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PDF DAC10GS Data sheet ( Hoja de datos )
| Número de pieza | DAC10GS | |
| Descripción | 10-Bit High Speed Multiplying D/A Converter Universal Digital Logic Interface | |
| Fabricantes | Analog Devices | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de DAC10GS (archivo pdf) en la parte inferior de esta página. Total 10 Páginas | ||
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a 10-Bit High Speed Multiplying D/A Converter
(Universal Digital Logic Interface)
DAC10*
FEATURES
Fast Settling: 85 ns
Low Full-Scale Drift: 10 ppm/؇C
Nonlinearity to 0.05% Max Over Temperature Range
Complementary Current Outputs: 0 mA to 4 mA␣
Wide Range Multiplying Capability: 1 MHz Bandwidth
Wide Power Supply Range: +5, –7.5 Min to ؎18 V Max
Direct Interface to TTL, CMOS, ECL, PMOS, NMOS
Availability in Die Form␣
GENERAL DESCRIPTION
The DAC10 series of 10-bit monolithic multiplying digital-to-
analog converters provide high speed performance and full-scale
accuracy.
Advanced circuit design achieves 85 ns settling times with very
low “glitch” energy and low power consumption. Direct inter-
face to all popular logic families with full noise immunity is
provided by the high swing, adjustable threshold logic inputs.
All DAC10 series models guarantee full 10-bit monotonicity,
and nonlinearities as tight as +0.05% over the entire operating
temperature range are available. Device performance is essen-
tially unchanged over the ± 18 V power supply range, with
85 mW power consumption attainable at lower supplies.
A highly stable, unique trim method is used, which selectively
shorts Zener diodes, to provide 1/2 LSB full-scale accuracy
without the need for laser trimming.
Single-chip reliability, coupled with low cost and outstanding
flexibility, make the DAC10 device an ideal building block for
A/D converters, Data Acquisition systems, CRT displays, pro-
grammable test equipment and other applications where low
power consumption, input/output versatility and long-term
stability are required.
VREF (+)
16
VREF (–)
17
V+
15
VLC
1
SIMPLIFIED SCHEMATIC
MSB
LSB
B1 B2 B3 B4 B5 B6 B7 B8 B9 B10
5 6 7 8 9 10 11 12 13 14
BIAS NETWORK
CURRENT SWITCHES
REFERENCE
AMPLIFIER
4
IOUT
2 IOUT
18
COMP
3
V–
*Protected by Patent Nos. 4,055,770, 4,056,740 and 4,092,639.
REV. D
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: 781/329-4700 World Wide Web Site: http://www.analog.com
Fax: 781/326-8703
© Analog Devices, Inc., 1998
1 page  
Typical Performance Characteristics–DAC10
8.0
TA = TMIN TO TMAX
7.2 ALL BITS ON
6.4
0mA
1.0mA
2.0mA
IREF = 2mA
(0000000000)
IOUT
IOUT
(11111111111)
5.6
4.8
V– = –15V, V– = –10V IREF = 2mA
4.0
3.2
2.4
1.6
0.8
0
–14 –10
IREF = 1mA
IREF = 0.2mA
–6 –2 2 6 10 14 18
OUTPUT VOLTAGE – Volts
Figure 1. True and Complementary
Output Operations
Figure 2. Output Current vs. Output
Voltage (Output Voltage Compliance)
+28
+24
+20
+16
+12
+8
SHADED AREA INDICATES
PERMISSABLE OUTPUT
VOLTAGE RANGE
FOR V– = –15V
IREF Յ 2.0mA
+4 FOR OTHER V– OR IREF
SEE OUTPUT CURRENT
0 vs. OUTPUT VOLTAGE
CURVE
–4
–8
–12
–50 0 +50 +100 +150
TEMPERATURE – ؇C
Figure 3. Output Voltage Compliance
vs. Temperature
10
9
I–
8
7
6
ALL BITS "HIGH" OR "LOW"
5
4
3
2 I+
1
0
0 2 4 6 8 10 12 14 16 18 20
V+, POSITIVE POWER SUPPLY – VDC
Figure 4. Power Supply Current
vs. V+
10
BITS MAY BE HIGH OR LOW
9
I – WITH IREF = 2mA
8
7
6 I – WITH IREF = 1mA
5
4 I – WITH IREF = 0.2mA
3
2 I – WITH IREF = 0.2mA
1
0
0 –4 –8 –12 –16 –20
V–, NEGATIVE POWER SUPPLY – VDC
Figure 5. Power Supply Current
vs. V–
10
V– = –15V
I–
9
8 IREF = 2.0mA
7
6
ALL BITS MAY BE "HIGH" OR "LOW"
5
4
3
V+ = +15V
I+
2
1
0
–50 0 +50 +100 +150
TEMPERATURE – ؇C
Figure 6. Power Supply Current vs.
Temperature
BASIC CONNECTIONS
IFR
=
+RVRREEFF؋
1023
1024
؋
2
IO + IO = IFR FOR ALL
LOGIC STATES
MSB
LSB
B1 B2 B3 B4 B5 B6 B7 B8 B9 B10
+VREF
RREF
(R16) 16
IREF
R17
17
5 6 7 8 9 10 11 12 13 14
DAC10
4
2
IO
IO
3 18
CC
0.1F
V–
15 1
COMP
0.01F
V+ VLC
FOR FIXED REFERENCE,
TTL OPERATION,
TYPICAL VALUES ARE:
VREF = +10.000V
RREF = 5.000k⍀
R15 = RREF
CC = 0.01F
VLC = 0V (GROUND)
Figure 7. Basic Positive Reference Operation
+VREF
RREF IREF
IIN
VIN 16
RIN DAC10
17
RREF R17 +VREF
VIN
IREF PEAK NEGATIVE SWING OF IIN
RREF
16
R17
(OPTIONAL) 17
DAC10
HIGH INPUT
IMPEDANCE
+VREF MUST BE ABOVE PEAK POSITIVE SWING OF VIN
Figure 8. Accommodating Bipolar References
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.
REV. D
–5–
WARNING!
ESD SENSITIVE DEVICE
5 Page | ||
| Páginas | Total 10 Páginas | |
| PDF Descargar | [ Datasheet DAC10GS.PDF ] | |
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