1521

NTE1521
Integrated Circuit
TV Sound IF Amp & Detector
Features:
D Differential Peak Detector
D Excellent AM Rejection: 50dB (Typ.)
D Wide Supply Voltage Range: (VCC = 8V to 15V)
Absolute Maximum Ratings: (TA = +25°C unless otherwise specified)
Supply Voltage, V4 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15V
Input Voltage, V2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.7Vrms
Power Dissipation (Note 1), PD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 625mW
Operating Temperature Range, Topr . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . −20° to +75°C
Storage Temperature Range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . −55° to +125°C
Note 1. Derate above TA = +25°C in the proportion of 6.25mW/°C
Electrical Characteristics: (TA = +25°C, VCC = 12V unless otherwise specified)
Parameter
Symbol
Test Conditions
Min
Typ
Max
Unit
Supply Voltage Range
VCC
8
−
15
V
Total Current Consumption
ICC
−
−
25
mA
DC Level of Output Signal
V9
−
5
−
V
Recovered Output Voltage
VOD
f = 4.5MHz, fm = 400Hz, Δf = ±25kHz,
VIN = 100mV
0.8
−
1.6
Vrms
VIN(lim)
f = 4.5MHz, fm = 400Hz, Δf = ±25kHz,
at −3dB Point
−
−
500
μVrms
AM Rejection Ratio
AMR
f = 4.5MHz, fm = 400Hz, Δf = ±25kHz,
VIN = 100mV, Amplitude Mod. = 30%
−
50
−
dB
Total Harmonic Distortion
THD
f = 4.5MHz, fm = 400Hz, Δf = ±25kHz,
VIN = 100mV
−
−
2.0
%
Input Impedance (Pin 2)
rip
f = 4.5MHz
−
17
−
kΩ
−
4
−
pF
−
2
−
kΩ
−
3
−
pF
Input Limiting Voltage
VIN = 0
cip
Output Impecdance (Pin 6)
rop
cop
f = 4.5MHz
Pin Connection Diagram
.126 (3.2)
.323
(8.2)
Max
.100 (2.54)
9
Recovered Output
8
De−Emphasis
7
Detector Tank
6
Detector Tank
5
GND
4
VCC
3
Bypass
2
Input
1
N.C.
.906 (23.0) Max
1
9
.020 (0.50)
.800 (20.3)
.099
(2.5)
Min