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PDF AK4432 Data sheet ( Hoja de datos )
| Número de pieza | AK4432 | |
| Descripción | 108dB 192kHz 32bit 2-Channel Audio DAC | |
| Fabricantes | AKM | |
| Logotipo |  |
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[AK4432]
AK4432
108dB 192kHz 32bit 2-Channel Audio DAC
1. General Description
The AK4432 is a 32-bit Stereo DAC which corresponds to digital audio systems. An internal circuit
includes newly developed 32-bit Digital Filter achieving short group delay and high quality sound. The
AK4432 has single end SCF outputs, increasing performance for systems with excessive clock jitter. The
AK4432 is ideal for a wide range of applications that demands high sound quality including Home Theater
and Car audio surround systems. It is housed in a 16-pin TSSOP package, saving more board space.
2. Features
1. 2ch 32bit DAC
- 128 times Oversampling
- 32-bit High Quality Sound Low Group Delay Digital Filter
- Single Ended Output, Smoothing Filter
- THD+N: 91dB
- DR, S/N: 108dB
- Channel Isolation Digital Volume (12dB～-115dB, 0.5dB Step, Mute)
- Soft Mute
- De-emphasis Filter (32kHz, 44.1kHz, 48kHz)
- I/F Format: MSB justified, LSB justified, I2S, TDM
- Zero Detection
2. Sampling Frequency
- Normal Speed Mode: 8kHz to 48kHz
- Double Speed Mode: 64kHz to 96kHz
- Quad Speed Mode: 128kHz to 192kHz
3. Master Clock
256fs, 384fs, 512fs or 768fs (Normal Speed Mode: fs=8kHz 48kHz)
256fs or 384fs
(Double Speed Mode: fs=48kHz 96kHz)
128fs or 192fs
(Quad Speed Mode: fs=96kHz 192kHz)
4. P Interface: 3-wire Serial (7MHz max)/ I2C bus (400kHz Mode, 1MHz Mode)
5. Power Supply
- Analog: AVDD = 3.0 3.6V
- Input/Output Buffer: LVDD = 3.0 3.6V
- Integrated LDO for Digital Power Supply
6. Power Consumptions: 7.8mA (fs=48kHz)
7. Operational Temperature: Ta = - 40 105°C
8. Package: 16-pin TSSOP (0.65mm pitch)
015002029-E-00
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1 page  
■ Ordering Guide
AK4432VT
AKD4432
5. Pin Configurations and Functions
-40 +105C
16-pin TSSOP (0.65mm pitch)
Evaluation Board for the AK4432
■ Pin Layout
[AK4432]
MCLK
BICK
SDTI
LRCK
PDN
SMUTE/CSN/I2CFIL
ACKS/CCLK/SCL
DIF/CDTI/SDA
1
2
3
AK4432
4
Top
5 View
6
7
8
Figure 2. Pin Layout
16 LDOO
15 LVDD
14 AVDD
13 VSS
12 VCOM
11 AOUTL
10 AOUTR
9 P/S
015002029-E-00
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5 Page 
[AK4432]
■ Short Delay Sharp Roll-Off Filter (DASD bit = “1”, DASL bit = “0”)
fs=48kHz
Parameter
Passband
(Note 8)
-0.07dB~+0.07dB
-6.0dB
Passband Ripple
Stopband
Stopband Attenuation
(Note 8)
Group Delay
(Note 9)
Digital Filter + SCF + SMF
Frequency Response: 0Hz 20kHz
Symbol
PB
PB
PR
SB
SA
GD
FR
Min.
0
-
-0.07
26.2
56.6
-
-0.20
Typ.
-
24.11
5.9
fs=96kHz
Parameter
Passband
(Note 8)
-0.08dB~+0.08dB
-6.0dB
Passband Ripple
Stopband
(Note 8)
Stopband Attenuation
Group Delay
(Note 9)
Digital Filter + SCF + SMF
Frequency Response: 0Hz 40kHz
Symbol
PB
PB
PR
SB
SA
GD
FR
Min.
0
-
-0.08
52.5
56.4
-
-0.50
Typ.
-
48.25
5.9
fs=192kHz
Parameter
Passband
(Note 8)
-0.08dB~+0.08dB
-6.0dB
Passband Ripple
Stopband
Stopband Attenuation
(Note 8)
Group Delay
(Note 9)
Digital Filter + SCF + SMF
Frequency Response: 0Hz 80kHz
Symbol
PB
PB
PR
SB
SA
GD
FR
Min.
0
-
-0.08
104.9
56.4
-
-2.00
Typ.
-
96.50
5.9
Max.
22.0
-
+0.07
-
-0.10
Max.
44.3
-
+0.08
-
-0.10
Max.
88.6
-
+0.08
-
0.00
Unit
kHz
kHz
dB
kHz
dB
1/fs
dB
Unit
kHz
kHz
dB
kHz
dB
1/fs
dB
Unit
kHz
kHz
dB
kHz
dB
1/fs
dB
015002029-E-00
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2015/02
11 Page | ||
| Páginas | Total 30 Páginas | |
| PDF Descargar | [ Datasheet AK4432.PDF ] | |
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