AK4954AEN Datasheet, PDF (16/26 Pages) Asahi Kasei Microsystems – 32bit Stereo CODEC with MIC/HP/SPK-AMP

[AK4954A]
DC 特性
(Ta = -30 ~ 85°C; AVDD=2.5 ~ 3.5V, DVDD =1.6 ∼ 1.98V, TVDD=(DVDD-0.2) ~ 3.5V, SVDD=0.9 ∼ 5.5V)
Parameter
Symbol
min
typ
max
Unit
Audio Interface & Serial µP Interface (SDA, SCL, PDN, BICK, LRCK, SDTI, MCKI pins )
High-Level Input Voltage
Low-Level Input Voltage
(TVDD ≥ 2.2V)
(TVDD < 2.2V)
(TVDD ≥ 2.2V)
(TVDD < 2.2V)
VIH 70%TVDD
80%TVDD
VIL
-
-
-
-
V
-
-
V
-
30%TVDD V
-
20%TVDD V
Audio Interface & Serial µP Interface (SDA, BICK, LRCK, SDTO, OVF pins Output)
High-Level Output Voltage
(Iout = −80μA) VOH TVDD−0.2
-
-
V
Low-Level Output Voltage
(Except SDA pin : Iout = 80μA) VOL1
-
-
0.2
V
(SDA pin, 2.0V ≤ TVDD ≤ 3.5V: Iout = 3mA) VOL2
-
-
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
Sink Current
(Vin = AVDD) Isink
-
-
150
μA
Source Current
(Vin = 0V)
Isource
-20
-
-
μA
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
MS1542-J-00-PB
- 16 -
2013/06