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參數(shù)資料
| 型號： | AK4343 |
| 廠商： | Asahi Kasei Microsystems Co.,Ltd |
| 英文描述： | Stereo DAC with HP/RCV/SPK-AMP |
| 中文描述： | 立體聲DAC惠普/垃圾車/胰腎聯(lián)合移植腺苷 |
| 文件頁數(shù)： | 7/98頁 |
| 文件大小： | 851K |
| 代理商： | AK4343 |
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ASAHI KASEI
[AK4343]
MS0478-E-01
2006/10
- 7 -
RECOMMENDED OPERATING CONDITIONS
(AVSS, DVSS, HVSS=0V; Note 3)
Parameter
Power Supplies
(Note 10) Digital
Note 3. All voltages with respect to ground.
Note 10. The power-up sequence between AVDD, DVDD and HVDD is not critical. When only AVDD or HVDD is
powered OFF, the power supply current of DVDD at power-down mode may be increased. DVDD should not be
powered OFF while AVDD or HVDD is powered ON.
* AKM assumes no responsibility for the usage beyond the conditions in this datasheet.
ANALOG CHARACTERISTICS
(Ta=25
°
C; AVDD, DVDD, HVDD=3.3V; AVSS=DVSS=HVSS=0V; fs=44.1kHz, BICK=64fs;
Signal Frequency=1kHz; 16bit Data; Measurement frequency=20Hz
～
20kHz; unless otherwise specified)
Parameter
Gain Amplifier:
LIN1/RIN1/LIN2/RIN2 pins & LIN3/RIN3 pins (AIN3 bit = “1”);
MDIF1=MDIF2 bits = “0” (Single-ended inputs)
MGAIN1-0 bits = “00”
Input
Resistance
MGAIN1-0 bits = “01”, “10”or “11”
MGAIN1-0 bits = “00”
MGAIN1-0 bits = “01”
MGAIN1-0 bits = “10”
MGAIN1-0 bits = “11”
Gain Amplifier:
IN1+/IN1
/IN2+/IN2
pins; MDIF1 = MDIF2 bits = “1” (Full-differential input)
Maximum Input Voltage (Note 11)
MGAIN1-0 bits = “01”
MGAIN1-0 bits = “10”
MGAIN1-0 bits = “11”
Note 11. The voltage difference between IN1/2+ and IN1/2
pins. AC coupling capacitor should be inserted in series at
each input pin. Full-differential mic input is not available at MGAIN1-0 bits = “00”. Maximum input voltage of
IN1+, IN1
, IN2+ and IN2
pins is proportional to AVDD voltage, respectively.
Vin = 0.069 x AVDD (max)@MGAIN1-0 bits = “01”, 0.035 x AVDD (max)@MGAIN1-0 bits = “10”, 0.017 x
AVDD (max)@MGAIN1-0 bits = “11”.
When the signal larger than above value is input to IN1+, IN1
, IN2+ or IN2
pin, Gain Amp does not operate
normally.
Symbol
AVDD
DVDD
HVDD
AVDD
DVDD
min
2.6
2.6
2.6
0.3
typ
3.3
3.3
max
3.6
3.6
5.25
+0.3
Units
V
V
V
V
Analog
HP / SPK-Amp
Difference
3.3 / 5.0
0
min
typ
max
Units
40
20
-
-
-
-
60
30
0
+20
+26
+32
80
40
-
-
-
-
k
k
dB
dB
dB
dB
Gain
-
-
-
-
-
-
0.228
0.114
0.057
Vpp
Vpp
Vpp
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