Data Sheet
AD5161
Rev. B | Page 3 of 20
ELECTRICAL CHARACTERISTICS—5 k 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
Max
Unit
DC CHARACTERISTICS—RHEOSTAT MODE
Resistor Differential Nonlinearit
y2R-DNL
R
WB, VA = no connect
1.5
±0.1
+1.5
LSB
Resistor Integral Nonlineari
ty2R-INL
R
WB, VA = no connect
–4
±0.75
+4
LSB
Nominal Resistor Toleran
ce3R
AB
T
A = 25°C
–30
+30
%
Resistance Temperature Coefficient
R
AB/T
V
AB = VDD, Wiper = no connect
45
ppm/°C
Wiper Resistance
R
W
50
120
DC CHARACTERISTICS—POTENTIOMETER DIVIDER MODE (Specifications apply to all VRs)
Resolution
N
8
Bits
Differential Nonlinearit
y4DNL
–1.5
±0.1
+1.5
LSB
INL
–1.5
±0.6
+1.5
LSB
Voltage Divider Temperature Coefficient
V
W/T
Code = 0x80
15
ppm/°C
Full-Scale Error
V
WFSE
Code = 0xFF
–6
–2.5
0
LSB
Zero-Scale Error
V
WZSE
Code = 0x00
0
+2
+6
LSB
RESISTOR TERMINALS
V
A,B,W
GND
V
DD
V
C
A,B
f = 1 MHz, measured to GND,
Code = 0x80
45
pF
C
W
f = 1 MHz, measured to GND,
Code = 0x80
60
pF
I
DD_SD
V
DD = 5.5 V
0.01
1
A
Common-Mode Leakage
I
CM
V
A = VB = VDD/2
1
nA
DIGITAL INPUTS AND OUTPUTS
Input Logic High
V
IH
2.4
V
Input Logic Low
V
IL
0.8
V
Input Logic High
V
IH
V
DD = 3 V
2.1
V
Input Logic Low
V
IL
V
DD = 3 V
0.6
V
Input Current
I
IL
V
IN = 0 V or 5 V
±1
A
C
IL
5
pF
POWER SUPPLIES
Power Supply Range
V
DD RANGE
2.7
5.5
V
Supply Current
I
DD
V
IH = 5 V or VIL = 0 V
3
8
A
P
DISS
V
IH = 5 V or VIL = 0 V, VDD = 5 V
0.2
mW
Power Supply Sensitivity
PSS
V
DD = +5 V ± 10%,
Code = Midscale
±0.02
±0.05
%/%
Bandwidth –3dB
BW_5K
R
AB = 5 k, Code = 0x80
1.2
MHz
Total Harmonic Distortion
THD
W
V
A = 1 V rms, VB = 0 V, f = 1 kHz
0.05
%
V
W Settling Time
t
S
V
A = 5 V, VB = 0 V, ±1 LSB error band
1
s
Resistor Noise Voltage Density
e
N_WB
R
WB = 2.5 k, RS = 0
6
nV/√Hz