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.
Current into V
+
(Note 3) 15 mA
Supply Voltage, V
CC
(Note 3) 6.5V
Voltage
Logic Inputs −0.3V to V
CC
+ 0.3V
Analog Inputs −0.3V to V
CC
+ 0.3V
Input Current per Pin (Note 4)
±
5mA
Package
±
20 mA
Storage Temperature −65˚C to +150˚C
Package Dissipation
at T
A
=
25˚C (Board Mount) 0.8W
Lead Temperature (Soldering 10 sec.)
Dual-In-Line Package (Plastic) 260˚C
Molded Chip Carrier Package
Vapor Phase (60 sec.) 215˚C
Infrared (15 sec.) 220˚C
ESD Susceptibility (Note 5) 2000V
Operating Ratings (Notes 1, 2)
Supply Voltage, V
CC
4.5 V
DC
to 6.3 V
DC
Temperature Range T
MIN
≤T
A
≤T
MAX
ADC0832/8CIWM −40˚C to +85˚C
ADC0834BCN,
ADC0838BCV,
ADC0831/2/4/8CCN,
ADC0838CCV,
ADC0831/2/4/8CCWM 0˚C to +70˚C
Converter and Multiplexer Electrical Characteristics The following specifications apply for
V
CC
=
V+
=
V
REF
=
5V, V
REF
≤ V
CC
+0.1V, T
A
=
T
j
=
25˚C, and f
CLK
=
250 kHz unless otherwise specified. Boldface limits
apply from T
MIN
to T
MAX
.
Parameter
Conditions CIWM Devices BCV, CCV, CCWM, BCN
and CCN Devices
Typ Tested Design Typ Tested Design Units
(Note 12) Limit Limit (Note 12) Limit Limit
(Note 13) (Note 14) (Note 13) (Note 14)
CONVERTER AND MULTIPLEXER CHARACTERISTICS
Total Unadjusted Error V
REF
=
5.00 V
ADC0838BCV (Note 6)
±
1
⁄
2
±
1
⁄
2
ADC0834BCN
±
1
⁄
2
±
1
⁄
2
LSB
(Max)
ADC0838CCV
±
1
±
1
ADC0831/2/4/8CCN
±
1
±
1
ADC0831/2/4/8CCWM
±
1
±
1
ADC0832/8CIWM
±
1
Minimum Reference 3.5 1.3 3.5 1.3 1.3 kΩ
Input Resistance (Note 7)
Maximum Reference 3.5 5.9 3.5 5.4 5.9 kΩ
Input Resistance (Note 7)
Maximum Common-Mode
Input Range (Note 8)
V
CC
+0.05 V
CC
+0.05 V
CC
+0.05 V
Minimum Common-Mode
Input Range (Note 8)
GND −0.05 GND −0.05 GND−0.05 V
DC Common-Mode Error
±
1/16
±
1
⁄
4
±
1/16
±
1
⁄
4
±
1
⁄
4
LSB
Change in zero 15 mA into V+
error from V
CC
=
5V V
CC
=
N.C.
to internal zener V
REF
=
5V
operation (Note 3) 1 1 1 LSB
V
Z
, internal MIN 15 mA into V+ 6.3 6.3 6.3
diode breakdown MAX 8.5 8.5 8.5 V
(at V
+
) (Note 3)
Power Supply Sensitivity V
CC
=
5V
±
5
%
±
1/16
±
1
⁄
4
±
1
⁄
4
±
1/16
±
1
⁄
4
±
1
⁄
4
LSB
I
OFF
, Off Channel Leakage On Channel
=
5V, −0.2 −0.2 −1 µA
Current (Note 9) Off Channel
=
0V −1
On Channel
=
0V, +0.2 +0.2 +1 µA
Off Channel
=
5V +1
www.national.com 4
评论0
最新资源