
Pin Description
PIN
NAME
FUNCTION
1
AIN0-
Negative Analog Input Channel 0
2
AIN0+
Positive Analog Input Channel 0
3
REF0
ADC0 Buffered Reference Voltage. Bypass REF0 with a 1μF capacitor to AGND.
4, 8, 10,
29, 31, 35
AGND
Analog Ground
5
AIN1-
Negative Analog Input Channel 1
6
AIN1+
Positive Analog Input Channel 1
7
REF1
ADC1 Buffered Reference Voltage. Bypass REF1 with a 1μF capacitor to AGND.
9
REFIO
Reference Voltage Output/Input. Reference voltage for analog-to-digital conversion. In internal reference
mode, the reference buffer provides a +2.5V nominal output. In external reference mode, overdrive REFIO
with an external reference between 2.3V to 2.7V. Bypass REFIO with a 1μF capacitor to AGND.
38
37
36
35
34
33
32
1
2
3
4
5
6
7
AIN2-
AIN2+
REF2
AGND
REF0
AIN0+
AIN0-
TOP VIEW
MAX11040K
MAX11060
AIN3-
AIN3+
REF3
REF1
AIN1+
31
8
AGND
30
9
AVDD
REFIO
29
10
AGND
28
11
DGND
27
12
DVDD
26
13
XIN
CASCIN
25
14
XOUT
CASCOUT
AIN1-
24
15
SYNC
CS
23
16
DRDYIN
SCLK
22
17
DRDYOUT
DIN
21
18
CLKOUT
DOUT
20
19
OVRFLW
FAULT
TSSOP
+
Pin Configuration
MAX11040K/MAX11060
24-/16-Bit, 4-Channel, Simultaneous-Sampling,
Cascadable, Sigma-Delta ADCs
9
Maxim Integrated