參數(shù)資料
型號： THS1209IDAR
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
文件頁數(shù)： 32/33頁
文件大?。?/td> 312K
代理商： THS1209IDAR
THS1209
SLAS288B – JULY 2000 – REVISED DECEMBER 2002
www.ti.com
8
TYPICAL CHARACTERISTICS
Figure 5
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85
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23
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67
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TOTAL HARMONIC DISTORTION
vs
SAMPLING FREQUENCY (DIFFERENTIAL)
AVDD = 5 V, DVDD = BVDD = 3 V,
fIN = 500 kHz, AIN = –1 dBFS
fs – Sampling Frequency – MHz
THD
–
T
otal
Harmonic
Distortion
–
dB
Figure 6
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70
75
80
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23
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67
89
SIGNAL-TO-NOISE AND DISTORTION
vs
SAMPLING FREQUENCY (DIFFERENTIAL)
fs – Sampling Frequency – MHz
SINAD
–
Signal-to-Noise
and
Distortion
–
dB
AVDD = 5 V, DVDD = BVDD = 3 V,
fIN = 500 kHz, AIN = –1 dBFS
Figure 7
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55
60
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75
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23
45
67
89
SPURIOUS FREE DYNAMIC RANGE
vs
SAMPLING FREQUENCY (DIFFERENTIAL)
fs – Sampling Frequency – MHz
SFDR
–
Spurious
Free
Dynamic
Range
–
dB
AVDD = 5 V, DVDD = BVDD = 3 V,
fIN = 500 kHz, AIN = –1 dBFS
Figure 8
SIGNAL-TO-NOISE
vs
SAMPLING FREQUENCY (DIFFERENTIAL)
fs – Sampling Frequency – MHz
SNR
–
Signal-to-Noise
–
dB
40
45
50
55
60
65
70
75
80
01
23
45
67
89
AVDD = 5 V, DVDD = BVDD = 3 V,
fIN = 500 kHz, AIN = –1 dBFS
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