ADC0820BCWM National Semiconductor, ADC0820BCWM Datasheet - Page 4

• Manufacturer Part Number: ADC0820BCWM
• Description: 8-Bit High Speed P Compatible A/D Converter with Track/Hold Function
• Manufacturer: National Semiconductor

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