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LTC2754CUKG-12PBF Datasheet(PDF) 1 Page - Linear Technology |
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LTC2754CUKG-12PBF Datasheet(HTML) 1 Page - Linear Technology |
1 / 28 page LTC2754 1 2754f TYPICAL APPLICATION FEATURES APPLICATIONS DESCRIPTION Quad 12-/16-Bit SoftSpan IOUT DACs The LTC®2754 is a family of quad 12- and 16-bit multiplying serial-input, current-output digital-to-analog converters. They operate from a single 3V to 5V supply and are guar- anteed monotonic over temperature. The LTC2754A-16 provides full 16-bit performance (±1LSB INL and DNL, max) over temperature without any adjustments. These SoftSpan™ DACs offer six output ranges (up to ±10V) that can be programmed through the 3-wire SPI serial interface, or pinstrapped for operation in a single range. The content of any on-chip register (including DAC out- put-range settings) can be verified in just one instruction cycle; and if you change any register, that register will be automatically read back during the next instruction cycle. Voltage-controlled offset and gain adjustments are also provided; and the power-on reset circuit and CLR pin both reset the DAC outputs to 0V regardless of output range. Quad 16-Bit VOUT DAC with Software-Selectable Ranges n Program or Pin-Strap Six Output Ranges 0V to 5V, 0V to 10V, –2.5V to 7.5V, ±2.5V, ±5V, ±10V n Maximum 16-Bit INL Error: ±1 LSB over Temperature n Guaranteed Monotonic over Temperature n Low Glitch Impulse 0.26nV•s (3V), 1.25nV•s (5V) n Serial Readback of All On-Chip Registers n Low 1μA Maximum Supply Current n 2.7V to 5.5V Single-Supply Operation n 16-Bit Settling Time: 2μs n Voltage-Controlled Offset and Gain Trims n Clear and Power-On-Reset to 0V Regardless of Output Range n 52-Pin 7mm × 8mm QFN Package ■ High Resolution Offset and Gain Adjustment ■ Process Control and Industrial Automation ■ Automatic Test Equipment ■ Data Acquisition Systems LTC2754-16 DAC D DAC A VREFA VDD VOUTA VOUTD VREFD VOSADJA VOSADJD IOUT2A IOUT1A IOUT1D IOUT2D RFBA RFBD SPI with READBACK DAC C DAC B VREFB VOUTB VOUTC VREFC VOSADJB VOSADJC ALL AMPLIFIERS 1/2 LT1469 IOUT2B IOUT1B IOUT1C IOUT2C RFBB RFBC 2754 TA01 L, LT, LTC, LTM, Linear Technology and the Linear logo are registered trademarks of Linear Technology Corporation. SoftSpan is a trademark of Linear Technology Corporation. All other trademarks are the property of their respective owners. Protected by U.S. Patents, including 5481178. CODE 0 –1.0 –0.8 –0.4 –0.2 0 1.0 0.4 16384 32768 2754 G01 –0.6 0.6 0.8 0.2 49152 65535 VDD = 5V VREF = 5V ±10V RANGE LTC2754-16 Integral Nonlinearity (INL) |
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