Rohm LAPIS SEMICONDUCTOR ML620Q503, User Manual

Page: 549 / 553

ML620Q503/Q504 User’s manual
Appendix C Electrical Characteristics
FEUL620Q504 C-6
●Electrical Characteristics of SA-ADC
(V
DD
=1.8~3.6V, V
SS
=0V, Ta=-40~+85
°
C, unless otherwise specified)
Parameter Symbol Condition
Rating
Unit
Min. Typ. Max.
Resolution n – – 12 – bit
Integral non-linearity
error
INL
2.7V
≤
V
REF
≤
3.6V
−
4 –
+
4
LSB
2.2V
≤
V
REF
< 2.7V
−
6 –
+
6
1.8V
≤
V
REF
< 2.2V
(using Low-speed clock)
−
10 –
+
10
Differential non-linearity
error
DNL
2.7V
≤
V
REF
≤
3.6V
−
3 –
+
3
2.2V
≤
V
REF
< 2.7V
−
5 –
+
5
1.8V
≤
V
REF
< 2.2V
(using Low-speed clock)
−
9 –
+
9
Zero-scale error V
OFF
2.2V
≤
V
REF
≤
3.6V
−
6 –
+
6
1.8V
≤
V
REF
< 2.2V
(using Low-speed clock)
−
10 –
+
10
Full-scale error FSE
2.2V
≤
V
REF
≤
3.6V
−
6 –
+
6
1.8V
≤
V
REF
< 2.2V
(using Low-speed clock)
−
10 –
+
10
Input impidance RI – – – 5k
Ω
Reference voltage V
REF
– 1.8 – V
DD
V
Conversion time t
CONV
Using High-speed clock(max.
4MHz)
– 170 –
clk
Using Low-speed clock – 16 –
Measuring circuit
A
V
DD
V
SS
-
RI
≤
5k
Ω
AIN
0.47
μF
+
10
μF
V
REF
1
μF
Reference
Voltage