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MAX5385EZT-T ,Low-Cost, Low-Power, 8-Bit DACs with 3-Wire Serial Interface in SOT23ApplicationsMAX5383EUT-T -40°C to +85°C 6 SOT23 AADFAutomatic Tuning (VCO) MAX5383EZT-T -40°C to +8 ..
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MAX5385EZT-T
Low-Cost, Low-Power, 8-Bit DACs with 3-Wire Serial Interface in SOT23
General Description
The MAX5383/MAX5384/MAX5385 low-cost, 8-bit digital-
to-analog converters (DACs) in miniature 6-pin SOT23
packages have a simple 3-wire, SPI™/QSPI™/
MICROWIRE™-compatible serial interface that operates
up to 10MHz. The MAX5383 has an internal +2V refer-
ence and operates from a +2.7V to +3.6V supply. The
MAX5384 has an internal +4V reference and operates
from a +4.5V to +5.5V supply. The MAX5385 operates
over the full +2.7V to +5.5V supply range and has an
internal reference equal to 0.9 ✕VDD.
The MAX5383/MAX5384/MAX5385 require an extremely
low supply current of only 150µA (typ) and provide a
buffered voltage output. These devices power up at zero
code and remain there until a new code is written to the
DAC registers. This provides additional safety for appli-
cations that drive valves or other transducers that need
to be off on power-up. The MAX5383/MAX5384/
MAX5385 include a 1µA, low-power shutdown mode that
features software-selectable output loads of 1kΩ, 100kΩ,
or 1MΩto ground.
Applications
Automatic Tuning (VCO)
Power Amplifier Bias Control
Programmable Threshold Levels
Automatic Gain Control
Automatic Offset Adjustment
Features8-Bit Resolution in a Miniature 6-Pin SOT23
PackageWide +2.7V to +5.5V Supply Range (MAX5385)<1µA Shutdown ModeSoftware-Selectable Output Resistance During
ShutdownBuffered Output Drives Resistive LoadsLow-Glitch Power-On Reset to Zero DAC Output3-Wire SPI/QSPI/MICROWIRE-Compatible Interface< ±5% Full-Scale Error (MAX5385) < ±1LSB max INL/DNLLow 230µA (max) Supply Current
MAX5383/MAX5384/MAX5385
Low-Cost, Low-Power, 8-Bit DACs with 3-Wire
Serial Interface in SOT23
Pin Configurationypical Operating Circuit
19-1718; Rev 2; 1/02
Ordering Information
SPI and QSPI are trademarks of Motorola, Inc.
MICROWIRE is a trademark of National Semiconductor Corp.
MAX5383/MAX5384/MAX5385
Low-Cost, Low-Power, 8-Bit DACs with 3-Wire
Serial Interface in SOT23
ABSOLUTE MAXIMUM RATINGS
ELECTRICAL CHARACTERISTICS
(VDD= +2.7V to +3.6V (MAX5383), VDD= +4.5V to +5.5V (MAX5384), VDD= +2.7V to +5.5V (MAX5385), RL= 10kΩ, CL= 50pF,
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 GND..............................................................-0.3V to +6V
OUT............................................................-0.3V to (VDD+ 0.3V)
CS, SCLK, DIN to GND............................................-0.3V to +6V
Maximum Current into Any Pin............................................50mA
Continuous Power Dissipation (TA= +70°C)
6-Pin SOT23 (derate 8.7mW/°C above +70°C)..........696mW
Operating Temperature Range...........................-40°C to +85°C
