SPT7921SCQ datasheet(6/11 Pages) CADEKA

Part #	SPT7921SCQ

Description	12-BIT, 20 MSPS, TTL, A/D CONVERTER

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Manufacturer	CADEKA [Cadeka Microcircuits LLC.]

Direct Link	http://www.cadeka.com

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6 / 11 page

6

3/10/97

SPT7921

PERFORMANCE CHARACTERISTICS

50

20

30

40

60

70

80

10-1

100

101

THD vs Input Frequency

Input Frequency (MHz)

fs = 20 MSPS

Input Frequency (MHz)

SNR vs Input Frequency

10 -1

100

101

30

40

50

60

70

20

80

fs = 20 MSPS

20

30

40

50

60

70

80

10 -1

100

101

SINAD vs Input Frequency

Input Frequency (MHz)

fs =20 MSPS

100

20

30

40

50

60

70

80

101

102

SNR, THD, SINAD vs Sample Rate

Sample Rate (MSPS)

SNR, THD

SINAD

fIN = 1 MHz

SPT7921

Spectral Response

-120

-90

-60

-30

0

Frequency (MHz)

01

2

3

4

5

fS = 20 MSPS

fIN = 1 MHz

SNR, THD, SINAD vs Temperature

Temperature (°C)

55

60

65

70

75

50

fs = 20 MSPS

fIN = 1 MHz

SINAD

THD

SNR

-25

0

+25

+50

+75

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SPT7921SCQ Datasheet(PDF) 6 Page - Cadeka Microcircuits LLC.

SPT7921SCQ Datasheet(HTML) 6 Page - Cadeka Microcircuits LLC.

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