C505-2RM SIEMENS [Siemens Semiconductor Group], C505-2RM Datasheet - Page 66

• Manufacturer Part Number: C505-2RM
• Description: 8-Bit CMOS Microcontroller
• Manufacturer: SIEMENS [Siemens Semiconductor Group]

A/D Converter Characteristics of C505A and C505CA
V
4 V V
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 :
Semiconductor Group
CC
32
16
8
4
= 5 V + 10%, – 15%;
AREF
V
CC
ADCL1, 0
0.1 V;
1
1
0
0
V
V
1
0
1
0
SS
SS
V
t
t
T
R
R
C
t
t
Symbol
S
ADCC
ADC
IN
UE
AIN
AREF
ASRC
AIN
= 0 V
–
= 1 /
t
32
16
0.1 V
ADC
min = 500 ns
8 x
4 x
f
OSC
t
t
t
t
IN
IN
IN
IN
min.
V
–
–
–
–
–
–
–
AGND
V
Limit Values
=
AGND
t
64
32
16
t
T
T
T
T
S
CLP
8
A
A
A
A
= 0 to 70 C for the SAB- versions
= – 40 to 85 C for the SAF- versions
= – 40 to 110 C for the SAH- versions
= – 40 to 125 C for the SAK- versions
66
V
max.
V
64
32
16
384
192
t
- 0.25
t
- 0.25
50
t
t
t
t
ADC
S
IN
IN
IN
IN
8
96
48
SS
AREF
2
4
/ 500
/ 250
+ 0.2 V
t
t
t
t
IN
IN
IN
IN
t
t
t
t
t
384
192
IN
IN
IN
IN
ADCC
96
48
V
ns
ns
LSB
LSB
k
k
pF
Unit
t
t
t
t
IN
IN
IN
IN
Test Condition
1)
Prescaler
Prescaler
Prescaler
Prescaler
Prescaler
Prescaler
Prescaler
Prescaler
V
4)
V
t
t
6)
V
ADC
S
SS
SS
CC
in [ns]
in [ns]
+ 0.5 V
- 0.5 V
V
AIN
2) 6)
C505A / C505CA
5) 6)
32
16
8
4
32
16
8
4
V
V
V
C505 / C505C
CC
2)
3)
AIN
AIN
+ 0.5 V
1997-12-01
V
V
CC
CC
-0.5 V
4)