adc1225ccd-1 National Semiconductor Corporation, adc1225ccd-1 Datasheet - Page 4

• Manufacturer Part Number: adc1225ccd-1
• Description: 12-bit Plus Sign Mp Compatible A/d Converters
• Manufacturer: National Semiconductor Corporation

DIGITAL AND DC CHARACTERISTICS (Continued)
V
Voltage (Min)
V
Voltage (Max)
I
Current (Max)
I
(Min)
I
DI
AI
I
OUT
SOURCE
SINK
b
OUT(1)
OUT(0)
CC
CC
Electrical Characteristics
The following specifications apply for DV
V
AC Electrical Characteristics
The following specifications apply for DV
Note 1 Absolute Maximum Ratings indicate limits beyond which damage to the device may occur DC and AC electrical specifications do not apply when operating
the device beyond its specified operating ratings
Note 2 All voltages are measured with respect to ground unless otherwise specified
Note 3 A parasitic zener diode exists internally from AV
b
b
e
f
Clock Duty Cycle
T
t
t
Falling Edge of RD to
Output Data Valid) (Max)
t
from Rising Edge of RD to
Hi-Z State) (Max)
t
READYOUT Delay (Max)
t
(Max)
V
CLK
W(WR)L
ACC
1H
PD(READYOUT)
PD(INT)
b
C
5 05V
0 05V
b
25 C (Notes 3 4 5 6 7)
TRI-STATE Output Leakage V
DV
AV
Output Sink Current (Min)
e
Conversion Time
Supply Current (Max)
t
0H
Clock Frequency
Logical ‘‘1’’ Output
Logical ‘‘0’’ Output
CC
Access Time (Delay from
CC
GND for unipolar input range unless otherwise specified Bipolar input range is defined as
Output Source Current
s
RD or WR to Reset of INT
Parameter
s
TRI-STATE Control (Delay
Supply Current (Max) f
Supply Current (Max) f
WR Pulse Width
V
V
Parameter
IN(
IN(
b
b
RD or WR to
) s
) s
5 05V and
5 05V and
MIN
MAX
MIN
MAX
MIN
MAX
MIN
MAX
MAX
l
V
I
I
V
I
V
V
V
f
V
OUT
OUT
OUT
CLK
CLK
CLK
l
CC
CC
OUT
OUT
OUT
OUT
IN(
V
IN(
a
e
e
e
e
e
Conditions
eb
eb
e
e
e
e
e
a
)
4 75V
4 75V
1 MHz CS
1 MHz CS
1 MHz CS
1 6 mA
b
)
0V
5V
0V
5V
CC
CC
360 mA
10 mA
b
V
C
R
(Continued)
e
IN(
e
L
V
L
CC
f
f
e
e
IN(
AV
CLK
CLK
b
AV
Conditions
and DV
100 pF
2k C
)
b
l
CC
CC
e
e
e
e
e
s
)
l
1
1
1
e
1 0 MHz
1 0 MHz
s
e
5 05V Boldface limits apply from T
L
CC
5 0V t
e
ADC1205CCJ ADC1225CCD
5 05V Unipolar input range is defined as
(Note 8)
5V V
to ground This parasitic zener has a typical breakdown voltage of 7 V
100 pF
b
b
0 01
Typ
16
10
0 01
1
1
12
r
REF
e
4
t
f
e
e
(Note 9) (Note 10)
Tested
20 ns and T
b
Limit
5V f
100
2 4
4 5
0 4
b
8 0
3
6 0
3
3
(Note 8)
3
CLK
Typ
220
210
170
250
250
1 0
1 0
e
Design
Limit
A
1 0 MHz V
e
25 C unless otherwise specified
(Note 9)
Tested
ADC1205CCJ-1 ADC1225CCD-1
Limit
(Note 8)
0 3
1 5
b
MIN
b
0 01
Typ
b
16
10
0 01
1
1
12
e b
to T
b
MAX
5V for bipolar input range or
b
0 05V
(Note 9)
5 05V
Tested
Limit
b
b
(Note 10)
100
2 4
4 5
0 4
0 3
9 0
2 5
2 5
Design
all other limits T
0 3
7 0
Limit
108
109
108
109
350
340
290
400
400
40
60
s
s
V
V
IN(
DC
IN(
(Note 10)
Design
b
a
Limit
a
100
2 4
4 5
0 4
8 0
b
) s
) s
3
6 0
3
3
3
1 f
1 f
A
Units
Limit
5 05V
5 05V
MHz
MHz
e
ms
ms
ns
ns
ns
ns
ns
%
%
CLK
CLK
Units
Limit
T
mA
mA
mA
mA
mA
mA
mA
J
V
V
V