m62464fp Renesas Electronics Corporation., m62464fp Datasheet - Page 4

• Manufacturer Part Number: m62464fp
• Description: Dolby Pro Logic Surround Decoder With Discrete 5.1ch Analog Input
• Manufacturer: Renesas Electronics Corporation.

M62464BFP
Functional Description
1
2
3
4
5
6
7
8
9
10
11
12
13
14
Absolute Maximum Ratings
Supply voltage
Power dissipation
Operating temperature
Storage temperature
Recommended Operating Condition
Supply voltage
Input voltage (L)
Input voltage (H)
REJ03F0218-0201 Rev.2.01 Mar 31, 2008
Page 4 of 23
Fundamental function for Dolby Pro Logic
surround decoder
5.1ch Analog Input for Dolby Digital
C, SL, SR, SW ch master volume
C, SL, SR, SW ch Trimmer
RAM for digital delay
Circuit for space surround and echo
Pseudo stereo surround
Digital delay time
Feedback volume
Delay effect volume
Bypass switch
Output mute
MCU interface
Current control oscillation circuit
Item
Item
Function
V
V
Pd
Topr
Tstg
V
V
V
V
CC
DD
CC
DD
IL
IH
Symbol
Symbol
Min
4.5
2.2
8
0
−40 to +125
−20 to +75
Ratings
•
•
•
•
•
•
L, R, C, SL, SR, SW ch Analog Input Support
0 to −79 dB/1 dB step, and − ∞
0 to −31 dB/1 dB step
10 K-bit RAM
Digital delay circuit can be used for Space Surround such as a
Disco, Hall or Live, and Karaoke echo.
Pseudo Stereo Surround is available in Space Surround.
Short Delay 15.4, 20.5, 25.6, 29.2, 51.2 ms
Long Delay 123, 184 ms
Delay Signal Feedback Volume −3 to −21 dB/3 dB step, and − ∞
Delay Signal Effect Volume 0 to −18 dB/3 dB step, and − ∞
Bypass the decode circuit
Mute the Lch and Rch output
Controlled by 3-lines serial data from MCU Including the Chip
Address (2 bit)
Including the oscillation circuit without external parts.
10.5
6.5
1.4
Adaptive Matrix
Input Auto–Balance
Noise Sequencer
Center Mode Control
ON/OFF
WIDE/NORMAL/PHANTOM
Modified Dolby B type Noise Reduction
4ch (L, R, C, S), 3ch (L, R, C) Mode Switch
Limits
Typ
—
—
9
5
Unit
°C
°C
Max
W
V
V
V
5.5
0.8
10
DD
Description
(Ta = 25°C, unless otherwise noted)
Unit
V
V
V
V
22, 23, 24 pin
22, 23, 24 pin
Condition
Condition