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PDF AK4132 Data sheet ( Hoja de datos )
| Número de pieza | AK4132 | |
| Descripción | 96kHz 24bit Sample Rate Converter | |
| Fabricantes | AKM | |
| Logotipo |  |
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[AK4132]
AK4132
96kHz 24bit Sample Rate Converter
1. General Description
The AK4132 is an 2ch digital sample rate converter (SRC). It converts sample rate of the input audio
source (from 8kHz to 96kHz) to 44.1kHz or 48kHz. It is possible also to convert 8kHz, 16kHz or 24kHz
into 8kHz, 16kHz or 24kHz. The AK4132 has an internal oscillator and does not need any external
master clocks. It contributes simplifying a system configuration. The AK4132 is suitable for the
application interfacing to different sample rates such as Car Audio Systems and DVD recorders.
2. Features
2 channels Input/Output
Asynchronous Sample Rate Converter
Input Sample Rate Range (FSI):
8k ~ 96kHz
Output Sample Rate (FSO):
44.1kHz, 48kHz (@fsi=8k~96kHz)
8kHz, 16kHz, 24kHz (@fsi=8kHz, 16kHz, 24kHz)
Input to Output Sample Rate Ratio: FSO/FSI = 0.33 ~ 6
THD+N:
Up to -90dB
Dynamic Range:
I/F format:
100dB (A-weighted, Typ.)
MSB justified, I2S compatible
Oscillator for Internal Operation Clock
Clock for Master mode:
256fso
Power Supply:
DVDD= 3.0 ~ 3.6V or 1.7 ~ 1.9V (LDO OFF Mode)
Operating Temperature:
-40 ~ +105ºC
Package:
16-pin TSSOP (0.65mm pitch)
015015036-E-01
-1-
2016/06
1 page  
[AK4132]
6. Absolute Maximum Ratings
(DVSS=0V; Note 3)
Parameter
Symbol
Min.
Max.
Power Supplies
Digital
Internal Digital
DVDD
VD18
0.3
0.3
4.3
2.5
Input Current, Any Pin Except Supplies
IIN -
±10
Digital Input Voltage (Note 4)
VDIN
0.3 DVDD+0.3
Ambient Temperature (Power applied) (Note 5)
Ta
40
105
Storage Temperature
Tstg 65
150
Note 3. All voltages with respect to ground.
Note 4. ILRCK, IBICK, SDTI, IDIF, PDN, TEST, OMCLK, CM, ODIF, OBICK (Slave Mode),
OLRCK (Slave Mode), VSEL pin
Note 5. PCB drawing density should be 100% or more.
Unit
V
V
mA
V
ºC
ºC
WARNING: Operation at or beyond these limits may result in permanent damage to the device.
Normal operation is not guaranteed at these extremes.
7. Recommended Operating Conditions
(DVSS=0V; Note 3; VSEL= “L”)
Parameter
Symbol
Min.
Typ.
Power Supplies Digital
DVDD 3.0 3.3
Note 3. All voltages with respect to ground.
(DVSS=0V; Note 3; VSEL= “H”)
Parameter
Symbol
Digital
Power Supplies Internal Digital
(Note 6)
Difference
DVDD
VD18
DVDD-VD18
Note 3. All voltages with respect to ground.
Note 6. DVDD and VD18 must be connected externally.
Min.
1.7
1.7
-
Typ.
1.8
1.8
0
Max.
3.6
Unit
V
Max.
1.9
1.9
-
Unit
V
V
V
* AKM assumes no responsibility for the usage beyond the conditions in this data sheet.
015015036-E-01
-5-
2016/06
5 Page 
■ Timing Diagram
Master Clock
1/fCLK
OMCLK
tCLKH
tCLKL
[AK4132]
VIH
VIL
Input Port Clock
ILRCK
IBICK
Figure 3. OMCLK Clock Timing
1/FSI
tILRCH
tILRCL
tIBCK
tIBCKH
tIBCKL
VIH
VIL
dILRCK=tILRCH(or tILRCL)FSI100
VIH
VIL
Input Port Timing
Figure 4. ILRCK, IBICK Clock Timing
ILRCK
tIBLR
tILRB
IBICK
tISDS
tISDH
SDTI
Figure 5. Input PORT Audio Interface Timing
VIH
VIL
VIH
VIL
VIH
VIL
015015036-E-01
- 11 -
2016/06
11 Page | ||
| Páginas | Total 27 Páginas | |
| PDF Descargar | [ Datasheet AK4132.PDF ] | |
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