Rainbow Electronics ADC0820 - Manual (Page 3)

DC Electrical Characteristics
The following specifications apply for V
CC e 5V unless otherwise specified
Boldface limits apply from T
MIN
to T
MAX
all other limits T
A e T
J e 25 C
Parameter Conditions
ADC0820BCN ADC0820CCN
Units
Limit
ADC0820CCJ
ADC0820BCV ADC0820CCV
ADC0820BCWM ADC0820CCWM
ADC0820CCMSA 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 e 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 e 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) e 5V CS RD 0 005 1 0 005 1 m A
Input Current V IN(1) e 5V WR 0 1 3 0 1 0 3 3 m A
V IN(1) e 5V Mode 50 200 50 170 200 m A
I
IN(0)
Logical ‘‘0’’ V
IN(0) e 0V CS RD WR b 0 005 b 1 b 0 005 b 1 m A
Input Current Mode
V OUT(1) Logical ‘‘1’’ V CC e 4 75V I OUT e b 360 mA 2 4 2 8 2 4 V
Output Voltage DB0 – DB7 OFL INT
V
CC e 4 75V I OUT e b 10 mA 4 5 4 6 4 5 V
DB0 – DB7 OFL INT
V OUT(0) Logical ‘‘0’’ V CC e 4 75V I OUT e 1 6 mA 0 4 0 34 0 4 V
Output Voltage DB0 – DB7 OFL INT RDY
I
OUT
TRI-STATE V
OUT e 5V DB0 – DB7 RDY 0 1 3 0 1 0 3 3 m A
Output Current V
OUT e 0V DB0 – DB7 RDY b 0 1 b 3 b 0 1 b 0 3 b 3 m A
I SOURCE Output V OUT e 0V DB0 – DB7 OFL b 12 b 6 b 12 b 7 2 b 6 mA
Source Current INT b 9 b 4 0 b 9 b 5 3 b 4 0 mA
I
SINK
Output Sink V
OUT e 5V DB0 – DB7 OFL 14 7 14 8 4 7 mA
Current INT RDY
I CC Supply Current CSeWReRDe0 7 5 15 7 5 13 15 mA
AC Electrical Characteristics
The following specifications apply for V
CC e 5V t
r e t
f e 20 ns V
REF
(a)e5V
V
REF
(b)e0V and T
A e 25 C unless otherwise specified
Typ
Tested Design
Parameter Conditions
(Note 6)
Limit Limit Units
(Note 7) (Note 8)
t CRD Conversion Time for RD Mode Pin 7 e 0 (Figure 2) 1 6 2 5 m s
t
ACC0
Access Time (Delay from Pin 7 e 0 (Figure 2) t
CRD a 20 t
CRD a 50 ns
Falling Edge of RD to Output Valid)
t CWR-RD Conversion Time for Pin 7 e V CC t WR e 600 ns 1 52 m s
WR-RD Mode t RD e 600 ns (Figures 3a and 3b)
t WR Write Time Min Pin 7 e V CC
(Figures 3a and 3b) 600 ns
Max (Note 4) See Graph 50 m s
t RD Read Time Min Pin 7 e V CC (Figures 3a and 3b) 600 ns
(Note 4) See Graph
t ACC1 Access Time (Delay from Pin 7 e V CC t RD k t I
(Figure 3a)
Falling Edge of RD to Output Valid) C L e 15 pF 190 280 ns
C
L e 100 pF 210 320 ns
t ACC2 Access Time (Delay from Pin 7 e V CC t RD l t I
(Figure 3b)
Falling Edge of RD to Output Valid) C L e 15 pF 70 120 ns
C
L e 100 pF 90 150 ns
t ACC3 Access Time (Delay from Rising R PULLUP e 1k and C L e 15 pF 30 ns
Edge of RDY to Output Valid)
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