NTE1761 Datasheet, PDF (1/3 Pages) NTE Electronics – Integrated Circuit Infrared Remote Control Preamp

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–Factor 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), I₁₁ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10mA
Voltages Between Pins (Note 1)
Pin2 and Pin15, V_2–15 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4.5V
Pin4 and Pin13, V_4–13 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4.5V
Pin5 and Pin6, V_5–6 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4.5V
Pin7 and pin10, V_7–10 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4.5V
Pin9 and Pin11, V_9–11 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4.5V
Operating Ambient Temperature Range, T_A . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –25° to +125°C
Storage Temperature Range, T_stg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –65° to +150°C
Note 1. All pins except Pin11 are short–circuit protected.
DC Electrical Characteristics: (T_A = +25°C, V_CC = V₈ = 5V unless otherwise specified)
Parameter
Symbol
Test Conditions
Min Typ Max Unit
Supply (Pin8)
Supply Voltage
V_CC
Supoply Current
I_CC = I₈
Controlled High Frequency Amplifier (Pin2 and Pin15)
4.65 5.0 5.35 V
1.2 2.1 3.0 mA
Minimum Input Signal (Peak–to–Peak)
V_{2–15(P–P)} f = 36kHz, Note 2
f = 36kHz, Note 3
– 15 25 µV
–
–
5 µV
AGC Control Ragne (Without Q–Killing)
60 66 – dB
Input Signal for Correct Operation (Peak–to–Peak)
Q–Killing Inactive (Peak–to–Peak)
V_{2–15(P–P)} Note 3
V_{2–15(P–P)} I₃ = I₁₄ < 0.5µA
0.02 – 200 mV
–
– 140 µV
Q–Killing Active (Peak–to–Peak)
V_{2–15(P–P)} I₁₄ = I₃ = Max
28 –
– mV
Note 2. For NTE1761, voltage at Pin9 is HIGH (–I₉ = 75µA).
For NTE1762, voltage at Pin9 is LOW (I₉ = 75µA).
Note 3. For NTE1761, voltage at Pin9 remains LOW. For NTE1762, voltage at Pin9 remains HIGH.