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MAX5712EUT#TG16
12-Bit, Low-Power, Rail-to-Rail Voltage-Output Serial DAC in SOT23
MAX5712
Low-Power, 12-Bit, Rail to Rail
Voltage-Output Serial DAC in SOT23
General DescriptionThe MAX5712 is a small footprint, low-power, 12-bit digi-
tal-to-analog converter (DAC) that operates from a single
+2.7V to +5.5V supply. The MAX5712 on-chip precision
output amplifier provides rail-to-rail output swing. Drawing
only 85µA supply current at +3V, the MAX5712 is ideally
suited for portable battery-operated equipment.
The MAX5712 utilizes a 3-wire serial-interface that is com-
patible with SPI/QSPI™/MICROWIRE®and DSP-interface
standards. All logic inputs are CMOS-logic compatible
and buffered with Schmitt triggers to allow direct interfac-
ing to optocouplers. The MAX5712 incorporates a power-
on reset (POR) circuit that ensures the DAC begins in a
zero-volt-state upon power-up. A power-down mode that
reduces current consumption to 0.3µA may be initiated
through a software command.
The MAX5712 is available in a small 6-pin SOT23 pack-
age. For dual and quad 12-bit versions, see the MAX5722
and MAX5742 data sheets. For single, dual, and quad
10-bit versions, see the MAX5711, MAX5721 and
MAX5741 data sheets. The MAX5712 is specified over
the automotive temperature range of -40°C to +125°C.
ApplicationsAutomatic Tuning
Gain and Offset Adjustment
Power Amplifier Control
Process Control I/O Boards
Battery-Powered Equipment
VCO Control
FeaturesWide -40°C to +125°C Operating Temperature
RangeLow 85µA Supply CurrentUltra Low 0.3µA Power-Down Supply CurrentSingle +2.7V to +5.5V Supply VoltageFast 20MHz 3-Wire SPI/QSPI/MICROWIRE and
DSP-Compatible Serial InterfaceSchmitt-Triggered Inputs for Direct Interfacing to
OptocouplersRail-to-Rail Output BufferTiny 6-Pin SOT23 PackagePower-On Reset to 0VThree Software-Selectable Power-Down Output
Impedances (100kΩ, 1kΩ, Hi-Z)DAC
REGISTER
INPUT
CONTROL
LOGIC
12-BIT
DAC
REF+
VDDGND
OUT
100kΩ1kΩSCLKDIN
REF-
OUTPUT
BUFFER
POWER-ON
RESET
POWER-DOWN
CONTROL
LOGIC
MAX5712
Functional Diagram
Ordering Information+Denotes a lead(Pb)-free/RoHS-compliant package.
QSPI is a trademark of Motorola, Inc.
MICROWIRE is a registered trademark of National Semiconductor, Corp.
PARTTEMP RANGEPIN-
PACKAGE
TOP
MARKMAX5712EUT+T-40°C to +85°C6 SOT23ABCQ
MAX5712AUT+T-40°C to +125°C6 SOT23AAUD
Pin Configuration appears at end of data sheet.
MAX5712
12-Bit, Low-Power, Rail-to-Rail
Voltage-Output Serial DAC in SOT23
ABSOLUTE MAXIMUM RATINGS
ELECTRICAL CHARACTERISTICS(VDD= +2.7V to +5.5V, GND = 0, RL= 5kΩ, CL= 200pF, TA= TMINto TMAX, unless otherwise noted. Typical values are at VDD= +5V.= +25°C)
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, SCLK, DIN, CSto GND......................-0.3V to (VDD+ 0.3V)
Maximum Current into Any Pin.........................................±50mA
Continuous Power Dissipation (TA= +70°C)
6-Pin SOT23 (derate 9.1mW/°C above +70°C)...........727mW
Operating Temperature Range.........................-40°C to +125°C
