Datasheet
AD5263
Rev. 0 | Page 3 of 28
ELECTRICAL CHARACTERISTICS—20 kΩ, 50 kΩ, 200 kΩ VERSIONS
(V
DD
= +5 V, V
SS
= –5 V, V
L
= +5 V, V
A
= +V
DD
, V
B
= 0 V, –40°C < T
A
< +125°C, unless otherwise noted.)
Table 1.
Parameter Symbol Conditions Min Typ
1
Max Unit
DC CHARACTERISTICS—RHEOSTAT MODE (Specifications apply to all VRs.)
Resistor Differential NL
2
R-DNL R
WB
, V
A
=NC –1 ±1/4 +1 LSB
Resistor Nonlinearity
2
R-INL R
WB
, V
A
=NC –1 ±1/2 +1 LSB
Nominal Resistor Tolerance
3
∆R
AB
T
A
= 25°C –30 30 %
∆R
WB
/∆T 30 ppm/°C Resistance Mode Temperature
Coefficient
∆R
WA
/∆T 30 ppm/°C
Wiper Resistance R
W
I
W
= 1 V/R
AB
60 150 Ω
DC CHARACTERISTICS—POTENTIOMETER DIVIDER MODE (Specifications apply to all VRs.)
Resolution N 8 Bits
Differential Nonlinearity
4
DNL –1 ±1/4 +1 LSB
Integral Nonlinearity
4
INL –1 ±1/2 +1 LSB
Voltage Divider Temperature Coefficient ∆V
W
/∆T Code = 0x80 5 ppm/°C
Full-Scale Error V
WFSE
Code = 0xFF –2 –1 +0 LSB
Zero-Scale Error V
WZSE
Code = 0x00 0 +1 +2 LSB
RESISTOR TERMINALS
Voltage Range
5
V
A,B,W
V
SS
V
DD
V
Capacitance
6
Ax, Bx C
A,B
f = 1 MHz, measured to GND, Code = 0x80 25 pF
Capacitance
6
Wx C
W
f = 1 MHz, measured to GND, Code = 0x80 55 pF
Common-Mode Leakage I
CM
V
A
= V
B
= V
DD
/2 1 nA
Shutdown Current
7
I
SHDN
0.02 5 µA
DIGITAL INPUTS
Input Logic High V
IH
2.4 V
Input Logic Low V
IL
0.8 V
Input Logic High (SDA and SCL) V
IH
V
SS
= 0 V 0.7 × V
L
V
L
+ 0.5 V
Input Logic Low (SDA and SCL) V
IL
V
SS
= 0 V –0.5 0.3 × V
L
V
Input Current I
IL
V
IN
= 0 V or +5 V ±1 µA
Input Capacitance
6
C
IL
5 pF
DIGITAL OUTPUTS
SDA V
OL
I
SINK
= 3 mA 0.4 V
V
OL
I
SINK
= 6 mA 0.6 V
O1, O2 V
OH
I
SOURCE
= 40 µA 4 V
O1, O2 V
OL
I
SINK
= 1.6 mA 0.4 V
SDO V
OH
R
L
= 2.2 kΩ to V
DD
V
DD
– 0.1 V
SDO V
OL
I
SINK
= 3 mA 0.4 V
Three-State Leakage Current I
OZ
V
IN
= 0 V or +5 V ±1 µA
Output Capacitance
6
C
OZ
3 8 pF
POWER SUPPLIES
Logic Supply
8
V
L
2.7 5.5 V
Power Single-Supply Range V
DD RANGE
V
SS
= 0 V V
L
16.5 V
Power Dual-Supply Range V
DD/SS RANGE
±4.5 ±7.5 V
Logic Supply Current
9
I
L
V
L
= +5 V 25 60 µA
Positive Supply Current I
DD
V
IH
= +5 V or V
IL
= 0 V 1 µA
Negative Supply Current I
SS
V
SS
= –5 V 1 µA
Power Dissipation
10
P
DISS
V
IH
= +5 V or V
IL
= 0 V, V
DD
= +5 V, V
SS
= –5 V 0.6 mW
Power Supply Sensitivity PSS ∆V
DD
= +5 V ± 10% 0.002 0.01 %/%
DYNAMIC CHARACTERISTICS
6, 11
Bandwidth (3 dB) BW R
AB
= 20 kΩ/50 kΩ/200 kΩ 300/150/35 kHz
Total Harmonic Distortion THD
W
V
A
= 1 V rms, V
B
= 0 V, f = 1 kHz, R
AB
= 20 kΩ 0.05 %
V
W
Settling Time
12
t
S
V
A
= 10 V, V
B
= 0 V, ±1 LSB error band 2 µs
Resistor Noise Voltage e
N_WB
R
WB
= 10 kΩ, f = 1 kHz, RS = 0 9
nV/√
Hz