DC Electrical Characteristics
The following specifications apply for V
CC
=5V, unless otherwise specified. Boldface limits apply from T
MIN
to T
MAX
; all other
limits T
A
=T
J
=25˚C.
Parameter
Conditions
ADC0820BCN, ADC0820CCN
Limit
Units
ADC0820CCJ
ADC0820BCV, ADC0820BCWM
ADC0820CCWM, ADC0820CIWM
Typ
Tested
Design
Typ
Tested
Design
(Note 6)
Limit
Limit
(Note 6)
Limit
Limit
(Note 7)
(Note 8)
(Note 7)
(Note 8)
V
IN(1)
, Logical “1”
V
CC
=5.25V
CS , WR , RD
2.0
2.0
2.0
V
Input Voltage
Mode
3.5
3.5
3.5
V
V
IN(0)
, Logical “0”
V
CC
=4.75V
CS , WR , RD
0.8
0.8
0.8
V
Input Voltage
Mode
1.5
1.5
1.5
V
I
IN(1)
, Logical “1”
V
IN(1)
=5V; CS , RD
0.005
1
0.005
1
µA
Input Current
V
IN(1)
=5V; WR
0.1
3
0.1
0.3
3
µA
V
IN(1)
=5V; Mode
50
200
50
170
200
µA
I
IN(0)
, Logical “0”
V
IN(0)
=0V; CS , RD , WR ,
−0.005
−1
−0.005
−1
µA
Input Current
Mode
V
OUT(1)
, Logical “1”
V
CC
=4.75V, I
OUT
=−360 µA;
2.4
2.8
2.4
V
Output Voltage
DB0–DB7, OFL , INT
V
CC
=4.75V, I
OUT
=−10 µA;
4.5
4.6
4.5
V
DB0–DB7, OFL , INT
V
OUT(0)
, Logical “0”
V
CC
=4.75V, I
OUT
=1.6 mA;
0.4
0.34
0.4
V
Output Voltage
DB0–DB7, OFL , INT , RDY
I
OUT
, TRI-STATE
V
OUT
=5V; DB0–DB7, RDY
0.1
3
0.1
0.3
3
µA
Output Current
V
OUT
=0V; DB0–DB7, RDY
−0.1
−3
−0.1
−0.3
−3
µA
I
SOURCE
, Output
V
OUT
=0V; DB0–DB7, OFL
−12
−6
−12
−7.2
−6
mA
Source Current
INT
−9
−4.0
−9
−5.3
−4.0
mA
I
SINK
, Output Sink
V
OUT
=5V; DB0–DB7, OFL ,
14
7
14
8.4
7
mA
Current
INT , RDY
I
CC
, Supply Current
CS =WR =RD =0
7.5
15
7.5
13
15
mA
AC Electrical Characteristics
The following specifications apply for V
CC
=5V, t
r
=t
f
=20 ns, V
REF
(+)=5V, V
REF
(−)=0V and T
A
=25˚C unless otherwise speci-
fied.
Typ
Tested
Design
Parameter
Conditions
(Note 6)
Limit
Limit
Units
(Note 7)
(Note 8)
t
CRD
, Conversion Time for RD
Mode
Pin 7 = 0,
Figure 2
1.6
2.5
µs
t
ACC0
, Access Time (Delay from
Pin 7 = 0,
Figure 2
t
CRD
+20
t
CRD
+50
ns
Falling Edge of RD to Output
Valid)
t
CWR-RD
, Conversion Time for
Pin 7 = V
CC
; t
WR
= 600 ns,
1.52
µs
WR-RD Mode
t
RD
=600 ns; Figures 3, 4
t
WR
, Write Time
Min
Pin 7 = V
CC
;
Figures 3, 4
600
ns
Max
(Note 4) See Graph
50
µs
t
RD
, Read Time
Min
Pin 7 = V
CC
;
Figures 3, 4
600
ns
(Note 4) See Graph
t
ACC1
, Access Time (Delay from
Pin 7 = V
CC
, t
RD
<
t
I
;
Figure 3
Falling Edge of RD to Output
Valid)
C
L
=15 pF
190
280
ns
C
L
=100 pF
210
320
ns
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