Maxim MAX12557 User Manual download pdf (Page 13)

MAX12557

Dual, 65Msps, 14-Bit, IF/Baseband ADC

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PIN NAME FUNCTION

28 D0B Channel B CMOS Digital Output, Bit 0 (LSB)

29 D1B Channel B CMOS Digital Output, Bit 1

30 D2B Channel B CMOS Digital Output, Bit 2

31 D3B Channel B CMOS Digital Output, Bit 3

32 D4B Channel B CMOS Digital Output, Bit 4

33 D5B Channel B CMOS Digital Output, Bit 5

34 D6B Channel B CMOS Digital Output, Bit 6

35 D7B Channel B CMOS Digital Output, Bit 7

36 D8B Channel B CMOS Digital Output, Bit 8

37 D9B Channel B CMOS Digital Output, Bit 9

38 D10B Channel B CMOS Digital Output, Bit 10

39 D11B Channel B CMOS Digital Output, Bit 11

40 D12B Channel B CMOS Digital Output, Bit 12

41 D13B Channel B CMOS Digital Output, Bit 13 (MSB)

42 DORB

Channel B Data Out-of-Range Indicator. The DORB digital output indicates when the channel B analog

input voltage is out of range.

DORB = 1: Digital outputs exceed full-scale range.

DORB = 0: Digital outputs are within full-scale range.

44 DAV

Data-Valid Digital Output. The rising edge of DAV indicates that data is present on the digital outputs.

The MAX12557 evaluation kit utilizes DAV to latch data into any external back-end digital logic.

45 D0A Channel A CMOS Digital Output, Bit 0 (LSB)

46 D1A Channel A CMOS Digital Output, Bit 1

47 D2A Channel A CMOS Digital Output, Bit 2

48 D3A Channel A CMOS Digital Output, Bit 3

49 D4A Channel A CMOS Digital Output, Bit 4

50 D5A Channel A CMOS Digital Output, Bit 5

51 D6A Channel A CMOS Digital Output, Bit 6

52 D7A Channel A CMOS Digital Output, Bit 7

53 D8A Channel A CMOS Digital Output, Bit 8

54 D9A Channel A CMOS Digital Output, Bit 9

55 D10A Channel A CMOS Digital Output, Bit 10

56 D11A Channel A CMOS Digital Output, Bit 11

57 D12A Channel A CMOS Digital Output, Bit 12

58 D13A Channel A CMOS Digital Output, Bit 13 (MSB)

59 DORA

Channel A Data Out-of-Range Indicator. The DORA digital output indicates when the channel A analog

input voltage is out of range.

DORA = 1: Digital outputs exceed full-scale range.

DORA = 0: Digital outputs are within full-scale range.

64 G/T

Output Format Select Digital Input.

G/T = GND: Two’s-complement output format selected.

G/T = OV

: Gray-code output format selected.

Pin Description (continued)

1 2 ... 8 9 10 11 12 13 14 15 16 17 18 ... 27 28

MAX12557 1

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Maxim MAX12557 User Manual Page 13

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