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: 28/76页
文件大小: 3497K
代理商: ADS6242IRGZTG4
www.ti.com
fIN Input Frequency MHz
76
78
80
82
84
86
88
90
92
94
10
30
50
70
90
110 130 150 170 190 210 230
SFDR
dBc
G043
Input adjusted to get 1dBFS input
1 dB
6 dB
2 dB
4 dB
3 dB
5 dB
0 dB
fIN Input Frequency MHz
65
66
67
68
69
70
71
72
73
74
75
20
40
60
80
100
120
140
160
180
200
220
SINAD
dBFS
G044
2 dB
5 dB
1 dB
0 dB
3 dB
3.5 dB
4 dB
6 dB
SNR
dBFS
72
73
74
75
76
77
78
AVDD Supply Voltage V
82
84
86
88
90
92
94
3.0
3.1
3.2
3.3
3.4
3.5
3.6
SFDR
dBc
G045
SNR
SFDR
fIN = 50.1 MHz
LVDD = 3.3 V
SNR
dBFS
70
71
72
73
74
75
76
LVDD Supply Voltage V
86
87
88
89
90
91
92
3.0
3.1
3.2
3.3
3.4
3.5
3.6
SFDR
dBc
G046
fIN = 50.1 MHz
AVDD = 3.3 V
SNR
SFDR
50
55
60
65
70
75
80
85
90
Input Amplitude dBFS
30
40
50
60
70
80
90
100
110
60
50
40
30
20
10
0
fIN = 20 MHz
SFDR
dBc,
dBFS
G048
SNR
dBFS
SFDR (dBc)
SFDR (dBFS)
SNR (dBFS)
SNR
dBFS
73
74
75
76
77
78
T Temperature
°C
82
84
86
88
90
92
40
20
0
20
40
60
80
SFDR
dBc
G047
fIN = 50.1 MHz
SNR
SFDR
SLAS542A – MAY 2007 – REVISED JULY 2007
TYPICAL CHARACTERISTICS - ADS6243 (Fs = 80 MSPS) (continued)
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)
SFDR vs INPUT FREQUENCY ACROSS GAINS
SINAD vs INPUT FREQUENCY ACROSS GAINS
Figure 48.
Figure 49.
PERFORMANCE vs AVDD
PERFORMANCE vs LVDD
Figure 50.
Figure 51.
PERFORMANCE vs TEMPERATURE
PERFORMANCE vs INPUT AMPLITUDE
Figure 52.
Figure 53.
34
Copyright 2007, Texas Instruments Incorporated
Product Folder Link(s): ADS6245 ADS6244 ADS6243 ADS6242
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