Analogue / Linear / Mixed Signal ICs

Akustica, the designer of MEMS microphones, is targeting the high end microphone market with a high end bottom-port microphone with a 67dB signal-to-noise ratio (SNR). The microphone uses a new Asic design and will be built using a new MEMS architecture and fabrication process which includes additional material layers and optimised thicknesses of current layers. The AKU350 is a bottom-port, metal-lid, ...

Akustica, the MEMS microphone specialist, is sampling two analogue microphones.

IDT has brought out two families of crystal oscillators. The XU and XL crystal oscillators are customisable for frequencies from 16kHz to 1.5GHz, with 300fs RMS phase jitter, and are available in HCMOS, LVPECL, LVDS, and HCSL outputs. To shorten time to market, IDT is offering fast delivery of the devices in two weeks or less. “The XU and XL crystal ...

Electronics Weekly makes its selection of the six stand-out analogue chips of the year.   Analog Devices – AD9625-2.5 ultra-wideband data converter is designed to offer excellent linearity up to 1GHz. The converter’s noise spectral density of its noise floor, coupled with high input bandwidth supports undersampling architectures in the second Nyquist zone, thereby eliminating a frequency down-conversion stage. ams ...

ON Semiconductor has introduced a family of CMOS op amps that are designed to deliver zero drift operation for front-end amplifier circuits and power management designs.

Silego, the configurable mixed signal IC specialist,  has introduced a load switch with current measurement called CurrentPAK.

Linear Technology has introduced a digital temperature measurement IC which directly digitises RTDs, thermocouples, thermistors and external diodes with 0.1°C accuracy and 0.001°C resolution. The device integrates low offset buffered ADCs with excitation and control circuits for each sensor. Measurements are performed under the control of a digital engine combining all the algorithms and linearization required for each. The LTC2983 ...

Analog Devices is aiming at low-power signal measurement with a combined synchronous demodulator and filter chip which allows precision magnitude and phase measurements to be made on analogue signals buried in noise. Called ADA2200, the IC has a digitally-controlled switched-capacitor analogue signal chain, which the firm describes as ‘sampled analogue technology’ (SAT), that Analog acquired when it bought Lyric Semiconductor. ...

Aiming at direct digital to RF conversion in E-band (71-76 and 81-86GHz) applications, Analog Devices have introduced a 16bit dual DAC which operates at up to 2.8Gsample/s. Called AD9136 (there is also an 11bit AD9135), it is designed to work with the ADRF672 quadrature modulator (see diagram) to produce complex RF waveforms for phone basestations and point-to-point microwave communication. Complex ...

International Rectifier is supporting single stage flyback and buck-boost topologies in LED driver designs for bulb replacement, tube lighting and downlights. Its IRS29831 LEDrivIR controller integrates a 700V power mosfet with high-voltage start-up which is necessary for single stage designs. Designed for both isolated and non-isolated flyback LED drivers, the device offers single stage primary side regulation with a high ...