AK5397 Datasheet, PDF (6/44 Pages) Asahi Kasei Microsystems – 32-Bit Stereo Premium ADC

[AK5397]
No. Pin Name Power I/O
Function
29 MONO
D
I
Stereo/Mono mode Select Pin
“L”: Stereo mode, “H”: Mono mode
30 AVSS
A - Analog Ground Pin, 0V
31 TEST2
A
I
Test Pin
This pin must be connected to AVSS.
32 RIN-
A I Rch Negative Analog Input Pin
33 RIN+
A I Rch Positive Analog Input Pin
34 VREFLR
A
I
Rch Negative Reference Voltage Input Pin
Normally connected to AVSS.
Rch Positive Reference Voltage Input Pin, 4.75 ~ 5.25V
35 VREFHR A I Normally connected to the VREFLR pin with a large electrolytic
capacitor and a 0.1F ceramic capacitor.
36 AVSS
A - Analog Ground Pin, 0V
37 AVDD1
A - Analog Power Supply Pin, 4.75 ~ 5.25V
38 TOUT
A
I
TEST Pin
This pin must be Connected to AVSS.
Common Voltage Output Pin, AVDD/2
39 VCOM
A O Normally connected to AVSS with a 0.1F ceramic capacitor in
parallel with a 10F electrolytic capacitor.
40 TEST3
A
I
Test Pin
This pin must be connected to AVSS.
41 AVDD2
A - Analog Power Supply Pin, 4.75 ~ 5.25V
42 AVSS
A - Analog Ground Pin, 0V
Lch Positive Reference Voltage Input Pin, 4.75 ~ 5.25V
43 VREFHL A I Normally connected to the VREFLL pin with a large electrolytic
capacitor and a 0.1F ceramic capacitor.
44 VREFLL
A
I
Lch Negative Reference Voltage Input Pin
Normally connected to AVSS.
Note 1. All digital input pins must not be left floating.
■ Handling of Unused Pin
The unused I/O pin must be processed as below.
Classification
Digital
Analog
Pin Name
TEST1/2/3, TOUT
TDMIN1/2
SDTO1, SDTO2, OVF
LIN+, LIN-
RIN+, RIN-
Setting
This pin must be connected to AVSS.
This pin must be connected to DVSS.
This pin must be open.
Connect the LIN+ pin and the LIN- pin.
Connect the RIN+ pin and the RIN- pin.
014011535-E-00
-6-
2014/11