Datasheet AK7604 (Asahi Kasei Microdevices) - 8

[AK7604] ■ Handling of Unused Pins Unused I/O pins must be connected appropriately.
Classification
Analog Digital ■ No. Table 1. Handling of Unused Pins
Pin Name
MPREF, MPWR1, MPWR2, INP1/AINL1,
INN1/GNDINL1, INP2/AINR1, INN2/GNDINR1, AINL2,
AINR2, AINL3, AINR3, AOUT1L, AOUT1R, AOUT2L,
AOUT2R, AOUT3L, AOUT3R
XTI, XTO, SDOUT1, DZF/SDOUT2/RDY,
STO/SDOUT3/GPO
SDIN3/JX2, SDIN2, SDIN1, LRCK3/JX0/SDIN4, LRCK2,
LRCK1, BICK3/JX1, BICK2, BICK1, TESTI Setting
Open Open
Connect to VSS2/VSS3 Internal Pulled-down Pins Status Pin Name Table 2. Internal Pulled-down Pins Status
Power Down Status
Power Down Release
PDN pin = “L”
PDN pin = “H”
(Slave mode)
Pulled-down (25kΩ)
Pulled-down (25kΩ)
Pulled-down (50kΩ) Input (Pulled-down) (46 kΩ)
Pulled-down (50kΩ) Input (Pulled-down) (46 kΩ)
Pulled-down (50kΩ) Input (Pulled-down) (46 kΩ)
Pulled-down (50kΩ) Input (Pulled-down) (46 kΩ)
Pulled-down (50kΩ) Input (Pulled-down) (46 kΩ)
Pulled-down (50kΩ) Input (Pulled-down) (46 kΩ)
Pulled-down (50kΩ)
Output
Pulled-down (50kΩ)
Output
Pulled-down (50kΩ)
Output
Pulled-down (70Ω)
Output 21
TESTI
34
LRCK1
31
BICK1
33
LRCK2
30
BICK2
32
LRCK3/JX0/SDIN4
29
BICK3/JX1
23
SDOUT1
15
DZF/SDOUT2/RDY
22
STO/SDOUT3/GPO
40
REF12
Note
* 1. Typical resistance value when LVDD=TVDD=VDD33=3.3V. 018011601-E-00-PB Power Down Release
PDN pin = “H”
(Master mode)
Pulled-down (25kΩ)
Output
Output
Output
Output
Output
Output
Output
Output
Output
Output 2018/09
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