参数资料
型号: THS1209IDAG4
厂商: TEXAS INSTRUMENTS INC
元件分类: ADC
英文描述: 2-CH 12-BIT PROPRIETARY METHOD ADC, PARALLEL ACCESS, PDSO32
封装: GREEN, PLASTIC, TSSOP-32
文件页数: 31/33页
文件大小: 312K
代理商: THS1209IDAG4
THS1209
SLAS288B – JULY 2000 – REVISED DECEMBER 2002
www.ti.com
7
TYPICAL CHARACTERISTICS
Figure 1
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89
TOTAL HARMONIC DISTORTION
vs
SAMPLING FREQUENCY (SINGLE-ENDED)
AVDD = 5 V, DVDD = BVDD = 3 V,
fIN = 500 kHz, AIN = –1 dBFS
fs – Sampling Frequency – MHz
THD
T
otal
Harmonic
Distortion
dB
Figure 2
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70
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67
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SIGNAL-TO-NOISE AND DISTORTION
vs
SAMPLING FREQUENCY (SINGLE-ENDED)
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 3
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SPURIOUS FREE DYNAMIC RANGE
vs
SAMPLING FREQUENCY (SINGLE-ENDED)
fs – Sampling Frequency – MHz
SFDR
Spurious
Free
Dynamic
Range
dB
AVDD = 5 V, DVDD = BVDD = 3 V,
fIN = 500 kHz, AIN = –1 dBFS
Figure 4
SIGNAL-TO-NOISE
vs
SAMPLING FREQUENCY (SINGLE-ENDED)
fs – Sampling Frequency – MHz
SNR
Signal-to-Noise
dB
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55
60
65
70
01
23
45
67
89
AVDD = 5 V, DVDD = BVDD = 3 V,
fIN = 500 kHz, AIN = –1 dBFS
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