參數(shù)資料
型號(hào): SAB80C517A
廠商: INFINEON TECHNOLOGIES AG
元件分類: 8位微控制器
英文描述: 8-Bit CMOS Single-Chip Microcontroller
中文描述: 8位CMOS單芯片微控制器
文件頁(yè)數(shù): 65/77頁(yè)
文件大?。?/td> 1358K
代理商: SAB80C517A
SAB 80C517A/83C517A-5
Semiconductor Group
64
1994-05-01
A/D Converter Characteristics
V
CC
= 5 V + 10 %, – 15 %;
V
SS
= 0 V
V
AREF
=
V
CC
±
5%;
V
AGND
=
V
SS
±
0.2 V;
T
A
=
0 to 70
o
C for the SAB 80C517A/83C517A-5
T
A
=
40 to 85
o
C for the SAB 80C517A-T3/83C517A-5-T3
T
A
=
40 to 110
o
C for the SAB 80C517A-T4/83C517A-5-T4
Parameter
Symbol
Limit values
Unit
Test condition
min.
typ.
max.
Analog input capacitance
C
I
Sample time
(inc. load time)
25
70
pF
T
S
4
t
CY
1)
μ
s
2)
Conversion time
(inc. sample time)
T
C
14
t
CY
1)
μ
s
3)
Total unadjusted error
TUE
±
2
LSB
V
AREF
=
V
CC
V
AGND
=
V
SS
V
AREF
supply current
I
REF
±
20
μ
A
4)
1)
t
CY
= (8*2
2)
This parameter specifies the time during the input capacitance
C
I,
can be charged/discharged by the
external source. It must be guaranteed, that the input capacitance
C
I,
, is fully loaded within this time.
4TCY is 2
μ
s at the
f
OSC
= 16 MHz. After the end of the sample time
T
S
, changes of the analog input
voltage have no effect on the conversion result.
3)
This parameter includes the sample time
T
S.
14TCY is 7
μ
s at
f
OSC
= 16 MHz.
4)
The differencial impedance
r
D
of the analog reference source must be less than 1 K
at reference supply
voltage.
ADCL)
/
f
OSC
; (
t
CY
= 1/
f
ADC
;
f
ADC
=
f
OSC
/(8*2
ADCL
))
相關(guān)PDF資料
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