SAB80C517 Datasheet, PDF (47/61 Pages) Siemens Semiconductor Group – 8-Bit CMOS Single-Chip Microcontroller

SAB 80C517/80C537
A/D Converter Characteristics
V _CC = 5 V ± 10 %; V _SS = 0 V
V_AREF = V_CC ± 5%; V_AGND = V_SS ± 0.2 V; V_IntAREF - V_IntAGND ≥ 1V
T _A = 0 to 70 ^oC for the SAB 80C517/83C537
T _A = – 40 to 85 ^oC for the SAB 80C517/83C537-T40/875
Parameter
Symbol
Analog input voltage
V _AINPUT
Analog input
C_I
capacitance
Load time
t_L
Sample time
t_S
(incl. load time)
Conversion time
t_C
(incl. sample time)
Total unadjusted error ^TUE
Internal reference error
V_AREF supply current
Notes see page 47.
V_IntREFERR
I _REF
Limit values
Unit
min. typ. max.
V_AGND ^–
– 0.2
V_AREF V
+ 0.2
–
25 60
pF
Test
Condition
9)
7)
–
–
2 t_CY µs
7)
–
–
7t _CY
µs
7)
–
–
13 t_CY µs
7)
–
±2
LSB V_AREF = V_CC
V _AGND = V_SS 11)
–
± 30 mV ⁸⁾
–
–
5
mA ⁸⁾
Semiconductor Group
46