DAC1230LCJ National Semiconductor, DAC1230LCJ Datasheet - Page 7
DAC1230LCJ
Manufacturer Part Number
DAC1230LCJ
Description
IC DAC MPU COMPATIBLE 10-DIP
Manufacturer
National Semiconductor
Series
MICRO-DAC™r
Datasheet
1.DAC1210LCJ.pdf
(18 pages)
Specifications of DAC1230LCJ
Settling Time
1µs
Number Of Bits
12
Data Interface
Parallel
Number Of Converters
1
Voltage Supply Source
Single Supply
Power Dissipation (max)
500mW
Operating Temperature
-40°C ~ 85°C
Mounting Type
Through Hole
Package / Case
*
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Other names
*DAC1230LCJ
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
DAC1230LCJ
Manufacturer:
NS/国半
Quantity:
20 000
Company:
Part Number:
DAC1230LCJ-1
Manufacturer:
ON
Quantity:
41
Company:
Part Number:
DAC1230LCJ-1
Manufacturer:
NS
Quantity:
5 507
Application Hints
1 1 Automatic Transfer
The 12-bit DAC word is automatically transferred to the DAC register and the R-2R ladder when the second write (the 4 LSBs of
the data) occurs
1 2 Independent Processor Transfer Control
In this case a separate address is decoded to provide the XFER signal This allows the processor to load the next required DAC
word but not change the analog output until some time later most useful for the simultaneous updating of several DACs in a
system where their XFER lines would be tied together
1 3 Transfer via an External Strobe
This method is basically the same as the previous operation except the XFER signal is provided by a device other than the
processor This allows the DAC to hold the code for a conditional analog output signal which will be required on demand from an
external monitoring device (an analog voltage comparator for instance)
WR2 tied to a logic low (0V)
(Continued)
7
TL H 5690 – 7
TL H 5690– 8
TL H 5690– 9