SAB80C517A-N18 Siemens Semiconductor Group, SAB80C517A-N18 Datasheet - Page 65

• Manufacturer Part Number: SAB80C517A-N18
• Description: 8-Bit CMOS Single-Chip Microcontroller
• Manufacturer: Siemens Semiconductor Group

Semiconductor Group
A/D Converter Characteristics
V
V
Parameter
Analog input capacitance C
Sample time
(inc. load time)
Conversion time
(inc. sample time)
Total unadjusted error
V
1)
2)
3)
4)
AREF
AREF
CC
t
This parameter specifies the time during the input capacitance
external source. It must be guaranteed, that the input capacitance
4TCY is 2 s at the
voltage have no effect on the conversion result.
This parameter includes the sample time
The differencial impedance
voltage.
CY
= 5 V + 10 %, – 15 %; V
= (8*2
= V
supply current
CC
ADCL
T
T
T
A
A
A
5%; V
)
=
=
=
/f
OSC
–
–
f
40 to 85
OSC = 16 MHz. After the end of the sample time
40 to 110
0 to 70
; (t
AGND
CY
r
= 1/f
D of the analog reference source must be less than 1 K
= V
Symbol
T
T
TUE
I
REF
S
C
I
o
o
C for the SAB 80C517A/83C517A-5
SS
ADC
SS
C for the SAB 80C517A-T3/83C517A-5-T3
o
C for the SAB 80C517A-T4/83C517A-5-T4
= 0 V
; f
0.2 V;
ADC
T
S. 14TCY is 7 s at
= f
OSC
min.
64
/(8*2
Limit values
ADCL
typ.
25
))
20
C
f
OSC = 16 MHz.
I, can be charged/discharged by the
C
max.
70
4 t
14 t
SAB 80C517A/83C517A-5
I, , is fully loaded within this time.
T
2
S , changes of the analog input
C Y
C Y
1)
1)
Unit
pF
LSB
s
s
A
at reference supply
Test condition
2)
3)
V
V
4)
AREF
AGND
1994-05-01
= V
= V
CC
SS