Maximum Junction Temperature.....................................+150°C
Storage Temperature Range.............................-65°C to +150°C
Lead Temperature (soldering, 10s).................................+300°C
Soldering Temperature (reflow).......................................+260°C
PARAMETERSYMBOLCONDITIONSMINTYPMAXUNITS
STATIC ACCURACY (NOTE 1)ResolutionN12Bits
Differential Nonlinearity ErrorDNLGuaranteed monotonic (Note 2)±1LSB
Integral Nonlinearity ErrorINL(Note 2)±2±16LSB
Zero-Code ErrorOECode = 0000.41.5% of FS
Zero-Code Error Tempco2.3ppm/°C
Gain ErrorGECode = FFF hex-3% of FS
Gain-Error TempcoIntegral0.26ppm/°C
DAC OUTPUTOutput Voltage RangeNo-load (Note 3)0VDDV
DC Output ImpedanceCode = 800 hex0.8Ω
VDD = +3V15Short Circuit CurrentVDD = +5V48mA
VDD = +3V8Wake-Up TimeVDD = +5V8µs
Output Leakage CurrentPower-down mode = output high-impedance±18±33nA
DIGITAL INPUTS (SCLK, DIN, CS)Input High VoltageVIHVDD = +3V, +5V0.7 x VDDV
Input Low VoltageVILVDD = +3V, +5V0.3 x VDDV
Input Leakage CurrentIINDigital Inputs = 0 or VDD±0.1±1µA
Input CapacitanceCIN5pF
DYNAMIC PERFORMANCEVoltage-Output Slew RateSR0.5V/µs
Voltage-Output Settling Time400 hex to C00 hex (Note 4)410µs
Digital FeedthroughAny digital inputs from 0 to VDD0.2nV-s
Digital-Analog Glitch ImpulseMajor carry transition (code 7FF hex to code
800 hex)12nV-s
PACKAGE THERMAL CHARACTERISTICS (Note 1)SOT23
Junction-to-Ambient Thermal Resistance (θJA)...............134.40°C/W
Junction-to-Case Thermal Resistance (θJC)......................39°C/W
MAX5712
12-Bit, Low-Power, Rail-to-Rail
Voltage-Output Serial DAC in SOT23
Note 1:DC Specifications are tested without output loads.
Note 2:Linearity guaranteed from code 115 to code 3981.
Note 3:Offset and gain error limit the FSR.
Note 4:Guaranteed by design.
PARAMETERSYMBOLCONDITIONSMINTYPMAXUNITS
POWER REQUIREMENTSSupply Voltage RangeVDD2.75.5V
All digital inputs at 0 or VDD, VDD = +3.6V85150Supply Current with No-LoadIDDAll digital inputs at 0 or VDD, VDD = +5.5V105187µA
Power-Down Supply CurrentIDDPDAll digital inputs at 0 or VDD, VDD = +5.5V0.291µA
TIMING CHARACTERISTICS (FIGURE 1) (TIMING IS TESTED WITH NO-LOAD)SCLK Clock FrequencyfSCLK020MHz
SCLK Pulse Width HightCH20ns
SCLK Pulse Width LowtCL20ns
CS Fall-to-SLCK Rise SetuptCSS15ns
DIN Setup TimetDS15ns
DIN Hold TimetDH0ns
SCLK Falling Edge-to-CS
Rising EdgetCSH10ns
CS Pulse Width HightCSW80ns
Typical Operating Characteristics(TA = +25°C, unless otherwise noted.)
INTEGRAL NONLINEARITY
vs. CODE, TA = +25°C
MAX5712 toc01
CODE
INL (LSB)
VDD = +5V
VDD = +3V
DIFFERENTIAL NONLINEARITY
vs. CODE, TA = +25°C
MAX5712 toc02
CODE
DNL (LSB)-0.2
TOTAL UNADJUSTED ERROR
vs. CODE, TA = +25°C
MAX5712 toc03
CODE
TUE (%)VDD = +5V
VDD = +3V
ELECTRICAL CHARACTERISTICS (continued)(VDD= +2.7V to +5.5V, GND = 0, RL= 5kΩ, CL= 200pF, TA= TMINto TMAX, unless otherwise noted. Typical values are at VDD= +5V.= +25°C)
MAX5712
12-Bit, Low-Power, Rail-to-Rail
Voltage-Output Serial DAC in SOT23
Typical Operating Characteristics (continued)(TA = +25°C, unless otherwise noted.)
