Precision Analog Design Engineer

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

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Qualcomm

Texas Instruments

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Broadcom

NXP

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The job description

Tech stack. Precision analog design, chopper and auto-zero techniques, Cadence Virtuoso, Spectre, low-drift references, statistical mismatch analysis, instrumentation amplifiers, thermocouple effect mitigation, long-term drift analysis

About the role

You will design precision analog circuits at a semiconductor company, building the instrumentation amplifiers, references, and converters that achieve microvolt offsets and part-per-million stability for industrial, medical, and test-and-measurement applications. Precision analog designers pursue the limits of what silicon can measure: their circuits must maintain accuracy across temperature, time, and process variation that would swamp lesser designs, demanding both theoretical depth and experimental care. You will master chopper stabilization, auto-zero, curvature-corrected references, and layout techniques that squeeze the last digits of precision from CMOS.

What you will achieve

Design precision amplifiers including instrumentation amplifiers, chopper-stabilized op-amps, and auto-zero amplifiers achieving microvolt-level offset and drift, verified through temperature sweep characterization.
Design ultra-stable voltage references with curvature correction, achieving single-digit ppm per degree Celsius temperature coefficients across the industrial temperature range.
Implement offset and drift cancellation using chopping, auto-zero, correlated double sampling, or digital trimming, selecting techniques based on quantitative noise, power, and area tradeoffs.
Analyze error budgets comprehensively including offset, drift, noise, PSRR, CMRR, and long-term stability, allocating specifications across the signal chain.
Design for low-frequency precision, managing 1/f noise, thermocouple effects, package stress, and humidity sensitivity that dominate precision performance.
Validate precision circuits with meticulous bench characterization including temperature sweeps, long-term drift measurements, and statistical sampling across production lots, documenting results with the rigor calibration laboratories expect.

What you will bring

Must-haves

5 to 8 years of experience in precision analog or instrumentation design with shipped products.
Deep understanding of precision techniques: chopping, auto-zero, dynamic element matching, and digital trimming.
Strong knowledge of noise theory including 1/f noise mechanisms and mitigation strategies.
Experience with bandgap and buried-zener style references including curvature correction techniques.
Understanding of package stress, thermocouple effects, and other subtle precision limiters.
Proficiency with Cadence tools including Monte Carlo, noise analysis, and temperature sweep methodologies.
Meticulous bench measurement skills for microvolt-level characterization with proper guarding and shielding in thermally stable measurement environments.

Nice-to-haves

Experience with high-resolution data converters or precision DACs.
Familiarity with industrial instrumentation standards and applications.
Knowledge of radiation-hardened precision design for harsh environments.
Background in metrology or calibration laboratory practices.