Specifications

Related functions
Trim, calibrate, and adjust
www.digikey.com/maxim-industrial 147
Recommended solutions
Part Description Features Benefits
CDPots
MAX5481 1024-tap (10-bit) CDPot with SPI™ or up/
down interface
1.0µA (max) in standby, 400µA (max) during
memory write
Minimal power use for battery-operated portable
devices
MAX5477 Dual, 256-step (8-bit) CDPot with I
2
C
interface
EEPROM write protection, single-supply
operation (2.7V to 5.25V)
EEPROM protection retains calibration data for
safety
MAX5422 Single, 256-step (8-bit) CDPot with SPI
interface
Tiny (3mm x 3mm) TDFN package Saves PCB space for portable products
MAX5427 32-step (5-bit), OTP CDPot OTP or OTP plus adjustment Versatile, reduces component count by performing
two functions
DS3502 128-step (7-bit) CDPot with I
2
C interface High output-voltage range (up to 15.5V) Permits direct calibration of high-voltage circuits
CDACs
MAX5105/MAX5115 Quad, 8-bit CDACs with independent high
and low reference inputs
Rail-to-rail output buffers, choice of I
2
C or
SPI interface
Selectable voltage range improves granularity and
prevents unsafe adjustments
MAX5106 Quad, 8-bit CDAC with independently
adjustable voltage ranges
Allows customization of calibration
granularity; small 5mm x 6mm package
Saves PCB space for portable products
MAX5116 Quad, 8-bit CDAC with independent high and
low reference inputs
Four amplifier circuits are calibrated by one
5mm x 6mm part
Reduces costs with fewer components, saves PCB
area, and simplifies control
MAX5109 Dual, 8-bit CDAC with independent high and
low reference inputs
Single-supply operation (2.7V to 5.25V),
200µA per DAC, less than 25µA in power-
down, rail-to-rail output buffers, I
2
C interface
Battery friendly for portable devices; custom range
and granularity control
DS1851 Dual temperature-controlled CDAC Each DAC has EEPROM, which can contain
temperature coefficients for temperature-
specific calibration
System temperature effects can be corrected
without any additional external devices, thus saving
space and cost
CRefs and E
2
CRefs
MAX6160 Adjustable CRef (1.23V to 12.4V) Low 200mV dropout; 75µA supply current
is virtually independent of input-voltage
variations
Longer battery life in portable equipment
MAX6037 Adjustable CRef (1.184V to 5V) Shutdown mode (500nA, max), low 100mV
(max) dropout at 1mA load, 5-pin SOT23
(9mm
2
)
Battery friendly and small size for portable
applications
MAX6173 Precise voltage reference with temperature
sensor
±0.05% (max) initial accuracy, ±3ppm/°C
(max) temperature stability
Allows analog system gain trim while maintaining
the digital accuracy of ADCs and DACs
MAX6220 Low-noise, precision voltage reference 8V to 40V input-voltage range, ultra-low
1.5µV
P-P
noise (0.1Hz to 10Hz)
Dependable operation from unstable power
(batteries, automotive power, or emergency power
generators)
DS4303 Electronically programmable voltage
reference
Wide, adjustable output-voltage range can
be set within 300mV of the supply rails with
±1mV accuracy
A calibration voltage is memorized forever using
one simple GPIO pin