Datasheet > AD6643_12

AD6643_12

更新时间： 2022-02-26 13:04:42

品牌	Logo	应用领域
亚德诺 - ADI		/
页数	文件大小	规格书
40页	1273K
描述
Dual IF Receiver

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AD6643_12 数据手册

Data Sheet

AD6643

ADC AC SPECIFICATIONS

AVDD = 1.8 V, DRVDD = 1.8 V, maximum sample rate, VIN = −1.0 dBFS differential input, 1.75 V p-p full-scale input range, default SPI,

unless otherwise noted.

Table 2.

AD6643-200

Typ

AD6643-250

Typ

Parameter¹

Temperature

Min

Max

Min

Max

Unit

SIGNAL-TO-NOISE-RATIO (SNR)

NSR Disabled

f_IN= 30 MHz

f_IN= 90 MHz

25°C

Full

25°C

Full

66.6

66.5

66.4

66.2

dBFS

66.2

f_IN= 140 MHz

f_IN= 185 MHz

66.4

66.2

66.1

65.9

65.3

f_IN= 220 MHz

NSR Enabled

22% BW Mode

f_IN= 30 MHz

25°C

66.0

65.6

25°C

Full

25°C

Full

76.1

74.8

74.5

dBFS

f_IN= 90 MHz

74.5

72.0

65.1

f_IN= 140 MHz

f_IN= 185 MHz

75.5

74.7

74.2

73.7

72.6

70.1

64.3

f_IN= 220 MHz

33% BW Mode

f_IN= 30 MHz

25°C

74.2

73.4

25°C

Full

25°C

Full

76.1

73.6

72.3

72.0

dBFS

f_IN= 90 MHz

f_IN= 140 MHz

f_IN= 185 MHz

73.1

72.6

71.7

71.2

f_IN= 220 MHz

SIGNAL-TO-NOISE-AND-DISTORTION (SINAD)

f_IN= 30 MHz

25°C

72.1

70.9

25°C

Full

25°C

Full

65.6

65.5

65.4

65.2

dBFS

f_IN= 90 MHz

f_IN= 140 MHz

f_IN= 185 MHz

65.3

65.1

64.9

f_IN= 220 MHz

25°C

64.9

64.6

WORST SECOND OR THIRD HARMONIC

f_IN= 30 MHz

f_IN= 90 MHz

25°C

Full

25°C

Full

−92

−91

−90

−88

dBc

−80

f_IN= 140 MHz

f_IN= 185 MHz

−88

−86

−85

−80

f_IN= 220 MHz

25°C

−84

−85

Rev. C | Page 5 of 40

1 2 3 456 7 8...40

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