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
- 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