MCP4011/2/3/4
Low-Cost 64-Step Volatile Digital POT
Features
• Volatile Digital Potentiometer in SOT-23, SOIC,
MSOP and DFN packages
• 64 Taps: 63 Resistors with Taps to terminal A and
terminal B
• Simple Up/Down (U/D) Protocol
• Power-on Recall of Default Wiper Setting
- Custom POR wiper settings available
(contact factory)
• Resistance Values: 2.1 kΩ, 5 kΩ, 10 kΩ or 50 kΩ
• Low Tempco:
- Absolute (Rheostat): 50 ppm (0°C to 70°C typ.)
- Ratiometric (Potentiometer): 10 ppm (typ.)
• Low Wiper Resistance: 75Ω (typ.)
• High-Voltage Tolerant Digital Inputs: Up to 12.5V
• Low-Power Operation: 1 µA Max Static Current
• Wide Operating Voltage Range:
- 1.8V to 5.5V - Device Operation
- 2.7V to 5.5V - Resistor Characteristics
Specified
• Extended Temperature Range: -40°C to +125°C
• Wide Bandwidth (-3 dB) Operation:
- 4 MHz (typ.) for 2.1 kΩ device
Package Types
MCP4011
SOIC, MSOP, DFN
Potentiometer
V
DD
1
V
SS
2
A 3
W 4
A
W
B
8 U/D
7 NC
6 B
5 CS
V
DD
1
V
SS
2
U/D 3
B
MCP4012
SOT-23-6
Rheostat
A
W
6 A
5 W
4 CS
MCP4013
SOT-23-6
Potentiometer
V
DD
1
V
SS
2
U/D 3
B
A
W
6 A
5 W
4 CS
V
DD
1
V
SS
2
U/D 3
MCP4014
SOT-23-5
Rheostat
W
B
A
5 W
4 CS
Block Diagram
A
V
DD
Power-Up
and
Brown-Out
Control
Wiper Register
(Resistor Array)
V
SS
Description
The MCP4011/2/3/4 devices are volatile, 6-bit Digital
Potentiometers that can be configured as either a
potentiometer or rheostat. The wiper setting is
controlled through a simple Up/Down (U/D) serial
interface.
CS
U/D
2-Wire
Interface
and
Control
Logic
W
B
Device Features
Wiper
Configuration
Memory POR Wiper
Type
Setting
# of
Wiper Steps
(Ω)
75
75
75
75
64
64
64
64
V
DD
Operating
Range
(2)
Control
Interface
Resistance (typical)
Device
Options (kΩ)
2.1, 5.0, 10.0, 50.0
2.1, 5.0, 10.0, 50.0
2.1, 5.0, 10.0, 50.0
2.1, 5.0, 10.0, 50.0
WiperLock™
Technology
No
No
No
No
MCP4011 Potentiometer
(1)
MCP4012
MCP4013
MCP4014
Rheostat
Potentiometer
Rheostat
RAM
RAM
RAM
RAM
Mid-Scale
Mid-Scale
Mid-Scale
Mid-Scale
1.8V to 5.5V U/D
1.8V to 5.5V U/D
1.8V to 5.5V U/D
1.8V to 5.5V U/D
Note 1:
Floating either terminal (A or B) allows the device to be used in Rheostat mode.
2:
Analog characteristics (resistor) tested from 2.7V to 5.5V.
.
©
2006 Microchip Technology Inc.
DS21978C-page 1
MCP4011/2/3/4
1.0
ELECTRICAL
CHARACTERISTICS
† Notice:
Stresses above those listed under “Maximum
Ratings” may cause permanent damage to the device. This is
a stress rating only and functional operation of the device at
those or any other conditions above those indicated in the
operational listings of this specification is not implied.
Exposure to maximum rating conditions for extended periods
may affect device reliability.
Absolute Maximum Ratings †
V
DD
.............................................................................................................
6.5V
CS and U/D inputs w.r.t V
SS....................................
-0.3V to 12.5V
A,B and W terminals w.r.t V
SS.....................
-0.3V to V
DD
+ 0.3V
Current at Input Pins ..................................................±10 mA
Current at Supply Pins ...............................................±10 mA
Current at Potentiometer Pins ...................................±2.5 mA
Storage temperature .....................................-65°C to +150°C
Ambient temp. with power applied ................-55°C to +125°C
ESD protection on all pins
........... ≥
4 kV (HBM),
≥
400V (MM)
Maximum Junction Temperature (T
J
) . .........................+150°C
AC/DC CHARACTERISTICS
Electrical Specifications:
Unless otherwise indicated, all parameters apply across the specified operating ranges.
