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AD5174 Datasheet, PDF (3/20 Pages) Analog Devices – Single-Channel, 1024-Position, Digital Rheostat with SPI Interface and 50-TP Memory | |||
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AD5174
SPECIFICATIONS
ELECTRICAL CHARACTERISTICS
VDD = 2.7 V to 5.5 V, VSS = 0 V; VDD = 2.5 V to 2.75 V, VSS = â2.5 V to â2.75 V; â40°C < TA < 125°C, unless otherwise noted.
Table 1.
Parameter
DC CHARACTERISTICSâRHEOSTAT MODE
Resolution
Resistor Integral Nonlinearity2, 3
Resistor Differential Nonlinearity2
Nominal Resistor Tolerance
Resistance Temperature Coefficient4, 5
Wiper Resistance
RESISTOR TERMINALS
Terminal Voltage Range4, 6
Capacitance A4
Capacitance W4
Common-Mode Leakage Current4
DIGITAL INPUTS
Input Logic4
High
Low
Input Current
Input Capacitance4
DIGITAL OUTPUT
Output Voltage4
High
Low
Tristate Leakage Current
Output Capacitance4
POWER SUPPLIES
Single-Supply Power Range
Dual-Supply Power Range
Supply Current
Positive
Negative
50-TP Store Current4, 7
Positive
Negative
50-TP Read Current4, 8
Positive
Negative
Power Dissipation9
Power Supply Rejection Ratio4
Symbol
R-INL
R-DNL
VTERM
VINH
VINL
IIN
CIN
VOH
VOL
IDD
ISS
IDD_OTP_STORE
ISS_OTP_STORE
IDD_OTP_READ
ISS_OTP_READ
PDISS
PSRR
Test Conditions/Comments
|VDD â VSS| = 3.6 V to 5.5 V
|VDD â VSS| = 3.3 V to 3.6 V
|VDD â VSS| = 2.7 V to 3.3 V
Code = full scale
Code = zero scale
f = 1 MHz, measured to GND, code = half scale
f = 1 MHz, measured to GND, code = half scale
VA = VW
RPULL_UP = 2.2 kΩ to VDD
RPULL_UP = 2.2 kΩ to VDD
VDD = 2.7 V to 5.5 V, VSS = 0 V
VDD = 2.5 V to 2.75 V, VSS = â2.5 V to â2.75 V
VSS = 0 V
VIH = VDD or VIL = GND
ÎVDD/ÎVSS = ±5 V ± 10%
Min
Typ1 Max Unit
10
Bits
â1
+1 LSB
â1
+1.5 LSB
â2.5
+2.5 LSB
â1
+1 LSB
±15
%
35
ppm/°C
35 70 Ω
VSS
VDD
V
90
pF
40
pF
50 nA
2.0
V
0.8 V
±1
μA
5
pF
VDD â 0.1
V
0.4 V
0.6 V
â1
+1 μA
5
pF
2.7
5.5 V
±2.5
±2.75 V
1
μA
â1
μA
4
mA
â4
mA
â500
â50
500 μA
μA
5.5 μW
â55
dB
Rev. 0 | Page 3 of 20
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