Sensor Analog Design Engineer

Analog Design Engineer Senior (L5 equivalent) 5-8 years

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Texas Instruments

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NXP

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The job description

Tech stack. Sensor interface design, low-noise amplifiers, chopper stabilization, Cadence Virtuoso, Spectre, MEMS interfaces, precision analog, ultra-low-power design, transducer modeling

About the role

You will design sensor interface circuits at a semiconductor company, building the ultra-sensitive front ends that convert tiny physical signals into robust digital data used by control systems and decision algorithms. Sensor analog designers work with the smallest signals in electronics: microvolt sensor outputs buried in noise, slowly drifting offsets, and harsh environmental conditions. You will design chopper-stabilized amplifiers, precision ADCs, excitation drivers, and complete sensor signal chains for applications from industrial sensing to biomedical monitoring.

What you will achieve

Design sensor analog front ends including low-noise amplifiers, programmable gain stages, and anti-alias filters optimized for specific transducer characteristics and signal levels.
Implement offset and 1/f noise cancellation using chopper stabilization, auto-zero, or correlated double sampling, achieving microvolt-level precision in real operating conditions.
Design excitation and biasing circuits for resistive, capacitive, or MEMS sensors with the stability and noise performance the measurement accuracy demands.
Optimize sensor interfaces for ultra-low power where applications demand years of battery life, balancing noise performance against current consumption quantitatively.
Design the complete sensor signal chain including amplification, filtering, conversion, and digital interfacing, budgeting error contributions across every stage to guarantee end-to-end accuracy.
Validate sensor interfaces with real transducers under realistic operating conditions, characterizing noise, offset drift, linearity, and temperature stability against the application's accuracy requirements.

What you will bring

Must-haves

5 to 8 years of experience in sensor interface, precision analog, or instrumentation design with shipped products.
Deep understanding of low-noise design: noise sources, chopper stabilization, auto-zero techniques, and their tradeoffs.
Strong circuit design skills for precision amplifiers, references, and low-frequency signal chains.
Knowledge of sensor types including resistive bridges, capacitive MEMS, thermocouples, and photodiodes, and their interface requirements.
Experience with ultra-low-power design techniques for battery-powered sensing applications.
Proficiency with Cadence tools including noise analysis and Monte Carlo for precision design.
Bench measurement expertise for low-level signals including shielding, guarding, and noise measurement techniques in electrically noisy environments.

Nice-to-haves

Experience with biomedical sensor interfaces and their safety and regulatory considerations.
Familiarity with MEMS co-design or sensor fusion architectures.
Knowledge of industrial functional safety requirements for sensor systems.
Background in energy harvesting or self-powered sensor nodes.