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PDF NTE2004 Data sheet ( Hoja de datos )
| Número de pieza | NTE2004 | |
| Descripción | Integrated Circuit Dolby Noise Reduction Circuit | |
| Fabricantes | NTE | |
| Logotipo |  |
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NTE2004
Integrated Circuit
Dolby[ Noise Reduction Circuit
Description:
The NTE2004 is a monolithic audio noise reduction circuit in a 16–Lead DIP type package designed
for use in Dolby B–Type noise reduction systems. This device is used to reduce the level of back-
ground noise introduced during recording and playback of audio signals on magnetic tape and to im-
prove the noise level in FM broadcast reception.
Features:
D Accurate Record Mode Frequency Response
D Excellent Frequency Response Tracking with Temperature and VCC ±0.4dB Typ
D Excellent Back–to–Back Dynamic Response – DC Shift Less Than 20mV Typ
D Improved Stability of all OP Amps
D High Reliability Packaging
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, 60sec max), TL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +300°C
Electrical Characteristics: (TA = +25°C, VCC = 12V, f = 20Hz to 20kHz. All levels referenced to
580mVrms(0dB) unless otherwised specified)
Parameter
Test Conditions
Min Typ Max Unit
Supply Voltage Range
Supply Current
Voltage Gain
(Pin5–3)
VCC = 12V
f = 1kHz, Pin6 and Pin2 Connected
8 – 20
– 16 24
24.5 26.0 27.5
V
mA
dB
(Pin3–7)
Total Harmonic Distortion
2nd Harmonic
3rd Harmonic
f = 1kHz, 0dB at Pin3, Noise Reduction Out –0.5 0 +0.5 dB
f = 20Hz to 10kHz, 0dB
f = 20Hz to 10kHz, +10dB
– 0.05 0.2 %
– 0.2 0.5 %
Signal Handling
Signal–to–Noise Ratio
Record Mode
Playback Mode
VCC = 12V, 1% Distortion at 1kHz
Note 1
+12 +15 – dB
64 72 – dB
74 82 – dB
Note 1. All noise levels are measured CCIR/ARM weighted using a 10K source with respect to
Dolby level.
1 page | ||
| Páginas | Total 2 Páginas | |
| PDF Descargar | [ Datasheet NTE2004.PDF ] | |
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