AK4950 Datasheet, PDF (13/106 Pages) Asahi Kasei Microsystems – 24bit Stereo CODEC with MIC/SPK/Cap-less VIDEO-AMP & mini DSP

[AK4950]
DC CHARACTERISTICS
(Ta =25°C; AVDD=2.7 ∼ 3.6V, TVDD =1.6 ∼ 3.6V; fs= 44.1kHz; DEM=OFF)
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
(Except I2C pin, TVDD ≥ 2.2V) VIH 70%TVDD
-
-
V
(Except I2C pin, TVDD < 2.2V)
80%TVDD
-
-
V
(I2C pin) VIH1 70%AVDD
-
-
V
Low-Level Input Voltage
(Except I2C pin, TVDD ≥ 2.2V) VIL
-
-
30%TVDD V
(Except I2C pin, TVDD < 2.2V)
-
-
20%TVDD V
(I2C pin) VIL1
-
-
30%AVDD 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
-
-
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
Input Leakage Current
Iin
-
-
±10
μA
Digital MIC Interface (DMDAT pin Input ; DMIC bit = “1”)
High-Level Input Voltage
VIH2 65%AVDD
-
-
V
Low-Level Input Voltage
VIL2
-
-
35%AVDD V
Digital MIC Interface (DMCLK pin Output ; DMIC bit = “1”)
High-Level Output Voltage
(Iout=−80μA)
VOH3 AVDD-0.4
-
-
V
Low-Level Output Voltage
(Iout= 80μA)
VOL3
-
-
0.4
V
Input Leakage Current
Iin2
-
-
±20
μA
MS1320-E-00
- 13 -
2011/10