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AK4953A Datasheet, PDF (14/96 Pages) Asahi Kasei Microsystems – 24bit Stereo CODEC with MIC/HP/SPK-AMP
[AK4953A]
DC CHARACTERISTICS
(Ta =25°C; AVDD=2.85 ~ 3.5V, DVDD =1.6 ∼ 2.0V, TVDD=DVDD ~ 3.5V, SVDD=0.9 ∼ 5.5V)
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
(TVDD ≥ 2.2V)
VIH 70%TVDD
-
-
V
(TVDD < 2.2V)
80%TVDD
-
-
V
Low-Level Input Voltage
(TVDD ≥ 2.2V)
VIL
-
-
30%TVDD V
(TVDD < 2.2V)
-
-
20%TVDD V
Audio Interface & Serial µP Interface (CDTIO, SDA, MCKO, BICK, LRCK, SDTO pins Output)
High-Level Output Voltage
(Iout = −80μA) VOH TVDD−0.2
-
-
V
Low-Level Output Voltage
(Except SDA pin : Iout = 80μA) VOL1
-
(SDA pin, 2.0V ≤ TVDD ≤ 3.5V: Iout = 3mA) VOL2
-
-
0.2
V
-
0.4
V
(SDA pin, 1.6V ≤ TVDD < 2.0V: Iout = 3mA) VOL2
-
-
20%TVDD V
Input Leakage Current
Iin
-
-
±10
μA
Digital MIC Interface (DMDAT pin Input ; DMIC bit = “1”)
High-Level Input Voltage
VIH3 65%AVDD
-
-
V
Low-Level Input Voltage
VIL3
-
-
35%AVDD V
Digital MIC Interface (DMCLK pin Output ; DMIC bit = “1”)
High-Level Output Voltage
(Iout=−80μA)
VOH3 AVDD-0.4
-
Low-Level Output Voltage
(Iout= 80μA)
VOL3
-
-
-
V
0.4
V
Input Leakage Current
Iin
-
-
±10
μA
MS1252-E-00
- 14 -
2010/10