Industrial & IoT - AATA JAPAN CO.,LTD.

Section 01

Why Frequency Control Matters in Industrial & IoT

In every connected system, the local oscillator silently sets what is possible: how far a wireless node can reach, how tightly machines can be synchronized, and how long a battery lasts in the field. Specifying the right frequency control device is rarely the loudest design decision — but it is one of the most consequential.

Timing accuracy determines whether a wireless link closes within its allocated guard band.
Synchronization defines how cleanly multiple machines can run as one system.
Power budget: low-current crystal references can extend battery life by years in IoT nodes.
Long-term reliability: aging and MTBF directly drive field replacement intervals.

Section 02

Low-Power Wireless IoT — LPWA, LoRa, NB-IoT, Cat-M1, Wi-SUN, BLE

Battery-powered IoT nodes live or die by the quality of two crystals: a 32.768 kHz tuning fork for the real-time clock, and an MHz-band reference for the radio and microcontroller. Both must hold their tolerance across temperature without burning current.

IoT sensor module reference

RTC 32.768 kHz: ±20 ppm typical (or ±5 ppm precision), ESR ≤ 70 kΩ, CL 7–12.5 pF, sub-µA current draw.
MHz-band reference: 26 / 38.4 / 40 MHz at ±10 ppm to satisfy NB-IoT and Cat-M1 frequency error specs.
BLE: ±40 ppm (within the ±50 ppm specification limit) in compact 2016 / 1612 SMD packages.
Wi-SUN / LoRa: ±20 ppm reference to preserve link budget at long range.

Section 03

Industrial Ethernet & Time-Sensitive Networking

Deterministic networking is what allows a control loop to close, a robot to coordinate with a conveyor, and a grid relay to trip in microseconds. Each of these depends on a clock that does not drift faster than the network can correct.

Factory automation timing

EtherCAT / PROFINET: ±25 to ±50 ppm reference, low integrated jitter.
TSN (IEEE 802.1AS) / IEEE 1588 PTP: TCXO-grade ±50 ppb to ±4.6 ppm for grandmaster and boundary clocks.
10 / 100 / 1000BASE-T: 25 MHz and 125 MHz reference oscillators with low phase jitter (12 kHz–20 MHz integrated).

Section 04

Sensors, PLC, Motor & Servo Control

Inside the control cabinet, frequency control devices appear everywhere: as the heartbeat of MCUs, as the reference for high-resolution encoders, and as the synchronizer between PLC backplane modules.

MCU reference: 8–25 MHz crystals for embedded controllers across instrumentation and automation.
Motor & servo control: low-jitter SPXO references for clean current-loop and encoder synchronization.
PLC backplane: TCXOs for synchronized I/O sampling across modular controller systems.

Section 05

Reliability for Industrial Environments

Industrial deployments span outdoor cabinets at −40 °C, engine rooms at +105 °C, and decade-scale field service. The qualification baseline is correspondingly demanding.

Operating temperature: −40 °C to +85 / +105 / +125 °C grades available.
AEC-Q200-aligned crystal units and oscillators for shared automotive / industrial qualification baselines.
Aging: ±1 to ±3 ppm/year, with long-term stability and verified vibration / shock resistance.
Compliance: RoHS, REACH, halogen-free options across the lineup.

Industrial & IoT inquiry

Specify the right reference for your design.

From RTC tuning forks for battery-powered nodes to TCXOs for TSN grandmaster clocks, our sales team can match a Japanese-quality device to your exact tolerance, package, and volume target. We respond in English and ship worldwide.

Send a message +81-45-662-0533

Industrial Equipment & IoT

Why Frequency Control Matters in Industrial & IoT

Low-Power Wireless IoT — LPWA, LoRa, NB-IoT, Cat-M1, Wi-SUN, BLE

Industrial Ethernet & Time-Sensitive Networking

Sensors, PLC, Motor & Servo Control

Reliability for Industrial Environments

Crystal timing devices for industrial & IoT.

Crystal Unit

SPXO

TCXO & VCTCXO

VCXO & OCXO

Specify the right reference for your design.