參數(shù)資料
型號(hào): THS12082CDAR
廠商: TEXAS INSTRUMENTS INC
元件分類: ADC
英文描述: 2-CH 12-BIT PROPRIETARY METHOD ADC, PARALLEL ACCESS, PDSO32
封裝: GREEN, PLASTIC, TSSOP-32
文件頁(yè)數(shù): 26/42頁(yè)
文件大小: 840K
代理商: THS12082CDAR
THS12082
12-BIT, 8 MSPS, SIMULTANEOUS SAMPLING ANALOG-TO-DIGITAL CONVERTERS
SLAS271B – MAY 2000 – REVISED DECEMBER 2002
32
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
TYPICAL CHARACTERISTICS
Figure 31
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0
0.5
1.0
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2.0
2.5
3.0
3.5
4.0
TOTAL HARMONIC DISTORTION
vs
INPUT FREQUENCY (DIFFERENTIAL)
AVDD = 5 V, DVDD = BVDD = 3 V,
fs = 8 MSPS, AIN = –1 dBFS
fi – Input Frequency – MHz
THD
T
otal
Harmonic
Distortion
dB
Figure 32
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80.00
0
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2.5
3.0
3.5
4.0
SIGNAL-TO-NOISE AND DISTORTION
vs
INPUT FREQUENCY (DIFFERENTIAL)
SINAD
Signal-to-Noise
and
Distortion
dB
AVDD = 5 V, DVDD = BVDD = 3 V,
fs = 8 MSPS, AIN = –1 dBFS
fi – Input Frequency – MHz
Figure 33
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3.0
3.5
4.0
SPURIOUS FREE DYNAMIC RANGE
vs
INPUT FREQUENCY (DIFFERENTIAL)
SFDR
Spurious
Free
Dynamic
Range
dB
AVDD = 5 V, DVDD = BVDD = 3 V,
fs = 8 MSPS, AIN = –1 dBFS
fi – Input Frequency – MHz
40.00
45.00
50.00
55.00
60.00
65.00
70.00
75.00
80.00
0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
Figure 34
AVDD = 5 V, DVDD = BVDD = 3 V,
fs = 8 MSPS, AIN = –1 dBFS
fi – Input Frequency – MHz
SIGNAL-TO-NOISE
vs
INPUT FREQUENCY (DIFFERENTIAL)
SNR
Signal-to-Noise
dB
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