AD5247 查看數據表（PDF） - Analog Devices
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AD5247 Datasheet PDF : 20 Pages
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AD5247
ELECTRICAL CHARACTERISTICS—10 kΩ, 50 kΩ, AND 100 kΩ VERSIONS
VDD = 5 V ± 10% or 3 V ± 10%, VA = VDD, −40°C < TA < +125°C, unless otherwise noted.
Table 2.
Parameter
DC CHARACTERISTICS—RHEOSTAT MODE
Resistor Differential Nonlinearity2
Resistor Integral Nonlinearity2
Nominal Resistor Tolerance3
Resistance Temperature Coefficient3
Output Resistance
DC CHARACTERISTICS—POTENTIOMETER
DIVIDER MODE
Differential Nonlinearity4
Integral Nonlinearity4
Voltage Divider Temperature Coefficient
Full-Scale Error (50 kΩ, 100 kΩ)
Zero-Scale Error (50 kΩ, 100 kΩ)
Full-Scale Error (10 kΩ)
Zero-Scale Error (10 kΩ)
RESISTOR TERMINALS
Voltage Range5
Capacitance A6
Capacitance W6
Common-Mode Leakage
DIGITAL INPUTS AND OUTPUTS
Input Logic High
Input Logic Low
Input Logic High
Input Logic Low
Input Current
Input Capacitance6
Output Logic Low (SDA)
POWER SUPPLIES
Power Supply Range
Supply Current
Power Dissipation7
Power Supply Sensitivity
Symbol Conditions
R-DNL
R-INL
∆RAB
∆RAB/∆T
RWB
RWB, VA = no connect
RWB, VA = no connect
Code = 0x00
DNL
INL
∆VW/∆T
VWFSE
VWZSE
VWFSE
VWZSE
Code = 0x40
Code = 0x7F
Code = 0x00
Code = 0x7F
VDD = 4.5 V to 5.5 V, code = 0x00
VDD = 2.7 V to 4.4 V, code = 0x00
VA, VW
CA
CW
ICM
f = 1 MHz, measured to GND,
code = 0x40
f = 1 MHz, measured to GND,
code = 0x40
VA = VDD/2
VIH
VDD = 5 V
VIL
VDD = 5 V
VIH
VDD = 3 V
VIL
VDD = 3 V
IIL
VIN = 0 V or 5 V
CIL
VOL
IOL = 3 mA
IOL = 6 mA
VDD RANGE
IDD
PDISS
PSSR
VDD = 5.5 V; VIH = VDD or VIL = GND
VDD = 5 V; VIH = VDD or VIL = GND
VDD = 3.3 V; VIH = VDD or VIL = GND
VIH = 5 V or VIL = 0 V, VDD = 5 V
VDD = 5 V ± 10%, code = midscale
Min Typ1
−1 ±0.1
−2 ±0.25
−20
45
75
−1 ±0.1
−1 ±0.2
15
−1 −1
0
0.4
−2 −0.5
0
0.5
0
0.5
GND
45
60
1
2.4
2.1
5
2.7
3
2.5
0.9
±0.01
Data Sheet
Max Unit
+1
LSB
+2
LSB
+20 %
ppm/°C
300 Ω
+1
LSB
+1
LSB
ppm/°C
0
LSB
1
LSB
0
LSB
1
LSB
1.2 LSB
VDD
V
pF
pF
nA
V
0.8 V
V
0.6 V
±1
µA
pF
0.4 V
0.6 V
5.5 V
7
µA
5.2 µA
2
µA
40
µW
±0.02 %/%
Rev. F | Page 4 of 20
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