DAC0800/DAC0802 8-Bit Digital-to-Analog Converters
June 1999
DAC0800/DAC0802
8-Bit Digital-to-Analog Converters
General Description
The DAC0800 series are monolithic 8-bit high-speed
current-output digital-to-analog converters (DAC) featuring
typical settling times of 100 ns. When used as a multiplying
DAC, monotonic performance over a 40 to 1 reference cur-
rent range is possible. The DAC0800 series also features
high compliance complementary current outputs to allow dif-
ferential output voltages of 20 Vp-p with simple resistor loads
as shown in
Figure 1.
The reference-to-full-scale current
matching of better than
鹵
1 LSB eliminates the need for
full-scale trims in most applications while the nonlinearities
of better than
鹵
0.1% over temperature minimizes system er-
ror accumulations.
The noise immune inputs of the DAC0800 series will accept
TTL levels with the logic threshold pin, V
LC
, grounded.
Changing the V
LC
potential will allow direct interface to other
logic families. The performance and characteristics of the
device are essentially unchanged over the full
鹵
4.5V to
鹵
18V power supply range; power dissipation is only 33 mW
with
鹵
5V supplies and is independent of the logic input
states.
The DAC0800, DAC0802, DAC0800C and DAC0802C are a
direct replacement for the DAC-08, DAC-08A, DAC-08C,
and DAC-08H, respectively.
Features
n
n
n
n
n
n
n
n
n
n
n
Fast settling output current: 100 ns
Full scale error:
鹵
1 LSB
Nonlinearity over temperature:
鹵
0.1%
Full scale current drift:
鹵
10 ppm/藲C
High output compliance: 鈭?0V to +18V
Complementary current outputs
Interface directly with TTL, CMOS, PMOS and others
2 quadrant wide range multiplying capability
Wide power supply range:
鹵
4.5V to
鹵
18V
Low power consumption: 33 mW at
鹵
5V
Low cost
Typical Applications
DS005686-1
FIGURE 1.
鹵
20 V
P-P
Output Digital-to-Analog Converter
(Note 5)
Ordering Information
Non-Linearity
Temperature
Range
0藲C
鈮?/div>
T
A
鈮?/div>
+70藲C
鈭?5藲C
鈮?/div>
T
A
鈮?/div>
+125藲C
0藲C
鈮?/div>
T
A
鈮?/div>
+70藲C
DAC0802LCJ
DAC0800LJ
DAC0800LCJ
Order Numbers
J Package (J16A)
(Note 1)
N Package (N16E)
(Note 1)
SO Package (M16A)
DAC-08HQ DAC0802LCN
DAC-08Q
DAC-08EQ DAC0800LCN
DAC-08EP
DAC0800LCM
DAC-08HP
DAC0802LCM
鹵
0.1% FS
鹵
0.19% FS
鹵
0.19% FS
Note 1:
Devices may be ordered by using either order number.
漏 1999 National Semiconductor Corporation
DS005686
www.national.com
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Converter IC
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