Storage Temperature Range.............................-65°C to +150°C
Maximum Junction Temperature.....................................+150°C
Lead Temperature (soldering, 10s).................................+300°C
MAX5383/MAX5384/MAX5385
Low-Cost, Low-Power, 8-Bit DACs with 3-Wire
Serial Interface in SOT23
ELECTRICAL CHARACTERISTICS (continued)
(VDD= +2.7V to +3.6V (MAX5383), VDD= +4.5V to +5.5V (MAX5384), VDD= +2.7V to +5.5V (MAX5385), RL= 10kΩ, CL= 50pF,
TIMING CHARACTERISTICS
(Figures 3 and 4, VDD= +2.7V to +3.6V (MAX5383), VDD= +4.5V to +5.5V (MAX5384), VDD= +2.7V to +5.5V (MAX5385),
MAX5383/MAX5384/MAX5385
Low-Cost, Low-Power, 8-Bit DACs with 3-Wire
Serial Interface in SOT23
INTEGRAL NONLINEARITY vs. CODE
MAX5383/4/5-01
CODE
INL (LSB)150250
INTEGRAL NONLINEARITY
vs. SUPPLY VOLTAGE
MAX5383/4/5-02
SUPPLY VOLTAGE (V)
INL (LSB)
INTEGRAL NONLINEARITY
vs. TEMPERATURE
MAX5383/4/5-03
TEMPERATURE (°C)
INL (LSB)
DIFFERENTIAL NONLINEARITY vs. CODE
MAX5383/4/5-04
CODE
DNL (LSB)
DIFFERENTIAL NONLINEARITY
vs. SUPPLY VOLTAGE
MAX5383/4/5-05
SUPPLY VOLTAGE (V)
DNL (LSB)
DIFFERENTIAL NONLINEARITY
vs. TEMPERATURE
MAX5383/4/5-06
TEMPERATURE (°C)
DNL (LSB)
Typical Operating Characteristics
(VDD= +3.0V (MAX5383), VDD = +5.0V (MAX5384/MAX5385), TA= +25°C, unless otherwise noted.)
TIMING CHARACTERISTICS (continued)
(Figures 3 and 4, VDD= +2.7V to +3.6V (MAX5383), VDD= +4.5V to +5.5V (MAX5384), VDD= +2.7V to +5.5V (MAX5385),
Note 1:Guaranteed from code 5 to code 255.
Note 2:The offset value extrapolated from the range over which the INL is guaranteed.
Note 3:MAX5385 tested at 5V ±10%.
Note 4:MAX5383 tested at 3V ±10%; MAX5384 tested at 5V ±10%.
Note 5:Actual output voltages at full-scale are 255/256 ✕VREF.
Note 6:Output settling time is measured by stepping from code 5 to code 255, and from code 255 to code 5.
Note 7:Guaranteed by design.
MAX5383/MAX5384/MAX5385
Low-Cost, Low-Power, 8-Bit DACs with 3-Wire
Serial Interface in SOT23
TOTAL UNADJUSTED ERROR vs. CODE
MAX5383/4/5-07
CODE
TUE (LSB)
OFFSET ERROR vs. SUPPLY VOLTAGE
MAX5383/4/5-08
SUPPLY VOLTAGE (V)
(mV)
OFFSET ERROR vs. TEMPERATURE
MAX5383/4/5-09
TEMPERATURE (°C)
OS
(mV)
FULL-SCALE ERROR vs. SUPPLY VOLTAGE
MAX5383/4/5-10
SUPPLY VOLTAGE (V)
FULL-SCALE ERROR (LSB)
FULL-SCALE ERROR (%)
FULL-SCALE ERROR vs. TEMPERATURE
MAX5383/4/5-11
TEMPERATURE (°C)
FULL-SCALE ERROR (LSB)
FULL-SCALE ERROR (%)
SUPPLY CURRENT vs. SUPPLY VOLTAGE
MAX5383/4/5-12
SUPPLY VOLTAGE (V)
SUPPLY CURRENT (
SUPPLY CURRENT vs. TEMPERATURE
MAX5383/4/5-13
TEMPERATURE (°C)
SUPPLY CURRENT (
Typical Operating Characteristics (continued)
(VDD= +3.0V (MAX5383), VDD = +5.0V (MAX5384/MAX5385), TA= +25°C, unless otherwise noted.)
Low-Cost, Low-Power, 8-Bit DACs with 3-Wire
Serial Interface in SOT23
Typical Operating Characteristics (continued)
(VDD= +3.0V (MAX5383), VDD = +5.0V (MAX5384/MAX5385), TA= +25°C, unless otherwise noted.)

Partno	Mfg	Dc	Qty	Available	Descript
MAX5385EZT-T \|MAX5385EZTT	MAX	N/a	53	avai	Low-Cost, Low-Power, 8-Bit DACs with 3-Wire Serial Interface in SOT23