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| 型號： | ADS1602IPFBR |
| 英文描述： | 16-Bit, 2.5MSPS Analog-to-Digital Converter |
| 中文描述： | 16位2.5MSPS模擬到數(shù)字轉換器 |
| 文件頁數(shù)： | 12/26頁 |
| 文件大小： | 397K |
| 代理商： | ADS1602IPFBR |
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SBAS341B DECEMBER 2004 REVISED APRIL 2005
www.ti.com
12
TYPICAL CHARACTERISTICS (continued)
All specifications at TA = 25
°
C, AVDD = 5V, DVDD = IOVDD = 3V, fCLK = 40MHz, External VREF = +3V, VCM = +1.45V, and RBIAS = 37k
,
unless otherwise noted.
Figure 21
80
85
90
95
100
105
110
115
120
10k
100k
1M
Input Frequency, f
IN
(Hz)
TOTAL HARMONIC DISTORTION
vs INPUT FREQUENCY
T
V
IN
=
1dB
V
IN
=
6dB
V
IN
=
10dB
Figure 22
SPURIOUSFREE DYNAMIC RANGE
vs INPUT FREQUENCY
S
Input Frequency, f
IN
(Hz)
130
120
110
100
90
80
70
10k
100k
1M
V
IN
=
10dB
V
IN
=
6dB
V
IN
=
1dB
Figure 23
SIGNALTONOISE RATIO
vs INPUT COMMONMODE VOLTAGE
S
Input CommonMode Voltage, V
CM
(V)
93
92
91
90
89
88
87
86
85
1.0
1.4
1.8
2.2
2.6
3.0
3.4
f
IN
= 10kHz, V
IN
=
1dB
f
IN
= 100kHz, V
IN
=
6dB
f
IN
= 100kHz, V
IN
=
1dB
f
IN
= 10kHz, V
IN
=
6dB
Figure 24
TOTAL HARMONIC DISTORTION
vs INPUT COMMONMODE VOLTAGE
T
Input CommonMode Voltage, V
CM
(V)
70
80
90
100
110
1.0
1.4
1.8
2.2
2.6
3.0
3.4
f
IN
= 10kHz, V
IN
=
1dB
f
IN
= 100kHz, V
IN
=
1dB
f
IN
= 10kHz, V
IN
=
6dB
f
IN
= 100kHz, V
IN
=
6dB
Figure 25
SPURIOUSFREE DYNAMIC RANGE
vs INPUT COMMONMODE VOLTAGE
S
Input CommonMode Voltage, V
CM
(V)
1.0
1.4
1.8
2.2
2.6
3.0
3.4
110
105
100
95
90
85
80
f
IN
= 100kHz, V
IN
=
6dB
f
IN
= 100kHz, V
IN
=
1dB
f
IN
= 10kHz, V
IN
=
6dB
f
IN
= 10kHz
V
IN
=
1dB
Figure 26
3
2
1
0
1
2
3
0
100
200
300
400
Time Interval (s)
500
600
700
800
900 1000
OFFSET DRIFT OVER TIME
O
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