PDF-Analog Applications Journal Texas Instruments Incorporated HighPerformance Analog Products

ticomaa 3Q 2010 Power Management Coupled inductors broaden DCDC converter usage Introduction Recently inductor manufacturers have begun to release offtheshelf coupled inductors Consisting of two separate inductors wound on the same core coupled induc. ticomaaj HighPerformance Analog Products Industrial communication via fieldbustransceiver systems often requires long transmission lines Designers unaware of the large groundpotential differences GPDs between remote bus locations either rely on the l ticomaaj 1Q 2012 Texas Instruments Incorporated Benefits of a multiphase buck converter Introduction Singlephase buck controllers work well for lowvoltage converter applications with cur rents of up to approximately 25 A but power dissipation and eff ticomaaj HighPerformance Analog Products Clock jitter analyzed in the time domain Part 3 Introduction Part 1 of this threepart article series focused on how to accurately estimate jitter from a clock source and combine it with the aperture jitter of ticomaa 2Q 2010 Power Management Designing DCDC converters based on ZETA topology Introduction Similar to the SEPIC DCDC converter topology the ZETA converter topology provides a positive output voltage from an input voltage that varies above and bel ticomaaj Analog and MixedSignal Products Autozero amplifiers ease the design of highprecision circuits A wide variety of electronic applications deal with the conditioning of small input signals These systems require signal paths with very low offset ticomaaj HighPerformance Analog Products Efficiency of synchronous versus nonsynchronous buck converters Choosing the right DCDC converter for an application can be a daunting challenge Not only are there many available on the market the designer has ticomaa HighPerformance Analog Products Power Management Finetuning TIs Impedance Track battery fuel gauge with LiFePO cells in shallow discharge applications The Impedance Track batteryfuel gauging technology from Texas Instruments TI is a powerful ticomaaj Analog and MixedSignal Products Getting the most out of your instrumentation amplifier design Many industrial and medical applications use instrumentation amplifiers INAs to condition small signals in the presence of large commonmode voltage ticomaaj 1Q 2007 Accurately measuring ADC driving circuit settling time Introduction Many modern data acquisition systems consist of high speed highresolution ADCs CMOSswitched capacitor based ADCs are often chosen for such designs due to their low c ticomaaj HighPerformance Analog Products Synchronous rectification boosts efficiency by reducing power loss Introduction Some applications require the highest possible power effi ciency For example in a harsh environment that requires a DCDC power su 15 CP 0 15 CG 0 15 CO 1 2 4 8 This symbol is in accordance with ANSIIEEE Std 911984 and IEC Publication 61712 4 10 11 12 13 14 28 27 26 25 24 23 22 21 20 19 18 17 16 15 A B GND GND GND GND CC CC S0 S1 S2 S3 DW PACKAGE TOP VIEW EPIC is a trademark ticomaaj HighPerformance Analog Products Using fully differential op amps as attenuators Part 1 Differential bipolar input signals Introduction Conditioning highvoltage input signals to drive ADCs from highvoltage sources can be challenging How can a Split or dualsupply op amp circuit design is straightforward because op amp inputs and outputs are referenced to the normally grounded center tap of the supplies In the majority of splitsupply applications sig nal sources driving the op amp inputs a ticomaaj 2Q 2011 Texas Instruments Incorporated 14 Benefits of a coupledinductor SEPIC converter The singleended primaryinductor converter SEPIC is capable of operating from an input voltage that is greater or less than the regulated output voltage A