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PDF ( 数据手册 , 数据表 ) DAC-0802

零件编号 DAC-0802
描述 8-Bit Digital-to-Analog Converters
制造商 National Semiconductor
LOGO National Semiconductor LOGO 


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DAC-0802 数据手册, 描述, 功能
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







DAC-0802 pdf, 数据表
Typical Applications (Continued)
www.DataSheet4U.com
00568617
Full Scale
Full Scale−LSB
Half Scale+LSB
Half Scale
Half Scale−LSB
Zero Scale+LSB
Zero Scale
B1 B2 B3 B4 B5 B6 B7 B8
11111111
11111110
10000001
10000000
01111111
00000001
00000000
IO mA
1.992
1.984
1.008
1.000
0.992
0.008
0.000
IOmA
0.000
0.008
0.984
0.992
1.000
1.984
1.992
EO
−9.960
−9.920
−5.040
−5.000
−4.960
−0.040
0.000
FIGURE 6. Basic Unipolar Negative Operation (Note 4)
EO
0.000
−0.040
−4.920
−4.960
−5.000
−9.920
−9.960
00568606
Pos. Full Scale
Pos. Full Scale−LSB
Zero Scale+LSB
Zero Scale
Zero Scale−LSB
Neg. Full Scale+LSB
Neg. Full Scale
B1 B2 B3 B4 B5 B6 B7 B8 EO
EO
1 1 1 1 1 1 1 1 −9.920 +10.000
1 1 1 1 1 1 1 0 −9.840 +9.920
1 0 0 0 0 0 0 1 −0.080 +0.160
1 0 0 0 0 0 0 0 0.000 +0.080
0 1 1 1 1 1 1 1 +0.080 0.000
0 0 0 0 0 0 0 1 +9.920 −9.840
0 0 0 0 0 0 0 0 +10.000 −9.920
FIGURE 7. Basic Bipolar Output Operation (Note 4)
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