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ADS1174IPAPR bảng dữ liệu(PDF) 4 Page - Texas Instruments

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tên linh kiện ADS1174IPAPR
Giải thích chi tiết về linh kiện  Quad/Octal, Simultaneous Sampling, 16-Bit Analog-to-Digital Converters
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ADS1174IPAPR bảng dữ liệu(HTML) 4 Page - Texas Instruments

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ADS1174
ADS1178
SBAS373 – OCTOBER 2007
ELECTRICAL CHARACTERISTICS (continued)
All specifications at TA = –40°C to +105°C, AVDD = +5V, DVDD = +1.8V, IOVDD = +3.3V, fCLK = 27MHz, VREFP = 2.5V,
VREFN = 0V, and all channels active, unless otherwise noted.
ADS1174, ADS1178
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
VOLTAGE REFERENCE INPUTS
Reference input voltage (VREF)
VREF = VREFP – VREFN
0.5
2.5
3.1
V
Negative reference input (VREFN)
AGND – 0.1
VREFP – 0.5
V
Positive reference input (VREFP)
VREFN + 0.5
AVDD + 0.1
V
High-Speed mode
2.6
k
Ω
ADS1174
Reference Input impedance
Low-Power mode
13
k
Ω
High-Speed mode
1.3
ADS1178
Reference Input impedance
Low-Power mode
6.5
DIGITAL INPUT/OUTPUT (IOVDD = 1.8V to 3.6V)
VIH
0.7 IOVDD
IOVDD
V
VIL
DGND
0.3 IOVDD
V
VOH
IOH = 5mA
0.8 IOVDD
IOVDD
V
VOL
IOL = 5mA
DGND
0.2 IOVDD
V
Input leakage
0 < VIN DIGITAL < IOVDD
±10
μA
Master clock rate (fCLK)
0.1
27
MHz
POWER SUPPLY
AVDD
4.75
5
5.25
V
DVDD
1.65
1.8
1.95
V
IOVDD
1.65
3.3
3.6
V
High-Speed mode
22
TBD
mA
ADS1174
Low-Power mode
5
TBD
mA
AVDD current
Power-Down mode
1
TBD
μA
High-Speed mode
40
TBD
mA
ADS1178
Low-Power mode
9
TBD
mA
AVDD current
Power-Down mode
1
TBD
μA
High-Speed mode
9
TBD
mA
ADS1174
Low-Power mode
2.5
TBD
mA
DVDD current
Power-Down mode
1
TBD
μA
High-Speed mode
17
TBD
mA
ADS1178
Low-Power mode
4.5
TBD
mA
DVDD current
Power-Down mode
1
TBD
μA
High-Speed mode
100
TBD
μA
ADS1174
Low-Power mode
100
TBD
μA
IOVDD current
Power-Down mode
1
TBD
μA
High-Speed mode
150
TBD
μA
ADS1178
Low-Power mode
150
TBD
μA
IOVDD current
Power-Down mode
1
TBD
μA
High-Speed mode
125
TBD
mW
ADS1174
Power dissipation
Low-Power mode
32
TBD
mW
High-Speed mode
225
TBD
mW
ADS1178
Power dissipation
Low-Power mode
60
TBD
mW
4
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Copyright © 2007, Texas Instruments Incorporated
Product Folder Link(s): ADS1174 ADS1178



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