AK4695 Datasheet, PDF (6/107 Pages) Asahi Kasei Microsystems – 24bit 4ch CODEC with MIC/HP/SPK/LINE-AMP

[AK4695]
PIN/FUNCTION (Cont.)
No. Pin Name I/O Function
F3 CP
O
Positive Charge-Pump Capacitor Terminal Pin
This pin must be connected to CN pin with 2.2μF±50% capacitor in series.
G3 CN
I
Negative Charge-Pump Capacitor Terminal Pin
This pin must be connected to CP pin with 2.2μF±50% capacitor in series.
G2 PVEE
O
Charge-Pump Circuit for Headphone-Amp Negative Voltage Output Pin
This pin must be connected to VSS with 2.2μF±50% capacitor in series.
Note 1. All input pins except analog input pins must not be allowed to float.
■ Pin Condition at Power Down Mode and Power Save Mode
Pin Name
MICINxL
MICINxR
AUXINL
AUXINR
BEEPIN
VCOM
SPP
SPN
LOUTB
ROUTB
LOUTA
ROUTA
I/O
Power Down Mode
(PDN pin = “L” or PDN pin = “H”,
PMVCM bit = “0”)
Power Save Mode
(PDN pin = “H”, PMVCM bit = “1”)
I Hi-Z
Hi-Z
I Hi-Z
O VSS1
O Hi-Z
O Hi-Z
O Pull down to VSS1 by 100kΩ
Common Voltage (VCOM)
Common Voltage (VCOM)
Common Voltage (0.5 x SVDD)
(LBSEL bit = “0”, PMSPLO bit = “1”,
SPPSN bit = “0”)
Common Voltage (VCOM)
(LBSEL = PMSPLO = LOPSB bits
= “1”)
Common Voltage (VCOM)
(PMLO bit = “1”, LMODE bit = “0”)
■ Handling of Unused Pin
The unused I/O pins must be connected appropriately.
Classification Pin Name
MPWRA, MPWRB, LOUTA, ROUTA, SPP/LOUTB, SPN/ROUTB,
Analog
HPL, HPR, CP, CN, PVEE, MRF, MICIN0L/DDAT0,
MICIN0R/DMCLK, MICIN1L/DDAT1, MICIN1R, MICIN2L,
MICIN2R, MICIN3L, MICIN3R, AUXINL, AUXINR, BEEPIN
Digital
SDTI
SDTO1, SDTO2, GPO1
Setting
Open
Connect to VSS
Open
MS1463-E-01
-6-
2014/12