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Электронный компонент: AK4562VN

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ASAHI KASEI
[AK4562]
MS0031-E-00
2000/05
- 1 -
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, I
2
S
DAC : 16bit LSB justified, 20bit LSB justified, 24bit LSB justified, I
2
S
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
Low Power 20bit
CODEC with PGA
AK4562
ASAHI KASEI
[A
K4562]
MS0031-E-00
2000/
05
- 2
-
n

Block Diagram
LIN1
LOUT1
ROUT1
VA
AGND
VT
VD
DGND
SDTO
LRCK
BCLK
SDTI
Audio I/F
Controller
ADC
HPF
DAC
Clock Divider
MCLK
Control Register I/F
SSB
CDTI
CCLK
(SSI)
(SCK)
VCOM
ROUT2
OPGAR
LOUT2
OPGAL
LIN2
RIN1
RIN2
CSN
PDN
VREF
TST
ASAHI KASEI
[AK4562]
MS0031-E-00
2000/05
- 3 -
n
Ordering Guide
AK4562VN
-20
+70
C
28pin QFN (0.5mm pitch)
AKD4562
Evaluation Board for AK4562
n
Pin Layout
Top View
8
7
6
5
4
3
2
1
28
27
26
25
24
23
22
9
10
11
12
13
14
16
17
18
19
20
21
ROUT2
LIN1
RIN2
LOUT1
ROUT1
OPGAL
PDN
CSN
CCLK
CDTI
SDTO
SDTI
BCLK
TST
MCLK
LRCK
VA
VREF
VD
DGND
VT
OPGAR
LOUT2
RIN1
LIN2
VCOM
AGND
15
SSB
ASAHI KASEI
[AK4562]
MS0031-E-00
2000/05
- 4 -
PIN/FUNCTION
No.
Pin Name
I/O
Function
1
OPGAR
I
Rch OPGA Input Pin
2
LOUT2
O
Lch OPGA Output Pin
3
ROUT2
O
Rch OPGA Output Pin
4
LIN1
I
Lch #1 Input Pin
5
RIN1
I
Rch #1 Input Pin
6
LIN2
I
Lch #2 Input Pin
7
RIN2
I
Rch #2 Input Pin
8
VCOM
-
Analog Common Voltage Output Pin, 0.45 x VA
9
AGND
-
Analog Ground Pin
10
VA
-
Analog Power Supply Pin, +2.5V
11
VREF
-
Analog Voltage Reference Input Pin.
Used as a voltage reference of ADC & DAC. VREF is connected externally to filtered
VA.
12
VD
-
Digital Power Supply Pin, +2.5V
13
DGND
-
Digital Ground Pin
14
VT
-
Digital Interface Power Supply Pin
15
SDTO
O
Audio Serial Data Output Pin
16
SDTI
I
Audio Serial Data Input Pin
17
BCLK
I
Audio Serial Data Clock Pin
18
TST
I
Test Mode Pin, Fixed to "L"
19
MCLK
I
Master Clock Input Pin
20
LRCK
I
Input/Output Channel Clock Pin
21
CDTI
I
Control Data Input Pin, SSB Mode: SSI
22
CCLK
I
Control Clock Input Pin, SSB Mode: SCK
23
CSN
I
Chip Select Pin, SSB Mode: "H"
24
PDN
I
Reset & Power Down Pin, "L": Power down & Reset, "H": Normal Operation
25
SSB
I
Control I/F Mode Select Pin, "L": AKM Mode, "H": SSB Mode
26
LOUT1
O
Lch DAC Output Pin
27
OPGAL
I
Lch OPGA Input Pin
28
ROUT1
O
Rch DAC Output Pin
Note : All digital input pins should not be left floating.
ASAHI KASEI
[AK4562]
MS0031-E-00
2000/05
- 5 -
ABSOLUTE MAXIMUM RATINGS
(AGND, DGND=0V; Note 1)
Parameter
Symbol
min
max
Units
Power Supply
Analog
Digital 1
Digital 2
VD VA
|DGND AGND| (Note 2)
VA
VD
VT
VDA
GND
-0.3
-0.3
-0.3
-
-
4.6
4.6
4.6
0.3
0.3
V
V
V
V
V
Input Current (Any Pin Except Supplies)
IIN
-
10
mA
Analog Input Voltage
LIN1-2, RIN1-2, OPGAL, OPGAR, VREF pins
VINA
-0.3
VA+0.3
V
Digital Input Voltage
VIND
-0.3
VT+0.3
V
Ambient Temperature (power applied)
Ta
-20
70
C
Storage Temperature
Tstg
-65
150
C
Note : 1. All voltages with respect to ground.
Note : 2. AGND and DGND must be same voltage.
WARNING: Operation at or beyond these limits may results in permanent damage to the device.
Normal operation is not guaranteed at these extremes.
RECOMMENDED OPERATING CONDITIONS
(AGND, DGND=0V; Note 1)
Parameter
Symbol
min
typ
max
Units
Power Supply
Analog (VA pin)
Digital 1 (VD pin) (Note 3)
Digital 2 (VT pin)
VA
VD
VT
2.2
2.2 / VA-0.3
1.8
2.5
2.5
2.5
3.0
VA
VD
V
V
V
Voltage
Reference
Analog Voltage Reference
(Note 4)
VREF
-
-
VA
V
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.