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:

13.2V

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

10mA

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Voltages Between Pins (Note 1)

4.5V

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

4.5V

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

4.5V

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

4.5V

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

4.5V

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

–25

° to +125°C

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

–65

° to +150°C

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Note 1. All pins except Pin11 are short–circuit protected.

Parameter

Symbol

Test Conditions

Min

Typ

Max

Unit

Supply (Pin8)

Supply Voltage

4.65

5.0

5.35

V

Supoply Current

1.2

2.1

3.0

mA

Controlled High Frequency Amplifier (Pin2 and Pin15)

Minimum Input Signal (Peak–to–Peak)

–

15

25

µV

f = 36kHz, Note 3

–

–

5

µV

AGC Control Ragne (Without Q–Killing)

60

66

–

dB

Input Signal for Correct Operation (Peak–to–Peak)

0.02

–

200

mV

Q–Killing Inactive (Peak–to–Peak)

–

–

140

µV

Q–Killing Active (Peak–to–Peak)

28

–

–

mV

Note 3. For NTE1761, voltage at Pin9 remains LOW. For NTE1762, voltage at Pin9 remains HIGH.