參數(shù)資料
型號(hào): AFE7222IRGC25
廠商: Texas Instruments
文件頁(yè)數(shù): 64/106頁(yè)
文件大小: 0K
描述: IC AFE 12BIT 65/130MSPS 64VQFN
標(biāo)準(zhǔn)包裝: 1
位數(shù): 12
通道數(shù): 4
功率(瓦特): 610mW
電壓 - 電源,模擬: 2.85 V ~ 3.6 V
電壓 - 電源,數(shù)字: 1.7 V ~ 1.9 V
封裝/外殼: 64-VFQFN 裸露焊盤
供應(yīng)商設(shè)備封裝: 64-VQFN 裸露焊盤(9x9)
包裝: 標(biāo)準(zhǔn)包裝
其它名稱: 296-30067-6
155
150
145
140
135
130
10
20
30
40
50
DAC Output Frequency (MHz)
Noise
Spectral
Density
(dBc/Hz)
DAC Input Amplitude = 12dBFs
DAC Input Amplitude = 6dBFs
DAC Input Amplitude = 0dBFs
G019
155
150
145
140
135
130
125
120
10
20
30
40
50
DAC Output Frequency (MHz)
Noise
Spectral
Density
(dBc/Hz)
DAC Full-Scale = 2mA
DAC Full-Scale = 10mA
DAC Full-Scale = 20mA
G020
64
68
72
76
80
10
20
30
40
50
60
DAC Output Frequency (MHz)
SFDR
(dBc)
DAC Input = 0dBFS
DAC Input = 6dBFS
DAC Input = 12dBFS
G021
60
65
70
75
80
10
20
30
40
50
DAC Output Frquency (MHz)
SFDR
(dBc)
Interpolation = 1
Interpolation = 2
G022
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, 0 dBFS digital input, 0 dB gain, CMOS input interface for AFE7222, 32k point FFT (unless otherwise noted)
NOISE SPECTRAL DENSITY
vs
DAC OUTPUT FREQUENCY
Figure 6-20. NSD vs Frequency Across Input Scale
Figure 6-21. NSD Vs Iouts
SFDR
vs
DAC OUTPUT FREQUENCY
Figure 6-22. SFDR vs Frequency
Figure 6-23. SFDR vs Interpolation
60
TYPICAL CHARACTERISTICS FOR AFE7222
Copyright 2011–2012, Texas Instruments Incorporated
Product Folder Link(s): AFE7222 AFE7225
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