MCP41XXX/42XXX
DC CHARACTERISTICS: 100 kΩ VERSION
Electrical Characteristics: Unless otherwise indicated, V = +2.7V to 5.5V, T = -40°C to +85°C (TSSOP devices are only specified at +25°C and
DD
A
+85°C). Typical specifications represent values for V = 5V, V = 0V, V = 0V, T = +25°C.
DD
SS
B
A
Parameters
Rheostat Mode
Nominal Resistance
Rheostat Differential Non-Linearity
Rheostat Integral Non-Linearity
Rheostat Tempco
Sym
Min
Typ
Max
Units
Conditions
T = +25°C (Note 1)
A
Note 2
Note 2
R
70
-1
-1
—
—
—
-1
—
100
±1/4
±1/4
800
125
175
—
130
+1
+1
—
175
250
+1
1
kΩ
LSB
LSB
ppm/°C
Ω
R-DNL
R-INL
∆R /∆T
AB
Wiper Resistance
R
R
V
V
= 5.5V, I = 1 mA, code 00h
W
= 2.7V, I = 1 mA, code 00h
W
W
W
DD
DD
Ω
Wiper Current
I
mA
%
W
Nominal Resistance Match
Potentiometer Divider
Resolution
∆R/R
0.2
MCP42010 only, P0 to P1;T = +25°C
A
N
N
DNL
INL
8
8
—
—
±1/4
±1/4
1
-0.25
-0.35
+0.25
+0.35
—
—
+1
+1
—
0
0
+1
+1
Bits
Bits
LSB
LSB
Monotonicity
Differential Non-Linearity
Integral Non-Linearity
Voltage Divider Tempco
Full-Scale Error
-1
-1
—
-1
-1
0
Note 3
Note 3
∆V /∆T
ppm/°C Code 80h
W
V
V
V
V
LSB
LSB
LSB
LSB
Code FFh, V = 5V, see Figure 2-25
DD
Code FFh, V = 3V, see Figure 2-25
DD
Code 00h, V = 5V, see Figure 2-25
DD
Code 00h, V = 3V, see Figure 2-25
DD
WFSE
WFSE
WZSE
WZSE
Zero-Scale Error
0
Resistor Terminals
Voltage Range
Capacitance (CA or CB)
Capacitance
V
0
—
—
—
11
5.6
V
—
—
Note 4
A,B,W
DD
pF
pF
f =1 MHz, Code = 80h, see Figure 2-30
f =1 MHz, Code = 80h, see Figure 2-30
C
W
Dynamic Characteristics (All dynamic characteristics use V = 5V.)
DD
Bandwidth -3dB
BW
—
145
—
—
MHz
µS
V = 0V, Measured at Code 80h,
B
Output Load = 30 PF
= V ,V = 0V, ±1% Error Band, Transition
Settling Time
t
—
18
V
A
S
DD
B
from Code 00h to Code 80h, Output Load = 30 pF
= Open, Code 80h, f =1 kHz
Resistor Noise Voltage
Crosstalk
e
—
—
29
-95
—
—
nV/√Hz
dB
V
A
NWB
C
V = V , V = 0V (Note 5)
A DD B
T
Digital Inputs/Outputs (CS, SCK, SI, SO) See Figure 2-12 for RS and SHDN pin operation.
Schmitt Trigger High-Level Input Voltage
Schmitt Trigger Low-Level Input Voltage
Hysteresis of Schmitt Trigger Inputs
Low-Level Output Voltage
V
V
0.7V
—
—
—
—
0.05V
—
—
0.3V
—
0.40
—
V
V
IH
DD
IL
DD
V
HYS
DD
V
—
V
V
I
I
= 2.1 mA, V = 5V
DD
OL
OL
High-Level Output Voltage
V
V
- 0.5
—
= -400 µA, V = 5V
OH DD
OH
DD
Input Leakage Current
Pin Capacitance (All inputs/outputs)
Power Requirements
I
-1
—
—
10
+1
—
µA
pF
CS = V , V = V or V , includes V SHDN=0
DD IN SS DD A
LI
C
, C
V
= 5.0V, T = +25°C, f = 1 MHz
A c
IN
OUT
DD
Operating Voltage Range
Supply Current, Active
V
2.7
—
—
340
5.5
500
V
µA
DD
I
V
= 5.5V, CS = V , f
= 10 MHz,
DDA
DD
SS SCK
SO = Open, Code FFh (Note 6)
Supply Current, Static
Power Supply Sensitivity
I
—
—
—
0.01
0.0015
0.0015
1
µA
%/%
%/%
CS, SHDN, RS = V = 5.5V, SO = Open (Note 6)
DDS
DD
PSS
PSS
0.0035
0.0035
V
V
= 4.5V - 5.5V, V = 4.5V, Code 80h
A
DD
DD
= 2.7V - 3.3V, V = 2.7V, Code 80h
A
Note 1:
2:
V
= V , no connection on wiper.
AB DD
Rheostat position non-linearity R-INL is the deviation from an ideal value measured between the maximum resistance and the minimum
resistance wiper positions. R-DNL measures the relative step change from the ideal between successive tap positions. I = 50 µA for
W
V
= 3V and I = 400 µA for V = 5V for 10 kΩ version. See Figure 2-26 for test circuit.
W DD
DD
3:
4:
INL and DNL are measured at V with the device configured in the voltage divider or potentiometer mode. V = V and V = 0V. DNL
W A DD B
specification limits of ±1 LSB max are specified monotonic operating conditions. See Figure 2-25 for test circuit.
Resistor terminals A,B and W have no restrictions on polarity with respect to each other. Full-scale and zero-scale error were measured
using Figure 2-25.
5:
6:
Measured at V pin where the voltage on the adjacent V pin is swinging full-scale.
W W
Supply current is independent of current through the potentiometers.
DS11195C-page 4
2003 Microchip Technology Inc.
MICROCHIP [ MICROCHIP ]
