RHF1401_12 datasheet(19/42 Pages) STMICROELECTRONICS

tên linh kiện	RHF1401

Giải thích chi tiết về linh kiện	Rad-hard 14-bit 30 Msps A/D converter

PDF	42 Pages

Scroll/Zoom	100%

nhà sản xuất	STMICROELECTRONICS [STMicroelectronics]

Trang chủ	http://www.st.com

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19 / 42 page

RHF1401

Electrical characteristics

Doc ID 13317 Rev 8

19/42

Figure 25.

ENOB vs. VREFP

Figure 26.

SINAD vs. VREFP

10.5

11.5

12.5

Fs =

10 ksps

100 ksps

1Msps

9.5

0.8

0.9

1.1

1.2

1.3

1.4

External Vrefp (V)

1 Msps

10 Msps

20 Msps

25 Msps

30 Msps

35 Msps

-70

-65

-60

-55

-50

Fs =

10 ksps

100 ksps

1 Msps

10 Msps

20 Msps

25 Msps

30 Msps

35 Msps

-80

-75

0.8

0.9

1.1

1.2

1.3

1.4

E xternal Vrefp (V)

Figure 27.

SNR vs. VREFP

Figure 28.

THD vs. VREFP

Fs =

10 ksps

100 ksps

1 Msps

0.8

0.9

1.1

1.2

1.3

1.4

E xternal Vrefp (V)

10 Msps

20 Msps

25 Msps

30 Msps

35 Msps

-75

-70

-65

-60

-55

-50

Fs =

10 ks ps

100 ks ps

1 Ms ps

10 Ms ps

20 Ms ps

25 Ms ps

30 Ms ps

35 Ms ps

-90

-85

-80

0.8

0.9

1.1

1.2

1.3

1.4

E xternal Vrefp (V)

Figure 29.

ENOB vs. sine clock, diff. input

Figure 30.

Clock threshold vs. temperature

11.5

Fin =

10 Hz

1 kHz

50 kHz

10.5

1 Ms ps

10 Ms ps

100 Ms ps

S ampling frequenc y

2 MHz

10 MHz

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