a
8-Bit, High Speed, Multiplying D/A Converter
(Universal Digital Logic Interface)
DAC08
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.
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-
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
DAC08
TYPICAL ELECTRICAL CHARACTERISTICS
characteristics apply to both I
OUT
and
I
OUT
.)
Parameter
Reference Input Slew Rate
Propagation Delay
Settling Time
Symbol
dI/dt
t
PLH
, t
PHL
t
S
Conditions
T
A
= 25°C, Any Bit
To +1/2 LSB, All Bits
Switched ON or OFF,
T
A
= 25°C
All Grades
Typical
8
35
85
Units
mA/µs
ns
ns
(@ V
S
=
15 V, and I
REF
= 2.0 mA, unless otherwise noted. Output
NOTES
For DAC08NT & GT 25°C characteristics, see DAC08N & G characteristics respectively.
Specifications subject to change without notice
ABSOLUTE MAXIMUM RATINGS
1
PIN CONNECTIONS
16-Pin Dual-In-Line Package
(Q Suffix)
Operating Temperature
DAC08AQ, Q . . . . . . . . . . . . . . . . . . . . . . –55°C to +125°C
DAC08HQ, EQ, CQ, HP, EP, CP, CS . . . . . 0°C to +70°C
Junction Temperature (T
J
) . . . . . . . . . . . . . . –65°C to +150°C
Storage Temperature Q Package . . . . . . . . . . –65°C to +150°C
Storage Temperature P Package . . . . . . . . . . –65°C to +125°C
Lead Temperature (Soldering, 60 sec) . . . . . . . . . . . . . . 300°C
V+ Supply to V– Supply . . . . . . . . . . . . . . . . . . . . . . . . . . 36 V
Logic Inputs . . . . . . . . . . . . . . . . . . . . . . . . V– to V– plus 36 V
V
LC
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . V– to V+
Analog Current Outputs (at V
S
– = 15 V) . . . . . . . . . . 4.25 mA
Reference Input (V
14
to V
15
) . . . . . . . . . . . . . . . . . . . V– to V+
Reference Input Differential Voltage
(V
14
to V
15
) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
±
18 V
Reference Input Current (I
14
) . . . . . . . . . . . . . . . . . . . 5.0 mA
Package Type
16-Pin Hermetic DIP (Q)
16-Pin Plastic DIP (P)
20-Contact LCC (RC)
16-Pin SO (S)
JA
2
JC
16-Lead SO
(S Suffix)
Units
°C/W
°C/W
°C/W
°C/W
100
82
76
111
16
39
36
35
NOTES
1
Absolute maximum ratings apply to both DICE and packaged parts, unless
otherwise noted.
2
θ
JA
is specified for worst case mounting conditions, i.e.,
θ
JA
is specified for device
in socket for cerdip, P-DIP, and LCC packages;
θ
JA
is specified for device soldered
to printed circuit board for SO package.
DAC08RC/883 20-Lead LCC
(RC Suffix)
ORDERING GUIDE
1
16-Pin Dual-In-Line Package
NL
0.1%
0.19%
0.39%
Hermetic
DAC08AQ
2
DAC08HQ
DAC08Q
2
DAC08EQ
DAC08CQ
Plastic
DAC08HP
DAC08RC/883
DAC08EP
DAC08CP
DAC08CS
3
LCC
Operating
Temperature
Range
MIL
COM
MIL
COM
COM
COM
NC = NO CONNECT
NOTES
1
Burn-in is available on commercial and industrial temperature range parts in
cerdip, plastic DIP, and TO-can packages.
2
For devices processed in total compliance to MIL-STD-883, add /883 after
part number. Consult factory for 883 data sheet.
3
For availability and burn-in information on SO and PLCC packages, contact
your local sales office.
REV. A
–3–
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