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PDF AKD4562 Data sheet ( Hoja de datos )
| Número de pieza | AKD4562 | |
| Descripción | EVALUATION BOARD REV.A FOR AK4562 | |
| Fabricantes | Asahi Kasei Microsystems | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de AKD4562 (archivo pdf) en la parte inferior de esta página. Total 29 Páginas | ||
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ASAHI KASEI
[AK4562]
AK4562
Low Power 20bit ∆Σ CODEC with PGA
FEATURES
1. Resolution : 20bits
2. Recording Functions
• 2-Stereo Inputs Mixer
• Analog Input PGA
• Monaural Mixing
• Digital HPF for DC-offset cancellation (fc=3.4Hz@fs=44.1kHz)
3. Playback Functions
• Digital De-emphasis Filter (tc=50/15us, fs=32kHz, 44.1kHz and 48kHz)
• Analog Output PGA
• 2 types Stereo Outputs (DAC and Analog Output PGA)
4. Power Management
5. ADC Characteristics
• Input Level : 1.5Vpp = 0.6 x VREF@VREF=2.5V
• S/(N+D) : 82dB
• DR, S/N : 88dB
6. DAC Characteristics
• Output Level : 1.5Vpp = 0.6 x VREF@VREF=2.5V
• S/(N+D) : 86dB
• DR, S/N : 93dB
7. 3-wire Serial Control, SSB I/F
8. Master Clock : 256fs/384fs
9. Audio Data Format : MSB First, 2’s compliment
• ADC : 20bit MSB justified, I2S
• DAC : 16bit LSB justified, 20bit LSB justified, 24bit LSB justified, I2S
10. Power Supply
• CODEC, PGA : 2.2 ∼ 3.0V (typ. 2.5V)
• Digital I/F : 1.8 ∼ 3.0V (typ. 2.5V)
11. Power Supply Current
• IPGA + ADC : 7mA
• DAC + OPGA : 5.5mA
12. Ta = -20 ∼ 70°C
13. Package : 28pin QFN
• Size : 5.2mm x 5.2mm
• Height : 1mm (max)
• Pitch : 0.5mm
MS0031-E-00
-1-
2000/05
1 page  
ASAHI KASEI
[AK4562]
ABSOLUTE MAXIMUM RATINGS
(AGND, DGND=0V; Note 1)
Parameter
Symbol
min
Power Supply
Analog
Digital 1
Digital 2
VA -0.3
VD -0.3
VT -0.3
VD – VA
|DGND – AGND| (Note 2)
VDA
∆GND
-
-
Input Current (Any Pin Except Supplies)
IIN
-
Analog Input Voltage
LIN1-2, RIN1-2, OPGAL, OPGAR, VREF pins
VINA
-0.3
Digital Input Voltage
VIND
-0.3
Ambient Temperature (power applied)
Ta -20
Storage Temperature
Tstg -65
Note : 1. All voltages with respect to ground.
Note : 2. AGND and DGND must be same voltage.
max
4.6
4.6
4.6
0.3
0.3
±10
VA+0.3
VT+0.3
70
150
WARNING: Operation at or beyond these limits may results in permanent damage to the device.
Normal operation is not guaranteed at these extremes.
Units
V
V
V
V
V
mA
V
V
°C
°C
RECOMMENDED OPERATING CONDITIONS
(AGND, DGND=0V; Note 1)
Parameter
Symbol
min
typ
Power Supply Analog (VA pin)
VA 2.2
2.5
Digital 1 (VD pin) (Note 3)
VD 2.2 / VA-0.3
2.5
Digital 2 (VT pin)
VT 1.8
2.5
Voltage
Reference
Analog Voltage Reference
(Note 4)
VREF
-
-
max
3.0
VA
VD
VA
Note : 1. All voltages with respect to ground.
Note : 3. Min value is high value either 2.2V or VA-0.3V.
Note : 4. VREF and VA must be same voltage.
WARNING: AKM assumes no responsibility for the usage beyond the conditions in this data sheet.
Units
V
V
V
V
MS0031-E-00
-5-
2000/05
5 Page 
ASAHI KASEI
CSN
CCLK
CDTI
D4
SCK
SSI
PDN
SDTO
[AK4562]
tCSW
tCSH
D5 D6 D7
Figure 4. WRITE Data Input Timing (AKM)
VIH
VIL
VIH
VIL
VIH
VIL
tSIS tSIH
tSCKL tSCKH
Figure 5. WRITE Data Input Timing (SSB)
tPW
tPWV
Figure 6. Reset Timing
VIH
VIL
VIH
VIL
VIL
50%VT
MS0031-E-00
- 11 -
2000/05
11 Page | ||
| Páginas | Total 29 Páginas | |
| PDF Descargar | [ Datasheet AKD4562.PDF ] | |
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