AK5720 Datasheet, PDF (4/25 Pages) Asahi Kasei Microsystems – 96kHz 24-Bit ADC

[AK5720]
■ Functions
No. Pin Name I/O
Function
Power Down
Status
Pull-down to VSS
1 VCOM
O ADC Common Voltage Output Pin
with NMOS
(0.5kΩ)
2 RIN
I Rch Input Pin
Hi-z
3 LIN
I Lch Input Pin
Hi-z
4 VSS
- Ground Pin
-
5 VA
- Analog Power Supply Pin
-
6 VD
- Digital Power Supply Pin
-
7 GSEL
I
Input Gain Select Pin
“L”: 0dB, “H”: +15dB
Hi-z
8 REGO
O Regulator Output Pin
Pull-down to VSS
with 500Ω
9 SDTO
O Audio Serial Data Output Pin
“L” (VSS)
10 LRCK
I/O Input/Output Channel Clock Pin
Hi-z
11 MCLK
I Master Clock Input Pin
Hi-z
12 BICK
I/O Audio Serial Data Clock Pin
Hi-z
13 PDN
I
Reset & Power Down Pin
“L”: Reset & Power down, “H” : Normal operation
Hi-z
Audio Data Format Select Pin
14 DIF/TDMI I “L”: MSB justified, “H”: I²S
Hi-z
TDM Data Input Pin
Hi-z
15 FSEL
I
Digital Filter select Pin
“L”: Sharp Roll-Off, “H”: Short Delay Sharp Roll-Off
Hi-z
16 CKS
I
Mode Select Pin
Parasitic capacitance of the pin should be less than 20pF.
Hi-z
Note: All digital input pins must not be allowed to float.
Note: The GSEL pin must be fixed to “H” or “L” when the PDN pin = “H” to avoid starting the test mode.
■ Handling of Unused Pin
Unused I/O pins must be connected appropriately.
Classification
Analog
Pin Name
RIN, LIN
Setting
This pin should be open.
MS1641-E-02
-4-
2014/12