AK5538VN Datasheet, PDF (65/70 Pages) Asahi Kasei Microsystems – 8-Channel Differential 32-bit ADC

13. Recommended External Circuits
Figure 72 shows recommended external connection.
Mode
Setting
Controller
[AK5538]
Mode
Setting
AIN1+
AIN1
Analog 3.3V ₊
20
100 0.1
AIN2
AIN2+
DIF0/
49 _DSDSEL0
50 _DIF1/DSDSEL1
51 _TDM0
52 _TDM1
53 _{PSN/CAD0_SPI}
54 _I2C
55 _DP
56 _HPFE/DCKS
57 _LDOE
58 _ODP
59 _AIN1P
60 _AIN1N
61 _VREFL1
62 _VREFH1
63 _AIN2N
64 _AIN2P
AK5538
Top View
MSN 32
PW2 31
PW1 30
PW0 29
PDN 28
VDD18 27
DVSS 26
TVDD 25
MCLK 24
TEST 23
AIN8P ²²
AIN8N ²¹
VREFL4 ²⁰
VREFH4 ¹⁹
AIN7N ¹⁸
AIN7P ¹⁷
Mode
Setting
0.1 4.7
+
Controller
+
0.1 10
Digital 3.3V
Mater Clock
AIN8+
AIN8
+ ^{Analog 3.3V}
0.1 100
20
AIN7
AIN7+
Figure 72. Typical Connection Diagram
Note 27. All digital input pins must not be allowed to float.
015099878-E-00
- 65 -
2016/03