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PDF AK4414 Data sheet ( Hoja de datos )
| Número de pieza | AK4414 | |
| Descripción | High Performance 120dB 32-Bit 4ch DAC | |
| Fabricantes | AKM | |
| Logotipo |  |
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[AK4414]
AK4414
High Performance 120dB 32-Bit 4ch DAC
GENERAL DESCRIPTION
AK4414 is a 32-bit DAC, which corresponds to BD systems. An internal circuit includes newly developed
32bit Digital Filter for better sound q uality achiev ing low distortion charac teristics and wide dynamic
range. The AK4414 has full differential SCF outputs, removing the need for AC coupling capacitors a nd
increasing performance for systems with excessive clock jitter. The AK4414 accepts 216kHz PCM d ata
and 1-bit DSD data, ideal for a wide range of applications including DVD-Audio and SACD.
FEATURES
• 128x Over sampling
• Sampling Rate: 30kHz ∼ 216kHz
• 32Bit 8x Digital Filter
- Ripple: ±0.005dB, Attenuation: 80dB
- High Quality Sound Short Delay Option; GD=7/fs and GD=5.5/fs
- Sharp Roll-Off Filter
- Slow Roll-Off Filter
• High Tolerance to Clock Jitter
• Low Distortion Differential Output
• DSD data input
• Digital De-emphasis for 32, 44.1, 48kHz sampling
• Soft Mute
• Digital Attenuator (255 levels and 0.5dB step)
• Stereo Mode
• THD+N: -107dB
• DR, S/N: 120dB (Stereo mode: 123dB)
• I/F Format: 24/32bit MSB justified, 16/20/24/32bit LSB justified, I2S, DSD, TDM
• Master Clock:
30kHz ~ 32kHz: 1152fs
30kHz ~ 54kHz: 512fs or 768fs
30kHz ~ 108kHz: 256fs or 384fs
108kHz ~ 216kHz: 128fs or 192fs
• Power Supply: DVDD=AVDD=2.7 ∼ 3.6V, VDD1/2=4.75 ∼ 5.25V
• Digital Input Level: CMOS
• Package: 44pin LQFP
MS1476-E-01
-1-
2013/01
http://www.Datasheet4U.com
1 page  
No. Pin Name
I/O Function
29 AOUTR1P
O Right Channel Positive Analog Output 1
30 AOUTR1N
O Right Channel Negative Analog Output 1
31 VREFH1
I High Level Voltage Reference Input 1
32 VREFL1
I Low Level Voltage Reference Input 1
33 VSS1
- Connected to DVSS, AVSS, VSS2 Ground
34 VD D1
- Analog Power Supply Pin, 4.75 ∼ 5.25V
35 AOUTL1N
O Left Channel Negative Analog Output 1
36 AOUTL1P
O Left Channel Positive Analog Output 1
37 VC M1
38 TSTO 1
39 TSTO 2
-
Common Voltage 1
Normally connected to VSS with a 10uF electrolytic cap.
I
Test Output pin. “Hi-Z” at Normal Operation.
Connect to AVSS.
I
Test Output pin. “Hi-Z” at Normal Operation.
Connect to AVSS.
40 AVDD
- Analog Power Supply, 2.7 to 3.6V
41 AVSS
- Analog Ground Pin
42 MCLK
I Master Clock Input
43 DVSS
- Digital Ground Pin
44 DV DD
- Digital Power Supply, 3.0 ∼ 3.6V
Note: All input pins except internal pull-up/down pins should not be left floating.
[AK4414]
MS1476-E-01
-5-
2013/01
5 Page 
[AK4414]
SHORT DELAY SHARP ROLL-OFF FILTER CHARACTERISTICS (fs = 44.1kHz)
(Ta=25°C; VDD1/2=4.75 ∼ 5.25V, AVDD=DVDD=2.7 ∼ 3.6V; Normal Speed Mode; DEM=OFF; SLOW bit = “0”,
SD bit=“1”)
Parameter
Symbol
min
typ
max Unit
Digital Filter
Passband
(Note 12) ±0.01dB
PB
0
- 20.0 kHz
−6.0dB
- 22.05 -
kHz
Stopband
(Note 12) SB
24.1 -
- kHz
Passband Ripple
PR -0.0031
-
0.0031
dB
Stopband Attenuation
SA 80
-
- dB
Group Delay
(Note 13) GD
- 7 - 1/fs
Digital Filter + SCF
Frequency Response : 0 ∼ 20.0kHz
-0.2 - 0.2 dB
SHORT DELAY SHARP ROLL-OFF FILTER CHARACTERISTICS (fs = 96kHz)
(Ta=25°C; VDD1/2=4.75 ∼ 5.25V, AVDD=DVDD=2.7 ∼ 3.6V; Double Speed Mode; DEM=OFF; SLOW bit = “0”,
SD bit=“1”)
Parameter
Symbol
min
typ
max Unit
Digital Filter
Passband
(Note 12) ±0.01dB
PB
0
- 43.5 kHz
−6.0dB
- 48.0 - kHz
Stopband
(Note 12) SB
52.5 -
- kHz
Passband Ripple
PR -0.0031
-
0.0031
dB
Stopband Attenuation
SA 80
-
- dB
Group Delay
(Note 13) GD
- 7 - 1/fs
Digital Filter + SCF
Frequency Response : 0 ∼ 40.0kHz
-0.3 - 0.3 dB
SHORT DELAY SHARP ROLL-OFF FILTER CHARACTERISTICS (fs = 192kHz)
(Ta=25°C; VDD1/2=4.75 ∼ 5.25V, AVDD=DVDD=2.7 ∼ 3.6V; Quad Speed Mode; DEM=OFF; SLOW bit = “0”,
SD bit=“1”)
Parameter Sym
bol min typ max Unit
Digital Filter
Passband
(Note 12) ±0.01dB
−6.0dB
PB
0 - 87.0 kHz
- 96.0 - kHz
Stopband
(Note 12) SB
105 -
- kHz
Passband Ripple
PR -0.0031
-
0.0031
dB
Stopband Attenuation
SA 80
-
- dB
Group Delay
(Note 13) GD
- 7 - 1/fs
Digital Filter + SCF
Frequency Response : 0 ∼ 80.0kHz
-1 - 0.1 dB
MS1476-E-01
- 11 -
2013/01
11 Page | ||
| Páginas | Total 51 Páginas | |
| PDF Descargar | [ Datasheet AK4414.PDF ] | |
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