AD5251BRU1 View Datasheet(PDF) - Analog Devices
Part Name
Description
Manufacturer
AD5251BRU1 Datasheet PDF : 28 Pages
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Data Sheet
AD5251/AD5252
ELECTRICAL CHARACTERISTICS
1 kΩ VERSION
VDD = 3 V ± 10% or 5 V ± 10%, VSS = 0 V or VDD/VSS = ±2.5 V ± 10%, VA = VDD, VB = 0 V, –40°C < TA < +105°C, unless otherwise noted.
Table 1.
Parameter
Symbol
Conditions
Min Typ1 Max Unit
DC CHARACTERISTICS—
RHEOSTAT MODE
Resolution
N
AD5251
6
Bits
Resistor Differential Nonlinearity2
Resistor Nonlinearity2
Nominal Resistor Tolerance
Resistance Temperature Coefficient
Wiper Resistance
Channel-Resistance Matching
DC CHARACTERISTICS—
POTENTIOMETER DIVIDER MODE
Differential Nonlinearity3
R-DNL
R-INL
ΔRAB/RAB
(ΔRAB/RAB) × 106/ΔT
RW
ΔRAB1/ΔRAB3
DNL
AD5252
RWB, RWA = NC, VDD = 5.5 V, AD5251
RWB, RWA = NC, VDD = 5.5 V, AD5252
RWB, RWA = NC, VDD = 2.7 V, AD5251
RWB, RWA = NC, VDD = 2.7 V, AD5252
RWB, RWA = NC, VDD = 5.5 V, AD5251
RWB, RWA = NC, VDD = 5.5 V, AD5252
RWB, RWA = NC, VDD = 2.7 V, AD5251
RWB, RWA = NC, VDD = 2.7 V, AD5252
TA = 25°C
IW = 1 V/R, VDD = 5 V
IW = 1 V/R, VDD = 3 V
AD5251
–0.5
–1.00
–0.75
–1.5
–0.5
–2.0
–1.0
–2
–30
±0.2
±0.25
±0.30
±0.3
±0.2
±0.5
+2.5
+9
650
75
200
0.15
8
+0.5
+1.00
+0.75
+1.5
+0.5
+2.0
+4.0
+14
+30
130
300
Bits
LSB
LSB
LSB
LSB
LSB
LSB
LSB
LSB
%
ppm/°C
Ω
Ω
%
–0.5 ±0.1 +0.5 LSB
Integral Nonlinearity3
INL
AD5252
AD5251
–1.00 ±0.25 +1.00 LSB
–0.5 ±0.2 +0.5 LSB
Voltage Divider Tempco
Full-Scale Error
Zero-Scale Error
RESISTOR TERMINALS
Voltage Range4
Capacitance5 A, B
Capacitance5 W
AD5252
–2.0 ±0.5 +2.0 LSB
(ΔVW/VW) × 106/ΔT Code = half scale
25
ppm/°C
VWFSE
Code = full scale, VDD = 5.5 V, AD5251 –5
–3
0
LSB
Code = full scale, VDD = 5.5 V, AD5252 –16
–11
0
LSB
Code = full scale, VDD = 2.7 V, AD5251 −6
–4
0
LSB
Code = full scale, VDD = 2.7 V, AD5252 –23
–16
0
LSB
VWZSE
Code = zero scale, VDD = 5.5 V, AD5251 0
3
5
LSB
Code = zero scale, VDD = 5.5 V, AD5252 0
11
16
LSB
Code = zero scale, VDD = 2.7 V, AD5251 0
4
6
LSB
Code = zero scale, VDD = 2.7 V, AD5252 0
15
20
LSB
VA, VB, VW
CA, CB
CW
f = 1 kHz, measured to GND,
code = half scale
f = 1 kHz, measured to GND,
code = half scale
VSS
VDD
V
85
pF
95
pF
Common-Mode Leakage Current ICM
VA = VB = VDD/2
0.01 1
µA
Rev. D | Page 3 of 28
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