AK5536 Datasheet, PDF (7/69 Pages) Asahi Kasei Microsystems – 6-Channel Differential 32-bit  ADC

[AK5536]
No. Pin Name I/O
Function
56 ^HPFE
I
High Pass Filter Enable Pin
“L”: HPF Disable, “H”: HPF Enable
DCKS
I Master Clock Frequency Select at DSD Mode (DSD Only)
LDO Enable Pin
57 LDOE
I “L”: LDO Disable, “H”: LDO Enable
This pin is pulled down by 100 kΩ internally.
58 ODP
I Optimal Data Placement Mode Select Pin
59 AIN1P
I Channel 1 Positive Input Pin
60 AIN1N
I Channel 1 Negative Input Pin
61 VREFL1
I ADC Low Level Voltage Reference Input Pin
62 VREFH1
I ADC High Level Voltage Reference Input Pin
63 AIN2N
I Channel 2 Negative Input Pin
64 AIN2P
I Channel 2 Positive Input Pin
Note 1. All digital input pins must not be allowed to float.
Power Down
Status
-
-
-
-
-
-
-
-
-
■ Handling of Unused Pin
The unused I/O pins should be connected appropriately.
1. PCM Mode
Classification
Analog
Digital
Pin Name
AIN1-6P, AIN1-6N
VREFH1-3
VREFL1-3, TESTIN1-6
TDMIN, TEST
SDTO1-3, OVF, TESTO1-2
2. DSD Mode
Classification
Pin Name
AIN1-6P, AIN1-6N
Analog
VREFH1-3
VREFL1-3, TESTIN1-6
TDM0, TDM1, TEST
Digital
DSDOL1-3, DSDOR1-3, OVF
TESTO1-2
Note 2. Unused channels must be powered down.
Setting
Open
Connect to AVDD
Connect to AVSS
Connect to DVSS
Open
Setting
Open
Connect to AVDD
Connect to AVSS
Connect to DVSS
Open
015099885-E-00
-7-
2016/03