A(chǔ)).
Note 3. For NTE1761, voltage at Pin9 remains LOW. For NTE1762, voltage at Pin9 remains HIGH.
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