NTE1668
Integrated Circuit
TV SoundIF/Detector
Features:
D
Low Distortion: 0.02%
D
High Sensitivity: 200µV
rms
D
Excellent AMR:
−55dB
Typ.
Absolute Maximum Ratings:
(T
A
= +25°C unless otherwise specified)
Power Supply Voltage, V
CC
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15V
Input Voltage Pin 7 & 8, V
7
, V
8
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3V
p−p
Power Dissipation (T
A
= +75°C), P
D
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 270mW
Operating Ambient Temperature Range, T
opr
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
−20°
to +75°C
Storage Temperatuere Range, T
stg
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
−40°
to +125°C
Electrical Characteristics:
(T
A
= +25°C, T
A
= +25°C, f = 4.5MHz, f
M
= 400Hz, AM MOD = 30%)
Parameter
Total Supply Current
IF Limiting Voltage
Detecter Output Voltage
−1
Detecter Output Voltage
−2
Detecter Output Distortion
−1
Detecter Output Distortion
−2
AM Rejection
Symbol
I
CC
V
i(lim)
V
OAF1
V
OAF2
THD
1
THD
2
AMR
Test Conditions
Zero Carrier
V
OAF
(V
i
= 3
m
V
rms
)
−3dB
point
V
i
= 3
m
V
rms
,
∆f
=
±25kHz
V
i
= 3
m
V
rms
,
∆f
=
±50kHz
V
i
= 3
m
V
rms
,
∆f
=
±25kHz
V
i
= 3
m
V
rms
,
∆f
=
±50kHz
V
i
= 3
m
V
rms
,
∆f
=
±25kHz
Min
8
−
150
320
−
−
−45
Typ
16
180
200
410
0.2
0.6
−55
Max
24
360
−
−
0.5
1.5
−
Unit
mA
µ
V
rms
m
V
rms
m
V
rms
%
%
dB
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