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AD5424YCPADIN/a2avaiHigh Bandwidth CMOS 8-Bit Parallel Interface Multiplying D/A Converter
AD5424YCPZADIN/a2avaiHigh Bandwidth CMOS 8-Bit Parallel Interface Multiplying D/A Converter
AD5424YRUADIN/a1avaiHigh Bandwidth CMOS 8-Bit Parallel Interface Multiplying D/A Converter
AD5424YRUZADIN/a200avaiHigh Bandwidth CMOS 8-Bit Parallel Interface Multiplying D/A Converter
AD5433YCPADN/a1avaiHigh Bandwidth CMOS 10-Bit Parallel Interface Multiplying D/A Converter
AD5445YRUADN/a2avaiHigh Bandwidth CMOS 12-Bit Parallel Interface Multiplying D/A Converter


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AD5424YCP-AD5424YCPZ-AD5424YRU-AD5424YRUZ-AD5433YCP-AD5445YRU
High Bandwidth CMOS 8-Bit Parallel Interface Multiplying D/A Converter
REV.0
8-/10-/12-Bit, High Bandwidth,
Multiplying DACs with Parallel Interface

*U.S. Patent No. 5,689,257
FEATURES
2.5 V to 5.5 V Supply Operation
Fast Parallel Interface (17 ns Write Cycle)
10 MHz Multiplying Bandwidth

�10 V Reference Input
Extended Temperature Range –40�C to +125�C
20-Lead TSSOP and Chip Scale (4 mm � 4 mm) Packages
8-, 10-, and 12-Bit Current Output DACs
Upgrades to AD7524/AD7533/AD7545
Pin Compatible 8-, 10-, and 12-Bit DACs in Chip Scale
Guaranteed Monotonic
4-Quadrant Multiplication
Power-On Reset with Brownout Detection
Readback Function
0.4 �A Typical Power Consumption
APPLICATIONS
Portable Battery-Powered Applications
Waveform Generators
Analog Processing
Instrumentation Applications
Programmable Amplifiers and Attenuators
Digitally-Controlled Calibration
Programmable Filters and Oscillators
Composite Video
Ultrasound
Gain, Offset, and Voltage Trimming
GENERAL DESCRIPTION

The AD5424/AD5433/AD5445 are CMOS 8-, 10-, and 12-bit
current output digital-to-analog converters (DACs), respectively.
These devices operate from a 2.5 V to 5.5 V power supply,
making them suited to battery-powered applications and many
other applications.
These DACs utilize data readback allowing the user to read the
contents of the DAC register via the DB pins. On power-up, the
internal register and latches are filled with 0s and the DAC
outputs are at zero scale.
As a result of manufacture on a CMOS submicron process, they
offer excellent 4-quadrant multiplication characteristics, with
large signal multiplying bandwidths of up to 10 MHz.
The applied external reference input voltage (VREF) determines
the full-scale output current. An integrated feedback resistor
(RFB) provides temperature tracking and full-scale voltage output
when combined with an external I-to-V precision amplifier.
While these devices are upgrades of AD7524/AD7533/AD7545
in multiplying bandwidth performance, they have a latched
interface and cannot be used in transparent mode.
The AD5424 is available in small 20-lead LFCSP and 16-lead
TSSOP packages, while the AD5433/AD5445 DACs are avail-
able in small 20-lead LFCSP and TSSOP packages.
FUNCTIONAL BLOCK DIAGRAM
R/W
VREF
IOUT2
IOUT1
RFB
VDD
DATA
INPUTS
AD5424/AD5433/AD5445–SPECIFICATIONS1
DIGITAL INPUTS/OUTPUT
(VDD = 2.5 V to 5.5 V, VREF = 10 V, IOUT2 = O V. All specifications TMIN to TMAX, unless otherwise noted. DC performance measured with OP1177,
AC performance with AD8038, unless otherwise noted.)
AD5424/AD5433/AD5445
NOTESTemperature range is as follows: Y version: –40�C to +125�C.Guaranteed by design, not subject to production test.
Specifications subject to change without notice.
AD5424/AD5433/AD5445
Figure 1. Timing Diagram
TIMING CHARACTERISTICS1, 2

NOTESSee Figure 1. Temperature range is as follows: Y version: –40�C to +125�C. Guaranteed by design and characterization, not subject to production test.All input signals are specified with tr = tf = 1 ns (10% to 90% of VDD) and timed from a voltage level of (VIL + VIH)/2. Digital output timing measured with load
circuit in Figure 2.
Specifications subject to change without notice.
(VREF = 5 V, IOUT2 = O V. All specifications TMIN to TMAX, unless otherwise noted.)
ABSOLUTE MAXIMUM RATINGS1
(TA = 25�C, unless otherwise noted.)
VDD to GND . . . . . . . . . . . . . . . . . . . . . . . . . . .–0.3 V to +7 V
VREF, RFB to GND . . . . . . . . . . . . . . . . . . . . . .–12 V to +12 V
IOUT1, IOUT2 to GND . . . . . . . . . . . . . . . . . . . .–0.3 V to +7 V
Logic Inputs and Output2 . . . . . . . . . . .–0.3 V to VDD +0.3 V
Operating Temperature Range
Extended Industrial (Y Version) . . . . . . . .–40�C to +125�C
Storage Temperature Range . . . . . . . . . . . . .–65�C to +150�C
Junction Temperature . . . . . . . . . . . . . . . . . . . . . . . . . .150�C
16-Lead TSSOP �JA Thermal Impedance . . . . . . . . .150�C/W
20-Lead TSSOP �JA Thermal Impedance . . . . . . . . .143�C/W
20-Lead LFCSP �JA Thermal Impedance . . . . . . . . .135�C/W
Lead Temperature, Soldering (10 seconds) . . . . . . . . . .300�C
IR Reflow, Peak Temperature (<20 seconds) . . . . . . . .235�C
NOTES
1Stresses above those listed under Absolute Maximum Ratings may cause perma-
nent damage to the device. This is a stress rating only and functional operation of
the device at these or any other conditions above those listed in the operational
sections of this specification is not implied. Exposure to absolute maximum rating
conditions for extended periods may affect device reliability. Only one absolute
maximum rating may be applied at any one time.
2Overvoltages at DBx, CS, and R/W, will be clamped by internal diodes.
Figure 2. Load Circuit for Data Output Timing Specifications
ORDERING GUIDE
CAUTION

ESD (electrostatic discharge) sensitive device. Electrostatic charges as high as 4000V readily
accumulate on the human body and test equipment and can discharge without detection. Although the
AD5424/AD5433/AD5445 features proprietary ESD protection circuitry, permanent damage may
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