Datasheet

© 2009 Microchip Technology Inc. DS22152B-page 21
MCP40D17/18/19
Note: Unless otherwise indicated, T
A
= +25°C, V
DD
= 5V, V
SS
= 0V.
FIGURE 2-45: 50 k Ω : Full Scale Error
(FSE) vs. Temperature (V
DD
= 5.5V, 2.7V, 1.8V).
FIGURE 2-46: 50 k
Ω : Zero Scale Error
(ZSE) vs. Temperature (V
DD
= 5.5V, 2.7V, 1.8V).
FIGURE 2-47: 50 k
Ω : Nominal Resistance
(
Ω ) vs. Temperature and V
DD
.
FIGURE 2-48: 50 k
Ω : R
BW
Tempco
Δ R
WB
/ Δ T vs. Code.
FIGURE 2-49: 50 k
Ω : Power-Up Wiper
Response Time.
FIGURE 2-50: 50 k
Ω : Digital Feedthrough
(SCL signal coupling to Wiper pin).
-0.16
-0.12
-0.08
-0.04
0.00
-40 0 40 80 120
Ambient Temperature (°C)
Full-Scale Error (FSE) (LSb)
2.7 5.5V
1.8V
0.00
0.04
0.08
0.12
0.16
0.20
-40 0 40 80 120
Ambient Temperature (°C)
Zero-Scale Error (ZSE) (LSb)
2.7
5.5V
1.8V
48800
49000
49200
49400
49600
49800
-40 0 40 80 120
Ambient Temperature (°C)
Nominal Resistance (R
AB
)
(Ohms)
2.7V
5.5V
1.8V
0
20
40
60
80
100
0 326496
Wiper Setting (decimal)
R
BW
Tempco (PPM)
2.7V
5.5V
Wiper
V
DD