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参数资料
| 型号： | NTE1801 |
| 厂商： | NTE Electronics, Inc. |
| 英文描述： | Integrated Circuit TV dbx Noise Reduction System |
| 中文描述： | 集成电路电视dbx的降噪系统 |
| 文件页数： | 2/3页 |
| 文件大小： | 22K |
| 代理商： | NTE1801 |
Operating Characteristics:
(T
A
= +25
°
C, V
CC
= 12V, 0dB = 100mV
rms
unless otherwise specified)
Parameter
Symbol
Test Conditions
Notes
Min
Typ
Max
Unit
Circuit Current
I
CC
V
O1
V
O2
V
O3
V
O4
V
O5
V
O6
V
O7
V
OM
No Signal
–
8.0
12.5
17.0
mA
Output Voltage
f = 300Hz, V
IN
= +10dB
f = 300Hz, V
IN
= 0dB
f = 300Hz, V
IN
=
–
20dB
f = 8kHz, V
IN
= +17dB
f = 8kHz, V
IN
= +7dB
f = 8kHz, V
IN
=
–
3dB
f = 1kHz, V
IN
= 215mV
f = 1kHz, THD = 1%,
(400 to 300kHz using BPF)
(L
–
R)
+17
+20
+23
dB
(L
–
R)
–
3
0
+3
dB
(L
–
R)
–
43
–
40
–
37
dB
(L
–
R)
+12.1 +15.1 +18.1
dB
(L
–
R)
–
14.6
–
11.6
–
8.6
dB
(L
–
R)
–
43.6
–
40.6
–
37.6
dB
(L+R)
–
0.5
0
+0.5
dB
Maximum Output Voltage
(L
–
R)
4.0
8.6
–
V
P
–
P
Total Harmonic Distortion
THD1
V
O
= 0dB, f = 1kHz,
(400 to 300kHz using BPF)
(L
–
R)
–
0.1
0.5
%
THD2
V
O
= 215mV, f = 1kHz,
(400 to 300kHz using BPF)
(L+R)
–
0.1
0.3
%
Output Noise Voltage
NL1
R
g
= 0, 400 to 30kHz using BPF
(L
–
R)
–
–
96
–
90
dBV
NL2
(L+R)
–
–
90
–
70
dBV
Reference Voltage
V
ref
V
CC
= 12V
–
5.8
6.0
6.2
V
Caution:
Static Electricity can impair the performance of this device.
V
CC
Pin Connection Diagram
Buffer Output
Capacitor
GND
Input (Amp 3)
Output (Amp 3)
Buffer Input
Preamp Output
Resistor Adjust
VCA1 Input
Buffer Input
VCA1 Adjust
N.C.
Capacitor
Non
–
Invert Input (Amp 5)
N.C.
1
2
3
4
Non
–
Invert Input (Amp 1)
Invert Input (Amp 1)
5
6
Buffer Output
7
RMS Detector 1 Input
8
28
27
26
25
Reference Voltage
24
23
22
21
9
RMS Detector 2 Input
20
VCA2 Input
10
Capacitor
11
19
18
Input (Amp 4)
L
–
R/SAP Output
12
13
17
16
Invert Input (Amp 5)
14
15
L+R Output
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