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NE649 |
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| Part Number | NE649 |
| Manufacturer | Signetics |
| Description | The NE649 is an audio noise reduction circuit designed for use in low voltage entertainment systems. The circuit is used to reduce the level of background noise introduced during the recording and pla... |
| Features |
d soldering temperature 10sec max
RATING
16 -40 to +85 -65 to + 150
+300
UNIT V
°C °C °C
BLOCK DIAGRAM
16
October 7, 1987
INPUT AMP
185
853-1193 90826
Low Voltage Dolby · Noise Reduction Circuit Product Specification NE649 DC ELECTRICAL CHARACTERISTICS Vee = 9V, f = 20Hz to 20kHz. All levels referenced to 580mVRMS (OdB) at Pin 3, TA = + 25°C, unless otherwise specified. SYMBOL PARAMETER Vcc Supply voltage range3 Minimum voltage supply for 8dB headroom 10dB headroom Icc Supply Current Icc Supply Current1 Av Voltage gain (Pins 5 - 3) TEST CONDITIONS f = 1.4kHz THO < 1% f = 1... |
| Document |
 NE649 Data Sheet
PDF 141.95KB |
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