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DAC08HQ Schematic ( PDF Datasheet ) - Analog Devices

Teilenummer DAC08HQ
Beschreibung 8-Bit/ High Speed/ Multiplying D/A Converter (Universal Digital Logic Interface)
Hersteller Analog Devices
Logo Analog Devices Logo 




Gesamt 12 Seiten
DAC08HQ Datasheet, Funktion
a 8-Bit, High Speed, Multiplying D/A Converter
(Universal Digital Logic Interface)
DAC08
FEATURES
Fast Settling Output Current: 85 ns
Full-Scale Current Prematched to ؎1 LSB
Direct Interface to TTL, CMOS, ECL, HTL, PMOS
Nonlinearity to 0.1% Maximum Over
Temperature Range
High Output Impedance and Compliance:
–10 V to +18 V
Complementary Current Outputs
Wide Range Multiplying Capability: 1 MHz Bandwidth
Low FS Current Drift: ؎10 ppm/؇C
Wide Power Supply Range: ؎4.5 V to ؎18 V
Low Power Consumption: 33 mW @ ؎5 V
Low Cost
Available in Die Form
GENERAL DESCRIPTION
The DAC08 series of 8-bit monolithic digital-to-analog convert-
ers provide very high-speed performance coupled with low cost
and outstanding applications flexibility.
Advanced circuit design achieves 85 ns settling times with very
low “glitch” energy and at low power consumption. Monotonic
multiplying performance is attained over a wide 20 to 1 refer-
ence current range. Matching to within 1 LSB between refer-
ence and full-scale currents eliminates the need for full-scale
trimming in most applications. Direct interface to all popular
logic families with full noise immunity is provided by the high
swing, adjustable threshold logic input.
High voltage compliance complementary current outputs are
provided, increasing versatility and enabling differential opera-
tion to effectively double the peak-to-peak output swing. In
many applications, the outputs can be directly converted to volt-
age without the need for an external op amp.
All DAC08 series models guarantee full 8-bit monotonicity, and
nonlinearities as tight as ± 0.1% over the entire operating tem-
perature range are available. Device performance is essentially
unchanged over the ± 4.5 V to ± 18 V power supply range, with
33 mW power consumption attainable at ± 5 V supplies.
The compact size and low power consumption make the
DAC08 attractive for portable and military/aerospace appli-
cations; devices processed to MIL-STD-883, Level B are
available.
DAC08 applications include 8-bit, 1 µs A/D converters, servo
motor and pen drivers, waveform generators, audio encoders
and attenuators, analog meter drivers, programmable power
supplies, CRT display drivers, high-speed modems and other
applications where low cost, high speed and complete input/out-
put versatility are required.
FUNCTIONAL BLOCK DIAGRAM
REV. A
Information furnished by Analog Devices is believed to be accurate and
reliable. However, no responsibility is assumed by Analog Devices for its
use, nor for any infringements of patents or other rights of third parties
which may result from its use. No license is granted by implication or
otherwise under any patent or patent rights of Analog Devices.
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 617/329-4700
Fax: 617/326-8703






DAC08HQ Datasheet, Funktion
DAC08–Typical Performance Characteristics
Figure 7. Full-Scale Current
vs. Reference Current
Figure 8. LSB Propagation
Delay vs. IFS
Figure 9. Reference Input
Frequency Response
Figure 10. Reference Amp
Common-Mode Range
Figure 11. Logic Input Current vs.
Input Voltage
Figure 12. VTH–VLC vs. Temperature
Figure 13. Output Current vs.
Output Voltage (Output
Voltage Compliance)
Figure 14. Output Voltage
Compliance vs. Temperature
Figure 15. Bit Transfer Characteristics
–6– REV. A

6 Page









DAC08HQ pdf, datenblatt
DAC08
OUTLINE DIMENSIONS
Dimensions shown in inches and (mm).
N-16
0.840 (21.33)
0.745 (18.93)
16
1
9 0.280 (7.11)
8 0.240 (6.10)
PIN 1
0.210 (5.33)
MAX
0.160 (4.06)
0.115 (2.93)
0.022 (0.558)
0.014 (0.356)
0.100
(2.54)
BSC
0.060 (1.52)
0.015 (0.38)
0.130
(3.30)
MIN
0.070 (1.77) SEATING
0.045 (1.15) PLANE
0.325 (8.25)
0.300 (7.62) 0.195 (4.95)
0.115 (2.93)
0.015 (0.381)
0.008 (0.204)
Q-16
0.005 (0.13) MIN
0.080 (2.03) MAX
16 9
0.310 (7.87)
0.220 (5.59)
18
PIN 1
0.840 (21.34) MAX
0.060 (1.52)
0.200 (5.08)
MAX
0.200 (5.08)
0.125 (3.18)
0.023 (0.58)
0.014 (0.36)
0.100
(2.54)
BSC
0.015 (0.38)
0.150
(3.81)
MIN
0.070
(1.78)
SEATING
PLANE
0.030 (0.76)
0.320 (8.13)
0.290 (7.37)
0.015 (0.38)
15° 0.008 (0.20)
0°
SO-16
0.3937 (10.00)
0.3859 (9.80)
16
0.1574 (4.00)
0.1497 (5.80) 1
9
0.2550 (6.20)
8 0.2284 (5.80)
0.0098 (0.25)
0.0040 (0.10)
PIN 1
0.0688 (1.75)
0.0532 (1.35)
0.0196
0.0099
(0.50)
(0.25)
x
45°
SEATING
PLANE
0.0500
(1.27)
BSC
0.0192 (0.49)
0.0138 (0.35)
8°
0.0099 (0.25) 0° 0.0500 (1.27)
0.0075 (0.19) 0.0160 (0.41)
E-20
0.358 (9.09)
0.342 (8.69)
SQ
TOP
VIEW
0.100 (2.54)
0.064 (1.63)
0.200 (5.08)
0.075 BSC
(1.91)
REF
0.100 (2.54) BSC
0.358
(9.09)
MAX
SQ
0.095 (2.41)
0.075 (1.90)
0.011 (0.28)
0.007 (0.18)
R TYP
0.075 (1.91)
REF
19
18 20
3
4
1
BOTTOM
VIEW
14
13
8
9
0.015 (0.38)
MIN
0.028 (0.71)
0.022 (0.56)
0.050 (1.27)
BSC
45° TYP
0.088 (2.24)
0.055 (1.40) 0.150 (3.81)
0.054 (1.37)
0.045 (1.14)
BSC
–12–
REV. A

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