AK4637EN Datasheet, PDF (15/96 Pages) Asahi Kasei Microsystems – 24bit Mono CODEC with MIC/SPK-AMP

[AK4637]
■ DC Characteristics
(Ta=25C; fs=48kHz; AVDD=2.85.5V, DVDD=1.6~1.98V, TVDD=1.6 or (DVDD-0.2)3.6V)
Parameter
Symbol
Min.
Typ.
Max. Unit
Audio Interface & Serial µP Interface (SDA, CSL, PDN, SDTI, BICK, FCK, MCKI pins Input)
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
Input Leakage Current
Iin1
-
-
10
A
Audio Interface & Serial µP Interface (SDA, BICK, FCK, SDTO pins Output)
High-Level Output Voltage (Iout = 80A)
VOH TVDD0.2
-
-
V
Low-Level Output Voltage
(Except SDA pin: Iout = 80A) VOL1
-
-
0.2
V
(SDA pin, 2.0V  TVDD  3.6V: Iout = 3mA) VOL2
-
-
0.4
V
(SDA pin, 1.6V  TVDD < 2.0V: Iout = 3mA) VOL2
-
- 20%TVDD V
Digital MIC Interface (DMDAT pin Input; DMIC bit = “1”, AVDD=2.8~3.6V)
High-Level Input Voltage
VIH2 65%AVDD
-
-
V
Low-Level Input Voltage
VIL2
-
- 35%AVDD V
Input Leakage Current
Iin2
-
-
10
A
Digital MIC Interface (DMCLK pin Output; DMIC bit = “1” , AVDD=2.8~3.6V)
High-Level Output Voltage (Iout=80A)
VOH3 AVDD-0.4
-
-
V
Low-Level Output Voltage (Iout= 80A)
VOL3
-
-
0.4
V
015010680-E-00
- 15 -
2015/09