8-/4-/2-Channel, 14-Bit, Simultaneous-Sampling ADCs

with ±10V, ±5V, and 0 to +5V Analog Input Ranges

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11

Pin Description (continued)

PIN

MAX1316

MAX1320

MAX1324

MAX1317

MAX1321

MAX1325

MAX1318

MAX1322

MAX1326

NAME

FUNCTION

27

27

27

D3

Digital I/O Bit 3 of 14-Bit Parallel Data Bus. High impedance when

RD = 1 or CS = 1.

28

28

28

D4

Digital I/O Bit 4 of 14-Bit Parallel Data Bus. High impedance when

RD = 1 or CS = 1.

29

29

29

D5

Digital I/O Bit 5 of 14-Bit Parallel Data Bus. High impedance when

RD = 1 or CS = 1.

30

30

30

D6

Digital I/O Bit 6 of 14-Bit Parallel Data Bus. High impedance when

RD = 1 or CS = 1.

31

31

31

D7

Digital I/O Bit 7 of 14-Bit Parallel Data Bus. High impedance when

RD = 1 or CS = 1.

32

32

32

D8

Digital Out Bit 8 of 14-Bit Parallel Data Bus. High impedance when

RD = 1 or CS = 1.

33

33

33

D9

Digital Out Bit 9 of 14-Bit Parallel Data Bus. High impedance when

RD = 1 or CS = 1.

34

34

34

D10

Digital Out Bit 10 of 14-Bit Parallel Data Bus. High impedance when

RD = 1 or CS = 1.

35

35

35

D11

Digital Out Bit 11 of 14-Bit Parallel Data Bus. High impedance when

RD = 1 or CS = 1.

36

36

36

D12

Digital Out Bit 12 of 14-Bit Parallel Data Bus. High impedance when

RD = 1 or CS = 1.

37

37

37

D13

Digital Out Bit 13 of 14-Bit Parallel Data Bus. High impedance when

RD = 1 or CS = 1.

38

38

38

to DGND with a 0.1µF capacitor.

39

39

39

DGND

DGND to AGND at only one point (see the Layout, Grounding, and

Bypassing section).

40

40

40

EOC

End-of-Conversion Output. EOC goes low to indicate the end of a

conversion. EOC returns high after one clock period.