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High-performance analog and mixed-signal
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- Bandgap references: low-voltage (LV) and high-voltage (HV)
- Instrumentation amplifiers: chopping amplifiers
- Low drop out (LDO) regulators
- Low-noise switched capacitor circuits
- Low-noise correlated double sampling (CDS) sample & holds
- Operational transconductance amplifiers (OTAs): offset compensation
- Phase-locked loops (PLL): low jitter, delta-sigma fractional-N synthesis
- Reference buffers
- High-precision, temperature-stable Xtal-less oscillators
- Digital-to-analog (DA) converters: high-accuracy, high-yield, fast-settling
- Delta-Sigma (ΔΣ) analog-to-digital (AD) converters: continuous and discrete time
- Successive approximation AD converters
- Pipeline AD converters
- Inductive bi-directional low-datarate link
- Monolithic oscillators with low-phase noise
- Ultralow-power circuits
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MEMS sensor-actuator interfacing
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- Resistive sensor interfaces: Wheatstone bridge readout
- Capacitive sensor interfaces: tilt, accelerometer, pressure sensors, …
- Magnetic sensor interfaces: Hall sensors, GMR (giant magneto resistance) sensor interface
- Inductive proximity sensor architectures
- High accuracy, fully integrated temperature sensors
- Delta-Sigma (ΔΣ) analog-to-digital (AD) converters: continuous and discrete time
- Successive approximation AD converters
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Power management
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- LDO regulators: low quiescent current / high current output
- Protection circuits: current, voltage and temperature overprotection
- Integrated switching-mode power supplies (highly-efficient DC-DC converters):
- Buck, boost, buck/boost, fly-back, … topologies
- Continuous and discontinuous
- Voltage and current mode
- Single phase or multiphase
- High-frequency - small inductance
- Asynchronous and synchronous
- Pulse width modulation (PWM) – Pulse frequency modulation (PFM)
- Integrated charge pumps and voltage doublers
- Wireless charging and battery management: state-of-charge, state-of-health.
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High-voltage IC design
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- High-voltage (bi-directional) switches
- High-voltage I/O buffers
- Class AB/G/H amplifiers
- Class D audio amplifiers
- (Self-oscillating) power amplifiers
- High-voltage low drop out (LDO) regulators and bandgap references
- High-voltage DC-DC converters: capacitive and inductive, buck, boost, buck-boost, flyback, converters and controllers
- High-voltage charge pumps and voltage doublers
- High-voltage instrumentation front-ends
- H-bridge (e.g. motor steering applications)
- MEMS and piezo drivers (ultrasound)
- High-voltage drivers:
- MEMS drivers
- Line drivers
- Gate drivers
- Laser/LED/LCD/backlight drivers
- Low-side (LS) and high-side (HS) drivers
- Electrode-array drivers (brain, nerve interfaces)
- Solenoid (coil) driver |
