AD5258 查看數據表（PDF） - Analog Devices
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AD5258 Datasheet PDF : 24 Pages
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AD5258
SPECIFICATIONS
ELECTRICAL CHARACTERISTICS
VDD = VLOGIC = 5 V ± 10%, or 3 V ± 10%; VA = VDD; VB = 0 V; −40°C < TA < +85°C, unless otherwise noted.
Table 1.
Parameter
DC CHARACTERISTICS: RHEOSTAT MODE
Resistor Differential Nonlinearity
1 kΩ
10 kΩ/50 kΩ/100 kΩ
Resistor Integral Nonlinearity
1 kΩ
10 kΩ/100 kΩ
50 kΩ
Nominal Resistor Tolerance
1 kΩ
10 kΩ/50 kΩ/100 kΩ
Resistance Temperature Coefficient
Total Wiper Resistance
DC CHARACTERISTICS:
POTENTIOMETER DIVIDER MODE
Differential Nonlinearity
1 kΩ
10 kΩ/50 kΩ/100 kΩ
Integral Nonlinearity
1 kΩ
10 kΩ/50 kΩ/100 kΩ
Full-Scale Error
1 kΩ
10 kΩ
50 kΩ/100 kΩ
Zero-Scale Error
1 kΩ
10 kΩ
50 kΩ/100 kΩ
Voltage Divider Temperature
Coefficient
RESISTOR TERMINALS
Voltage Range
Capacitance A, B
Capacitance W
Common-Mode Leakage
DIGITAL INPUTS AND OUTPUTS
Input Logic High
Input Logic Low
Leakage Current
SDA, AD0, AD1
SCL – Logic High
SCL – Logic Low
Input Capacitance
Symbol
R-DNL
R-INL
RAB
∆RAB
(∆RAB × 106)/(RAB × ∆T)
RWB
DNL
INL
VWFSE
VWZSE
(∆VW × 106)/(VW × ∆T)
VA, B, W
CA, B
CW
ICM
VIH
VIL
IIL
CIL
Conditions
RWB, VA = no connect
RWB, VA = no connect
TA = 25°C, VDD = 5.5 V
Code = 0x00/0x20
Code = 0x00
Code = 0x3F
Code = 0x00
Code = 0x00/0x20
f = 1 MHz, measured to GND,
code = 0x20
f = 1 MHz, measured to GND,
code = 0x20
VA = VB = VDD/2
VIN = 0 V or 5 V
VIN = 0 V
VIN = 5 V
Min
−1.5
−0.25
−5
−0.5
−0.25
0.9
−30
−1
−0.25
−1
−0.25
−6
−1
−1
0
0
0
GND
0.7 × VL
−0.5
−2.5
Typ1
±0.3
±0.1
±0.5
±0.1
±0.1
200/15
75
±0.3
±0.1
±0.3
±0.1
−3
−0.3
−0.1
3
0.3
0.1
120/15
45
60
10
0.01
−1.4
0.01
5
Max
+1.5
+0.25
+5
+0.5
+0.25
1.5
+30
350
+1
+0.25
+1
+0.25
0
0
0
5
1
0.5
VDD
VL + 0.5
0.3 × VL
±1
+1
±1
Unit
LSB
LSB
kΩ
%
ppm/°C
Ω
LSB
LSB
LSB
LSB
ppm/°C
V
pF
pF
nA
V
V
µA
pF
Rev. 0 | Page 3 of 24
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