AK4958ECB Datasheet, PDF (20/35 Pages) Asahi Kasei Microsystems – 24bit Stereo CODEC with MIC/SPK/VIDEO-AMP & LDO

[AK4958]
DC特性
(Ta =25C; 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 70%TVDD
-
-
V
(Except I2C pin, TVDD < 2.2V) VIH 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) VIL
-
-
20%TVDD V
(I2C pin) VIL1
-
-
30%AVDD V
Input Leakage Current
Iin1
-
-
10
A
Audio Interface & Serial µP Interface (CDTIO, SDA MCKO, BICK, LRCK, 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”)
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”)
High-Level Output Voltage
(Iout=80A)
VOH3 AVDD-0.4
-
-
V
Low-Level Output Voltage
(Iout= 80A)
VOL3
-
-
0.4
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
- 20 -
2013/10