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Absolute Maximum Ratings
(Notes 1, 2)
If Military/Aerospace specified devices are required,
please contact the National Semiconductor Sales
Office/Distributors for availability and specifications.
Supply Voltage (V
CC
)
Comparator Output (Ramp Stop)
18V
b
0.3V to
a
18V
b
0.3V to
a
30V
b
0.3V to
a
30V
Analog Input Range
Digital Input Range
Output Sink Current
10 mA
Storage Temperature Range
b
65
§
C to
a
150
§
C
Continuous Total Dissipation (Note 8)
Ceramic DIP Package
Molded DIP Package
900 mW
1000 mW
ESD Susceptibility (Note 9)
TBD
Pin Temperature
Ceramic DIP (Soldering, 60 Sec.)
Molded DIP (Soldering, 10 Sec.)
300
§
C
260
§
C
Operating Ratings
(Notes 1, 2)
Operating Temperature Range
ADC9708CCN, ADC9708CCJ
ADC9708CMJ
0
§
C to
a
70
§
C
b
55
§
C to
a
125
§
C
4.75V to 15V
Supply Voltage (V
CC
)
Reference Voltage
(V
REF
) (Note 3)
Ramp Capacitor (C
H
)
Reference Current (I
R
)
Analog Input Range
2.8V to 5.25V
300 pF
12
m
A to 50
m
A
0V to V
REF
Ramp Stop Output Current
1.6 mA
Electrical Characteristics
Over recommended operating conditions, V
CC
e
5.0V,
b
55
§
C
s
T
A
s
a
125
§
C for ADC9708CMJ and 0
§
C
s
T
A
s
a
70
§
C for
ADC9708CCJ or ADC9708CCN; unless otherwise specified.
Symbol
Parameter
Conditions
Typical
(Note 10)
Limit
(Note 11)
Units
(Limit)
E
A
Conversion Accuracy
Over Entire Temperature
Range (Note 4)
g
0.2
g
0.3
% (max)
E
R
Linearity
Applies to Any One
Channel (Note 5)
Channel ON, T
A
e
25
§
C
Channel ON
Analog Input
e
0V to V
REF
C
H
e
300 pF, I
REF
e
50
m
A
C
H
e
1000 pF
g
0.08
g
0.2
% (max)
V
OSM
Multiplexer Input Offset Voltage
2.0
4.0
mV (max)
2.0
7.0
mV (max)
t
C
Conversion Time per Channel
296
350
m
s (max)
t
A
I
A
Acquisition Time
20
40
m
s (max)
Acquisition Current
ADC9708CCN, CCJ
150
m
A (min)
ADC9708CMJ
115
m
A (min)
t
O
t
M
V
IH
V
IL
I
B
I
IL
I
IH
I
OS
I
OH
Ramp Start Delay Time
100
ns
Multiplexer Address Time
1.0
m
s
Digital Input HIGH Voltage
A0, A1, A2, Ramp Start
2.0
V (min)
Digital Input LOW Voltage
A0, A1, A2, Ramp Start
0.8
V
Analog Input Current
Channel ON or OFF
A0, A1, A2, Ramp Start
e
0.4V
A0, A1, A2, Ramp Start
e
5.5V
b
1.0
b
5
b
3.0
b
15
1.0
m
A (min)
Input LOW Current
m
A (min)
Input HIGH Current
m
A (max)
Input Offset Current
1.0
3.0
m
A (max)
Comparator Logic ‘‘1’’
Output Leakage Current
V
OH
e
15V
10
m
A (max)
V
OL
Comparator Logic ‘‘0’’ Output
Voltage
I
OL
e
1.6 mA
0.4
V (max)
PSRR
Power Supply Rejection Ratio
(Note 6)
40
dB (min)
Cross Talk between
Any Two Channels
(Note 7)
60
dB (min)
2