AD5245 Analog Devices, AD5245 Datasheet - Page 4

• Manufacturer Part Number: AD5245
• Description: 256-Position I2C Compatible Digital Potentiometer
• Manufacturer: Analog Devices

AD5245
ELECTRICAL CHARACTERISTICS—10 kΩ, 50 kΩ, 100 kΩ VERSIONS
(V
Table 2.
Parameter
DC CHARACTERISTICS—RHEOSTAT MODE
DC CHARACTERISTICS—POTENTIOMETER DIVIDER MODE (Specifications apply to all VRs)
RESISTOR TERMINALS
DIGITAL INPUTS AND OUTPUTS
POWER SUPPLIES
DYNAMIC CHARACTERISTICS
DD
Resistor Differential Nonlinearity
Resistor Integral Nonlinearity
Nominal Resistor Tolerance
Resistance Temperature Coefficient
Wiper Resistance
Resolution
Differential Nonlinearity
Integral Nonlinearity
Voltage Divider Temperature Coefficient
Full-Scale Error
Zero-Scale Error
Voltage Range
Capacitance
Capacitance
Shutdown Supply Current
Common-Mode Leakage
Input Logic High
Input Logic Low
Input Logic High
Input Logic Low
Input Current
Input Capacitance
Power Supply Range
Supply Current
Power Dissipation
Power Supply Sensitivity
Bandwidth –3dB
Total Harmonic Distortion
V
Resistor Noise Voltage Density
W
= 5 V ± 10%, or 3 V ± 10%; V
Settling Time (10 kΩ/50 kΩ/100 kΩ)
6
6
A, B
W
5
8
6
4
4
6, 9
7
3
2
A
2
= V
DD
; V
B
= 0 V; –40°C < T
Symbol
R-DNL
R-INL
∆R
∆R
R
N
DNL
INL
∆V
V
V
V
C
C
I
I
V
V
V
V
I
C
V
I
P
PSS
BW
THD
t
e
DD_SD
CM
IL
DD
S
W
DISS
N_WB
WFSE
WZSE
A,B,W
A,B
W
IH
IL
IH
IL
IL
DD RANGE
AB
AB
W
/∆T
/∆T
W
Rev. 0 | Page 4 of 16
A
< +125°C; unless otherwise noted.)
Conditions
R
R
T
V
Wiper = no connect
V
Code = 0x80
Code = 0xFF
Code = 0x00
f = 1 MHz, measured to
GND, Code = 0x80
f = 1 MHz, measured to
GND, Code = 0x80
V
V
V
V
V
V
V
V
∆V
Code = Midscale
R
Code = 0x80
V
f = 1 kHz, R
V
±1 LSB error band
R
WB
WB
A
AB
WB
AB
DD
DD
A
DD
DD
IN
IH
IH
DD
A
A
= 25°C
DD
= V
=1 V rms, V
= 5 V, V
= 0 V or 5 V
= 5 V or V
= 5 V or V
, V
, V
= 10 kΩ/50 kΩ/100 kΩ,
= V
= 5 V
= 5.5 V
= 3 V
= 3 V
= 5 V
= 5 kΩ, RS = 0
= +5 V ± 10%,
A
A
B
DD
= no connect
= no connect
= V
,
B
DD
AB
= 0 V,
/2
IL
IL
= 10 kΩ
B
= 0 V
= 0 V,
= 0 V,
Min
–1
–2
–30
–1
–1
–3
0
GND
2.4
2.1
2.7
Typ
±0.1
±0.25
45
50
±0.1
±0.3
15
–1
1
45
60
0.01
1
5
3
±0.02
600/100/40
0.05
2
9
1
Max
+1
+2
+30
120
8
+1
+1
0
3
V
1
0.8
0.6
±1
5.5
8
0.2
±0.05
DD
Unit
LSB
LSB
%
ppm/°C
Ω
Bits
LSB
LSB
ppm/°C
LSB
LSB
V
pF
pF
µA
nA
V
V
V
V
µA
pF
V
µA
mW
%/%
kHz
%
µs
nV/√Hz