NTE15023 PDF даташит
Спецификация NTE15023 изготовлена «NTE» и имеет функцию, называемую «Integrated Circuit dbx TV Noise Reduction Integrated Circuit». |
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Детали детали
Номер произв | NTE15023 |
Описание | Integrated Circuit dbx TV Noise Reduction Integrated Circuit |
Производители | NTE |
логотип |
3 Pages
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NTE15023
Integrated Circuit
dbx TV Noise Reduction Integrated Circuit
Description:
The NTE15023 is an integrated circuit designed for the dbx–TV noise reduction decode circuit for mul-
tichannel TV sound systems. This device contains a voltage controlled amplifier, a variable de–em-
phasis circuit with new configuration and RMS detectors with completely integrated active band pass
filters, and offers the complete dbx–TV noise reduction decoder only with a few external components.
Features:
D Integrated Band Pass Filters using Active Filtering Technique and Thin Film Structure with
High Capacitance
D Variable De–emphasis Circuit with New Circuit Configuration
D Minimum Number of External Components
D Wide Operation Voltage Range: 4.7V to 16V
Absolute Maximum Ratings: (TA = +25°C unless otherwise specified)
Power Supply Voltage, VCC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17V
Allowable Power Dissipation, PD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 715mW
Operating Temperature Range, Topr . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –20° to +75°C
Storage Temperature Range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –55° to +150°C
Recommended Operating Voltage:
Power Supply Voltage, VCC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5V to 15V
Electrical Characteristics: (TA = +25°C, VCC = +9V Reference Level: 0dB = –5dBm (436mVrms)
unless otherwise specified)
Parameter
Symbol
Test Conditions
Min Typ Max Unit
Consumption Current
Decode Characteristics
ICC
Vod–1
Vod–2
Vod–3
Vod–4
Vod–5
Vod–6
Vod–7
Vod–8
Vod–9
No Signal
Vi = –5dB, f = 300Hz
Vi = –15dB, f = 300Hz
Vi = –30dB, f = 300Hz
Vi = 0dB, f = 1kHz
Vi = –10dB, f = 1kHz
Vi = –20dB, f = 1kHz
Vi = 0dB, f = 8kHz
Vi = –10dB, f = 8kHz
Vi = –20dB, f = 8kHz
4.0 5.0 6.3
5.5 7.0 8.5
–14.5 –13.0 –11.5
–44.5 –43.0 –41.5
1.3 3.3 5.3
–19.4 –17.4 –15.4
–39.6 –37.6 –35.6
–4.3 –1.8 0.7
–30.9 –28.4 –25.9
–45.2 –42.7 –40.2
mA
dB
dB
dB
dB
dB
dB
dB
dB
dB
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Electrical Characteristics (Cont’d): (TA = +25°C, VCC = +9V Reference Level: 0dB = –5dBm
(436mVrms) unless otherwise specified)
Parameter
Symbol
Test Conditions
VCA Filter Characteristics
Vemp. Filter Characteristics
Total Harmonic Distortion Ratio
Maximum Output Voltage
Vfp–1
Vfp–2
Vfg–1
Vfg–2
THD
Vom–1
f = 3kHz, Vi = 0dB, refer to 1kHz
f = 8kHz, Vi = 0dB, refer to 1kHz
f = 5kHz, Vi = 0dB, refer to 8kHz
f = 2kHz, Vi = 0dB, refer to 8kHz
f = 1kHz, Vi = –3dB
f = 300Hz, THD = 1.5%
Vom–2 f = 8kHz, THD = 1.5%
Output Noise Level
Von A weight
Timing Current
Itime
Center Potential
VCC/2
Min Typ Max Unit
–5.5 –4.0 –2.5 dB
–13.0 –11.0 –9.0 dB
–9.4 –7.4 –5.4 dB
–32.3 –28.8 –25.3 dB
– 0.1 0.3 %
11.0 12.5 – dB
–2.0 1.0 – dB
– –104 –80 dB
(7.1) 7.5 (7.9) µA
4.3 4.5 4.7 V
Electrical Characteristics: (TA = +25°C, VCC = +9V Reference Level: 0dB = –5dBm (436mVrms)
Note 1 unless otherwise specified)
Parameter
Consumption Current
Decoding Characteristics
300Hz, –5dB
300Hz, –15dB
300Hz, –30dB
1kHz, 0dB
1kHz, –10dB
1kHz, –20dB
8kHz, 0dB
8kHz, –10dB
8kHz, –15dB
VCA Filter Characteristics
3kHz
8kHz
Vemp Filter Characteristics
5kHz
2kHz
Total Harmonic Distortion Ratio
Maximum Output Voltage
300Hz
8kHz
Output Noise Level
Middle Point Potential
Symbol 1
Switch Condition
23456
ICC OFF – – – – b
Vod–1 ON – b b b b
Vod–2 ON – b b b b
Vod–3 ON – b b b b
Vod–4 ON – b b b b
Vod–5 ON – b b b b
Vod–6 ON – b b b b
Vod–7 ON – b b b b
Vod–8 ON – b b b b
Vod–9 ON – b b b b
Vfp–1 ON a a b b b
Vfp–2 ON a a b b b
Vfg–1 ON b a b b b
Vfg–2 ON b a b b b
THD ON – b b b b
Vom–1 ON – b b b b
Vom–2 ON – b b b b
Von OFF – b a a b
VCC/2 OFF – – – – b
7
b
b
b
b
b
b
b
b
b
b
b
b
b
b
b
b
b
b
b
Note 1. It suffices that a or b is inserted into (–).
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Pin Connection Diagram
VE TC 1
Detector Input 2
REF 3
Time 4
VCA TC 5
VCA WGT 6
VCC 2 7
GND 8
16 VE WGT
15 VE Input
14 VE INT
13 VE Output
12 VCA Input
11 VCA FB
10 VCA Output
9 VCC 1
16 9
.260 (6.6) Max
18
.245
(6.22)
Min
.785 (19.9) Max
.100 (2.54)
.700 (17.7)
.300 (7.62)
.200 (5.08)
Max
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