Datasheet
11Maxim Integrated
MAX11329–MAX11332
3Msps, 12-/10-Bit, 8-/16-Channel ADCs with
Post-Mux External Signal Conditioning Access
Pin Configurations
Pin Description
MAX11329
MAX11331
(16 CHANNEL)
MAX11330
MAX11332
(8 CHANNEL)
NAME FUNCTION
29–32 , 1–10 — AIN0–AIN13 Analog Inputs
— 29–32, 1–4 AIN0–AIN7 Analog Inputs
11 11 AOP Positive Output from the Multiplexer
12 12 AON Negative Output from the Multiplexer
13 13 AIP Positive Input to the ADC
14 14 AIN Negative Input to the ADC
15 —
CNVST/
AIN14
Active-Low Conversion Start Input/Analog Input 14
— 15 CNVST Active-Low Conversion Start Input
16 — REF-/AIN15 External Differential Reference Negative Input /Analog Input 15
— 16 REF- External Differential Reference Negative Input
17, 19 5–10, 17, 19 GND Ground
18 18 REF+
External Positive Reference Input. Apply a reference voltage at REF+. Bypass to
GND with a 0.47FF capacitor.
MAX11329
MAX11331
TQFN
16 CHANNEL
TOP VIEW
29
30
28
27
12
11
13
AIN5
AIN7
AIN8
AIN9
AIN10
14
AIN4
CS
V
DD
V
DD
DIN
GND
REF+
12
EOC
4567
2324 22 20 19 18
AIN0
AIN1
AIN
AIP
AON
AOP
AIN6
SCLK
3
21
31
10
AIN2
AIN13
32
9
AIN3
AIN12
+
DOUT
26
15
CNVST/AIN14
OVDD
25
16
REF-/AIN15
AIN11
GND
8
17
DGND
MAX11330
MAX11332
TQFN
8 CHANNEL
29
30
28
27
12
11
13
AIN5
AIN7
GND
GND
GND
14
AIN4
CS
V
DD
V
DD
DIN
GND
REF+
12
EOC
4567
2324 22 20 19 18
AIN0
AIN1
AIN
AIP
AON
AOP
AIN6
SCLK
3
21
31
10
AIN2
GND
32
9
AIN3
GND
+
DOUT
26
15
CNVST
OVDD
25
16
REF-
GND
GND
8
17
DGND