ADC12L030CIWM National Semiconductor, ADC12L030CIWM Datasheet - Page 4

• Manufacturer Part Number: ADC12L030CIWM
• Description: 3.3V Self-Calibrating 12-Bit Plus Sign Serial I/O A/D Converters with MUX and Sample/Hold
• Manufacturer: National Semiconductor

www.national.com
Pin Descriptions
V
V
DGND
AGND
REF
A
+, V
−
D
+
1 V
not exceed V
mended bypassing.
The negative voltage reference input. In order
to maintain accuracy the voltage at this pin
must not go below GND or exceed V
Figure 6 ).
These are the analog and digital power supply
pins. V
on the chip. These pins should be tied to the
same power supply and bypassed separately
(see Figure 6 ). The operating voltage range of
V
This is the digital ground pin (see Figure 6 ).
This is the analog ground pin (see Figure 6 ).
A
+ and V
DC
to 3.3 V
A
+
and V
D
+ is 3.0 V
DC
A
(Continued)
+. See Figure 6 for recom-
D
and the voltage at V
+
are not connected together
DC
to 5.5 V
DC
.
REF
A
+. (See
+ can-
4