NTE723
Integrated Circuit
FM Sound System
Description:
The NTE723 is a monolithic integrated circuit FM detector/limiter and audio preamplifier that requires
a minimum of external components for operation. It includes three stages of IF limiting and a differen-
tial鈥損eak鈥揹etection circuit.
Features:
D
Simple detector alignment: one coil
D
Sensitivity: 3dB limiting voltage 250碌V typical at 10.7MHz
D
Low harmonic distortion
D
Excellent AM rejection 55dB typ. at 10.7MHz
D
Internal audio preamplifier
Absolute Maximum Ratings:
Power Supply Current (Pin5) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30mA
Supply Voltage (Pin5) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12.5V
Power Dissipation (Note 1), P
D
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 715mW
Operating Temperature Range, T
opr
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 鈥?0擄 to +85擄C
Storage Temperature Range, T
stg
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 鈥?5擄 to +150擄C
Lead Temperature (During Soldering , 10sec), T
L
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +300擄C
Note 1. For operation in ambient temperatures above 25擄C, the device must be derated based on
a 150擄C maximum junction temperature and a thermal resistance of 175擄C/W junction to
ambient.
Electrical Characteristics:
(T
A
= +25擄C unless otherwise specified)
Parameter
Static Characteristics
Supply Current
I
5
V
CC
= 8.5V
V
CC
= 11.2V
V
CC
= 12.5V
Detector Output Level, High
Detector Output Level, Low
Audio Amplifier Output
V
7
V
8
V
12
V
CC
= 11.2
8.5
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
15
17.5
19
6.1
5.4
5.2
鈥?/div>
鈥?/div>
29
鈥?/div>
鈥?/div>
鈥?/div>
mA
mA
mA
V
V
V
Symbol
Test Conditions
Min
Typ
Max Unit
NTE723 產(chǎn)品屬性
NTE
置換半導(dǎo)體
否
1
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