[AK4958]
DC特性
(Ta =25C; fs=48kHz ; AK4958EG: AVDD=2.8 3.6V, DVDD = 1.6 ~ 2.0V, TVDD = 1.6 or (DVDD-0.2) 3.6V,
AK4958ECB: AVDD=2.8 3.6V, DTVDD = 1.6 ~ 2.0V)
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
VIH
VIH1
70%TVDD
80%TVDD
70%AVDD
-
-
-
-
-
-
V
V
V
(Except I2C pin, TVDD < 2.2V)
(I2C pin)
Low-Level Input Voltage
(Except I2C pin, TVDD ≥ 2.2V)
(Except I2C pin, TVDD < 2.2V)
(I2C pin)
VIL
VIL
VIL1
Iin1
-
-
-
-
-
-
-
-
30%TVDD
20%TVDD
30%AVDD
10
V
V
V
Input Leakage Current
A
Audio Interface & Serial µP Interface (CDTIO, SDA MCKO, BICK, LRCK, SDTO pins Output)
High-Level Output Voltage
Low-Level Output Voltage
(Iout = 80A)
VOH
TVDD0.2
-
-
V
(Except SDA pin : Iout = 80A) VOL1
(SDA pin, 2.0V TVDD 3.6V: Iout = 3mA) VOL2
(SDA pin, 1.6V TVDD < 2.0V: Iout = 3mA) VOL2
Digital MIC Interface (DMDAT pin Input ; DMIC bit = “1”)
-
-
-
-
-
-
0.2
0.4
20%TVDD
V
V
V
High-Level Input Voltage
Low-Level Input Voltage
Input Leakage Current
VIH2
VIL2
Iin2
65%AVDD
-
-
-
-
V
V
-
-
35%AVDD
10
A
Digital MIC Interface (DMCLK pin Output ; DMIC bit = “1”)
High-Level Output Voltage
Low-Level Output Voltage
(Iout=80A)
(Iout= 80A)
VOH3
VOL3
AVDD-0.4
-
-
-
-
0.4
V
V
Note 31. AK4958ECBは、TVDDがDTVDDになります。
Note 32. SCL, SDA pinsのプルアップ抵抗の接続先は、TVDD(DTVDD)以上かつ6V以下にしてください。
MS1558-J-01-PB
2013/10
- 20 -
AKM [ ASAHI KASEI MICROSYSTEMS ]
