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PDF DAC-0802 Data sheet ( Hoja de datos )
| Número de pieza | DAC-0802 | |
| Descripción | 8-Bit Digital-to-Analog Converters | |
| Fabricantes | National Semiconductor | |
| Logotipo |  |
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September 2006
www.DataSheet4U.com
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
differential output voltages of 20 Vp-p with simple resistor
loads. The reference-to-full-scale current matching of better
than ±1 LSB eliminates the need for full-scale trims in most
applications, while the nonlinearities of better than ±0.1%
over temperature minimizes system error accumulations.
The noise immune inputs will accept a variety of logic levels.
The performance and characteristics of the device are es-
sentially unchanged over the ±4.5V to ±18V power supply
range and power consumption at only 33 mW with ±5V
supplies is independent of logic input levels.
The DAC0800, DAC0802, DAC0800C and DAC0802C are a
direct replacement for the DAC-08, DAC-08A, DAC-08C,
and DAC-08H, respectively. For single supply operation,
refer to AN-1525.
Features
n Fast settling output current: 100 ns
n Full scale error: ±1 LSB
n Nonlinearity over temperature: ±0.1%
n Full scale current drift: ±10 ppm/˚C
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: ±4.5V to ±18V
n Low power consumption: 33 mW at ±5V
n Low cost
Typical Application
00568601
FIGURE 1. ±20 VP-P Output Digital-to-Analog Converter (Note 4)
Ordering Information
Non-
Linearity
±0.1% FS
±0.19% FS
±0.19% FS
Temperature
Range (TA)
0˚C to +70˚C
−55˚C to +125˚C
0˚C to +70˚C
J Package (J16A) *
DAC0802LCJ DAC-08HQ
DAC0800LJ DAC-08Q
DAC0800LCJ DAC-08EQ
* Devices may be ordered by using either order number.
Order Numbers
N Package (N16E) *
SO Package (M16A)
DAC0802LCN DAC-08HP DAC0802LCM
DAC0800LCN DAC-08EP DAC0800LCM
© 2006 National Semiconductor Corporation DS005686
www.national.com
1 page  
Typical Performance Characteristics (Continued)
Logic Input Current vs.
www.DataSheet4U.comInput Voltage
VTH — VLC vs. Temperature
00568626
Output Current vs. Output
Voltage (Output Voltage
Compliance)
00568627
Output Voltage Compliance vs.
Temperature
Bit Transfer
Characteristics
00568628
00568629
Power Supply Current
vs. +V
00568630
Note. B1–B8 have identical transfer characteristics. Bits are fully switched
with less than 1⁄2 LSB error, at less than ±100 mV from actual threshold.
These switching points are guaranteed to lie between 0.8 and 2V over the
operating temperature range (VLC = 0V).
5
00568631
www.national.com
5 Page 
Typical Applications (Continued)
www.DataSheet4U.com
00568612
(b) +VREF must be above peak positive swing of VIN
(a) IREF ≥ peak negative swing of IIN
00568611
FIGURE 13. Accommodating Bipolar References (Note 4)
FIGURE 14. Settling Time Measurement (Note 4)
00568607
11 www.national.com
11 Page | ||
| Páginas | Total 14 Páginas | |
| PDF Descargar | [ Datasheet DAC-0802.PDF ] | |
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