参数资料
型号: ADS6242IRGZTG4
厂商: TEXAS INSTRUMENTS INC
元件分类: ADC
英文描述: 2-CH 14-BIT PROPRIETARY METHOD ADC, SERIAL ACCESS, PQCC48
封装: 7 X 7 MM, GREEN, PLASTIC, QFN-48
文件页数: 20/76页
文件大小: 3497K
代理商: ADS6242IRGZTG4
www.ti.com
TYPICAL CHARACTERISTICS - ADS6245 (Fs = 125 MSPS)
f Frequency MHz
160
140
120
100
80
60
40
20
0
10
20
30
40
50
60
Amplitude
dB
G001
SFDR = 88 dBc
SINAD = 74 dBFS
SNR = 74.3 dBFS
THD = 87.6 dBc
f Frequency MHz
160
140
120
100
80
60
40
20
0
10
20
30
40
50
60
Amplitude
dB
G002
SFDR = 86 dBc
SINAD = 72.63 dBFS
SNR = 72.76 dBFS
THD = 85 dBc
f Frequency MHz
160
140
120
100
80
60
40
20
0
10
20
30
40
50
60
Amplitude
dB
G003
SFDR = 77.9 dBc
SINAD = 68 dBFS
SNR = 69.2 dBFS
THD = 75.3 dBc
f Frequency MHz
160
140
120
100
80
60
40
20
0
10
20
30
40
50
60
Amplitude
dB
G004
fIN1 = 185.1 MHz, –7 dBFS
fIN2 = 190.1 MHz, –7 dBFS
2-Tone IMD = –86 dBFS
SFDR = –95 dBFS
fIN Input Frequency MHz
74
76
78
80
82
84
86
88
90
92
0
50
100
150
200
250
SFDR
dBc
G005
Gain = 0 dB
Gain = 3.5 dB
fIN Input Frequency MHz
67
68
69
70
71
72
73
74
75
0
50
100
150
200
250
SNR
dBFS
G006
Gain = 0 dB
Gain = 3.5 dB
SLAS542A – MAY 2007 – REVISED JULY 2007
All plots are at 25
°C, AVDD = LVDD = 3.3 V, maximum rated sampling frequency, sine wave input clock, 1.5 V
PP differential
clock amplitude, 50% clock duty cycle, –1 dBFS differential analog input, internal reference mode, 0 dB gain (unless
otherwise noted)
FFT for 10 MHz INPUT SIGNAL
FFT for 100 MHz INPUT SIGNAL
Figure 6.
Figure 7.
FFT for 230 MHz INPUT SIGNAL
INTERMODULATION DISTORTION (IMD) vs FREQUENCY
Figure 8.
Figure 9.
SFDR vs INPUT FREQUENCY
SNR vs INPUT FREQUENCY
Figure 10.
Figure 11.
Copyright 2007, Texas Instruments Incorporated
27
Product Folder Link(s): ADS6245 ADS6244 ADS6243 ADS6242
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