DAC-08CP National Semiconductor, DAC-08CP Datasheet

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DAC-08CP

Manufacturer Part Number
DAC-08CP
Description
8-Bit digital-to-analog converters, non-linearity=+/-0.39%
Manufacturer
National Semiconductor
Datasheet

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C 1995 National Semiconductor Corporation
DAC0800 DAC0801 DAC0802 8-Bit Digital-to-Analog
Converters
General Description
The DAC0800 series are monolithic 8-bit high-speed cur-
rent-output digital-to-analog converters (DAC) featuring typi-
cal 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
differential output voltages of 20 Vp-p with simple resistor
loads as shown in Figure 1 The reference-to-full-scale cur-
rent matching of better than
full-scale trims in most applications while the nonlinearities
of better than
error accumulations
The noise immune inputs of the DAC0800 series will accept
TTL levels with the logic threshold pin V
Changing the V
er logic families The performance and characteristics of the
device are essentially unchanged over the full
g
with
states
Typical Applications
Ordering Information
Non-Linearity
Devices may be ordered by using either order number
g
g
g
g
18V power supply range power dissipation is only 33 mW
0 19% FS
0 19% FS
0 39% FS
0 1% FS
g
5V supplies and is independent of the logic input
g
LC
b
0 1% over temperature minimizes system
potential will allow direct interface to oth-
55 C
0 C
0 C
0 C
Temperature
s
s
s
s
Range
T
T
T
T
A s
A s
A s
FIGURE 1
g
A s
TL H 5686
1 LSB eliminates the need for
a
a
a
a
70 C
70 C
70 C
125 C
g
20 V
DAC0802LCJ DAC-08HQ DAC0802LCN DAC-08HP
DAC0800LCJ DAC-08EQ DAC0800LCN DAC-08EP
DAC0800LJ
LC
P-P
J Package (J16A)
Output Digital-to-Analog Converter (Note 4)
grounded
g
4 5V to
DAC-08Q
The DAC0800 DAC0802 DAC0800C DAC0801C and
DAC0802C are a direct replacement for the DAC-08 DAC-
08A DAC-08C DAC-08E and DAC-08H respectively
Features
Y
Y
Y
Y
Y
Y
Y
Y
Y
Y
Y
Fast settling output current
Full scale error
Nonlinearity over temperature
Full scale current drift
High output compliance
Complementary current outputs
Interface directly with TTL CMOS PMOS and others
2 quadrant wide range multiplying capability
Wide power supply range
Low power consumption
Low cost
DAC0801LCN DAC-08CP
Order Numbers
N Package (N16A)
TL H 5686– 1
SO Package (M16A)
RRD-B30M115 Printed in U S A
DAC0802LCM
DAC0800LCM
DAC0801LCM
g
b
33 mW at
4 5V to
10V to
January 1995
g
10 ppm C
g
g
100 ns
1 LSB
a
g
0 1%
g
18V
18V
5V

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DAC-08CP Summary of contents

Page 1

... Low cost Y Output Digital-to-Analog Converter (Note 4) P-P Order Numbers J Package (J16A) N Package (N16A) DAC0802LCJ DAC-08HQ DAC0802LCN DAC-08HP DAC0800LJ DAC-08Q DAC0800LCJ DAC-08EQ DAC0800LCN DAC-08EP DAC0801LCN DAC-08CP January 1995 100 ns 1 LSB ppm C g 10V to 18V 18V ...

Page 2

... plus 36V DAC0800L DAC0800LC TBD V DAC0801LC 150 DAC0802LC The following specifications apply for and I OUT OUT DAC0802LC Conditions Min Typ Max Min 100 135 ...

Page 3

... Note 2 The maximum junction temperature of the DAC0800 DAC0801 and DAC0802 is 125 C For operating at elevated temperatures devices in the Dual-In-Line J package must be derated based on a thermal resistance of 100 C W junction-to-ambient 175 C W for the molded Dual-In-Line N package and 100 C W for the ...

Page 4

Typical Performance Characteristics Full Scale Current vs Reference Current Reference Amp Common-Mode Range Note Positive common-mode range is always ( Output Current vs Output Voltage (Output Voltage Compliance) LSB Propagation Delay Curve ...

Page 5

Typical Performance Characteristics Power Supply Current Equivalent Circuit Typical Applications (Continued) FIGURE 3 Basic Positive Reference Operation (Note 4) FIGURE 4 Recommended Full Scale Adjustment Circuit (Note 4) (Continued) Power Supply Current FIGURE 2 ...

Page 6

Typical Applications (Continued Full Scale 1 1 Full Scale LSB Half Scale LSB Half Scale 1 0 Half Scale LSB Zero Scale ...

Page 7

... For complementary output (operation as negative logic DAC) connect invert- ing input of op amp to I FIGURE 9 Positive Low Impedance Output Operation (Note 4) For complementary output (operation as a negative logic DAC) connect non-in- verting input FIGURE 10 Negative Low Impedance Output Operation (Note 4) ...

Page 8

Typical Applications (Continued) (a) I peak negative swing of I REF t FIGURE 13 Accommodating Bipolar References (Note 4) FIGURE 14 Settling Time Measurement (Note 4) IN (b) V must be above peak positive swing REF TL ...

Page 9

... FIGURE 15 A Complete 2 s Conversion Time 8-Bit A D Converter (Note 4) Physical Dimensions inches (millimeters) Order Numbers DAC0800 or DAC0802 Note For 1 s conversion time with 8-bit resolution and 7-bit accuracy an LM361 comparator replaces the LM319 and the reference current is doubled by reducing R1 R2 and ...

Page 10

... Molded Small Outline Package (SO) Order Numbers DAC0800LCM DAC0801LCM or DAC0802LCM NS Package Number M16A Order Numbers DAC0800 DAC0801 DAC0802 LIFE SUPPORT POLICY NATIONAL’S PRODUCTS ARE NOT AUTHORIZED FOR USE AS CRITICAL COMPONENTS IN LIFE SUPPORT DEVICES OR SYSTEMS WITHOUT THE EXPRESS WRITTEN APPROVAL OF THE PRESIDENT OF NATIONAL ...

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