Specifications

2 C33 Macro Specifications
S1C33 ASIC DESIGN GUIDE
EPSON
23
EMBEDDED ARRAY S1X50000 SERIES
2) 3.3V single power source
(Unless otherwise specified: V
DD
=AV
DD
=2.7V to 3.6V, V
SS
=AV
SS
=0V, Ta=0 to +70°C, A/D converter clock input
f=2MHz, ST[1:0]=11)
Note 1: Indicates the minimum value when A/D clock = 2MHz (maximum clock frequency in 3V system).
Note 2:
•
Be sure to use as V
DDE
= AV
DD
.
•
The A/D converter cannot be used when the S1C33209/204/202 is used with a 2V power source.
A/D conversion error
Item Symbol Condition Min. Typ. Max. Unit
*
Resolution – – 10 – bit
Conversion time t
ADC
ST[1:0]=00(Min.), 11(Max.) 10 – – µs 1
Zero scale error E
ZS
0 2 4 LSB
Full scale error E
FS
-2 – 2 LSB
Integral linearity error E
IL
Best straight line method -3 – 3 LSB
Differential linearity error E
DL
-3 – 3 LSB
Permissible signal source imped-
ance
A
IMP
– – 5 KΩ
Analog input capacitance A
CIN
– – 45 pF
V[000]h = Ideal voltage at zero-scale point (=0.5LSB)
V'[000]h = Actual voltage at zero-scale point
V[3FF]h = Ideal voltage at full-scale point (=1022.5LSB)
V'[3FF]h = Actual voltage at full-scale point
V[000]h
(=0.5LSB)
V'[000]h
004
003
002
001
000
V
SS
■ Zero scale error
1LSB =
1LSB' =
AV
DD - VSS
2
10
- 1
V'[3FF]h - V'[000]h
2
10
- 2
Zero scale error EZS = [LSB]
(V'[000]h - 0.5LSB') - (V[000]h - 0.5LSB)
1LSB
Digital output (hex)
Analog input
Ideal conversion characteristic
Actual conversion characteristic
V[3FF]h (=1022.5LSB)
V'[3FF]h
3FF
3FE
3FD
3FC
3FB
AV
DD
■ Full scale error
Full scale error EFS = [LSB]
(V'[3FF]h + 0.5LSB') - (V[3FF]h + 0.5LSB)
1LSB
Digital output (hex)
Analog input
Ideal conversion characteristic
Actual conversion characteristic