AD566AJD Analog Devices, AD566AJD Datasheet

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AD566AJD

Manufacturer Part Number
AD566AJD
Description
High speed 12-bit monolithic D/A converters
Manufacturer
Analog Devices
Datasheet

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a
PRODUCT DESCRIPTION
The AD565A and AD566A are fast 12-bit digital-to-analog
converters that incorporate the latest advances in analog circuit
design to achieve high speeds at low cost.
The AD565A and AD566A use 12 precision, high-speed bipolar
current-steering switches, control amplifier and a laser-trimmed
thin-film resistor network to produce a very fast, high accuracy
analog output current. The AD565A also includes a buried
Zener reference that features low-noise, long-term stability and
temperature drift characteristics comparable to the best discrete
reference diodes.
The combination of performance and flexibility in the AD565A
and AD566A has resulted from major innovations in circuit
design, an important new high-speed bipolar process, and con-
tinuing advances in laser-wafer-trimming techniques (LWT).
The AD565A and AD566A have a 10–90% full-scale transition
time less than 35 ns and settle to within ± 1/2 LSB in 250 ns
max (350 ns for AD566A). Both are laser-trimmed at the wafer
level to ± 1/8 LSB typical linearity and are specified to ± 1/4 LSB
max error (K and T grades) at +25°C. High speed and accuracy
make the AD565A and AD566A the ideal choice for high-speed
display drivers as well as fast analog-to-digital converters.
The laser trimming process which provides the excellent linear-
ity is also used to trim both the absolute value and the tempera-
ture coefficient of the reference of the AD565A resulting in a
typical full-scale gain TC of 10 ppm/°C. When tighter TC per-
formance is required or when a system reference is available, the
AD566A may be used with an external reference.
*Covered by Patent Nos.: 3,803,590; RE 28,633; 4,213,806; 4,136,349;
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.
4,020,486; 3,747,088.
FEATURES
Single Chip Construction
Very High-Speed Settling to 1/2 LSB
Full-Scale Switching Time: 30 ns
Guaranteed for Operation with
Linearity Guaranteed Over Temperature:
Monotonicity Guaranteed Over Temperature
Low Power: AD566A = 180 mW max;
Use with On-Board High-Stability Reference (AD565A)
Low Cost
MlL-STD-883-Compliant Versions Available
AD565A: 250 ns max
AD566A: 350 ns max
AD565A with –12 V Supply: AD566A
1/2 LSB max (K, T Grades)
or with External Reference (AD566A)
AD565A = 225 mW max
12 V Supplies:
AD565A and AD566A are available in four performance
grades. The J and K are specified for use over the 0°C to +70°C
temperature range while the S and T grades are specified for the
–55°C to +125°C range. The D grades are all packaged in a
24-lead, hermetically sealed, ceramic, dual-in-line package. The
JR grade is packaged in a 28-lead plastic SOIC.
PRODUCT HIGHLIGHTS
1. The wide output compliance range of the AD565A and
2. The devices incorporate a newly developed, fully differential,
3. The devices also contain SiCr thin film application resistors
4. The AD565A and AD566A are available in versions compli-
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781/329-4700
Fax: 781/326-8703
GND
GND
REF
REF
REF
REF
IN
IN
AD566A are ideally suited for fast, low noise, accurate volt-
age output configurations without an output amplifier.
nonsaturating precision current switching cell structure
which combines the dc accuracy and stability first developed
in the AD562/3 with very fast switching times and an
optimally-damped settling characteristic.
which can be used with an external op amp to provide a
precision voltage output or as input resistors for a successive
approximation A/D converter. The resistors are matched to
the internal ladder network to guarantee a low gain tempera-
ture coefficient and are laser-trimmed for minimum
full-scale and bipolar offset errors.
ant with MIL-STD-883. Refer to the Analog Devices Mili-
tary Products Databook or current /883B data sheet for
detailed specifications.
REF OUT
19.95k
20k
19.95k
20k
Monolithic D/A Converters
–V
–V
10V
FUNCTIONAL BLOCK DIAGRAMS
EE
EE
V
CC
World Wide Web Site: http://www.analog.com
POWER
POWER
GND
GND
0.5mA
0.5mA
AD565A*/AD566A*
I
I
REF
REF
AD566A
AD565A
MSB
MSB
High Speed 12-Bit
CODE INPUT
CODE INPUT
I
4
I
4
OUT
OUT
I
I
REF
REF
=
=
DAC
DAC
© Analog Devices, Inc., 2000
CODE
CODE
9.95k
9.95k
LSB
LSB
BIPOLAR OFF
BIPOLAR OFF
I
I
O
O
5k
5k
5k
5k
8k
8k
20V SPAN
10V SPAN
DAC OUT
20V SPAN
10V SPAN
DAC OUT

