AK4343EN AKM [Asahi Kasei Microsystems], AK4343EN Datasheet - Page 7

• Manufacturer Part Number: AK4343EN
• Description: Stereo DAC with HP/RCV/SPK-AMP
• Manufacturer: AKM [Asahi Kasei Microsystems]

ASAHI KASEI
(AVSS, DVSS, HVSS=0V; Note 3)
Parameter
Power Supplies
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
* AKM assumes no responsibility for the usage beyond the conditions in this datasheet.
(Ta=25°C; AVDD, DVDD, HVDD=3.3V; AVSS=DVSS=HVSS=0V; fs=44.1kHz, BICK=64fs;
Parameter
Gain Amplifier: LIN1/RIN1/LIN2/RIN2 pins & LIN3/RIN3 pins (AIN3 bit = “1”);
Input
Resistance
Gain
Gain Amplifier: IN1+/IN1−/IN2+/IN2− pins; MDIF1 = MDIF2 bits = “1” (Full-differential input)
Maximum Input Voltage (Note 11)
Note 11. The voltage difference between IN1/2+ and IN1/2− pins. AC coupling capacitor should be inserted in series at
MS0478-E-01
Signal Frequency=1kHz; 16bit Data; Measurement frequency=20Hz ∼ 20kHz; unless otherwise specified)
(Note 10) Digital
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.
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.
MGAIN1-0 bits = “00”
MGAIN1-0 bits = “01”, “10”or “11”
MGAIN1-0 bits = “00”
MGAIN1-0 bits = “01”
MGAIN1-0 bits = “10”
MGAIN1-0 bits = “11”
MGAIN1-0 bits = “01”
MGAIN1-0 bits = “10”
MGAIN1-0 bits = “11”
MDIF1=MDIF2 bits = “0” (Single-ended inputs)
Analog
HP / SPK-Amp
Difference
RECOMMENDED OPERATING CONDITIONS
ANALOG CHARACTERISTICS
AVDD−DVDD
Symbol
AVDD
DVDD
HVDD
- 7 -
min
40
20
-
-
-
-
-
-
-
−0.3
min
2.6
2.6
2.6
+20
+26
+32
typ
60
30
0
-
-
-
3.3 / 5.0
typ
3.3
3.3
0
0.228
0.114
0.057
max
max
+0.3
80
40
5.25
3.6
3.6
-
-
-
-
[AK4343]
Units
2006/10
Units
Vpp
Vpp
Vpp
V
V
V
V
kΩ
kΩ
dB
dB
dB
dB