参数资料
型号: AFE7222EVM
厂商: Texas Instruments
文件页数: 62/106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
250
750
1250
1750
2250
2750
3250
3750
Output Code (LSB)
INL
(LSB)
G016
110
100
90
80
70
60
50
40
30
20
10
0
10
5
15
25
35
45
55
Frequency (MHz)
Amplitude
(dBm)
DAC Output Frequency = 10MHz
SFDR = 75dBc
G017
100
90
80
70
60
50
40
30
20
10
0
10
15
40
65
90
115
140
165 180
Frequency (MHz)
Amplitude
(dBm)
DAC Output Frequency = 50MHz
SFDR = 69dBc
G018
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)
INL
vs
OUTPUT CODE
Figure 6-17. INL Plot
6.2
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, CMOS input interface for AFE7222, 32k point FFT (unless otherwise noted)
AMPLITUDE
vs
FREQUENCY
Figure 6-18. Spectrum Analyzer Plot CMOS Mode
Figure 6-19. Spectrum Analyzer Plot CMOS Mode
10MHz IF
50MHz IF
Copyright 2011–2012, Texas Instruments Incorporated
TYPICAL CHARACTERISTICS FOR AFE7222
59
Product Folder Link(s): AFE7222 AFE7225
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