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MAX544ACSA-MAX545ACSD-MAX545AESD-MAX545BCPD-MAX545BCSD Fast Delivery,Good Price
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MAX544ACSAMAXIMN/a8avai+5V, Serial-Input, Voltage-Output, 14-Bit DACs
MAX545ACSDN/a115avai+5V, Serial-Input, Voltage-Output, 14-Bit DACs
MAX545AESDMAXIMN/a8avai+5V, Serial-Input, Voltage-Output, 14-Bit DACs
MAX545BCPDN/a2avai+5V, Serial-Input, Voltage-Output, 14-Bit DACs
MAX545BCSDMAXIMN/a19avai+5V, Serial-Input, Voltage-Output, 14-Bit DACs
MAX545BESDMAXIMN/a67avai+5V, Serial-Input, Voltage-Output, 14-Bit DACs


MAX545ACSD ,+5V, Serial-Input, Voltage-Output, 14-Bit DACsApplicationsMAX544BCSA 0°C to +70°C 8 SO ±1Digital Offset and Gain AdjustmentOrdering Information c ..
MAX545AESD ,+5V, Serial-Input, Voltage-Output, 14-Bit DACsFeaturesThe MAX544/MAX545 are serial-input, voltage-output,  Full 14-Bit Performance Without Adjus ..
MAX545BCPD ,+5V, Serial-Input, Voltage-Output, 14-Bit DACsMAX544/MAX54519-1088; Rev 3; 12/99+5V, Serial-Input, Voltage-Output, 14-Bit DACs
MAX545BCSD ,+5V, Serial-Input, Voltage-Output, 14-Bit DACsapplications requiring isola-Ordering Informationtion. A power-on reset circuit clears the DAC outp ..
MAX545BESD ,+5V, Serial-Input, Voltage-Output, 14-Bit DACsApplicationsMAX544BCSA 0°C to +70°C 8 SO ±1Digital Offset and Gain AdjustmentOrdering Information c ..
MAX5460EXK+T ,32-Tap FleaPoT™, 2-Wire Digital PotentiometersFeaturesThe MAX5460–MAX5468 linear-taper digital potentiome-♦ Miniature SC70 and SOT23 Packagesters ..
MAXQ1010-A01+ ,DeepCover Secure Microcontroller for Security Tokens with RTC and USBBlock DiagramUSB SIE ANDMAXQ1010TRANSCEIVERREGULATORAES16-BIT MAXQVOLTAGE RISC CPUMONITORDESHF AND ..
MAXQ1103 ,DeepCover Secure Microcontroller with Rapid Zeroization Technology and CryptographyApplications are supported withOut-of-Range Temperature/Voltage Detected512KB of high-performance i ..
MAXQ1850-DNS+ ,DeepCover Secure Microcontroller with Rapid Zeroization Technology and CryptographyFeaturesDeepCover™ embedded security solutions cloak sensitive♦ High-Performance, Low-Power, 32-Bit ..
MAXQ2000RAX ,Low-Power LCD MicrocontrollerELECTRICAL CHARACTERISTICS(V = V to V , V = 2.7V to 3.6V, T = -40°C to +85°C.) (Note 1)DD DD(MIN) D ..
MAXQ2000-RAX ,Low-Power LCD MicrocontrollerApplications100/132 Segment LCD DriverMedical InstrumentationUp to 4 COM and 36 SegmentsStatic, 1/2 ..
MAXQ2000-RAX+ ,Low-Power LCD MicrocontrollerFeaturesMedical InstrumentationUp to 50 General-Purpose I/O PinsBattery-Powered and Portable Device ..


MAX544ACSA-MAX545ACSD-MAX545AESD-MAX545BCPD-MAX545BCSD-MAX545BESD
+5V, Serial-Input, Voltage-Output, 14-Bit DACs
General Description
The MAX544/MAX545 are serial-input, voltage-output,
14-bit digital-to-analog converters (DACs) that operate
from a single +5V supply. They provide 14-bit perfor-
mance (±0.5LSB INL and ±0.9LSB DNL) over tempera-
ture without any adjustments. The DAC output is
unbuffered, resulting in a low supply current of 0.3mA
and a low offset error of 0.6mV.
The DAC output range is 0V to VREF.For bipolar opera-
tion, matched scaling resistors are provided in the
MAX545 for use with an external precision op amp
(such as the MAX400), generating a ±VREFoutput
swing. The MAX545 also includes Kelvin-sense con-
nections for the reference and analog ground pins to
reduce layout sensitivity.
A 16-bit serial word is used to load data into the DAC
latch. The 10MHz, 3-wire serial interface is compatible
with SPI™/QSPI™/MICROWIRE™, and it also interfaces
directly with optocouplers for applications requiring isola-
tion. A power-on reset circuit clears the DAC output to 0V
(unipolar mode) when power is initially applied.
The MAX544 is available in 8-pin plastic DIP and SO
packages. The MAX545 is available in 14-pin plastic
DIP and SO packages.
Applications

