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参数资料
| 型号： | NTE789 |
| 厂商： | NTE Electronics, Inc. |
| 英文描述： | Integrated Circuit Stereo Multiplex Decoder |
| 中文描述： | 集成电路多路立体声解码器 |
| 文件页数： | 2/3页 |
| 文件大小： | 32K |
| 代理商： | NTE789 |
Absolute Maximum Ratings:
(T
A
= +25
°
C unless otherwise specified)
DC Supply Voltage
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Current at Pin12
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Input Signal Voltage (Composite)(Note 1)
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Operating Ambient Temperature Range
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Storage Ambient Temperature Range
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Lead Temperature (During Soldering, 1/32
”
(0.79mm) from case,10s max.)
Note 1. For stereo operation, a minimum input signal voltage (composite) of 40mV is required.
Electrical Characteristics:
(T
A
= +25
°
C, V+ = 12 unless otherwise specified)
Parameter
Symbol
Static Characteristics
16V
100mA
400mV
–
40 to +85
°
C
–
65 to +150
°
C
+265
°
C
. . . . . . . . . . . . . . . . . . . . .
Test Conditions
Min
Typ
Max
Unit
Total Current (Pin9, Pin10,Pin11)
I
total
Lamp OFF
–
22
27
mA
DC Voltage
Pin1
Pin6 (Indicator Lamp OFF)
V
1
V
6
1.6
2.3
3.1
V
–
2.1
3.6
V
Pin9 and Pin10
V
9
, V
10
V
12
V
2
–
V
1
3.7
5.4
7.4
V
Pin12 (Indicator Lamp OFF)
V+ = 16V
12.7
–
–
V
Voltage Differential (Pin2
–
Pin1)
–
0
0.1
V
Current at Pin12
(In actual use external circuit
resistance (e.g. lamp should limit
Pin12 to the maximum rated value
of 100mA)
Static Characteristics
V
IN
(at f = 19kHz) = 18mV
75
100
–
mA
Input Impedance
Z
in
–
50k
–
dB
Channel Separatiom (L + R Reference)
V
IN
= 180mV, Note 3
V
IN
= 180mV
V
IN
= 180mV
V
IN
= 180mV, Note 3
19kHz pilot
–
tone at Pin1
25
40
–
Channel Balance (Monaural)
–
0.3
3.0
dB
Monaural Gain
3
6
9
dB
Stereo/Monaural Gain Ratio
–
±
0.3
4
±
10
±
3.0
–
dB
Indicator Lamp
–
Turn
–
ON Voltage
–
mV
Capture Range
(Deviation from 76kHz center
frequency)
Distortion (75
μ
s De
–
emphasis)
2
nd
Harmonic
3
rd
, 4
th
, and 5
th
Harmonic
19kHz pilot
–
tone voltage = 18mV
±
6.6
–
%
V
IN
= 240mV
–
0.2
–
%
–
< 0.1
–
%
19kHz Rejection
–
35
–
dB
38kHz Rejection
–
25
–
dB
SCA (Storecast) Rejection
–
55
–
dB
Stereo Defeat Voltage (V
4
)
Stereo Enable Voltage (V
4
)
–
–
< 0.9
V
> 1.6
–
–
V
Note 2. For improved pilot sensitivity and overload characteristics, replace the .039
μ
F capacitor between Pin7
and Pin8 with a Series L
–
C Network (L = 4.7mH, C = 0.015
μ
F). Under these conditions, Indicator
Lamp Sensitivity:
“
ON
”
= 3.3mV,
“
OFF
”
= 2.0mV.
Note 3. For stereo operation, test conditions require a composite stereo input signal (modulated at 1kHz) in-
cluding a 19kHz (18mV) pilot
–
tone signal.
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