1045

NTE1045
Integrated Circuit
FM/TV Sound IF Amp, Detector
Absolute Maximum Ratings: (TA = +25°C unless otherwise specified)
Supply Voltage, VCC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13V
Input Voltage, VIN . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3Vp−p
Supply Current, ICC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35mA
Power Dissipation, Pd . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 350mW
Operating Temperature Range, Topr . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . −20° to +75°C
Storage Temperature Range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . −40° to +125°C
Electrical Characteristics: (TA = +25°C, VCC = 10V, unless otherwise specified)
Parameter
Symbol
Supply Current
Test Conditions
Min Typ Max
ICC
Unit
−
18
25
mA
AvIF1
f = 4.5MHz, 50Ω, RL = 1kΩ, Vi = 100µVrms
65
72
−
dB
AvIF2
f = 10.7MHz, 50Ω RL = 1kΩ, Vi = 100µVrms
60
67
−
dB
Input Limit Voltage
Vi(lim)
f = 4.5MHz, 50Ω
−
250
700
µVrms
AM Rejection
AMR
f = 4.5MHz, ∆f = 25kHz, FM100%
fM = 400Hz, AM30%, Vi = 1mVrms
40
50
−
dB
Output Voltage
VOAF
−
320
380
mVrms
Total Harmonic Distortion
THD
f = 4.5MHz, ∆f = 25kHz,
fM = 400Hz,
400H Vi = 1
1mV
Vrms
−
0.8
1.5
%
Voltage Gain
Pin Connection Diagram
(Front View)
AF Amp Input
1
14
GND
AF Amp Output
2
13
FM Ratio Detector
Voltage Stabilizer
3
12
FM Ratio Detector
Voltage Stabilizer
4
11
N.C.
IF Input
5
10
N.C.
IF Input
6
9
IF Output
GND
7
8
Bypass
14
8
1
7
.785 (19.95)
Max
.300
(7.62)
.200 (5.08)
Max
.100 (2.45)
.600 (15.24)
.099 (2.5) Min