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零件编号 | M61510AFP | ||
描述 | Sound Controller | ||
制造商 | Renesas Technology | ||
LOGO | |||
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M61510AFP
Sound Controller for Quality/Sound Field Control,
with Built-in Surround Sound
REJ03F0013-0100Z
Rev.1.00
Aug.07.2003
Description
The M61510AFP is a digital sound controller IC which is ideal for home audio applications. M61510AFP includes
five-input selector, input volume control, surround sound (effect switchable in three stages), tone control (3 bands),
www.DataSheet4Ul.ocuodmness, and two-channel master volume control, all controllable via serial data. The M61510AFP can be interfaced
with external circuits even when using the internal surround sound. And a common data format (software-compatible)
facilitates M61510AFP substitution.
Features
• Five-input selector
• Input volume control (2 dB steps/3 bits)
• Surround sound IC interface
• Internal surround function (ON/OFF, High/Mid/Low)
• Internal surround function (bass/mid/treble)
• Internal loudness function
• Main volume control (1 dB steps (0 to -80 dB, -∞))
• Microcomputer interface
Recommended Operating Conditions
• Power supply voltage range: VCC = 4.5 to 5.5 V
• Rated power supply voltage: VCC = 5 V
System Block Diagram
Surround
sound IC
IN A1
IN B1
IN C1
IN D1
IN E1
IN A2
IN B2
IN C2
IN D2
IN E2
Input
volume
Input
volume
Main
volume A1
& loudness
Tone control
Main
volume A2
& loudness
Surround sound
Main
volume B1
VOL
OUT1
Main
volume B2
VOL
OUT2
Microcomputer interface
Surround
sound IC
CLOCK DATA
Rev.1.00, Aug.07.2003, page 1 of 22
M61510AFP
(14) First-stage main volume
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First stage
ATT volume CH1
amount
First stage
volume CH2
0dB
-1dB
-2dB
-3dB
-4dB
-5dB
-6dB
-7dB
-8dB
-9dB
-10dB
-11dB
-12dB
-13dB
-14dB
-15dB
-16dB
D0b
D0c
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
D1b
D1c
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
0
D2b
D2c
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
0
D3b
D3c
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
D4b
D4c
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
Rev.1.00, Aug.07.2003, page 8 of 22
M61510AFP
(5) Loudness
This IC incorporates a center-tap loudness circuit.
Volume input
selector A
0dB to -16dB:
1dB steps
Loudness
circuitry
Tone and
surround
block
+VSELB OUT1,2
1 7 , 2 6 pin
VOL IN1,2
1 8 , 2 5 pin
-
Volume input selector B
VOL OUT1,2
1 9 , 2 4 pin
+-
Loudness
SW
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LOUD1,2
11,32pin
The loudness circuitry fo is determined by the
50 kΩ internal resistance and the external
capacitor C, represented by the following equation.
fo = 1/ (2π × 50kΩ × C) Hz
When C = 0.1 µF,
fo = 1/(2π × 50kΩ × 0.1µF) = 32 Hz
0dB to -64dB:1dB steps
<Characteristic curves>
0dB
-10dB
-16dB
-20dB
fo=32 100 1k 10k
Frequency f (Hz)
(6) Equivalent circuit with surround on
Ch2
Ch1
5k 5k
1k
1µ
External
200k
10k
5k
200k
5k
5k
5k 5k
Out2
Out1
Rev.1.00, Aug.07.2003, page 16 of 22
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页数 | 23 页 | ||
下载 | [ M61510AFP.PDF 数据手册 ] |
零件编号 | 描述 | 制造商 |
M61510AFP | Sound Controller | Renesas Technology |
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