DAC08 Datasheet PDF - Analog Devices
| Part Number | DAC08 | |
| Description | Multiplying D/A Converter | |
| Manufacturers | Analog Devices | |
| Logo |  |
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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
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
reference current range. Matching to within 1 LSB between
reference 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
operation to effectively double the peak-to-peak output swing.
In many applications, the outputs can be directly converted to
voltage without the need for an external op amp. All DAC08
series models guarantee full 8-bit monotonicity, and nonlineari-
ties as tight as ±0.1% over the entire operating temperature
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 applications;
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, LCD display drivers, high speed modems, and other
applications where low cost, high speed, and complete
input/output versatility are required.
DAC08
14
VREF (+)
FUNCTIONAL BLOCK DIAGRAM
(MSB)
V+ VLC B1 B2 B3 B4 B5 B6
13 1 5 6 7 8 9 10
BIAS
NETWORK
CURRENT
SWITCHES
15
VREF (–)
REFERENCE
AMPLIFIER
16
COMP
3
V–
Figure 1.
B7
11
(LSB)
B8
12
4 IOUT
2
IOUT
Rev. C
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 that may result from its use.
Specifications subject to change without notice. No license is granted by implication
or otherwise under any patent or patent rights of Analog Devices. Trademarks and
registered trademarks are the property of their respective owners.
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781.329.4700
www.analog.com
Fax: 781.326.8703 © 2004 Analog Devices, Inc. All rights reserved.
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ABSOLUTE MAXIMUM RATINGS
Table 3.
Parameter
Rating
Operating Temperature
DAC08AQ, DAC08Q
−55°C to +125°C
DAC08HQ, DAC08EQ, DAC08CQ,
DAC08HP, DAC08EP
0°C to +70°C
DAC08CP, DAC08CS
−40°C to +85°C
Junction Temperature (TJ)
Storage Temperature Q Package
Storage Temperature P Package
Lead Temperature (Soldering, 60 sec)
V+ Supply to V− Supply
Logic Inputs
−65°C to +150°C
−65°C to +150°C
−65°C to +125°C
300°C
36 V
V− to V− + 36 V
VLC
Analog Current Outputs (at VS− = 15 V)
Reference Input (V14 to V15)
Reference Input Differential Voltage
V− to V+
4.25 mA
V− to V+
(V14 to V15)
Reference Input Current (I14)
±18 V
5.0 mA
DAC08
Package Type
16-Lead CERDIP (Q)
16-Lead PDIP (P)
20-Terminal LCC (RC)
16-Lead SOIC (S)
θJA1 θJC Unit
100 16 °C/W
82 39 °C/W
76 36 °C/W
111 35 °C/W
1 θJA is specified for worst-case mounting conditions, that is, θJA is specified for
device in socket for CERDIP, PDIP, and LCC packages; θJA is specified for
device soldered to printed circuit board for SOIC package.
Stresses greater than those listed under Absolute Maximum
Ratings may cause permanent damage to the device. This is a
stress rating only and functional operation of the device at these
or any other conditions above those indicated in the operational
section of this specification is not implied. Exposure to absolute
maximum rating conditions for extended periods may affect
device reliability.
ESD CAUTION
ESD (electrostatic discharge) sensitive device. Electrostatic charges as high as 4000 V readily accumulate on
the human body and test equipment and can discharge without detection. Although this product features
proprietary ESD protection circuitry, permanent damage may occur on devices subjected to high energy
electrostatic discharges. Therefore, proper ESD precautions are recommended to avoid performance
degradation or loss of functionality.
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