AD6644 datasheet(10/25 Pages) AD

部件名	AD6644

功能描述	Analog-to-Digital Converter

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制造商	AD [Analog Devices]

网页	http://www.analog.com

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10 / 25 page

AD6644

Rev. D | Page 9 of 24

TYPICAL PERFORMANCE CHARACTERISTICS

FREQUENCY (MHz)

0

–120

–130

–110

–100

–90

–80

–70

–60

–50

–40

–30

–20

–10

ENCODE = 65MSPS

AIN = 2.2MHz @ –1dBFS

SNR = 74.5dB

SFDR = 92dBc

0

5

10

15

20

25

30

Figure 4. Single Tone at 2.2. MHz

FREQUENCY (MHz)

0

–120

–130

–110

–100

–90

–80

–70

–60

–50

–40

–30

–20

–10

0

5

10

15

20

25

30

ENCODE = 65MSPS

AIN = 15.5MHz @ –1dBFS

SNR = 74dB

SFDR = 90dBc

Figure 5. Single Tone at 15.5 MHz

FREQUENCY (MHz)

0

–120

–130

–110

–100

–90

–80

–70

–60

–50

–40

–30

–20

–10

ENCODE = 65MSPS

AIN = 30MHz @ –1dBFS

SNR = 73.5dB

SFDR = 85dBc

0

5

10

15

20

25

30

Figure 6. Single Tone at 30 MHz

FREQUENCY (MHz)

74.5

73.5

72.5

72.0

74.0

73.0

75.0

T = –25°C

T = +25°C

T = +85°C

0

5

10

15

20

25

30

ENCODE = 65MSPS, AIN = –1dBFS

TEMP = –25°C, +25°C, +85°C

Figure 7. Noise vs. Analog Frequency (Nyquist)

ANALOG INPUT FREQUENCY (MHz)

92

86

82

80

90

84

88

94

0

5

10

15

20

25

30

T = –25°C, +85°C

T = +25°C

ENCODE = 65MSPS, AIN = –1dBFS

TEMP = –25°C, +25°C, +85°C

Figure 8. Harmonics vs. Analog Frequency (Nyquist)

ANALOG FREQUENCY (MHz)

74

71

69

68

73

70

72

75

AIN = –1dBFS

ENCODE = 65MSPS

LOW NOISE ANALOG SOURCE

PHASE NOISE OF ANALOG SOURCE

DEGRADES PERFORMANCE

0

1020

3040

5060708090

100

Figure 9. Noise vs. Analog Frequency (IF)

类似零件编号 - AD6644

制造商	部件名	数据表	功能描述
Analog Devices	AD6644	1Mb / 19P	14-Bit, 40 MSPS/65 MSPS A/D Converter REV. 0
	AD6644AST-40	1Mb / 19P	14-Bit, 40 MSPS/65 MSPS A/D Converter REV. 0
	AD6644AST-65	1Mb / 19P	14-Bit, 40 MSPS/65 MSPS A/D Converter REV. 0
	AD6644PCB	1Mb / 19P	14-Bit, 40 MSPS/65 MSPS A/D Converter REV. 0
	AD6644ST	1Mb / 19P	14-Bit, 40 MSPS/65 MSPS A/D Converter REV. 0

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