參數(shù)資料
型號： AK4673
廠商： Asahi Kasei Microsystems Co.,Ltd
元件分類： Codec
英文描述： Stereo CODEC with MIC/HP-AMP and Touch Screen Controller
中文描述： 立體聲編解碼器麥克風(fēng)/惠普- AMP及觸摸屏控制器
文件頁數(shù)： 8/107頁
文件大?。?/td> 1171K
代理商： AK4673
[AK4673]
MS0670-E-00
2007/09
- 8 -
ABSOLUTE MAXIMUM RATINGS
(VSS1=VSS2=VSS3=0V;
Note 2
)
Parameter
Power Supplies:
Input Current, Any Pin Except Supplies
Analog Input Voltage (
Note 3
)
Digital Input Voltage (
Note 4
)
Digital Input Voltage (
Note 5
)
TSC Input Voltage (
Note 6
)
Touch panel Drive Current
Ambient Temperature (powered applied)
Storage Temperature
Note 2. All voltages with respect to ground.
Note 3. I2CA, RIN4/IN4
, LIN4/IN4+, MIN/LIN3, RIN3, RIN2/IN2
, LIN2/IN2+, LIN1/IN1
, RIN1/IN1+ pins
Note 4 PDN, CADA, SCLA, SDAA pins
Pull-up resistors at SDAA and SCLA pins should be connected to (TVDD1+0.3) V or less voltage.
Note 5. SDTI, LRCK, BICK, MCKI pins
Note 6 XP, XN, YP, YN, CADT, SCLT, SDAT pins
Pull-up resistors at SDAT and SCLT pins should be connected to (TSVDD+0.3) V or less voltage.
WARNING: Operation at or beyond these limits may result in permanent damage to the device.
Normal operation is not guaranteed at these extremes.
RECOMMENDED OPERATING CONDITIONS
(VSS1=VSS2=VSS3=0V;
Note 2
)
Parameter
Symbol
Power Supplies
Analog
AVDD
(
Note 7
) Digital
DVDD
Digital I/O1
Digital I/O2
TVDD2
HP-Amp
HVDD
TSC
TSVDD
Note 2. All voltages with respect to ground.
Note 7. The power-up sequence among AVDD, DVDD, TVDD1, TVDD2, HVDD and TSVDD is not critical. The PDN
pin should be held to “L” when power-up. The PDN pin should be set to “H” after all power supplies are
powered-up. The AK4673 should be operated by the recommended power-up/down sequence shown in “System
Design (Grounding and Power Supply Decoupling)” to avoid pop noise at line output and headphone output.
When one of power supplies is partially powered OFF, the power supply current at power-down mode may be
increased. All the power supplies should be powered OFF when the power supply is powered OFF.
* AKEMD assumes no responsibility for the usage beyond the conditions in this datasheet.
* SDAA and SDAT are written as SDA, and also SCLA and SCLT are written as SCL unless otherwise
specified in this datasheet.
Symbol
AVDD
DVDD
TVDD1
TVDD2
HVDD
TSVDD
IIN
VINA
VIND1
VIND2
VIND3
IOUTDRV
Ta
Tstg
min
0.3
0.3
0.3
0.3
0.3
0.3
-
0.3
0.3
0.3
0.3
30
65
max
6.0
6.0
6.0
6.0
6.0
6.0
±
10
Units
V
V
V
V
V
V
mA
V
V
V
V
mA
°
C
°
C
Analog
Digital
Digital I/O1
Digital I/O2
Headphone-Amp
TSC
AVDD+0.3
TVDD1+0.3
TVDD2+0.3
TSVDD+0.3
50
85
150
min
2.6
2.6
2.5
1.6
2.6
2.5
typ
3.3
3.3
3.3
3.3
max
3.6
3.6
DVDD
DVDD
5.25
3.6
Units
V
V
V
V
V
V
TVDD1
3.3 / 5.0
3.3
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