[AK4649]
DC CHARACTERISTICS
(Ta = 25°C; AVDD=SVDD=2.4 ∼ 3.6V, DVDD =1.6 ∼ 3.6V; fs=44.1kHz)
Parameter
Symbol
min
typ
max
Units
Audio Interface & Serial µP Interface
(CDTIO/CAD0, CSN/SDA, CCLK/SCL, I2C, PDN, BICK, LRCK, SDTI, MCKI pins )
High-Level Input Voltage
Low-Level Input Voltage
(DVDD ≥ 2.2V)
(DVDD < 2.2V)
(DVDD ≥ 2.2V)
(DVDD < 2.2V)
VIH
70%DVDD
80%DVDD
-
-
-
-
-
-
V
V
V
V
VIL
-
-
30%DVDD
20%DVDD
Audio Interface & Serial µP Interface (CDTIO, SDA MCKO, BICK, LRCK, SDTO pins Output)
High-Level Output Voltage
Low-Level Output Voltage
(Iout = −80μA)
VOH
DVDD−0.2
-
-
V
(Except SDA pin : Iout = 80μA) VOL1
(SDA pin, 2.0V ≤ DVDD ≤ 3.6V: Iout = 3mA) VOL2
(SDA pin, 1.6V ≤ DVDD < 2.0V: Iout = 3mA) VOL2
-
-
-
-
-
-
-
-
0.2
0.4
20%DVDD
±10
V
V
Input Leakage Current
Iin
μA
Digital MIC Interface (DMDAT pin Input ; DMIC bit = “1”)
High-Level Input Voltage
Low-Level Input Voltage
VIH3
VIL3
65%AVDD
-
-
-
-
V
V
35%AVDD
Digital MIC Interface (DMCLK pin Output ; DMIC bit = “1”)
High-Level Output Voltage
Low-Level Output Voltage
Input Leakage Current
(Iout=−80μA)
(Iout= 80μA)
VOH3
VOL3
Iin
AVDD-0.4
-
-
-
-
V
V
-
-
0.4
±10
μA
MS1023-E-01
2010/08
- 13 -
AKM [ ASAHI KASEI MICROSYSTEMS ]
