参数资料
型号: AFE7222EVM
厂商: Texas Instruments
文件页数: 60/106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
1.70
1.75
1.80
1.85
1.90
69
69.5
70
70.5
71
71.5
72
78
80
82
84
86
88
90
Supply Voltage (V)
SNR
(dBFS)
SFDR
(dBc)
SNR
SFDR
Input Frequency = 10MHz
G010
80
82
84
86
88
90
40
15
10
35
60
85
Temperature (°C)
SFDR
(dBc)
AVDD18_ADC = 1.7V
AVDD18_ADC = 1.8V
AVDD18_ADC = 1.9V
Input frequency = 10MHz
G009
0.85
0.90
0.95
1.00
1.05
70
70.5
71
71.5
72
79
81
83
85
87
Common-Mode Input Voltage (V)
SNR
(dBFS)
SFDR
(dBc)
SNR
SFDR
Input Frequency = 10MHz
G011
40
35
30
25
20
15
10
5
1
70
70.5
71
71.5
72
72.5
73
73.5
74
20
30
40
50
60
70
80
90
100
Analog Input Amplitude (dB)
SNR
(dBFS)
SFDR
(dBc,
dBFS)
SNR
SFDR(dBc)
SFDR (dBFS)
Input Frequency = 10MHz
G012
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, CMOS output interface for AFE7222, 32k point FFT (unless
otherwise noted)
SFDR
SNR and SFDR
vs
TEMPERATURE
DVDD Supply Voltage
Figure 6-9. SFDR vs Temperature
Figure 6-10. Performance Across DVDD Supply
Voltage
SNR and SFDR
vs
COMMON-MODE INPUT VOLTAGE
ANALOG INPUT AMPLITUDE
Figure 6-11. Performance Across Common-Mode
Figure 6-12. Performance Across Input Amplitude
Input Voltage
Copyright 2011–2012, Texas Instruments Incorporated
TYPICAL CHARACTERISTICS FOR AFE7222
57
Product Folder Link(s): AFE7222 AFE7225
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