Digital Offset and Gain Adjustment
Instrumentation
Industrial Process Control
Automated Test Equipment
Data-Acquisition Systems
Features
Full 14-Bit Performance Without Adjustments+5V Single-Supply OperationLow Power: 1.5mW1µs Settling Time Unbuffered Voltage Output Directly Drives 60kΩ
Loads
SPI/QSPI/MICROWIRE-Compatible Serial InterfacePower-On Reset Circuit Clears DAC Output to 0V
(unipolar mode)
Schmitt-Trigger Inputs for Direct Optocoupler
Interface
Pin-Compatible 16-Bit Upgrades
(MAX541/MAX542)
MAX544/MAX545
+5V, Serial-Input, Voltage-Output, 14-Bit DACs
Pin Configurations
Functional Diagrams

19-1088; Rev 3; 12/99
SPI and QSPI are trademarks of Motorola, Inc.
MICROWIRE is a trademark of National Semiconductor Corp.
MAX544/MAX545
+5V, Serial-Input, Voltage-Output, 14-Bit DACs
ABSOLUTE MAXIMUM RATINGS
ELECTRICAL CHARACTERISTICS

(VDD= +5V ±5%, VREF= +2.5V, AGND = DGND = 0, TA= TMINto TMAX, unless otherwise noted.)
Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional
operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to
absolute maximum rating conditions for extended periods may affect device reliability.
VDDto DGND...........................................................-0.3V to +6VCS, SCLK, DIN, LDACto DGND..............................-0.3V to +6V
REF, REFF, REFS to AGND........................-0.3V to (VDD+0.3V)
AGND, AGNDF, AGNDS to DGND.......................-0.3V to +0.3V
OUT, INV to AGND DGND.......................................-0.3V to VDD
RFB to AGND DGND...................................................-6V to +6V
Maximum Current into Any Pin............................................50mA
Continuous Power Dissipation (TA= +70°C)
8-Pin Plastic DIP (derate 9.09mW/°C above +70°C).....727mW
8-Pin SO (derate 5.88mW/°C above +70°C).................471mW
14-Pin Plastic DIP (derate 10.00mW/°C above +70°C)...800mW
14-Pin SO (derate 8.33mW/°C above +70°C)...............667mW
14-Pin Ceramic SB (derate 10.00mW/°C above +70°C...800mW
Operating Temperature Ranges
MAX544 _C_ A/MAX545_C_D..............................0°C to +70°C
MAX544 _E_ A/MAX545_E_D............................-40°C to +85°C
MAX545BMJD.................................................-55°C to +125°C
Storage Temperature Range.............................-65°C to +150°C
Lead Temperature (soldering, 10s).................................+300°C
MAX544/MAX545
+5V, Serial-Input, Voltage-Output, 14-Bit DACs
ELECTRICAL CHARACTERISTICS (continued)

(VDD= +5V ±5%, VREF= +2.5V, AGND = DGND = 0, TA= TMINto TMAX, unless otherwise noted.)
TIMING CHARACTERISTICS

(VDD= +5V ±5%, VREF= +2.5V, AGND = DGND = 0, CMOS inputs, TA= TMINto TMAX, unless otherwise noted.)
Note 1:
Gain Error tested at VREF= 2.0V, 2.5V, and 3.0V.
Note 2:
ROUTtolerance is typically ±20%.
Note 3:
Min/max range guaranteed by gain-error test. Operation outside min/max limits will result in degraded performance.
Note 4:
Reference input resistance is code dependent, minimum at 8554 hex.
Note 5:
Slew-rate value is measured from 0% to 63%.
Note 6:
Guaranteed by design. Not production tested.
MAX544/MAX545
+5V, Serial-Input, Voltage-Output, 14-Bit DACs
Typical Operating Characteristics

(VDD= 5V, VREF= +2.5V, TA = +25°C, unless otherwise noted.)
MAX544/MAX545
+5V, Serial-Input, Voltage-Output, 14-Bit DACs

MAX544-10
FULL-SCALE STEP RESPONSE
(fSCLK = 10MHz)

OUT
500mV/div
1µs/div
MAX544-10A
FULL-SCALE STEP RESPONSE
(fSCLK = 20MHz)

OUT
500mV/div
400ns/div
MAX544/MAX545-11
MAJOR-CARRY OUTPUT GLITCH

2µs/div
OUT
(AC-COUPLED,
100mV/div)
(5V/div)
MAX544/MAX545-12
DIGITAL FEEDTHROUGH

2µs/div
SCLK
5V/div
OUT
(AC-COUPLED,
50mV/div)
CODE = 0000 hex
Typical Operating Characteristics (continued)

(VDD= +5V, VREF= +2.5V, TA = +25°C, unless otherwise noted.)
Pin Descriptions
MAX544
MAX544/MAX545
+5V, Serial-Input, Voltage-Output, 14-Bit DACs
PinDescriptions(continued)
--
Figure 1. Timing Diagram
MAX545
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