T
A
= -40°C to +125°C, 2.1 kΩ, 5 kΩ, 10 kΩ and 50 kΩ devices. Typical specifications represent values for V
DD
= 2.7V to 5.5V,
V
SS
= 0V, T
A
= +25°C.
Parameters
Operating Voltage Range
Sym
V
DD
V
DD
Min
2.7
—
Typ
—
1.8
Max
5.5
—
Units
V
V
V
DD
= 1.8V, CS:V
IHH
= 8.5V,
V
IH
= 1.8V, V
IL
= 0V,
U/D:V
IH
= 1.8V, V
IL
= 0V
The CS pin will be at one of three
input levels (V
IL
, V
IH
or V
IHH
).
(Note
6)
5.5V, CS = V
SS
, f
U/D
= 1 MHz
2.7V, CS = V
SS
, f
U/D
= 1 MHz
Serial Interface Inactive
(CS = V
IH
, U/D = V
IH
)
-202 devices
(Note 1)
-502 devices
(Note 1)
-103 devices
(Note 1)
-503 devices
(Note 1)
Conditions
CS Input Voltage
V
CS
V
SS
—
12.5
V
Supply Current
I
DD
—
—
—
45
15
0.3
2.1
5
10
50
—
—
1
2.52
6.0
12.0
60.0
µA
µA
µA
kΩ
kΩ
kΩ
kΩ
Resistance
(± 20%)
R
AB
1.68
4.0
8.0
40.0
Note 1:
2:
3:
Resistance is defined as the resistance between terminal A to terminal B.
INL and DNL are measured at V
W
with V
A
= V
DD
and V
B
= V
SS
. (-202 devices V
A
= 4V).
MCP4011/13
only, test conditions are: I
W
= 1.9 mA, code = 00h.
MCP4012/14
only, test conditions are:
Device
Resistance
2.1 kΩ
5 kΩ
10 kΩ
50 kΩ
Current at Voltage
5.5V
2.25 mA
1.4 mA
450 µA
90 µA
2.7V
1.1 mA
450 µA
210 µA
40 µA
Comments
MCP4012
includes V
WZSE
MCP4014
includes V
WFSE
4:
5:
6:
7:
8:
9:
Resistor terminals A, W and B’s polarity with respect to each other is not restricted.
This specification by design.
Non-linearity is affected by wiper resistance (R
W
), which changes significantly over voltage and temperature. See
Section 6.0 “Resistor”
for additional information.
For voltages below 2.7V, refer to
Section 2.0 “Typical Performance Curves”.
The
MCP4011
is externally connected to match the configurations of the
MCP4012
and
MCP4014
and then tested.
DS21978C-page 2
©
2006 Microchip Technology Inc.
MCP4011/2/3/4
AC/DC CHARACTERISTICS (CONTINUED)
Electrical Specifications:
Unless otherwise indicated, all parameters apply across the specified operating ranges.
T
A
= -40°C to +125°C, 2.1 kΩ, 5 kΩ, 10 kΩ and 50 kΩ devices. Typical specifications represent values for V
DD
= 2.7V to 5.5V,
V
SS
= 0V, T
A
= +25°C.
Parameters
Resolution
Step Resistance
Wiper Resistance (Note
3, Note 4)
Nominal Resistance Tempco
Sym
N
R
S
R
W
ΔR/ΔT
—
—
—
—
—
—
Ratiometeric Tempco
Full-Scale Error (MCP4011/13 only)
Zero-Scale Error (MCP4011/13 only)
Monotonicity
Resistor Terminal Input Voltage Range
(Terminals A, B and W)
Current through A, W or B
Leakage current into A, W or B
ΔV
WA
/Δ
T
V
WFSE
V
WZSE
N
V
A,
V
W,
V
B
I
W
I
WL
Vss
—
—
—
—
Capacitance (P
A
)
Capacitance (P
w
)
Capacitance (P
B
)
Bandwidth -3 dB
C
AW
C
W
C
BW
BW
—
—
—
—
—
—
—
Note 1:
2:
3:
—
-0.5
-0.5
Min
Typ
64
R
AB
/ 63
70
70
50
100
150
10
-0.1
+0.1
Yes
—
—
100
100
100
75
120
75
4
2
1
V
DD
2.5
—
—
—
—
—
—
—
—
—
—
—
125
325
—
—
—
—
+0.5
+0.5
Max
Units
Taps
Ω
Ω
Ω
ppm/°C
ppm/°C
ppm/°C
ppm/°C
LSb
LSb
Bits
V
mA
nA
nA
nA
pF
pF
pF
MHz
MHz
MHz
Note 5, Note 6
Note 6
MCP4011
A = W = B = V
SS
MCP4012/13
A = W = V
SS
MCP4014
W = V
SS
f =1 MHz, code = 1Fh
f =1 MHz, code = 1Fh
f =1 MHz, code = 1Fh
-202
devices
-502
devices
-103
devices
-503
devices
Code = 1F,
output load = 30 pF
Conditions
No Missing Codes
Note 6
5.5V
2.7V
T
A
= -20°C to +70°C
T
A
= -40°C to +85°C
T
A
= -40°C to +125°C
MCP4011
and
MCP4013
only,
code = 1Fh
Code 3Fh, 2.7V
≤
V
DD
≤
5.5V
Code 00h, 2.7V
≤
V
DD
≤
5.5V
200
kHz
Resistance is defined as the resistance between terminal A to terminal B.
