Datasheet

MCP40D17/18/19
DS22152B-page 18 © 2009 Microchip Technology Inc.
Note: Unless otherwise indicated, T
A
= +25°C, V
DD
= 5V, V
SS
= 0V.
FIGURE 2-27: 10 k Ω : Full Scale Error
(FSE) vs. Temperature (V
DD
= 5.5V, 2.7V, 1.8V).
FIGURE 2-28: 10 k
Ω : Zero Scale Error
(ZSE) vs. Temperature (V
DD
= 5.5V, 2.7V, 1.8V).
FIGURE 2-29: 10 k
Ω : Nominal Resistance
(
Ω ) vs. Temperature and V
DD
.
FIGURE 2-30: 10 k
Ω : R
BW
Tempco
Δ R
WB
/ Δ T vs. Code.
FIGURE 2-31: 10 k
Ω : Power-Up Wiper
Response Time.
FIGURE 2-32: 10 k
Ω : Digital Feedthrough
(SCL signal coupling to Wiper pin).
-1.0
-0.9
-0.8
-0.7
-0.6
-0.5
-0.4
-0.3
-0.2
-0.1
0.0
-40 0 40 80 120
Ambient Temperature (°C)
Full-Scale Error (FSE) (LSb)
2.7
5.5V
1.8V
0.0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
-40 0 40 80 120
Ambient Temperature (°C)
Zero-Scale Error (ZSE) (LSb)
2.7
5.5V
1.8V
9900
9950
10000
10050
10100
10150
10200
-40 0 40 80 120
Ambient Temperature (°C)
Nominal Resistance (R
AB
)
(Ohms)
2.7
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