Rainbow-electronics MAX1418 Bedienungsanleitung PDF herunterladen (Seite 10)

MAX1418

15-Bit, 65Msps ADC with -78.2dBFS

Noise Floor for IF Applications

10 ______________________________________________________________________________________

Pin Description

PIN NAME FUNCTION

1, 2, 3, 6, 9, 12, 14–17,

20, 23, 26, 27, 30, 52–56, EP

GND

Converter Ground. Analog, digital, and output driver grounds are internally

connected to the same potential. Connect the converter’s EP to GND.

4 CLKP Differential Clock, Positive Input Terminal

5 CLKN Differential Clock, Negative Input Terminal

7, 8, 18, 19, 21, 22, 24, 25, 28

Analog Supply Voltage. Provide local bypassing to ground with 0.1µF to 0.22µF

capacitors.

10 INP Differential Analog Input, Positive Terminal

11 INN Differential Analog Input, Negative/Complementary Terminal

13 CM Common-Mode Reference Terminal

29 DV

Digital Supply Voltage. Provide local bypassing to ground with 0.1µF to 0.22µF

capacitors.

31, 41, 42, 51 DRV

Digital Output Driver Supply Voltage. Provide local bypassing to ground with

0.1µF to 0.22µF capacitors.

32 DOR

Data Overrange Bit. This control line flags an overrange condition in the ADC.

If DOR transitions high, an overrange condition was detected. If DOR remains low,

the ADC operates within the allowable full-scale range.

33 D0 Digital CMOS Output Bit 0 (LSB)

34 D1 Digital CMOS Output Bit 1

35 D2 Digital CMOS Output Bit 2

36 D3 Digital CMOS Output Bit 3

37 D4 Digital CMOS Output Bit 4

38 D5 Digital CMOS Output Bit 5

39 D6 Digital CMOS Output Bit 6

40 D7 Digital CMOS Output Bit 7

43 D8 Digital CMOS Output Bit 8

44 D9 Digital CMOS Output Bit 9

45 D10 Digital CMOS Output Bit 10

46 D11 Digital CMOS Output Bit 11

47 D12 Digital CMOS Output Bit 12

48 D13 Digital CMOS Output Bit 13

49 D14 Digital CMOS Output Bit 14 (MSB)

50 DAV

Data Valid Output. This output can be used as a clock control line to drive an

external buffer or data-acquisition system. The typical delay time between the

falling edge of the converter clock and the rising edge of DAV is 6.5ns.

1 2 ... 5 6 7 8 9 10 11 12 13 14 15 ... 19 20

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