Archive : 8 November 2008 year
Industry's Only Switches with ±VCC Capability in Tiny WLP Packages
18:29Maxim Integrated Products (NASDAQ: MXIM) introduces the MAX14504/MAX14505/MAX14505A/MAX14506 dual SPDT analog switches for multiplexing high audio-output signals with low distortion. The industry's only switches to multiplex -VCC to +VCC signals, these devices enable multiple audio signals to share a single speaker, and thus eliminate the need for a negative supply and simplify designs. Ideal for interfacing to Maxim's DirectDrive® and Class G amplifiers, these switches are also well suited for portable applications that must conserve space while preserving high-fidelity outputs.
The MAX14504/MAX14505/MAX14505A/MAX14506 feature low on-resistance (0.35Ω, typ), low supply current (11µA, typ), and a 2.3V to 5.5V supply-voltage range. Additionally, the MAX14505/MAX14505A integrate shunt resistors to reduce the click-and-pop sounds that occur when switching audio signals between precharged points.
All devices are available in a tiny, 1.5mm x 2.1mm, 12-bump WLP package and are fully specified over the -40°C to +85°C extended temperature range. Prices start at $1.03 (1000-up, FOB USA).
Maxim Integrated Products is a publicly traded company that designs, manufactures, and sells over $2 billion of high-performance semiconductor products annually. It was founded over 25 years ago with the mission to deliver innovative analog and mixed-signal engineering solutions that add value to its customers' products. To date, Maxim has developed over 5800 products serving the industrial, communications, consumer, and computing markets. For more information, go to www.maxim-ic.com.
Industry’s Groundbreaking Light-to-Digital Sensor Combines Unmatched Performance, Ease-of-Use and Power Efficiency
18:26Intersil Corporation a world leader in the design and manufacture of high-performance analog semiconductors, today announced one of the industry’s best performing and easiest-to-use light-to-digital sensor, the ISL29020.
The ISL29020 delivers unmatched performance by combining low-light sensitivity (<0.015 lux), wide dynamic range, best-in-class spectral response as well as best-in-class IR and UV rejection. The ISL29020 is also leads the industry in power efficiency among light-to-digital sensors, using <65 microamps max operating current.
The ISL29020’s I2C output and interface provides both ease-of-use and enhanced functionality. The digital output is a very simple code directly proportional to lux and requires no complex algorithms.
The ISL29020 also has four selectable ranges of light sensitivity, with sensitivity as low as 0.015 lux to as high as 64,000 lux enabling accurate light sensing in low-light conditions as well as direct sunlight. The ISL29020’s low-light sensitivity, combined with the device’s tiny, translucent six-lead ODFN package, allows the sensor to be embedded in applications behind screens of tinted glass and some fabrics and still perform effectively.
In addition to being the industry’s most power efficient light-to-digital sensor, the ISL29020 also features a 0.5 microamps shutdown current and features software and automatic shutdown.
The ISL29020 is an ideal ambient light sensing solution for smart phones, GPS devices, LCD TVs, portable computing devices and automotive infotainment and display applications.
Pricing and Availability
The ISL29020 is available now in a 6-ODFN package and is priced at $1.16 in 1,000-unit quantities. More information on the ISL29020 is available at http://www.intersil.com/cda/deviceinfo/0,1477,ISL29020,0.html
From: http://www.intersil.com
LT8410: Ultralow Power Boost Converters Only Require 8.5uA of Quiescent Current
18:25Linear Technology announces the LT8410/-1 low noise micropower boost converters with integrated power switches, Schottky and catch diodes and output disconnect circuitry packaged in a 2mm x 2mm DFN package. The LT8410/-1 use a unique design scheme, requiring only 8.5uA of quiescent, which is further reduced to 0uA in shutdown. Integrated high value (12.4M/0.4M) output feedback divider resistors enable the LT8410/-1 to regulate a 16V output with no load with less than 30uA of quiescent current. Very small switch current limits (25mA for the LT8410 and 8mA for the LT8410-1) enable these converters to operate very efficiently from high impedance sources, such as coin cell batteries without any inrush current limitations.
The LT8410/-1’s wide 2.6V to 16V input voltage range enables them to operate from single cell Li-Ion batteries up to fixed 12V input rails, delivering outputs up to 40V. The output voltage can be adjusted dynamically by driving the FBP pin with an external voltage source. The LT8410 can deliver over 8mA of output current at 16V from a single Li-Ion cell making it ideal for applications such as precision sensor or biasing power. Both parts use a unique control technique that delivers efficiencies as high as 88% and low output ripple (<10mVPK-PK) over a wide load current range. Other features include integrated soft-start and overvoltage protection. The combination of the LT8410/-1’s 2mm x 2mm DFN package and tiny, low cost ceramic capacitors and inductors provides a very compact solution footprint.
The LT8410EDC and LT8410EDC-1 are both available from stock in an 8-lead 2mm x 2mm DFN package. Pricing starts at $1.75 each for 1,000-piece quantities.
Summary of Features: LT8410/-1
- Ultralow Quiescent Current: 8.5uA in Active Mode, 0uA in Shutdown Mode
- Comparator Built into SHDN pin
- Low Noise Control Scheme
- Adjustable FB Reference Voltage
- Wide Input Range: 2.6V to 16V
- Wide Output Range : Up to 40V
- Integrated Power NPN Switch
- 25mA Current Limit (LT8410)
- 8mA Current Limit (LT8410-1)
- Integrated Schottky Diode
- Integrated Output Disconnect
- High Value (12.4M/0.4M) Feedback Resistors Integrated
- Built in Soft-Start (Optional Capacitor from VREF to GND)
- Overvoltage Protection for CAP and VOUT PVS
- Tiny 8-Pin 2mm x 2mm DFN package