AK7755EN_16 Datasheet, PDF (17/109 Pages) Asahi Kasei Microsystems – DSP with Mono ADC Stereo CODEC + Mic/Lineout Amp

[AK7755]
■ DC Characteristics
(Ta= -40 to 85C, AVDD=3.3V, DVDD=1.2V, TVDD=1.7 to 3.6V, AVSS=DVSS=0V)
Parameter
Symbol
min
typ
max
Unit
High Level Input Voltage
VIH 80%TVDD
V
Low Level Input Voltage
VIL
20%TVDD V
SCL, SDA High Level Input Voltage
VIH 70%TVDD
V
SCL, SDA Low Level Input Voltage
VIL
30%TVDD V
DMDAT1, DMDAT2 High Level Input Voltage
(DMIC1, DMIC2 bit = “1”)
VIH2 65%AVDD
V
DMDAT1, DMDAT2 Low Level Input Voltage
(DMIC1, DMIC2 bit = “1”)
VIL2
35%AVDD V
High Level Output Voltage Iout= -100A (Note 21) VOH TVDD-0.3
V
Low Level Output Voltage Iout=100A (Note 22) VOL
0.3
V
SDA Low Level Output Voltage TVDD≥2.0V
VOL
0.4
V
Iout=3mA
TVDD<2.0V
VOL
20%TVDD
DMCLK1, DMCLK2 High Level Output Voltage
Iout = -80A
VOH2 AVDD-0.4
V
(DMIC1, DMIC2 bit = “1”)
DMCLK1, DMCLK2 Low Level Output Voltage
Iout = 80A
VOL2
0.4
V
(DMIC1, DMIC2 bit = “1”)
Input Leak Current (Note 23)
Iin
±10
A
Input Leak Current at Pulled-down Pins (Note 24)
Iid
77
A
Input Leak Current at XTI pin
lix
17
A
Note 21. Except XTO pin
Note 22. Except SDA and XTO pins.
Note 23. Internal Pulled-down pins, except the XTI pin
Note 24. The LRCK, BICK, SDOUT2/JX3/MAT0 and SDOUT3/JX2/MAT1 pins are internal
pulled-down pins (typ. 43 kΩ@3.3V).
■ Power Consumptions
(Ta=25C, AVDD=3.0 to 3.6V (typ=3.3V, max=3.6V), TVDD=1.7 to 3.6V (typ=3.3V, max=3.6V),
DVDD=1.14 to 1.3V (typ=1.2V, max=1.3V), AVSS=DVSS=0V)
Parameter min
typ
max
Unit
Power consumptions in operation 1 (Note 25)
(LDOE pin = “L”)
AVDD
TVDD
DVDD
16
24
mA
3
4.5
mA
25
40
mA
Power consumptions in operation 2 (Note 25) AVDD
48
72
mA
(LDOE pin = “H”)
TVDD
3
4.5
mA
Power consumptions in power-down
(PDN pin= “L”, LDOE pin = “L”)
AVDD
TVDD
DVDD
10
10
200
uA
uA
uA
Power consumptions in power-down
AVDD
1
uA
(PDN pin= “L”, LDOE pin = “H”)
TVDD
1
uA
Note 25. DVDD power consumption will be changed depending on DSP programs.
(e.g. It will be 6mA when using AKM’s Hands Free program.)
014006643-E-00
- 17 -
2014/10