INL and DNL are measured at V
W
with V
A
= V
DD
and V
B
= V
SS
. (-202 devices V
A
= 4V).
MCP4011/13
only, test conditions are: I
W
= 1.9 mA, code = 00h.
MCP4012/14
only, test conditions are:
Device
Resistance
2.1 kΩ
5 kΩ
10 kΩ
50 kΩ
Current at Voltage
5.5V
2.25 mA
1.4 mA
450 µA
90 µA
2.7V
1.1 mA
450 µA
210 µA
40 µA
Comments
MCP4012
includes V
WZSE
MCP4014
includes V
WFSE
4:
5:
6:
7:
8:
9:
Resistor terminals A, W and B’s polarity with respect to each other is not restricted.
This specification by design.
Non-linearity is affected by wiper resistance (R
W
), which changes significantly over voltage and temperature. See
Section 6.0 “Resistor”
for additional information.
For voltages below 2.7V, refer to
Section 2.0 “Typical Performance Curves”.
The
MCP4011
is externally connected to match the configurations of the
MCP4012
and
MCP4014
and then tested.
©
2006 Microchip Technology Inc.
DS21978C-page 3
MCP4011/2/3/4
AC/DC CHARACTERISTICS (CONTINUED)
Electrical Specifications:
Unless otherwise indicated, all parameters apply across the specified operating ranges.
T
A
= -40°C to +125°C, 2.1 kΩ, 5 kΩ, 10 kΩ and 50 kΩ devices. Typical specifications represent values for V
DD
= 2.7V to 5.5V,
V
SS
= 0V, T
A
= +25°C.
Parameters
Potentiometer Integral Non-linearity
Potentiometer Differential Non-linearity
Rheostat Integral Non-linearity
MCP4011
(Note
4, Note 9)
MCP4012
and
MCP4014 (Note 4)
Sym
INL
DNL
R-INL
Min
-0.5
-0.5
-0.5
-8.5
-0.5
-5.5
-0.5
-3
-0.5
-1
Rheostat Differential Non-linearity
MCP4011
(Note
4, Note 9)
MCP4012
and
MCP4014 (Note 4)
R-DNL
-0.5
-1
-0.5
-1
-0.5
-1
-0.5
-0.5
Note 1:
2:
3:
Typ
±0.25
±0.25
±0.25
+4.5
See
Section 2.0
±0.25
+2.5
See
Section 2.0
±0.25
+1
See
Section 2.0
±0.25
+0.25
See
Section 2.0
±0.25
+0.5
See
Section 2.0
±0.25
+0.25
±0.25
0
See
Section 2.0
±0.25
0
See
Section 2.0
+0.5
+0.5
See
Section 2.0
+0.5
+1
+0.5
+1.25
+0.5
+2
+0.5
+1
+0.5
+3
+0.5
+5.5
Max
+0.5
+0.5
+0.5
+8.5
Units
LSb
LSb
LSb
LSb
LSb
LSb
LSb
LSb
LSb
LSb
LSb
LSb
LSb
LSb
LSb
LSb
LSb
LSb
LSb
LSb
LSb
LSb
LSb
LSb
LSb
LSb
Conditions
MCP4011/13
only
(Note 2)
MCP4011/13
only
(Note 2)
-202
devices
(2.1 kΩ)
-502
devices
(5 kΩ)
-103
devices
(10 kΩ)
-503
devices
(50 kΩ)
-202
devices
(2.1 kΩ)
-502
devices
(5 kΩ)
-103
devices
(10 kΩ)
-503
devices
(50 kΩ)
5.5V
2.7V
(Note 7)
1.8V
(Note 7, Note 8)
5.5V
2.7V
(Note 7)
1.8V
(Note 7, Note 8)
5.5V
2.7V
(Note 7)
1.8V
(Note 7, Note 8)
5.5V
2.7V
(Note 7)
1.8V
(Note 7, Note 8)
5.5V
2.7V
(Note 7)
1.8V
(Note 7, Note 8)
5.5V
2.7V
(Note 7)
1.8V
(Note 7, Note 8)
5.5V
2.7V
(Note 7)
1.8V
(Note 7, Note 8)
5.5V
2.7V
(Note 7)
1.8V
(Note 7, Note 8)
Resistance is defined as the resistance between terminal A to terminal B.
