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AD5160 Datasheet(PDF) 3 Page - Analog Devices

Part No. AD5160
Description  256-Position SPI Compatible Digital Potentiometer
Download  16 Pages
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Manufacturer  AD [Analog Devices]
Direct Link  http://www.analog.com
Logo AD - Analog Devices

AD5160 Datasheet(HTML) 3 Page - Analog Devices

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AD5160
Rev. 0 | Page 3 of 16
ELECTRICAL CHARACTERISTICS—5 kΩ VERSION
(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
–1.5
±0.1
+1.5
LSB
Resistor Integral Nonlinearity2
R-INL
RWB, VA = no connect
–4
±0.75
+4
LSB
Nominal Resistor Tolerance3
∆RAB
TA = 25°C
–30
+30
%
Resistance Temperature Coefficient
∆RAB/∆T
VAB = VDD, Wiper = no connect
45
ppm/°C
Wiper Resistance
RW
50
120
DC CHARACTERISTICS—POTENTIOMETER DIVIDER MODE (Specifications apply to all VRs)
Resolution
N
8
Bits
Differential Nonlinearity4
DNL
–1.5
±0.1
+1.5
LSB
Integral Nonlinearity4
INL
–1.5
±0.6
+1.5
LSB
Voltage Divider Temperature Coefficient
∆VW/∆T
Code = 0x80
15
ppm/°C
Full-Scale Error
VWFSE
Code = 0xFF
–6
–2.5
0
LSB
Zero-Scale Error
VWZSE
Code = 0x00
0
+2
+6
LSB
RESISTOR TERMINALS
Voltage Range5
VA,B,W
GND
VDD
V
Capacitance6 A, B
CA,B
f = 1 MHz, measured to GND,
Code = 0x80
45
pF
Capacitance6 W
CW
f = 1 MHz, measured to GND,
Code = 0x80
60
pF
Shutdown Supply Current7
IDD_SD
VDD = 5.5 V
0.01
1
µA
Common-Mode Leakage
ICM
VA = VB = VDD/2
1
nA
DIGITAL INPUTS AND OUTPUTS
Input Logic High
VIH
2.4
V
Input Logic Low
VIL
0.8
V
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 Capacitance6
CIL
5
pF
POWER SUPPLIES
Power Supply Range
VDD RANGE
2.7
5.5
V
Supply Current
IDD
VIH = 5 V or VIL = 0 V
3
8
µA
Power Dissipation8
PDISS
VIH = 5 V or VIL = 0 V, VDD = 5 V
0.2
mW
Power Supply Sensitivity
PSS
∆VDD = +5 V ± 10%,
Code = Midscale
±0.02
±0.05
%/%
DYNAMIC CHARACTERISTICS6, 9
Bandwidth –3dB
BW_5K
RAB = 5 kΩ, Code = 0x80
1.2
MHz
Total Harmonic Distortion
THDW
VA = 1 V rms, VB = 0 V, f = 1 kHz
0.05
%
VW Settling Time
tS
VA= 5 V, VB = 0 V, ±1 LSB error
band
1
µs
Resistor Noise Voltage Density
eN_WB
RWB = 2.5 kΩ, RS = 0
6
nV/√Hz


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