参数资料
型号: AFE7222EVM
厂商: Texas Instruments
文件页数: 69/106页
文件大小: 0K
描述: EVAL MODULE FOR AFE7222
标准包装: 1
主要目的: 接口,模拟前端(AFE)
嵌入式:
已用 IC / 零件: AFE7222
已供物品:
其它名称: 296-30300
AFE7222EVM-ND
0.85
0.90
0.95
1.00
1.05
68
69
70
71
72
73
74
78
79
80
81
82
83
84
Common-Mode Input Voltage (V)
SNR
(dBFS)
SFDR
(dBc)
SNR
SFDR
Input Frequency = 10MHz
G038
50
40
30
20
10
0
69
69.5
70
70.5
71
71.5
72
72.5
73
20
30
40
50
60
70
80
90
100
Analog Input Amplitude (dBFS)
SNR
(dBFS)
SFDR
(dBc,
dBFS)
SNR
SFDR (dBc)
SFDR (dBFS)
Input Frequency = 10MHz
G040
25
30
35
40
45
50
55
60
65
70
75
67
68
69
70
71
72
74
75
76
77
78
79
Input Clock Duty Cycle (%)
SNR
(dBFS)
THD
(dBc)
SNR
THD
Input Frequency = 10MHz
G039
0.3
0.2
0.1
0
0.1
0.2
0.3
255
755
1255
1755
2255
2755
3255
3755
Output Code (LSB)
DNL
(LSB)
G041
SLOS711B – NOVEMBER 2011 – REVISED MARCH 2012
All plots are at 25°C, AVDD18_ADC=1.8V, DVDD18_CLK=1.8V, DVDD18=1.8V, DVDD18_DAC=1.8V, AVDD3_DAC=3.0V,
AVDD3_AUX=3.0V, maximum rated clock frequency, sine wave input clock. 1.5 VPP differential clock amplitude, 50% clock
duty cycle, –1 dBFS differential analog input, 0 dB gain, LVDS output interface for AFE7225, 32k point FFT (unless otherwise
noted)
SNR and SFDR
vs
COMMON-MODE INPUT VOLTAGE
INPUT CLOCK AMPLITUDE
Figure 7-13. Performance Across Common-Mode
Figure 7-14. Performance Across Input Clock
Input Voltage
Amplitude
SNR and SFDR
DNL
vs
INPUT CLOCK DUTY CYCLE
OUTPUT CODE
Figure 7-15. Performance Across Input Clock Duty
Figure 7-16. DNL Plot
Cycle
Copyright 2011–2012, Texas Instruments Incorporated
TYPICAL CHARACTERISTICS FOR AFE7225
65
Product Folder Link(s): AFE7222 AFE7225
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