INL and DNL are measured at V
W
with V
A
= V
DD
and V
B
= V
SS
. (-202 devices V
A
= 4V).
MCP4011/13
only, test conditions are: I
W
= 1.9 mA, code = 00h.
MCP4012/14
only, test conditions are:
Device
Resistance
2.1 kΩ
5 kΩ
10 kΩ
50 kΩ
Current at Voltage
5.5V
2.25 mA
1.4 mA
450 µA
90 µA
2.7V
1.1 mA
450 µA
210 µA
40 µA
Comments
MCP4012
includes V
WZSE
MCP4014
includes V
WFSE
4:
5:
6:
7:
8:
9:
Resistor terminals A, W and B’s polarity with respect to each other is not restricted.
This specification by design.
Non-linearity is affected by wiper resistance (R
W
), which changes significantly over voltage and temperature. See
Section 6.0 “Resistor”
for additional information.
For voltages below 2.7V, refer to
Section 2.0 “Typical Performance Curves”.
The
MCP4011
is externally connected to match the configurations of the
MCP4012
and
MCP4014
and then tested.
DS21978C-page 4
©
2006 Microchip Technology Inc.
MCP4011/2/3/4
AC/DC CHARACTERISTICS (CONTINUED)
Electrical Specifications:
Unless otherwise indicated, all parameters apply across the specified operating ranges.
T
A
= -40°C to +125°C, 2.1 kΩ, 5 kΩ, 10 kΩ and 50 kΩ devices. Typical specifications represent values for V
DD
= 2.7V to 5.5V,
V
SS
= 0V, T
A
= +25°C.
Parameters
Digital Inputs/Outputs (CS, U/D)
Input High Voltage
Input Low Voltage
High-Voltage Input Entry Voltage
High-Voltage Input Exit Voltage
CS Pull-up/Pull-down Resistance
CS Weak Pull-up/Pull-down Current
Input Leakage Current
CS and U/D Pin Capacitance
RAM (Wiper) Value
Value Range
Default POR Setting
Power Requirements
Power Supply Sensitivity
(MCP4011 and
MCP4013
only)
PSS
—
—
Note 1:
2:
3:
0.0015
0.0015
0.0035
0.0035
%/%
%/%
V
DD
= 4.5V to 5.5V, V
A
= 4.5V,
Code = 1Fh
V
DD
= 2.7V to 4.5V, V
A
= 2.7V,
Code = 1Fh
N
N
0h
—
1Fh
3Fh
hex
hex
V
IH
V
IL
V
IHH
V
IHH
R
CS
I
PU
I
IL
C
IN
,
C
OUT
0.7 V
DD
—
8.5
—
—
—
-1
—
—
—
—
—
16
170
—
10
—
0.3 V
DD
12.5
(6)
V
DD
+0.8
(6)
—
—
1
—
V
V
V
V
kΩ
µA
µA
pF
V
DD
= 5.5V, V
CS
= 3V
V
DD
= 5.5V, V
CS
= 3V
V
IN
= V
DD
f
C
= 1 MHz, V
DD
≥
2.7V
Threshold for WiperLock™
Technology
Sym
Min
Typ
Max
Units
Conditions
Resistance is defined as the resistance between terminal A to terminal B.
INL and DNL are measured at V
W
with V
A
= V
DD
and V
B
= V
SS
. (-202 devices V
A
= 4V).
MCP4011/13
only, test conditions are: I
W
= 1.9 mA, code = 00h.
MCP4012/14
only, test conditions are:
Device
Resistance
2.1 kΩ
5 kΩ
10 kΩ
50 kΩ
Current at Voltage
5.5V
2.25 mA
1.4 mA
450 µA
90 µA
2.7V
1.1 mA
450 µA
210 µA
40 µA
Comments
MCP4012
includes V
WZSE
MCP4014
includes V
WFSE
4:
5:
6:
7:
8:
9:
Resistor terminals A, W and B’s polarity with respect to each other is not restricted.
This specification by design.
Non-linearity is affected by wiper resistance (R
W
), which changes significantly over voltage and temperature. See
Section 6.0 “Resistor”
for additional information.
For voltages below 2.7V, refer to
Section 2.0 “Typical Performance Curves”.
The
MCP4011
is externally connected to match the configurations of the
MCP4012
and
MCP4014
and then tested.
©
2006 Microchip Technology Inc.
DS21978C-page 5
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