參數(shù)資料
型號(hào)： TLV1570CPWRG4
廠商： TEXAS INSTRUMENTS INC
元件分類： ADC
英文描述： 8-CH 10-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL ACCESS, PDSO20
封裝： GREEN, TSSOP-20
文件頁數(shù)： 6/32頁
文件大?。?/td> 634K
代理商： TLV1570CPWRG4
TLV1570
2.7 V TO 5.5 V 8-CHANNEL 10-BIT 1.25-MSPS
SERIAL ANALOG-TO-DIGITAL CONVERTER
SLAS169B – DECEMBER 1997– REVISED OCTOBER 2000
14
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
electrical characteristics, over recommended operating free-air temperature range, supply
voltages, and reference voltages (unless otherwise noted) (continued)
ac specifications
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
fs = 1.25 MSPS,
External reference
58
61
fi = 100 kHz,
s
,
AVDD = 5 V
Internal reference
53
56
i
,
70% of FS
fs = 625 KSPS,
External reference
56
61
SNR
Signal to noise ratio
s
,
AVDD = 3 V
Internal reference
53
55
dB
SNR
Signal-to-noise ratio
fs = 1.25 MSPS,
External reference
61
dB
fi = 50 kHz,
s
,
AVDD = 5 V
Internal reference
56
i
,
90% of FS
fs = 625 KSPS,
External reference
61
s
,
AVDD = 3 V
Internal reference
55
fs = 1.25 MSPS,
External reference
55
58
fi = 100 kHz,
s
,
AVDD = 5 V
Internal reference
53
55
i
,
70% of FS
fs = 625 KSPS,
External reference
53
58
SINAD
Signal to noise ratio + distortion
s
,
AVDD = 3 V
Internal reference
52
54
dB
SINAD
Signal-to-noise ratio + distortion
fs = 1.25 MSPS,
External reference
59
dB
fi = 50 kHz,
s
,
AVDD = 5 V
Internal reference
55
i
,
90% of FS
fs = 625 KSPS,
External reference
60
s
,
AVDD = 3 V
Internal reference
55
fs = 1.25 MSPS,
External reference
–60
–55
fi = 100 kHz,
s
,
AVDD = 5 V
Internal reference
–70
–58
i
,
70% of FS
fs = 625 KSPS,
External reference
–60
–55
THD
Total harmonic distortion
s
,
AVDD = 3 V
Internal reference
–66
–58
dB
THD
Total harmonic distortion
fs = 1.25 MSPS,
External reference
–64
dB
fi = 50 kHz
s
,
AVDD = 5 V
Internal reference
–72
i
90% of FS
fs = 625 KSPS,
External reference
–63
s
,
AVDD = 3 V
Internal reference
–68
fs = 1.25 MSPS,
External reference
–63
–57
fi = 100 kHz,
s
,
AVDD = 5 V
Internal reference
–73
–59
i
,
70% of FS
fs = 625 KSPS,
External reference
–61
–57
SFDR
Spurious free dynamic range
s
,
AVDD = 3 V
Internal reference
–68
–60
dB
SFDR
Spurious-free dynamic range
fs = 1.25 MSPS,
External reference
–66
dB
fi = 50 kHz,
s
,
AVDD = 5 V
Internal reference
–75
i
,
90% of FS
fs = 625 KSPS,
External reference
–65
s
,
AVDD = 3 V
Internal reference
–70
fs = 1.25 MSPS,
External reference
8.8
9.3
fi = 100 kHz,
s
,
AVDD = 5 V
Internal reference
8.6
8.9
i
,
70% of FS
fs = 625 KSPS,
External reference
8.6
9.3
ENOB
Effective number of bits
s
,
AVDD = 3 V
Internal reference
8.4
8.8
dB
ENOB
Effective number of bits
fs = 1.25 MSPS,
External reference
9.5
dB
fi = 50 kHz,
s
,
AVDD = 5 V
Internal reference
8.9
i
,
90% of FS
fs = 625 KSPS,
External reference
9.5
s
,
AVDD = 3 V
Internal reference
8.9
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