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AD5241BRZ100 Datasheet(Fiches technique) 3 Page - Analog Devices

Numéro de pièce AD5241BRZ100
Description  I2C-Compatible, 256-Position Digital Potentiometers
Télécharger  20 Pages
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Fabricant  AD [Analog Devices]
Site Internet  http://www.analog.com
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AD5241/AD5242
Rev. C | Page 3 of 20
SPECIFICATIONS
10 kΩ, 100 kΩ, 1 MΩ VERSION
VDD = 2.7 V to 5.5 V, 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
(SPECIFICATIONS APPLY TO ALL VRs)
Resolution
N
8
Bits
Resistor Differential Nonlinearity2
R-DNL
RWB, VA = no connect
−1
±0.4
+1
LSB
Resistor Integral Nonlinearity2
R-INL
RWB, VA = no connect
−2
±0.5
+2
LSB
Nominal Resistor Tolerance
ΔRAB/RAB
TA = 25°C, RAB = 10 kΩ
−30
+30
%
TA = 25°C,
RAB = 100 kΩ/1 MΩ
−30
+50
%
Resistance Temperature Coefficient
(ΔRAB/RAB)/
ΔT × 106
VAB = VDD, wiper =
no connect
30
ppm/°C
Wiper Resistance
RW
IW = VDD/R
60
120
Ω
DC CHARACTERISTICS, POTENTIOMETER DIVIDER
MODE (SPECIFICATIONS APPLY TO ALL VRs)
Resolution
N
8
Bits
Differential Nonlinearity3
DNL
−1
±0.4
+1
LSB
Integral Nonlinearity3
INL
−2
±0.5
+2
LSB
Voltage Divider Temperature Coefficient
(ΔVW/VW)/∆T × 106
Code = 0x80
5
ppm/°C
Full-Scale Error
VWFSE
Code = 0xFF
−1
−0.5
0
LSB
Zero-Scale Error
VWZSE
Code = 0x00
0
0.5
1
LSB
RESISTOR TERMINALS
Voltage Range4
VA, VB, VW
VSS
VDD
V
Capacitance (A, B)5
CA, CB
f = 1 MHz, measured
to GND, code = 0x80
45
pF
Capacitance (W)5
CW
f = 1 MHz, measured
to GND, code = 0x80
60
pF
Common-Mode Leakage
ICM
VA = VB = VW
1
nA
DIGITAL INPUTS
Input Logic High (SDA and SCL)
VIH
0.7 × VDD
VDD + 0.5 V
V
Input Logic Low (SDA and SCL)
VIL
−0.5
+0.3 × VDD
V
Input Logic High (AD0 and AD1)
VIH
VDD = 5 V
2.4
VDD
V
Input Logic Low (AD0 and AD1)
VIL
VDD = 5 V
0
0.8
V
Input Logic High
VIH
VDD = 3 V
2.1
VDD
V
Input Logic Low
VIL
VDD = 3 V
0
0.6
V
Input Current
IIL
VIH = 5 V or VIL = GND
1
μA
Input Capacitance5
CIL
3
pF
DIGITAL OUTPUT
VOL
IOL = 3 mA
0.4
V
Output Logic Low (SDA)
VOL
IOL = 6 mA
0.6
V
Output Logic Low (O1 and O2)
VOL
ISINK = 1.6 mA
0.4
V
Output Logic High (O1 and O2)
VOH
ISOURCE = 40 μA
4
V
Three-State Leakage Current (SDA)
IOZ
VIH = 5 V or VIL = GND
±1
μA
Output Capacitance5
COZ
3
8
pF
POWER SUPPLIES
Power Single-Supply Range
VDD RANGE
VSS = 0 V
2.7
5.5
V
Power Dual-Supply Range
VDD/VSSRANGE
±2.3
±2.7
V
Positive Supply Current
IDD
VIH = 5 V or VIL = GND
0.1
50
μA
Negative Supply Current
ISS
VSS = −2.5 V, VDD = +2.5 V
+0.1
−50
μA
Power Dissipation6
PDISS
VIH = 5 V or VIL = GND,
VDD = 5 V
0.5
250
μW
Power Supply Sensitivity
PSS
−0.01
+0.002
+0.01
%/%




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