NTE2003 データシートの表示（PDF） - NTE Electronics
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NTE2003 Datasheet PDF : 2 Pages
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NTE2003
Integrated Circuit
Dolby B–Type Noise Reduction Processor
Description:
The NTE2003 is a monolithic integrated circuit in a 16–Lead DIP type package specifically designed
to realized the Dolby B–type noise reduction system.
Features:
D Reduced distortion at high frequencies and high signal levels
D Improved transient stability
D Wide Operating Voltage Range
D Low Supply Current
Absolute Maximum Ratings:
Supply Voltage, VCC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24V
Operating Temperature Range, Topr . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0° to +70°C
Storage Temperature Range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –65° to +150°C
Lead Temperature (During Soldering, 10sec Max), TL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +300°C
Electrical Characteristics: (VCC = 12V, TA = +25°C, NB 0dB refers to 580mVrms Dolby level at
Pin3 unless otherwise specified)
Parameter
Test Conditions
Min Typ Max Unit
Supply Voltage Range
9
–
–
V
Supply Current
12 17 22 mA
Voltage Gain
(Pin5–Pin3)
1kHz Pin6 & Pin2 Connected
24 26 28 dB
(Pin3–Pin7)
1kHz (Noise Reduction Out)
–1
0
1 dB
Distortion
1kHz, 0dB; 10kHz, 10dB
– 0.05 0.1 %
Signal Handling
1kHz 0.3% Distortion
10 14
– dB
Signal–to–Noise Ratio
Encode (CCIR Weighted)
Pin6 & Pin2 Connected, RS = 10kΩ
65 70
– dB
Decode
+75 80
– dB
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