參數資料
型號: ADS62P44IRGCRG4
廠商: Texas Instruments
文件頁數: 27/78頁
文件大?。?/td> 0K
描述: IC ADC 14BIT SER/PAR 105M 64VQFN
產品培訓模塊: Data Converter Basics
標準包裝: 2,000
位數: 14
采樣率(每秒): 105M
數據接口: 串行,并聯
轉換器數目: 2
電壓電源: 模擬和數字
工作溫度: -40°C ~ 85°C
安裝類型: 表面貼裝
封裝/外殼: 64-VFQFN 裸露焊盤
供應商設備封裝: 64-VQFN 裸露焊盤(9x9)
包裝: 帶卷 (TR)
輸入數目和類型: 2 個差分,單極
f Frequency MHz
160
140
120
100
80
60
40
20
0
10
20
30
40
50
60
Amplitude
dB
G001
SFDR = 88.2 dBc
SINAD = 73.7 dBFS
SNR = 73.8 dBFS
THD = 88.2 dBc
f Frequency MHz
160
140
120
100
80
60
40
20
0
10
20
30
40
50
60
Amplitude
dB
G002
SFDR = 86.6 dBc
SINAD = 73.4 dBFS
SNR = 73.7 dBFS
THD = 85.4 dBc
f Frequency MHz
160
140
120
100
80
60
40
20
0
10
20
30
40
50
60
Amplitude
dB
G003
SFDR = 78.9 dBc
SINAD = 71.2 dBFS
SNR = 72.1 dBFS
THD = 77.3 dBc
f Frequency MHz
160
140
120
100
80
60
40
20
0
10
20
30
40
50
60
Amplitude
dB
G004
fIN1 = 190.1 MHz, –7 dBFS
fIN2 = 185.3 MHz, –7 dBFS
2-Tone IMD = –89 dBFS
SFDR = –96 dBFS
fIN Input Frequency MHz
76
78
80
82
84
86
88
90
92
94
0
25
50
75
100
125
150
175
200
SFDR
dBc
G005
Gain = 0 dB
Gain = 3.5 dB
fIN Input Frequency MHz
70
71
72
73
74
75
76
0
25
50
75
100
125
150
175
200
SNR
dBFS
G006
Gain = 0 dB
Gain = 3.5 dB
SLAS561C
– JULY 2007 – REVISED FEBRUARY 2012
TYPICAL CHARACTERISTICS - ADS62P45 (FS= 125 MSPS)
All plots are at 25
°C, AVDD = DRVDD = 3.3 V, maximum rated sampling frequency, sine wave input clock, 1.5 VPP differential
clock amplitude, 50% clock duty cycle,
–1 dBFS differential analog input, internal reference mode, 0 dB gain, CMOS output
interface (unless otherwise noted)
FFT for 20 MHz INPUT SIGNAL
FFT for 70 MHz INPUT SIGNAL
Figure 9.
Figure 10.
FFT for 190 MHz INPUT SIGNAL
INTERMODULATION DISTORTION (IMD) vs FREQUENCY
Figure 11.
Figure 12.
SFDR vs INPUT FREQUENCY
SNR vs INPUT FREQUENCY
Figure 13.
Figure 14.
Copyright
2007–2012, Texas Instruments Incorporated
33
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