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Электронный компонент: AK4631

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ASAHI KASEI
[AK4631]
MS0317-J-01
2004/11
- 1 -

AK4631
16bit
CODEC
ALC(Automatic Level Control)
DSC
28pin
QFN
1. 16-Bit Delta-Sigma Mono CODEC
2.
1ch Mono Input
(0dB, 20dB, 26dB or 32dB)
ALC
IPGA
(-8dB
+27.5dB, 0.5dB Step)
ADC
: S/(N+D) : 80dB, DR, S/N : 85dB
3.
Digital Volume
(+12dB
-115dB, 0.5dB Step, Mute)
Mono Line Output: S/(N+D) : 85dB, S/N : 93dB
Mono Speaker-Amp
- SPK-AMP
: S/(N+D) : 50dB, S/N : 90dB (240mW@ 8
,
)
- BTL
-
-
ALC(Automatic
Level
Control)
-
: 250mW @ 8
&SVDD=3.3V
3.0Vrms@SVDD=5V
Beep
4.
5. PLL Mode:
: 11.2896MHz, 12MHz, 12.288MHz, 13.5MHz, 24MHz, 27MHz (MCKI pin)
1fs (FCK pin)
16fs, 32fs or 64fs (BICK pin)
6. EXT Mode:
: 256fs, 512fs or 1024fs (MCKI pin)
7. Sampling Rate:
PLL Slave Mode (FCK pin) : 7.35kHz
~
26kHz
PLL Slave Mode (BICK pin) : 7.35kHz
~
48kHz
PLL Slave Mode (MCKI pin):
8kHz, 11.025kHz, 12kHz, 16kHz, 22.05kHz, 24kHz, 32kHz, 44.1kHz, 48kHz
PLL Master Mode:
8kHz, 11.025kHz, 12kHz, 16kHz, 22.05kHz, 24kHz, 32kHz, 44.1kHz, 48kHz
EXT Slave Mode:
7.35kHz
~
48kHz (256fs), 7.35kHz
~
26kHz (512fs), 7.35kHz
~
13kHz (1024fs)
8. Output Master Clock Frequency: 256fs
9.
P
: 3
10.
/
16-Bit
Mono CODEC with ALC & MIC/SPK-AMP
AK4631
ASAHI KASEI
[AK4631]
MS0317-J-01
2004/11
- 2 -
11. Audio Interface Format: MSB First, 2's compliment
ADC: DSP Mode, 16bit
, I
2
S
DAC: DSP Mode, 16bit
,
, I
2
S
12. Ta = -10
70
C
13.
CODEC: 2.6
3.6V (typ. 3.3V)
Speaker-Amp : 2.6
5.25V (typ. 3.3V/5.0V)
14.
: 16 mA
15. Package: 28pin QFN
16. AK4536/AK4630
PMMIC
AVDD
AVSS
MICOUT
AIN
Interface
Audio
MIC-AMP
0dB or 20dB
or 26dB or 32dB
MIC
MPI
MIC Power
Supply
HPF
ADC
ALC1
(IPGA)
PMADC
FCK
BICK
SDTO
SDTI
PDN
DSP
and
uP
CSN
CCLK
CDTI
SVDD
SVSS
PMDAC
DVOL
DAC
DVDD
DVSS
VCOM
ALC2
MIN
MOUT
PMSPK
SPK-
AMP
SPP
SPN
ALC1M
BEEP
MIX
PMBP
AOUT
MCKI
MCKO
VCOC
PLL
PMPLL
PMAO
DACA
ALC1A
DACM
BEEPA
Control
Register
Figure 1. AK4631 Block Diagram

