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MAX5717/MAX5719
EVALUATION KIT AVAILABLE
16 and 20-Bit Voltage DACs
General Description
The MAX5717 and MAX5719 are serial-input, unbuffered 16 and 20-bit voltage-output unipolar digital-to-analog converters (DACs) with integrated feedback resistors that allow bipolar operation when used with an external operational amplifier. These DACs provide low glitch energy, low noise, tight bipolar resistor matching, and high accuracy. The DACs feature 1LSB INL (max, MAX5717A) over the temperature range of -40°C to +105°C. Integrated precision setting resistors make the DACs easy to use. The MAX5717 and MAX5719 feature a 50MHz, 3-wire SPI™, QSPI™, MICROWIRE™, and DSP-compatible serial interface.
On power-up, the output resets to zero-scale, providing additional safety for applications which drive valves or other transducers that need to be off on power-up. The DAC output settles in 750ns and has a low offset and gain drift of ±0.1 ppm/°C of FSR.
The MAX5717 is functionally similar to the MAX542, but with significantly faster settling time. The MAX5719 provides a similar speed improvement as well as an increase in resolution to 20 bits.
Applications
●● Test and Measurement Equipment ●● Automatic Test Equipment ●● Gain and Offset Adjustment ●● Data-Acquisition Systems ●● Process Control and Servo Loops ●● Portable Instrumentation ●● Programmable Voltage and Current sources ●● Automatic Tuning ●● Communication Systems
Benefits and Features
●● 16 and 20-bit Resolution ●● 1LSB INL (Max, 16-bit) ●● ±0.5 LSB DNL (Max, MAX5717A) ●● 750ns Settling Time (Typ) ●● 0.05 nV-sec Glitch Energy ●● 6 nv/√Hz Output Noise Density ●● Integrated ±0.025% (max) Bipolar Setting Resistors ●● 4.5V to 5.5V Supply Range ●● 4.0V to VDD Reference Input Range ●● Safe Power-Up Reset-to-Zero-Scale DAC Output
(Unipolar) ●● 50MHz 3-Wire SPI Interface ●● -40°C to +105°C Operating Temperature Range. ●● SO-14 Package
Simplified Block Diagram
REFF REFS
VDD
MAX5717/ MAX5719
RINV
RFB 16-/20-BIT DAC
CS LDAC SCLK
DIN
CONTROL LOGIC
16-/20-BIT DATA LATCH
SERIAL INPUT REGISTER DGND
RFB INV OUT
AGNDF AGNDS
Ordering Information appears at end of data sheet.
19-8567; Rev 2; 7/19
MAX5717/MAX5719
16 and 20-Bit Voltage DACs
Absolute Maximum Ratings
VDD to DGND...........................................................-0.3V to +6V CS, SCLK, DIN, LDAC
to DGND........................ -0.3V to Lesser of VDD + 0.3 and 6V REFF, REFS to AGND.........-0.3V to Lesser of VDD+0.3 and 6V AGNDF, AGNDS to DGND....................................-0.3V to +0.3V OUT, INV, to AGND,
DGND...............................-0.3V to Lesser of VDD+0.3 and 6V RFB to AGND, DGND.................................................-6V to +6V
Maximum Current into Any Pin..................... -100mA to +100mA Continuous Power Dissipation
(TA = +70°C, derate 8.33mW/°C above +70°C.)..........667mW Operating Temperature Range.......................... -40°C to +105°C Junction Temperature.......................................................+150°C Storage Temperature Range............................. -65°C to +150°C Lead Temperature (soldering, 10s).................................... 300°C Soldering Temperature (reflow)........................................ +260°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.
Package Thermal Characteristics (Note 1)
Thermal Resistance, Single-Layer Board
Junction-to-Ambient (θJA)..........................................120°C/W Junction-to-Case Thermal Resistance (θJC)................37°C/W
Thermal Resistance, Four-Layer Board Junction-to-Ambient (θJA)............................................84°C/W Junction-to-Case Thermal Resistance (θJC)................34°C/W
Note 1: Package thermal resistances were obtained using the method described in JEDEC specification JESD51-7, using a fourlayer board. For detailed information on package thermal considerations, refer to www.maximintegrated.com/thermaltutorial.
Electrical Characteristics
(VDD = 4.5V to 5.5V, AGND, DGND, AGNDF, AGNDS = 0V, VREF = VREFF = VREFS = 4.096V, LDAC = 0V, CL=10pF, RL= No Load, TA = -40°C to +105°C, unless otherwise noted. Typical values are at TA = 25°C and VDD = 5V.)
PARAMETER
SYMBOL
STATIC PERFORMANCE – ANALOG
Resolution
N
Integral Nonlinearity
INL
CONDITIONS
MAX5717 MAX5719 MAX5717. Measured by a line passing through DIN = 0 and (216 – 1). MAX5717A. Measured by a line passing through DIN = 0 and (216 - 1). MAX5719. Measured by a line pass.