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AD5254BRU100-RL7 Folha de dados(PDF) 3 Page - Analog Devices

Nome de Peças AD5254BRU100-RL7
Descrição Electrónicos  Quad 64-/256-Position I2C Nonvolatile Memory Digital Potentiometers
Download  28 Pages
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Fabricante Electrônico  AD [Analog Devices]
Página de início  http://www.analog.com
Logo AD - Analog Devices

AD5254BRU100-RL7 Folha de dados(HTML) 3 Page - Analog Devices

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AD5253/AD5254
Rev. 0 | Page 3 of 28
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 < +85°C, unless otherwise noted.
Table 1.
Parameter
Symbol
Conditions
Min
Typ1
Max
Unit
DC CHARACTERISTICS—RHEOSTAT MODE
Resolution
N
AD5253/AD5254
6/8
Bits
Resistor Differential Nonlinearity2
R-DNL
RWB, RWA = NC, VDD = 5.5V, AD5253
–0.5
±0.2
+0.5
LSB
RWB, RWA = NC, VDD = 5.5V, AD5254
–1
±0.25
+1
LSB
RWB, RWA = NC, VDD = 2.7V, AD5253
–0.75
±0.3
+0.75
LSB
RWB, RWA = NC, VDD = 2.7V, AD5254
–1.5
±0.3
+1.5
LSB
Resistor Nonlinearity2
R-INL
RWB, RWA = NC, VDD = 5.5V, AD5253
–0.5
±0.2
+0.5
LSB
RWB, RWA = NC, VDD = 5.5V, AD5254
–2
±0.5
+2
LSB
RWB, RWA = NC, VDD = 2.7V, AD5253
–1
+2.5
+4
LSB
RWB, RWA = NC, VDD = 2.7V, AD5254
–2
+9
+14
LSB
Nominal Resistor Tolerance
∆RAB/RAB
TA = 25°C
–30
+30
%
Resistance Temperature
Coefficient
(∆RAB/RAB) × 106/∆T
650
ppm/°C
Wiper Resistance
RW
IW = 1 V/R, VDD = 5 V
75
130
IW = 1 V/R, VDD = 3 V
200
300
Channel Resistance Matching
∆RAB1/∆RAB2
0.15
%
DC CHARACTERISTICS—POTENTIOMETER DIVIDER MODE
Differential Nonlinearity3
DNL
AD5253
–0.5
±0.1
+0.5
LSB
AD5254
–1
±0.25
+1
LSB
Integral Nonlinearity3
INL
AD5253
–0.5
±0.2
+0.5
LSB
AD5254
–2
±0.5
+2
LSB
Voltage Divider Temperature
Coefficient
(∆VW/VW) × 106/∆T
Code = Half scale
25
ppm/°C
Full-Scale Error
VWFSE
Code = Full scale, VDD = 5.5 V, AD5253
–5
–3
0
LSB
Code = Full scale, VDD = 5.5 V, AD5254
–16
–11
0
LSB
Code = Full scale, VDD = 2.7 V, AD5253
–6
–4
0
LSB
Code = Full scale, VDD = 2.7 V, AD5254
–23
–16
0
LSB
Zero-Scale Error
VWZSE
Code = Zero scale, VDD = 5.5 V, AD5253
0
3
5
LSB
Code = Zero scale, VDD = 5.5 V, AD5254
0
11
16
LSB
Code = Zero scale, VDD = 2.7 V, AD5253
0
4
6
LSB
Code = Zero scale, VDD = 2.7 V, AD5254
0
15
20
LSB
RESISTOR TERMINALS
Voltage Range4
VA, VB, VW
VSS
VDD
V
Capacitance5 Ax, Bx
CA, CB
f = 1 kHz, measured to GND,
Code = Half scale
85
pF
Capacitance5 Wx
CW
f = 1 kHz, measured to GND,
Code = Half scale
95
pF
Common-Mode Leakage
Current
ICM
VA = VB = VDD /2
0.01
1
µA
DIGITAL INPUTS AND OUTPUTS
Input Logic High
VIH
VDD = 5 V, VSS = 0 V
2.4
V
VDD/VSS = +2.7 V/0 V or VDD/VSS = ±2.5 V
2.1
V
Input Logic Low
VIL
VDD =5 V, VSS = 0 V
0.8
V
VDD/VSS = +2.7 V/0 V or VDD/VSS = ±2.5 V
0.6
V
Output Logic High (SDA)
VOH
RPULL-UP = 2.2 kΩ to VDD = 5 V, VSS = 0 V
4.9
V
Output Logic Low (SDA)
VOL
RPULL-UP = 2.2 kΩ to VDD =5 V, VSS = 0 V
0.4
V
WP Leakage Current
IWP
WP = VDD
5
µA


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