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AD5173BRM2.5 Datasheet(PDF) 3 Page - Analog Devices

Part No. AD5173BRM2.5
Description  256-Position, One-Time Programmable, Dual-Channel, I2C Digital Potentiometers
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Maker  AD [Analog Devices]
Homepage  http://www.analog.com
Logo AD - Analog Devices

AD5173BRM2.5 Datasheet(HTML) 3 Page - Analog Devices

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AD5172/AD5173
Rev. H | Page 3 of 24
SPECIFICATIONS
ELECTRICAL CHARACTERISTICS: 2.5 kΩ
VDD = 5 V ± 10%, or 3 V ± 10%; VA = VDD; VB = 0 V; −40°C < TA < +125°C; unless otherwise noted.
Table 1.
Parameter
Symbol
Conditions
Min
Typ1
Max
Unit
DC CHARACTERISTICS—RHEOSTAT MODE
Resistor Differential Nonlinearity2
R-DNL
RWB, VA = no connect
−2
±0.1
+2
LSB
Resistor Integral Nonlinearity2
R-INL
RWB, VA = no connect
−14
±2
+14
LSB
Nominal Resistor Tolerance3
∆RAB
TA = 25°C
−20
+55
%
Resistance Temperature Coefficient
(∆RAB/RAB)/∆T
35
ppm/°C
Wiper Resistance
RWB
Code = 0x00, VDD = 5 V
160
200
Ω
DC CHARACTERISTICS—POTENTIOMETER DIVIDER
MODE4
Differential Nonlinearity5
DNL
−1.5
±0.1
+1.5
LSB
Integral Nonlinearity5
INL
−2
±0.6
+2
LSB
Voltage Divider Temperature Coefficient
(ΔVW/VW)/ΔT
Code = 0x80
15
ppm/°C
Full-Scale Error
VWFSE
Code = 0xFF
−14
−5.5
0
LSB
Zero-Scale Error
VWZSE
Code = 0x00
0
4.5
12
LSB
RESISTOR TERMINALS
Voltage Range6
VA, VB, VW
GND
VDD
V
Capacitance A, B7
CA, CB
f = 1 MHz, measured to
GND, code = 0x80
45
pF
Capacitance W7
CW
f = 1 MHz, measured to
GND, code = 0x80
60
pF
Shutdown Supply Current8
IA_SD
VDD = 5.5 V
0.01
1
μA
Common-Mode Leakage
ICM
VA = VB = VDD/2
1
nA
DIGITAL INPUTS AND OUTPUTS
SDA and SCL
Input Logic High9
VIH
VDD = 5 V
0.7 VDD
VDD + 0.5
V
Input Logic Low9
VIL
VDD = 5 V
−0.5
+0.3 VDD
V
AD0 and AD1
Input Logic High
VIH
VDD = 3 V
2.1
V
Input Logic Low
VIL
VDD = 3 V
0.6
V
Input Current
IIL
VIN = 0 V or 5 V
±1
μA
Input Capacitance7
CIL
5
pF
POWER SUPPLIES
Power Supply Range
VDD_RANGE
2.7
5.5
V
OTP Supply Voltage9, 10
VDD_OTP
TA = 25°C
5.6
5.7
5.8
V
Supply Current
IDD
VIH = 5 V or VIL = 0 V
3.5
6
μA
OTP Supply Current9, 11, 12
IDD_OTP
VDD_OTP = 5.0 V, TA = 25°C
100
mA
Power Dissipation13
PDISS
VIH = 5 V or VIL = 0 V, VDD = 5 V
33
μW
Power Supply Sensitivity
PSS
VDD = 5 V ± 10%,
code = midscale
±0.02
±0.08
%/%
DYNAMIC CHARACTERISTICS14
Bandwidth, −3 dB
BW
Code = 0x80
4.8
MHz
Total Harmonic Distortion
THDW
VA = 1 V rms, VB = 0 V,
f = 1 kHz
0.1
%


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