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参数资料
| 型号： | NTE712 |
| 厂商： | NTE Electronics, Inc. |
| 英文描述： | Integrated Circuit TV/FM Sound IF Detector |
| 中文描述： | 集成电路电视/调频中频声音探测器 |
| 文件页数： | 1/3页 |
| 文件大小： | 25K |
| 代理商： | NTE712 |
NTE712
Integrated Circuit
TV/FM Sound IF Detector
Description:
The NTE712 is a versitile device in a 14–Lead DIP type package incorporating IF limiting, detection,
electronic attenuation, audio amplifier, and audio driver capabilities.
Features:
Differential Peak Detector Requiring a Single Tuned Circuit
Electronic Attenuator Replaces Conventional AC Volume Control: Range > 60dB
Excellent AM Rejection @ 4.5 and 5.5MHz
High Stability
Low Harmonic Distortion
Audio Drive Capability: 6.0mA
P–P
Minimum Undesirable Output Signal @ Maximum Attenuation
Absolute Maximum Ratings:
(T
A
= +25
°
C unless otherwise specified)
Input Signal Voltage (Pin1 and Pin2)
Power Supply Current
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Power Dissipation, P
D
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Derate Above 25
°
C
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Operating Ambient Temperature Range, T
opr
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Storage Temperature Range, T
stg
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
±
3V
50mA
625mW
5mW/
°
C
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
–20
°
to +75
°
C
–65
°
to +150
°
C
Electrical Characteristics:
(V+ = 24V, T
A
= +25C unless otherwise specified)
Parameter
Pin
Regulated Voltage
5
DC Supply Current
5
Quiescent Output Voltage
12
Test Conditions
Min
10.3
10
5.1
Typ
11.0
16
–
Max
12.2
24
–
Unit
V
mA
V
V+ = 9V, R
S
= 0
Dynamic Characteristics:
(V+ = 24V, T
A
= +25
°
C unless otherwise specified)
Parameter
IF Amplifier and Detector
(f
o
= 4.5MHz,
f =
±
25kHz)
AM Rejection
V
in
= 10mV
rms
, Note 1
Input Limiting Threshold Voltage
Test Conditions
Min
Typ
Max
Unit
40
51
–
dB
–
200
400
μ
V
rms
V
rms
%
Recovered Audio Output Voltage
V
in
= 10mV
rms
V
in
= 10mV
rms
0.5
0.7
–
Output Distortion
–
0.4
2.0
Note 1. 100% FM, 30% AM Modulation.
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