C504 SIEMENS [Siemens Semiconductor Group], C504 Datasheet - Page 37

• Manufacturer Part Number: C504
• Description: 8-Bit CMOS Microcontroller
• Manufacturer: SIEMENS [Siemens Semiconductor Group]

A/D Converter Characteristics
Parameter
Analog input voltage
Sample time
Conversion cycle time
Total unadjusted error
Internal resistance of
reference voltage source
Internal resistance of
analog source
ADC input capacitance
Notes see next page.
Clock calculation table :
Clock Prescaler
Ratio
Further timing conditions : t
Semiconductor Group
V
4V
V
32
16
8
4
CC
SS
– 0.1 V
= 5 V + 10%, – 15%;
V
AREF
V
V
CC
AGND
+ 0.1 V;
ADCL1, 0
1
1
0
0
V
SS
V
+ 0.2 V;
Symbol
V
t
t
T
R
R
C
1
0
1
0
t
SS
S
ADCC
UE
ADC
IN
AIN
AREF
ASRC
AIN
= 0 V
= 2 / f
t
32 x t
16 x t
8 x t
4 x t
min = 500 ns
ADC
OSC
IN
IN
min.
V
–
–
–
–
–
–
–
IN
IN
AGND
Limit Values
= 2 t
t
64 x t
32 x t
16 x t
8 x t
S
CLCL
max.
V
64 x
32 x
16 x
8 x
384 x
192 x
96 x
48 x
t
– 0.25
t
– 0.25
50
T
T
T
T
37
ADC
S
IN
AREF
A
A
A
A
2
4
IN
IN
IN
/ 500
= 0 to 70 C
= – 40 to 85 C
= – 40 to 110 C
= – 40 to 125 C
t
/ 250
IN
t
t
t
t
t
IN
IN
IN
IN
IN
t
t
IN
IN
t
384 x t
192 x t
96 x t
48 x t
ADCC
Unit
V
ns
ns
LSB
LSB
k
k
pF
IN
IN
IN
IN
Test Condition
1)
Prescaler
Prescaler
Prescaler
Prescaler
Prescaler
Prescaler
Prescaler
Prescaler
V
V
V
t
t
6)
ADC
S
SS
SS
CC
in [ns]
+ 0.5V
in [ns]
< V
– 0.5V < V
IN
for the SAB-C504
for the SAF-C504
for the SAH-C504
for the SAK-C504
< V
2) 6)
5) 6)
32
16
8
4
32
16
8
4
V
SS
IN
IN
2)
3)
+ 0.5V
< V
V
CC
CC
– 0.5V
C504
4)
4)