AK4951EG Datasheet, PDF (19/30 Pages) Asahi Kasei Microsystems – 24bit Stereo CODEC with MIC/HP/SPK-AMP

[AK4951]
■ DC Characteristics
(Ta =25C; fs=48kHz; AVDD=2.8 ~ 3.5V, SVDD= 1.8 ~ 5.5V, DVDD = 1.6 ~ 1.98V, TVDD = 1.6 or
(DVDD-0.2) 3.5V)
Parameter
Symbol
min
typ
max Unit
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 -
(TVDD < 2.2V) VIH 80%TVDD -
-
V
-
V
Low-Level Input Voltage (TVDD ≥ 2.2V) VIL
-
(TVDD < 2.2V) VIL
-
- 30%TVDD V
- 20%TVDD V
Input Leakage Current
Iin1
-
-
10
A
Audio Interface & Serial µP Interface (CDTIO, SDA, BICK, LRCK, SDTO pins Output)
High-Level Output Voltage (Iout = 80A) VOH TVDD0.2 -
Low-Level Output Voltage
-
V
(Except SDA pin : Iout = 80A) 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
Digital Microphone Interface (DMDAT pin Input; DMIC bit = “1”)
High-Level Input Voltage
VIH2 65%AVDD -
-
V
Low-Level Input Voltage
VIL2
-
- 35%AVDD V
Input Leakage Current
Iin2
-
-
10
A
Digital Microphone Interface (DMCLK pin Output; DMIC bit = “1”)
High-Level Output Voltage
(Iout=80A) VOH3 AVDD-0.4 -
-
V
Low-Level Output Voltage
(Iout= 80A) VOL3
-
-
0.4
V
014004561-E-00-PB
- 19 -
2014/08