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AD566AJD Summary of contents

Page 1

... 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. ...

Page 2

AD565A–SPECIFICATIONS Model 1 DATA INPUTS (Pins 13 to 24) TTL or 5 Volt CMOS Input Voltage Bit ON Logic “1” Bit OFF Logic “0” Logic Current (Each Bit) Bit ON Logic “1” Bit OFF Logic “0” RESOLUTION OUTPUT Current Unipolar ...

Page 3

Model 1 DATA INPUTS (Pins 13 to 24) TTL or 5 Volt CMOS Input Voltage Bit ON Logic “1” Bit OFF Logic “0” Logic Current (Each Bit) Bit ON Logic “1” Bit OFF Logic “0” RESOLUTION OUTPUT Current Unipolar (All ...

Page 4

AD566A–SPECIFICATIONS Model 1 DATA INPUTS (Pins 13 to 24) TTL or 5 Volt CMOS Input Voltage Bit ON Logic “1” Bit OFF Logic “0” Logic Current (Each Bit) Bit ON Logic “1” Bit OFF Logic “0” RESOLUTION OUTPUT Current Unipolar ...

Page 5

Model 1 DATA INPUTS (Pins 13 to 24) TTL or 5 Volt CMOS Input Voltage Bit ON Logic “1” Bit OFF Logic “0” Logic Current (Each Bit) Bit ON Logic “1” Bit OFF Logic “0” RESOLUTION OUTPUT Current Unipolar (All ...

Page 6

... STD-883, refer to the Analog Devices Military Products Databook or current/ 883B data sheet Ceramic DIP SOIC. AD566A ORDERING GUIDE Max Gain T.C. (ppm Temperature 1 Model of F.S./ C) Range AD566AJD 10 0°C to +70°C AD566AKD 3 0°C to +70°C AD566ASD 10 –55°C to +125°C AD566ATD 3 –55°C to +125°C NOTES 1 ...

Page 7

REF OUT (+10V ±1 REF GND AD565A REF IN 6 TOP VIEW (Not to Scale) – BIPOLAR OFFSET IN 8 DAC OUT (–2mA F.S.) 9 10V SPAN R 10 ...

Page 8

AD565A/AD566A FIGURE 1. UNIPOLAR CONFIGURATION This configuration will provide a unipolar 0 volt to +10 volt output range. In this mode, the bipolar terminal, Pin 8, should be grounded if not used for trimming. 100 REF V BIPOLAR OFF CC ...

Page 9

CONNECTING THE AD566A FOR BUFFERED VOLTAGE OUTPUT The standard current-to-voltage conversion connections using an operational amplifier are shown here with the preferred trim- ming techniques low offset operational amplifier (AD510L, AD517L, AD741L, AD301AL, AD OP07) is used, excellent ...

Page 10

AD565A/AD566A FIGURE 6. OTHER VOLTAGE RANGES The AD566A can also be easily configured for a unipolar 0 volt to +5 volt range or ± 2.5 volt and ± 10 volt bipolar ranges by using the additional 5k application resistor provided ...

Page 11

REV. D OUTLINE DIMENSIONS Dimensions shown in inches and (mm). Ceramic DIP (D-24) 0.098 (2.49) MAX 0.005 (0.13) MIN 24 13 0.610 (15.49) 0.500 (12.70 PIN 1 0.075 ...

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