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Analogue / Linear / Mixed Signal ICs

The latest Electronics Weekly product news on analogue, linear and mixed-signal ICs.

Modules combine Microchip touch and 3D gesture sensing

Microchip touch gesture display

Microchip has revealed a pair of linked peripheral modules that can combined projected multi-touch 2D and 3D gesture sensing for microcontrollers. Developed with Silicon Integrated Systems (SiS), both are capacitive, with the 3D sensing based on strip electrodes along each edge of the display. A version of its GestIC technology, it can track a hand up to 200mm from the ...

Maxim chip will connect industrial IoT sensor networks


Maxim Integrated has introduced dual-channel transceiver for sensor networks in a small form-factor for industrial IoT designs. The MAX14827 dual-channel, 250mA transceiver meets the requirements of IO-Link sensor networks, and it has a high-voltage function for industrial sensors, including drivers and regulators. For sensors that use a microcontroller, a SPI interface is available with extensive diagnostics. For IO-Link operation, a ...

Clock distribution IC has 3 independent outputs


Linear Technology has introduced a 1.8GHz clock distribution IC with three independent outputs, each with its own divider and phase delay. The device, the LTC6954, has a jitter specification of less than 20femto-second (RMS) additive jitter over the 12kHz to 20MHz bandwidth. This minimises the noise the chip introduces when dividing and distributing its input clock. There are four versions of the ...

First CXPI-compatible transceiver IC

Rohm BD41000F CXPI

Rohm is claiming a first, with a transceiver IC for the CXPI automotive communication protocol – aimed at body control applications such as steering wheel switches, air conditioning and instrument panels. The BiCDMOS chip, called BD41000FJ-C, enables multiplexing between electronic control units (ECUs) to reduce wiring (see diagram). “To decrease weight, many systems adopt LIN for multiplex communication,” said Rohm, claiming: ...

One chip MCU thermocouple interface

Microchip MCP9600

Microchip has released a thermocouple to digital converter accurate to ±1.5°C, claims the firm (0 to +85°C ambient). Called MCP9600, it includes junction compensation, needs no external components except a decoupling capacitor, and works with thermocouple Types K, J, T, N, S, E, B and R (NIST ITS-90). As well as a digital output via I2C, it has four logic-level ...

Monitor PSU voltage and current via a single pin

Microchip PAC1921

Can a microcontroller monitor PSU voltage and current through a single analogue pin? Yes, now that Microchip has introduced its PAC1921, which does just that. The trick is that it also has a serial bus that tells the analogue output whether it is representing passing current or rail voltage at any given moment. The two-wire serial I2C-compatible bus follows the SMBus power ...

Programmable analogue ICs are route to cost-efficiency


Design reuse can apply to analogue circuits as much as to digital, writes Steve Logan, who describes what programmable analogue devices can offer a designer. What would you, an IC system designer, put into an ideal programmable analog device? Start with 20 ports of programmable ADCs, DACs, digital IOs, switches, level translators, and internal and external temperature-sensor connections. Make any ...

TI battery charger IC has low quiescent current

TI battery charger IC

Texas Instruments has introduced a battery charger IC with a buck converter with its lowest quiescent current (Iq) specification. The bq25120 has an Iq of 700nA operating at 1.8V. The chip features a linear charger, configurable LDO, load switch along with the buck converter and battery voltage monitor. Battery voltages 3.6V to 4.65V are supported and its charge currents range ...

Freescale aims ABS chip at motorbikes

14oct15 Freescale SB0400 SB0401 motorbike 3

Motorcycles get their own anti-lock braking (ABS) chip with Freescale’s MC33SB0400 analogue chip, which includes solenoid power stages, but needs no heatsink. “Introduction of the products coincides with the upcoming initial implementation of European Commission legislation making the fitment with ABS for all new motorcycles above 125cc to be mandatory beginning 1 January 2016,” said Freescale. “By incorporating these 7x7mm devices ...