MAX11311 Datasheet, PDF (19/51 Pages) Maxim Integrated Products – PIXI, 12-Port Programmable Mixed-Signal I/O with 12-Bit ADC, 12-Bit DAC, Analog Switches, and GPIO

MAX11311
PIXI, 12-Port Programmable Mixed-Signal I/O with
12-Bit ADC, 12-Bit DAC, Analog Switches, and GPIO
Pin Description
PIN
NAME
1
DVDD
2
DIN
3
SCLK
4
CSB
5
DOUT
6
INT
7
CNVT
8
ADC_INT_REF
9
DAC_REF
10
11
12
13
14
15
16
17
18,27
19
20
21
22
23
24
25
26
28
29
30
31
32
—
D0P
D0N
AVDD
AGND
PORT0
D1P
D1N
PORT1
AVDDIO
PORT2
PORT3
PORT4
PORT5
AVSSIO
PORT6
PORT7
AGND1
PORT8
PORT9
PORT10
PORT11
DGND
EP
FUNCTION
Positive Digital Supply
Serial Interface Data Input
Serial Interface Clock Input
Serial Interface Chip-Select. Active-low.
Serial Interface Data Output
Interrupt Open-Drain Output. Active-low.
ADC Trigger Control Input. Active-low.
ADC Internal Voltage Reference Output. Connect a bypass capacitor at this pin (4.7µF to 10µF).
DAC External/Internal Voltage Reference Input. Connect a bypass capacitor at this pin
(4.7µF to 10µF).
1^st External Temperature Sensor Positive Input
1^st External Temperature Sensor Negative Input
Positive Analog Supply
Analog Ground
Configurable Mixed-Signal Port 0
2^nd External Temperature Sensor Positive Input
2^nd External Temperature Sensor Negative Input
Configurable Mixed-Signal Port 1
Analog Positive Supply For Mixed-Signal Ports. Connect both pins to AVDDIO.
Configurable Mixed-Signal Port 2
Configurable Mixed-Signal Port 3
Configurable Mixed-Signal Port 4
Configurable Mixed-Signal Port 5
Analog Negative Supply for Mixed-Signal Ports.
Configurable Mixed-Signal Port 6
Configurable Mixed-Signal Port 7
Analog Ground
Configurable Mixed-Signal Port 8
Configurable Mixed-Signal Port 9
Configurable Mixed-Signal Port 10
Configurable Mixed-Signal Port 11
Digital Ground
Exposed Pad. Connect EP to AVSSIO.
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