CMOS
a
8-Bit Buffered Multiplying DAC
AD7524
FEATURES
FUNCTIO NAL BLO CK D IAGRAM
Microprocessor Com patible (6800, 8085, Z80, Etc.)
TTL/ CMOS Com patible Inputs
On-Chip Data Latches
Endpoint Linearity
Low Pow er Consum ption
Monotonicity Guaranteed (Full Tem perature Range)
Latch Free (No Protection Schottky Required)
APPLICATIONS
Microprocessor Controlled Gain Circuits
Microprocessor Controlled Attenuator Circuits
Microprocessor Controlled Function Generation
Precision AGC Circuits
Bus Structured Instrum ents
GENERAL D ESCRIP TIO N
T he AD7524 is a low cost, 8-bit monolithic CMOS DAC
designed for direct interface to most microprocessors.
O RD ERING GUID E
Basically an 8-bit DAC with input latches, the AD7524’s load
cycle is similar to the “write” cycle of a random access
memory. Using an advanced thin-film on CMOS fabrication
process, the AD7524 provides accuracy to 1/8 LSB with a typi-
cal power dissipation of less than 10 milliwatts.
Tem perature
Range
Nonlinearity
P ackage
Model1
(VD D = +15 V) O ption2
AD7524JN
–40°C to +85°C
AD7524KN –40°C to +85°C
±1/2 LSB
±1/4 LSB
±1/8 LSB
±1/2 LSB
±1/4 LSB
±1/8 LSB
±1/2 LSB
±1/2 LSB
±1/4 LSB
±1/8 LSB
±1/2 LSB
±1/4 LSB
±1/8 LSB
±1/2 LSB
±1/4 LSB
±1/8 LSB
N-16
N-16
N-16
P-20A
P-20A
P-20A
R-16A
Q-16
Q-16
Q-16
Q-16
Q-16
AD7524LN
AD7524JP
AD7524KP
AD7524LP
AD7524JR
AD7524AQ
AD7524BQ
–40°C to +85°C
–40°C to +85°C
–40°C to +85°C
–40°C to +85°C
–40°C to +85°C
–40°C to +85°C
–40°C to +85°C
A newly improved design eliminates the protection Schottky
previously required and guarantees T T L compatibility when
using a +5 V supply. Loading speed has been increased for
compatibility with most microprocessors.
Featuring operation from +5 V to +15 V, the AD7524 inter-
faces directly to most microprocessor buses or output ports.
Excellent multiplying characteristics (2- or 4-quadrant) make
the AD7524 an ideal choice for many microprocessor con-
trolled gain setting and signal control applications.
AD7524CQ –40°C to +85°C
AD7524SQ –55°C to +125°C
AD7524T Q –55°C to +125°C
AD7524UQ –55°C to +125°C
Q-16
AD7524SE
AD7524T E
AD7524UE
–55°C to +125°C
–55°C to +125°C
–55°C to +125°C
E-20A
E-20A
E-20A
NOT ES
1T o order MIL-ST D-883, Class B processed parts, add/883B to part number.
Contact your local sales office for military data sheet. For U.S. Standard
Military Drawing (SMD) see DESC drawing # 5962-87700.
2E = Leadless Ceramic Chip Carrier: N = Plastic DIP; P = Plastic Leaded Chip
Carrier; Q = Cerdip; R = SOIC.
REV. B
Inform ation furnished by Analog Devices is believed to be accurate and
reliable. However, no responsibility is assum ed by Analog Devices for its
use, nor for any infringem ents of patents or other rights of third parties
which m ay result from its use. No license is granted by im plication or
otherwise under any patent or patent rights of Analog Devices.
One Technology Way, P.O. Box 9106, Norw ood, MA 02062-9106, U.S.A.
Tel: 617/ 329-4700
Fax: 617/ 326-8703
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