ASAHI KASEI
[AK4631]
MS0317-J-01
2004/11
- 3 -

AK4631VN
-10 +70C
28pin
QFN
(0.5mm
pitch)
AKD4631
AK4631

Top View
8
7
6
5
4
3
2
1
28
27
26
25
24
23
22
9
10
11
12
13
14
16
17
18
19
20
21
AVDD
VCOC
CCLK
MICOUT
MPI
MIC
BEEP
AOUT
MOUT
MIN
MCKI
MCKO
SPP
SPN
SVDD
SVSS
SDTO
FCK
BICK
DVDD
DVSS
VCOM
AVSS
PDN
CSN
CDTI
SDTI
15
AIN


ASAHI KASEI
[AK4631]
MS0317-J-01
2004/11
- 4 -
AK4536, AK4630
AK4536, AK4630
AK4536
AK4630
AK4631
1.
AK4536VN AK4630VN AK4631VN
AVDD, DVDD, SVDD
2.4V
3.6V
2.4V
3.6V
2.6V
3.6V
SPK-Amp
ALC2 OFF
AVDD=DVDD=SVDD=3.3V
2
150mW@8
250mW@8
2
150mW@8
250mW@8
4
150mW@8
250mW@8
250mW+4.2dB
250mW+6.2dB
SPK-Amp
ALC2 ON
AVDD=DVDD=SVDD=3.3V
2
150mW@8
250mW@8
2
150mW@8
250mW@8
2
150mW@8
240mW@8
AVDD, DVDD
2.6V
3.6V
SVDD
2.6V
5.25V
SPK-Amp
4
MCKI pin AC Coupling
ALC2
+18dB +18dB +19.5dB
-12.0dB
7.35kHz
26kHz
7.35kHz
26kHz
7.35kHz
48kHz
MIC Amp
0dB/+20dB 0dB/+20dB 0dB/+20dB/+26dB/+32dB
1 1061/fs
1 1061/fs
2 1061/fs, 256/fs
PLL
11.2896MHz,
12MHz, 12.288MHz
11.2896MHz, 12MHz,
12.288MHz
11.2896MHz, 12MHz,
12.288MHz, 13.5MHz, 24MHz,
27MHz
AOUT
AOUT pin
Hi-Z
Hi-Z
AVSS
BEEP SPP/SPN
( = 20k
)
+6dB
SPKG bit = "0"
+6dB
SPKG bit = "0"
+7.84 dB
SPKG1-0 bits = "00"
PLL FCK
VCOC R C
10k + 470nF
10k + 470nF
6.8k + 220nF
PLL Master Mode
Audio I/F Format
DSP Mode
PLL Slave Mode
Audio I/F Format
DSP Mode
PLL Master ModeFCK
"H"
1 / tBCK
50% duty
50% duty

(Note 1 )
0.2
+0.10
mm
-0.20
0.55
0.20 mm
0.55
0.20 mm
Min
0.80 mm
0.70 mm
0.70 mm

0.78
+0.17
-0.28
ASAHI KASEI
[AK4631]
MS0317-J-01
2004/11
- 5 -
AK4536VN AK4630VN AK4631VN
Mono Line Output
D-Range (typ)
95dB
95dB
93dB
S/N(typ) 95dB
95dB
93dB
Speaker-Amp
Output Voltage (-0.5dBFS)
SPKG1-0 bits = "00" (typ)
2.92Vpp
2.92Vpp
3.09Vpp
SPKG1-0 bits = "01" (typ)
3.78Vpp
3.78Vpp
3.92Vpp
S/(N+D) (240mW)
SPKG1-0 bits ="01" (typ)
- -
50dB
S/(N+D) (250mW)
SPKG1-0 bits ="01" (typ)
50dB 50dB
20dB
ADC Digital Filter (HPF) : fs=8kHz
Frequency Response
-3.0dB
1.25Hz 1.25
Hz
0.62 Hz
(typ)
-0.5dB
3.56 Hz
3.56 Hz
1.81 Hz
-0.1dB
8.14 Hz
8.14 Hz
3.99 Hz
Note 1. AK4631 AK4536

2.
AK4536VN AK4630VN AK4631VN
# 15
MCKI / XTI
MCKI
MCKI
# 16
XTO
MCKO
MCKO