LTC2656 DAC Has 0.1 Percent Gain Error


Linear Technology has introduced the LTC2656, a 16-bit octal digital-to-analogue converter (DAC) that offers +/-4LSB INL maximum over temperature. The combination of 0.1 per cent (max) gain error and +/-2mV (max) offset error ensure that LTC2656 remains accurate near the supply rails and provides the user with a wider effective-output range.

The LTC2656's precision specifications make it suitable for multichannel open- and closed-loop systems typically found in communication systems, industrial process control, automated test equipment (ATE) and programmable logic controllers. The converter integrates a precision reference that achieves 2ppm/C typical and 10ppm/C maximum temperature coefficient. By integrating the reference in its 20-pin 4 x 5mm QFN and TSSOP packages, the LTC2656 offers further space reduction for densely packed circuit boards.

Operating from a single 2.7 to 5.5V supply, supply current is 375uA per DAC with the reference activated. The LTC2656 offers 8.5us settling time for a half-scale step and less than 1nVs crosstalk, resulting in minimal disturbance between DAC channels. The DAC communicates via a four-wire SPI-compatible interface up to 50MHz and offers a range of options to meet application-specific requirements. Designers can choose between 16 or 12-bit resolution and an internal 1.25 or 2.048V reference, which produces a full-scale output voltage of 2.5 or 4.096V.

Alternatively, an external reference up to half the supply voltage can be for rail-to-rail operation. The LTC2656 also includes a hardware option to power up the DAC outputs at zero scale or midscale. 16- and 12-bit DACs are available in production volumes along with the LTC2657, an I2C-compatible 16-bit octal DAC.

Comments

Post a Comment

Popular posts from this blog

Han® HC 250 high current contact

A Powerful Solution HARTING has developed the new Han® HC 250high current connector as a powerful interface that impresses by requiring little space, transmitting high current intensities and allowing flexible configuration of the number of poles. The HC 250 one-pole crimp module can be connected in various frame geometries to produce the required number of poles in a compact space – and in the existing Han® HPR housing. Technical details: - Rated current 250 A at a rated voltage of 2000 V - Termination cross-sections are: 35 mm2, 50 mm2 and 70 mm2 - Maximum four-pole interfaces in a size 24 B HPR housing, making it particularly suitable for motor connections - High quality plastic with good smoke and inflammability levels - Removal tool for simple installation and removal of the contacts and inserts - Confusion of a number of interfaces is reliably prevented by multiple coding options for the individual inserts The requirements in the railway industry are changing, as
Read more

EGCS-D0 Accelerometer Now Available in 10,000g Range

Measurement Specialties, Inc. (NASDAQ: MEAS) has recently redesigned the EGCS-D0 accelerometer to enable it to accurately and reliably measure up to ±10,000g. This rugged device is critically damped, which is the ideal mechanism to protect the accelerometer against ±20,000g impacts and prevent sensor ringing. The EGCS-D0 accelerometer is now available in ranges from ±5g to ±10,000g which makes it ideal for both critical low-g measurements and high-g impacts. These units feature a Wheatstone Bridge mV output with a standard compensated temperature range of 20ºC to 80ºC (other options available). The EGCS-D0 was specifically designed for impact and shock testing in auto safety, aerospace, military and civil engineering applications. Designed to be bolt-mounted, this device operates from 2-15Vdc excitation with electrical output ratiometric to voltage input. Optional triaxial mounting blocks (MTG-F4), signal conditioners (Model 101) and auto-zero inline amplifiers (Model 140) are avai
Read more
Ilix Cermet Reamers Are Ideal For Dry Machining Engineers Cutting Tools, the UK agent for Ilix, has introduced Ilix solid-carbide and cermet reamers for the machining of hard metals. The machine reamers 6372C and 6323 allow the production of high-precision holes with good surface finish. Compared with HSS, the solid-carbide qualities enable the increase of cutting parameters and tool life. The quality of the reamers is said to guarantee high performance, even for hard metals with a resistance more than 1200N/mm2. The Ilix carbide 6372C range of hundredth reamers is from 0.98mm through to 12.05mm in increments of 0.01mm. The reamers are manufactured to a tolerance of +0.000 - +0.004mm. The cermet reamers 6323 have new cutting geometry developed by Ilix. These reamers are said to be ideal for steel machining, having high chemical stability during the cutting process. They offer good wear resistance due to the high hardness and have low material adhesion. The Ilix cermet reamer is said to
Read more