参数资料
型号: AFE7222EVM
厂商: Texas Instruments
文件页数: 70/106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
0.3
0.2
0.1
0
0.1
0.2
0.3
350
850
1350
1850
2350
2850
3350
3750
Output Code (LSB)
INL
(LSB)
G042
110
100
90
80
70
60
50
40
30
20
10
0
10
0
10
20
30
40
50
60
Frequency (MHz)
Amplitude
(dBm)
DAC Output Frequency = 10MHz
SFDR = 74.5dBc
G043
100
90
80
70
60
50
40
30
20
10
0
5
50
100
150
200
Frequency (MHz)
Amplitude
(dBm)
DAC Output Frequency = 50MHz
SFDR = 69.2dBc
G044
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)
INL
vs
OUTPUT CODE
Figure 7-17. INL Plot
7.2
TRANSMIT PATH
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, 0 dBFS digital input, 0 dB gain, LVDS input interface for AFE7225, 32k point FFT (unless otherwise noted)
AMPLITUDE
vs
FREQUENCY
Figure 7-18. Spectrum Analyzer Plot LVDS Mode
Figure 7-19. Spectrum Analyzer Plot LVDS Mode
10MHz IF
50MHz IF
66
TYPICAL CHARACTERISTICS FOR AFE7225
Copyright 2011–2012, Texas Instruments Incorporated
Product Folder Link(s): AFE7222 AFE7225
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