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參數資料
| 型號： | THS1031IPWR |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | ADC |
| 英文描述： | 1-CH 10-BIT PROPRIETARY METHOD ADC, PARALLEL ACCESS, PDSO28 |
| 封裝： | GREEN, PLASTIC, TSSOP-28 |
| 文件頁數： | 37/41頁 |
| 文件大?。?/td> | 728K |
| 代理商： | THS1031IPWR |
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THS1031
3-V TO 5.5-V, 10-BIT, 30 MSPS
CMOS ANALOG-TO-DIGITAL CONVERTER
SLAS242E – NOVEMBER 1999 – REVISED MARCH 2002
5
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
electrical characteristics over recommended operating conditions, AVDD = 3 V, DVDD = 3 V,
fs = 30 MSPS/50% duty cycle, MODE = AVDD, 2-V input span from 0.5 V to 2.5 V, external reference,
PGA = 1X, TA = Tmin to Tmax (unless otherwise noted)
analog inputs
PARAMETER
MIN
TYP
MAX
UNIT
VI(AIN)
Analog input voltage
REFBS
REFTS
V
CI
Switched sampling input capacitance
1.2
pF
BW
Full power bandwidth (– 3 dB)
150
MHz
Ilkg
DC leakage current (input =
± FS)
100
A
VREF reference voltages
PARAMETER
MIN
TYP
MAX
UNIT
Internal 1-V reference voltage (REFSENSE = VREF)
0.95
1
1.05
V
Internal 2-V reference voltage (REFSENSE = AVSS)
1.90
2
2.10
V
External reference voltage (REFSENSE = AVDD)
1
2
V
Reference input resistance (REFSENSE = AVDD, MODE = AVDD/2)
18
k
REFTF, REFBF reference voltages
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
Differential input voltage (REFTF – REFBF)
1
2
V
Input common mode voltage (REFTF + REFBF)/2
AVDD = 3 V
1.3
1.5
1.7
V
Input common mode voltage (REFTF + REFBF)/2
AVDD = 5 V
2
2.5
3
V
VREF=1V
AVDD = 3 V
2
V
REFTF voltage (MODE = AVDD)
VREF = 1 V
AVDD = 5 V
3
V
REFTF voltage (MODE = AVDD)
VREF=2V
AVDD = 3 V
2.5
V
VREF = 2 V
AVDD = 5 V
3.5
V
VREF=1V
AVDD = 3 V
1
V
REFBF voltage (MODE = AVDD)
VREF = 1 V
AVDD = 5 V
2
V
REFBF voltage (MODE = AVDD)
VREF=2V
AVDD = 3 V
0.5
V
VREF = 2 V
AVDD = 5 V
1.5
V
Input resistance between REFTF and REFBF
680
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