AN7354 - Panasonic Semiconductor

AN7354 Dolby B/C-type Noise Reduction

expresses that MODE is REC. and NR is OFF. The same for the following. Note 2) Obtain the input voltage of REC. – IN when the output voltage of REC. – OUT becomes 388mVrms. For this input voltage, the reference level in REC. is assumed 0dB. Note 3) Obtain the input voltage of PB. – IN when the output voltage of REC. – OUT becomes 388mVrms. For this input vo.

Features

• Built-in spectral Delay Mute Rect Bias LOGIC Rect Delay Mute 1 + 1µF 2 22kΩ 3 + 1µF 4 5 6 7 2.4kΩ 8 9 10 11 + 12 0.1µF 13 + 1µF 14 MPX PB IN 1500pF 5.6kΩ NR C/B ON/ -type OFF Mute ON/OFF VEE REC. IN + 2.2µF 0.35±0.1 100kΩ AN7354SC s Absolute Maximum Ratings (Ta=25˚C) Parameter Supply Voltage Supply Current (Ta=75˚C) Power Dissipation (Ta=75˚C) Operating Ambient Temperature Storage Temperature Symbol VCC ICC (+) ICC (
  –) PD Topr Tstg ICs for Cassette, Cassette Deck Rating ±6.7 +22
  –22 295
  –20 ~ + 75
  –55 ~ + 125 Unit V mA mW ˚C ˚C s Recommended Operating Range (Ta=2.