Panasonic MN101C77C - Manual (Page 44)

Chapter 1 Overview
I - 26 Electrical Characteristics
1-5-4 A/D Converter Characteristics *2
*1 Set the potential difference between V
REF+
and V
REF-
over 2 V.
*2 The value is measured with A/D Converter, not with D/A Converter.
T
a
=-40 o C to +85 o C V
DD
= 3.3 V V
SS
=0 V
MIN TYP MAX
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
Analog input leakage
current
*1
*1
Reference voltage pin
input leakage current
50 80 k Ω Ladder res is tance R
ladd
V
DD
= 3.3 V 20
± 2
µ A
± 10
uns elected channel
V
ADIN
= 0 V to V
DD
Lader res is tor OFF
V
REF-
< V
REF+
< V
DD
0.5
Reference voltage
Analog input voltage V
REF-
V REF+ V REF-
V
30.5
µ s
V DD
V
REF+
V
REF-
V
SS
T AD = 15.26 µ s
A/D convers ion tim e
Sam pling tim e
T
AD
= 1.0 µ s
T
AD
= 800 ns
T
AD
= 15.26 µ s
2
3275
18
183
9.6
m V
Zero trans ition voltage V
DD
= 3.3 V,V
SS
= 0 V
V
REF+
= 3.3 V,V
REF-
= 0 V
T
AD
= 800 ns
25 80
Full-s cale trans ition
voltage
3220
Non-linerarity error ± 5
± 5
V
DD
= 3.3 V,V
SS
= 0 V
V
REF+
= 3.3 V,V
REF-
= 0 V
T
AD
= 15.26 µ s
Differential non-linearity
error 2
V
DD
= 3.3 V,V
SS
= 0 V
V REF+ = 3.3 V,V REF- = 0 V
T
AD
= 800 ns
Differential non-linearity
error 1
Unit
Bits
± 3
LSB
Rating
10
± 3
Param eter Sym bol Conditions
Res olution
Non-linearity error 1