DAC0800LJ National Semiconductor, DAC0800LJ Datasheet

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DAC0800LJ

Manufacturer Part Number
DAC0800LJ
Description
8-Bit Digital-to-Analog Converters
Manufacturer
National Semiconductor
Datasheet

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© 1999 National Semiconductor Corporation
Note 1: Devices may be ordered by using either order number.
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
full-scale trims in most applications while the nonlinearities
of better than
ror accumulations.
The noise immune inputs of the DAC0800 series will accept
TTL levels with the logic threshold pin, V
Changing the V
logic families. The performance and characteristics of the
device are essentially unchanged over the full
±
with
states.
Typical Applications
Ordering Information
Non-Linearity
18V power supply range; power dissipation is only 33 mW
±
±
±
0.19% FS
0.19% FS
0.1% FS
±
5V supplies and is independent of the logic input
±
0.1% over temperature minimizes system er-
LC
−55˚C
potential will allow direct interface to other
0˚C
0˚C
Temperature
Range
±
T
T
T
FIGURE 1.
1 LSB eliminates the need for
A
A
A
+70˚C
+70˚C
+125˚C
±
DS005686
20 V
J Package (J16A) (Note 1) N Package (N16E) (Note 1) SO Package (M16A)
DAC0802LCJ DAC-08HQ DAC0802LCN
DAC0800LCJ
DAC0800LJ
LC
P-P
, grounded.
Output Digital-to-Analog Converter (Note 5)
±
4.5V to
DAC-08EQ DAC0800LCN
DAC-08Q
The DAC0800, DAC0802, DAC0800C and DAC0802C are a
direct replacement for the DAC-08, DAC-08A, DAC-08C,
and DAC-08H, respectively.
Features
n Fast settling output current:
n Full scale error:
n Nonlinearity over temperature:
n Full scale current drift:
n High output compliance: −10V to +18V
n Complementary current outputs
n Interface directly with TTL, CMOS, PMOS and others
n 2 quadrant wide range multiplying capability
n Wide power supply range:
n Low power consumption: 33 mW at
n Low cost
Order Numbers
±
1 LSB
DAC-08HP
DAC-08EP
DS005686-1
±
10 ppm/˚C
±
4.5V to
100 ns
±
0.1%
±
±
5V
18V
DAC0802LCM
DAC0800LCM
www.national.com
June 1999

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DAC0800LJ Summary of contents

Page 1

... LC n Low power consumption Low cost ± 4.5V to Output Digital-to-Analog Converter (Note 5) P-P Order Numbers J Package (J16A) (Note 1) N Package (N16E) (Note 1) SO Package (M16A) DAC0802LCJ DAC-08HQ DAC0802LCN DAC0800LJ DAC-08Q DAC0800LCJ DAC-08EQ DAC0800LCN June 1999 100 ns ± 0.1% ± 10 ppm/˚C ± ...

Page 2

... Absolute Maximum Ratings If Military/Aerospace specified devices are required, please contact the National Semiconductor Sales Office/ Distributors for availability and specifications. + − Supply Voltage (V − Power Dissipation (Note 3) Reference Input Differential Voltage (V14 to V15) Reference Input Common-Mode Range (V14, V15) Reference Input Current ...

Page 3

Electrical Characteristics = The following specifications apply for V S characteristics refer to both I and I OUT OUT Symbol Parameter ± = Power Supply Current I− = 5V, −15V I− = ± ...

Page 4

Block Diagram (Note 5) Typical Performance Characteristics Full Scale Current vs Reference Current DS005686-22 Reference Amp Common-Mode Range DS005686-25 Note. Positive common-mode range is always (V+) − 1.5V. www.national.com LSB Propagation Delay DS005686-23 Logic Input Current vs ...

Page 5

Typical Performance Characteristics Output Current vs Output Voltage (Output Voltage Compliance) DS005686-28 Power Supply Current vs +V DS005686-31 Equivalent Circuit (Continued) Output Voltage Compliance vs Temperature DS005686-29 Power Supply Current vs −V DS005686-32 FIGURE 2. 5 Bit Transfer Characteristics DS005686-30 ...

Page 6

Typical Applications = for all logic states For fixed reference, TTL operation, typical values are: = 10.000V V REF = 5.000k R REF R15 R REF = 0.01 µ ...

Page 7

Typical Applications (Continued) Pos. Full Scale Pos. Full Scale−LSB Zero Scale+LSB Zero Scale Zero Scale−LSB Neg. Full Scale+LSB Neg. Full Scale FIGURE 7. Basic Bipolar Output Operation (Note 5) ± within 0.05%, output is symmetrical about ...

Page 8

Typical Applications (Continued) For complementary output (operation as a negative logic DAC) connect non-inverting input FIGURE 10. Negative Low Impedance Output Operation (Note 5) = 5k,+V = 10V Typical values FIGURE 11. ...

Page 9

Typical Applications (Continued) FIGURE 14. Settling Time Measurement (Note 5) Note. For 1 µs 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 R3 ...

Page 10

Physical Dimensions inches (millimeters) unless otherwise noted www.national.com Molded Small Outline Package (SO) Order Numbers DAC0800LCM, or DAC0802LCM NS Package Number M16A Molded Small Outline Package (SO) Order Numbers DAC0800LCM, or DAC0802LCM NS Package Number M16A 10 ...

Page 11

... 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 AND GENERAL COUNSEL OF NATIONAL SEMICONDUCTOR CORPORATION. As used herein: 1. Life support devices or systems are devices or systems which, (a) are intended for surgical implant ...

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