Advanced Linear Devices, Inc., (ALD) develops and manufactures ultra-low-power, precision CMOS analog integrated circuits and related board level products, incorporating the company’s exclusive EPAD® technology. ALD's standard products include a full complement of “best-of-breed” ultra-low-charge-injection low-voltage analog switches, dual-slope A/D converters and digital processors, precision voltage comparators, rail-to-rail CMOS operational amplifiers, and low-drift CMOS timers with high discharge output, as well as an extensive selection of enhancement, depletion, and zero-threshold mode EPAD matched small signal MOSFET arrays.
Advanced Linear Devices ALD8100/ALD9100 SAB MOSFETs are EPAD MOSFETs designed to address leakage balance of supercapacitors connected in series. ALD SAB MOSFETs have unique electrical characteristics for active continuous leakage current regulation and self-balancing of stacked seriesconnected supercaps while practically eliminating extra power dissipation. For many applications, SAB MOSFET automatic charge balancing offers a simple, economical and effective method to balance and regulate supercap voltages. With SAB MOSFETs, each supercap in a series-connected stack is continuously and automatically controlled for precision effective supercap leakage current and voltage balancing. The ALD8100/ALD9100 MOSFETs offer a superior alternative solution to other passive resistor-based or operational amplifier based balancing schemes, which typically contribute continuous power dissipation due to linear currents at all voltage levels. They are also a preferred alternative to other active supercap charging and balancing regulator ICs where tradeoffs in cost, efficiency, complexity and power dissipation are important design considerations. The SAB MOSFET provides regulation of the voltage across a supercap cell by increasing its drain current exponentially across the supercap when supercap voltages increase, and by decreasing its drain current exponentially across the supercap when supercap voltages decrease. Advanced Linear Devices ALD8100/ALD9100 SAB MOSFETs offer the user a selection of different threshold voltages for various supercap nominal voltage values and desired leakage balancing characteristics.
Advanced Linear Devices Precision N-Channel EPAD MOSFET Arrays are precision matched at the factory using ALD’s proven EPAD® CMOS technology. These dual monolithic devices are enhanced additions to the ALD110900A/ALD110900 EPAD® MOSFET Family, with increased forward transconductance and output conductance, particularly at very low supply voltages. Intended for low voltage, low power small signal applications, the ALD212900A/ALD212900 features Zero-Threshold™ voltage, which enables circuit designs with input/output signals referenced to GND at enhanced operating voltage ranges. With these devices, a circuit with multiple cascading stages can be built to operate at extremely low supply/bias voltage levels. These precision devices are versatile as design components for a broad range of analog small signal applications such as basic building blocks for current mirrors, matching circuits, current sources, differential amplifier input stages, transmission gates, and multiplexers. They also excel in limited operating voltage applications, such as very low level voltage-clamps and nano-power normally-on circuits.
Advanced Linear Devices ALD210800/ALD210800A Precision N-Channel EPAD® MOSFET Arrays are precision matched at the factory using ALD’s proven EPAD® CMOS technology. These quad monolithic devices are enhanced additions to the ALD110800A/ALD110800 EPAD® MOSFET Family, with increased forward transconductance and output conductance, particularly at very low supply voltages. Intended for low voltage, low power small signal applications, the ALD210800/ALD210800A features Zero-Threshold™ voltage, which enables circuit designs with input/output signals referenced to GND at enhanced operating voltage ranges. With these devices, a circuit with multiple cascading stages can be built to operate at extremely low supply/bias voltage levels.
Advanced Linear Devices Micropower Step-Up Low Voltage Booster Modules
are a self-powered voltage-booster module that converts a low DC
voltage input to a higher AC or DC voltage output suitable for many
low-power energy harvesting applications using photo-diodes, thermoelectric or electromagnetic generators as the input source. These Micropower Step-Up Low Voltage Booster Modules do not need a separate power supply to operate and it derives its power directly from the low input voltage source. The Advanced Linear Devices Micropower Step-Up Low Voltage Booster Modules draw input power levels starting as low as 2µW, which enables an on-board self-starting oscillator.
Advanced Linear Devices ALD7555 and ALD7556 single and dual CMOS analog RC timers offer improved performance, exceeding other 7555 and 7556 timers on the market in terms of accuracy and stability. The combination of low power and speed gives mobile and handheld devices access to a low cost alternative that was previously unavailable. The Advanced Linear Devices ALD7555 and ALD7556 allow timers to now be used in small battery operated platforms, which was not previously possible. These RC timers can be used in place of a microprocessor or crystal in many cases, simplifying the design. These Advanced Linear Devices products supply current for low power applications and have the low supply current on the market. The ALD7555 and ALD7556 also provide reduced timing error. The reduction of current is 50% of any other low power CMOS timer currently in the market. These RC timers improve repeatability and speed for precise and accurate performance. These RC timers also feature improved drift with temperature of only 10 ppm per degree C and improved drift with supply voltage. The ALD7555 and ALD7556 are ideal for use in a variety of applications, including battery technology, power supplies, gaming, and handheld wireless.
Advanced Linear Devices' most recent product announcement includes a family of ultra-high-efficiency Energy Harvesting Modules with performance achievements considered paramount in the industry. ALD Energy Harvesting Modules
capture, accumulate, store, and condition wasted energy from a variety
of energy sources, e.g., piezoelectric, electromagnetic, solar, and a
variety of thermoelectric materials. This harvested energy,
in turn, can efficiently power intermittent duty conventional
electrical circuits and wireless sensor networks requiring 3 to 5 volts
DC. ALD Energy Harvesting Modules utilize another recent design
first - Zero-Threshold MOSFET integrated circuits incorporating the
company's exclusive EPAD® technology.