INTEGRAL NONLINEARITY
vs. CODE, TA = -40°C
MAX5712 toc04
CODE
INL (LSB)
VDD = +5V
VDD = +3V
DIFFERENTIAL NONLINEARITY
vs. CODE, TA = -40°C
MAX5712 toc05
CODE
DNL (LSB)-0.2
TOTAL UNADJUSTED ERROR
vs. CODE, TA = -40°C
MAX5712 toc06
CODE
TUE (%)
VDD = +5V
VDD = +3V
INTEGRAL NONLINEARITY
vs. CODE, TA = +125°C
MAX5712 toc07
CODE
INL (LSB)
VDD = +5V
VDD = +3V
DIFFERENTIAL NONLINEARITY
vs. CODE, TA = +125°C
MAX5712 toc08
CODE
DNL (LSB)-0.2
TOTAL UNADJUSTED ERROR
vs. CODE, TA = +125°C
MAX5712 toc09
CODE
TUE (%)VDD = +5V
VDD = +3V
WORST CASE INL AND DNL
vs. TEMPERATURE
MAX5712 toc10
INL/DNL (LSB)
MAXIMUM INL
MINIMUM DNLMINIMUM INL
MAXIMUM DNL
SOURCE-AND-SINK CURRENT
CAPABILITY (VDD = +3V)
MAX5712 toc11
OUT
(V)
CODE = FFF HEX,
SOURCING
CURRENT
FROM OUT
CODE = 400 HEX,
SINKING CURRENT
INTO OUT
CODE = C00 HEX,
SOURCING CURRENT
FROM OUT
CODE = 000 HEX, SINKING
CURRENT INTO OUT0.0
SOURCE-AND-SINK CURRENT
CAPABILITY (VDD = +5V)
MAX5712 toc12
OUT
(V)
CODE = FFF HEX,
SOURCING
CURRENT
FROM OUT
CODE = 400 HEX,
SINKING CURRENT
INTO OUT
CODE = C00 HEX,
SOURCING CURRENT
FROM OUT
CODE = 000 HEX, SINKING
CURRENT INTO OUT
MAX5712
12-Bit, Low-Power, Rail-to-Rail
Voltage-Output Serial DAC in SOT23
12-Bit, Low-Power, Rail-to-Rail
Voltage-Output Serial DAC in SOT23SUPPLY CURRENT
vs. SUPPLY VOLTAGE
MAX5712 toc13
SUPPLY VOLTAGE (V)
SUPPLY CURRENT (
CODE = FFF HEX
CODE = 000
POWER-DOWN SUPPLY CURRENT
vs. SUPPLY VOLTAGE
MAX5712 toc14
SUPPLY VOLTAGE (V)
POWER-DOWN SUPPLY CURRENT (nA)
MAX5712 toc15
SUPPLY CURRENT (
SUPPLY CURRENT
vs. CS INPUT VOLTAGECS INPUT VOLTAGE (V)
VDD = +5V
VDD = +3V
FULL-SCALE SETTLING TIME
(VDD = +5V)MAX5712 toc16
VOUT
1V/div
VSCLK
5V/div
1μs/div
CODE 000 TO FFF HEX
RL = 5kΩ
CL = 200pF
FULL-SCALE SETTLING TIME
(VDD = +5V)MAX5712 toc17
VOUT
1V/div
VSCLK
5V/div
2μs/div
CODE FFF HEX TO 000
RL = 5kΩ
CL = 200pF
HALF-SCALE SETTLING TIME
(VDD = +3V)MAX5712 toc18
VOUT
1V/div
VSCLK
5V/div
1μs/div
CODE 400 HEX
TO C00 HEX
RL = 5kΩ
CL = 200pF
HALF-SCALE SETTLING TIME
(VDD = +3V)MAX5712 toc19
VOUT
1V/div
VSCLK
5V/div
1μs/div
CODE C00 HEX
TO 400 HEX
RL = 5kΩ
CL = 200pF
EXITING POWER-DOWN
(VDD = +5V)MAX5712 toc20
VOUT
1V/div
CODE 800 HEX
VSCLK
5V/div
5μs/div
RL = 5kΩ
CL = 200pF
DIGITAL-TO-ANALOG
GLITCH IMPULSE (VDD = +5V)MAX5712 toc21
VOUT
10mV/div
500ns/div
CODE 800 HEX
TO 7FF HEX
RL = 5kΩ
CL = 200pF
Typical Operating Characteristics (continued)(TA = +25°C, unless otherwise noted.)
MAX5712
12-Bit, Low-Power, Rail-to-Rail
Voltage-Output Serial DAC in SOT23
Pin Description
Typical Operating Characteristics (continued)(TA = +25°C, unless otherwise noted.)
DIGITAL-TO-ANALOG
GLITCH IMPULSE (VDD = +5V)MAX5712 toc22
VOUT
10mV/div
500ns/div
CODE 7FF HEX
TO 800 HEX
RL = 5kΩ
CL = 200pF
CLOCK FEEDTHROUGH
(VDD = +5V)MAX5712 toc23
VOUT
1mV/div
VSCLK
2V/div
500ns/div
RL = 5kΩ
CL = 200pF
PINNAMEFUNCTION1VDDPower-Supply InputGNDGroundDINSerial-Data InputSCLKSerial-Clock InputCSActive Low Chip-Select InputOUTDAC Output Voltage
