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ADC3421 数据表(PDF) 28 Page - Texas Instruments

部件名 ADC3421
功能描述  ADC342x Quad-Channel, 12-Bit, 25-MSPS to 125-MSPS, Analog-to-Digital Converter
PDF  80 Pages
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制造商  TI2 [Texas Instruments]
网页  https://www.ti.com
标志 TI2 - Texas Instruments

ADC3421 数据表(HTML) 28 Page - Texas Instruments

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Frequency (MHz)
0
8
16
24
32
40
-120
-110
-100
-90
-80
-70
-60
-50
-40
-30
-20
-10
0
D405
Frequency (MHz)
0
8
16
24
32
40
-120
-110
-100
-90
-80
-70
-60
-50
-40
-30
-20
-10
0
D406
Frequency (MHz)
0
8
16
24
32
40
-120
-110
-100
-90
-80
-70
-60
-50
-40
-30
-20
-10
0
D403
Frequency (MHz)
0
8
16
24
32
40
-120
-110
-100
-90
-80
-70
-60
-50
-40
-30
-20
-10
0
D404
Frequency (MHz)
0
8
16
24
32
40
-120
-110
-100
-90
-80
-70
-60
-50
-40
-30
-20
-10
0
D401
Frequency (MHz)
0
8
16
24
32
40
-120
-110
-100
-90
-80
-70
-60
-50
-40
-30
-20
-10
0
D402
ADC3421, ADC3422, ADC3423, ADC3424
SBAS673A – JULY 2014 – REVISED OCTOBER 2015
www.ti.com
7.17 Typical Characteristics: ADC3423
Typical values are at TA = 25°C, ADC sampling rate = 80 MSPS, 50% clock duty cycle, AVDD = 1.8 V, DVDD = 1.8 V, –1-
dBFS differential input, 2-VPP full-scale, 32k-point FFT, chopper disabled, and SNR reported with a 1-MHz offset from dc
when chopper is disabled and from fS / 2 when chopper is enabled, unless otherwise noted.
SFDR = 89 dBc, SNR = 70.7 dBFS, SINAD = 70.6 dBFS,
SFDR = 84 dBc, SNR = 70.9 dBFS, SINAD = 70.7 dBFS,
THD = 89 dBc, HD2 = 108 dBc, HD3 = 89 dBc
THD = 83 dBc, HD2 = 92 dBc, HD3 = 84 dBc
Figure 61. FFT for 10-MHz Input Signal (Dither On)
Figure 62. FFT for 10-MHz Input Signal (Dither Off)
SFDR = 92 dBc, SNR = 70.5 dBFS, SINAD = 70.4 dBFS,
SFDR = 86 dBc, SNR = 70.7 dBFS, SINAD = 70.5 dBFS,
THD = 91 dBc, HD2 = 112 dBc, HD3 = 92 dBc
THD = 84 dBc, HD2 = 92 dBc, HD3 = 86 dBc
Figure 63. FFT for 70-MHz Input Signal (Dither On)
Figure 64. FFT for 70-MHz Input Signal (Dither Off)
SFDR = 87 dBc, SNR = 70.2 dBFS, SINAD = 70.1 dBFS,
SFDR = 86 dBc, SNR = 70.5 dBFS, SINAD = 70.4 dBFS,
THD = 93 dBc, HD2 = 102 dBc, HD3 = 87 dBc
THD = 88 dBc, HD2 = 86 dBc, HD3 = 97 dBc
Figure 65. FFT for 170-MHz Input Signal (Dither On)
Figure 66. FFT for 170-MHz Input Signal (Dither Off)
28
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Copyright © 2014–2015, Texas Instruments Incorporated
Product Folder Links: ADC3421 ADC3422 ADC3423 ADC3424



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