MCP434X MICROCHIP [Microchip Technology], MCP434X Datasheet - Page 9
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MCP434X
Manufacturer Part Number
MCP434X
Description
7/8-Bit Quad SPI Digital POT with Non-Volatile Memory
Manufacturer
MICROCHIP [Microchip Technology]
Datasheet
1.MCP434X.pdf
(80 pages)
- Current page: 9 of 80
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AC/DC CHARACTERISTICS (CONTINUED)
© 2009 Microchip Technology Inc.
DC Characteristics
Rheostat
Differential
Non-linearity
MCP43X1
(Note 4, Note 8)
MCP43X2 devices
only
(Note 4)
Capacitance (P
Capacitance (P
Capacitance (P
Note 1:
Parameters
2:
3:
4:
5:
6:
7:
8:
9:
10: Supply current is independent of current through the resistor network.
Resistance is defined as the resistance between terminal A to terminal B.
INL and DNL are measured at V
MCP43X1 only.
MCP43X2 only, includes V
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
temperature.
The MCP43X1 is externally connected to match the configurations of the MCP43X2, and then tested.
POR/BOR is not rate dependent.
A
w
B
)
)
)
R-DNL
Sym
C
C
C
AW
BW
W
Standard Operating Conditions (unless otherwise specified)
Operating Temperature
All parameters apply across the specified operating ranges unless noted.
V
Typical specifications represent values for V
DD
-0.375
-0.375
-0.375
-0.375
-0.375
-0.375
WZSE
-0.75
-0.75
Min
-0.5
-1.0
-0.5
-1.0
-0.5
-0.5
-0.5
-0.5
—
—
—
= +2.7V to 5.5V, 5 kΩ, 10 kΩ, 50 kΩ, 100 kΩ devices.
W
and V
with V
±0.25
±0.25
±0.25
+0.25
±0.25
±0.25
±0.25
±0.25
±0.25
±0.25
±0.25
±0.25
±0.25
+0.5
+0.5
+0.5
Typ
120
WFSE
75
75
A
= V
.
DD
+0.375
+0.375
+0.375
+0.375
+0.375
+0.375
W
+0.75
+0.75
Max
+0.5
+1.0
+0.5
+1.0
+0.5
+0.5
+0.5
+0.5
), which changes significantly over voltage and
—
—
—
and V
–40°C ≤ T
B
= V
Units
LSb
LSb
LSb
LSb
LSb
LSb
LSb
LSb
LSb
LSb
LSb
LSb
LSb
LSb
LSb
LSb
pF
pF
pF
SS
.
A
5 kΩ
10 kΩ
50 kΩ
100 kΩ 8-bit
f =1 MHz, Code = Full Scale
f =1 MHz, Code = Full Scale
f =1 MHz, Code = Full Scale
MCP434X/436X
≤ +125°C (extended)
DD
= 5.5V, T
8-bit
7-bit
8-bit
7-bit
8-bit
7-bit
7-bit
Conditions
A
5.5V, I
3.0V (Note 7)
5.5V, I
3.0V (Note 7)
5.5V, I
3.0V (Note 7)
5.5V, I
3.0V (Note 7)
5.5V, I
3.0V (Note 7)
5.5V, I
3.0V (Note 7)
5.5V, I
3.0V (Note 7)
5.5V, I
3.0V (Note 7)
= +25°C.
W
W
W
W
W
W
W
W
DS22233A-page 9
= 900 µA
= 900 µA
= 450 µA
= 450 µA
= 90 µA
= 90 µA
= 45 µA
= 45 µA
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