参数资料
型号: AFE7222IRGCR
厂商: Texas Instruments
文件页数: 58/106页
文件大小: 0K
描述: IC AFE 12BIT 65/130MSPS 64VQFN
标准包装: 2,000
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: 带卷 (TR)
120
110
100
90
80
70
60
50
40
30
20
10
0
6.5
13
19.5
26
32.5
Frequency (MHz)
Amplitude
(dBFS)
SNR = 71.2dBFS
SINAD = 71.1dBFS
THD = 86.1dBc
SFDR = 88.3dBc
G001
120
110
100
90
80
70
60
50
40
30
20
10
0
6.5
13
19.5
26
32.5
Frequency (MHz)
Amplitude
(dBFS)
SNR = 70.2dBFS
SINAD = 69.6dBFS
SFDR = 79.2dBc
THD = 77.3dBc
G002
120
110
100
90
80
70
60
50
40
30
20
10
0
6.5
13
19.5
26
32.5
Frequency (MHz)
Amplitude
(dBFS)
Each Tone at 7dBFS
Amplitude
fIN1 = 50.1MHz
fIN2 = 55.1MHz
Two-Tone IMD = 77.5dBc
G003
120
110
100
90
80
70
60
50
40
30
20
10
0
6.5
13
19.5
26
32.5
Frequency (MHz)
Amplitude
(dBFS)
SNR = 71.2dBFS
SINAD = 71.1dBFS
THD = 86.1dBc
SFDR = 88.3dBc
G001
SLOS711B – NOVEMBER 2011 – REVISED MARCH 2012
6
TYPICAL CHARACTERISTICS FOR AFE7222
6.1
RECEIVE 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, –1 dBFS differential analog input, 0 dB gain, CMOS output interface for AFE7222, 32k point FFT (unless
otherwise noted)
AMPLITUDE
vs
FREQUENCY
Figure 6-1. FFT Plot 10MHz 65MSPS
Figure 6-2. FFT Plot 70MHz 65MSPS
AMPLITUDE
vs
FREQUENCY
Figure 6-3. FFT Two-Tone Signal
Figure 6-4. Spectrum With Decimation Filter OFF
Copyright 2011–2012, Texas Instruments Incorporated
TYPICAL CHARACTERISTICS FOR AFE7222
55
Product Folder Link(s): AFE7222 AFE7225
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