参数资料
型号: AFE7222IRGCT
厂商: Texas Instruments
文件页数: 70/106页
文件大小: 0K
描述: IC AFE 12BIT 65/130MSPS 64VQFN
标准包装: 1
位数: 12
通道数: 4
功率(瓦特): 610mW
电压 - 电源,模拟: 2.85 V ~ 3.6 V
电压 - 电源,数字: 1.7 V ~ 1.9 V
封装/外壳: 64-VFQFN 裸露焊盘
供应商设备封装: 64-VQFN 裸露焊盘(9x9)
包装: 标准包装
其它名称: 296-30113-6
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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