STMicroelectronics LY3200ALH

Overview

LY3200ALH from STMicroelectronics is a single-axis MEMS yaw-rate gyroscope delivering analog angular-rate output with ±2000 dps full-scale range, 140 Hz −3 dB bandwidth, and 0.67 mV/dps sensitivity. It operates from 2.7 V to 3.6 V over −40°C to +85°C and integrates self-test, sleep mode, and power-down functionality for motion-sensing applications in gaming controllers and industrial robotics.

For engineers reviewing the LY3200ALH datasheet, LY3200ALH pinout, LY3200ALH application, or LY3200ALH equivalent, this page provides verified technical context, package mapping, real-world use scenarios, and validated alternative options aligned with ST's documented electrical and mechanical specifications.

Technical Context

The LY3200ALH implements a Coriolis-effect-based sensing element with continuous oscillation of a single driving mass, coupled to a CMOS interface IC that conditions and outputs analog voltage proportional to angular rate about the Z-axis. Its internal PLL synchronizes drive and sense paths, and integrated low-pass filtering supports stable DC-coupled rate measurement.

It features factory-trimmed zero-rate level (1.5 V), temperature-stable sensitivity (0.01 %/°C drift), and configurable operating modes-normal, sleep (4.2 mA → 2.2 mA), power-down (5 µA), and self-test-controlled via dedicated ST and SLEEP/PD pins per Table 6 of the official datasheet.

Key Specifications

Pinout & Package

The LY3200ALH is housed in a 3 mm × 5 mm × 1 mm LGA-10 plastic land grid array package with exposed thermal pad (not electrically connected). Pin layout follows top-view orientation with Pin 1 located at top-left corner per Figure 2 and mechanical drawing in Section 6.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar yaw-axis analog gyroscope applications.

Compared with ADXRS453 and MPU-6050, the LY3200ALH offers lowest system integration overhead for dedicated yaw-rate sensing-no ADC or firmware driver needed-while maintaining industrial-grade temperature stability and shock tolerance in a compact LGA package.

Availability

LY3200ALH is available at Aetrix Electronics and suitable for gaming peripherals, industrial robotics, pointing devices, and motion-controlled UIs requiring stable component supply, long-term lifecycle support, and consistent factory calibration across production batches.

Supply support for LY3200ALH includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.

Manufacturer

STMicroelectronics is a global semiconductor leader headquartered in Geneva, Switzerland, specializing in MEMS sensors, microcontrollers, power management, and automotive ICs with over 30 years of industrial reliability.

The LY3200ALH belongs to ST's high-stability analog gyroscope product line, designed specifically for cost-sensitive, low-power motion-sensing applications where precision analog output, wide temperature operation, and mechanical ruggedness are critical.

FAQ

What is the recommended external circuit for the VCONT pin?

The VCONT pin (Pin 3) requires an external RC low-pass filter to stabilize the internal PLL. ST specifies a 10 kΩ resistor and 100 nF capacitor to ground, with optional 470 nF bypass capacitance. This configuration suppresses phase noise and ensures accurate synchronization between drive and sense circuits, directly impacting output stability and bandwidth fidelity.

How does the self-test function verify sensor integrity?

The self-test applies an electrostatic force to the MEMS mass via the ST pin, emulating a known Coriolis acceleration. When activated, it induces a predictable 400 mV DC shift in OUTZ relative to zero-rate level. Measuring this shift confirms both mechanical mobility of the sensing element and correct gain/offset behavior of the analog signal chain-no external rotation source required.

Can LY3200ALH operate reliably at 2.7 V supply?

Yes-LY3200ALH is fully specified from 2.7 V to 3.6 V. At 2.7 V, supply current remains within 4.2 mA typical, zero-rate level holds near 1.5 V, and sensitivity retains 0.67 mV/dps. Factory calibration is performed at 3 V, but electrical characteristics are guaranteed across the entire supply range per Table 4 of the datasheet.

Is the LGA-10 package compatible with standard reflow profiles?

Yes-the LGA-10 package is qualified per JEDEC J-STD-020 moisture sensitivity level 3 and supports standard lead-free reflow profiles. ST recommends peak temperatures ≤260°C, 60–90 seconds above 217°C, and avoidance of thermal shock. Land pattern dimensions and solder paste stencil guidelines are published in ST's AN3771 application note.