Universal Controller
Siemens RWF 55.50A9 Controller
The Siemens RWF 55.50A9 is a high-performance analog comparator used in measurement systems and control loops. With ultra-low offset, high speed and strong noise immunity, it suits industrial automation, medical devices and burner control signal processing.
Specifications
| Brand | Siemens |
|---|---|
| Model | RWF 55.50A9 |
| Type | High-performance analog comparator / controller |
| Input offset | 50 uV max |
| Propagation delay | 20 ns typ at 5 V |
| Output | Rail-to-rail, CMOS/TTL/LVDS compatible |
| Supply current | 200 uA max at 5 V |
| CMRR | > 100 dB |
| Hysteresis | Up to 500 mV (external resistor) |
| Package | SOT23, WLP |
Why buyers choose it
- Sub-microvolt 50 uV offset removes external trimming in precision measurement.
- 20 ns propagation supports ADC and PWM high-frequency control.
- Rail-to-rail and logic-family compatibility simplify circuit design.
- 200 uA quiescent current extends battery and IoT sensor life.
- >100 dB CMRR rejects noise in heavy EMI industrial environments.
Applications
PLC and PID process-variable comparison in industrial automation.
Medical fluid-level and patient-monitor signal conditioning.
Burner control signal comparison and safety setpoint logic.
Buyer Questions
Siemens RWF 55.50A9 Controller FAQs
What is the Siemens RWF 55.50A9?
A high-performance analog comparator/controller (RWF 55.50A9) with 50 uV offset, 20 ns speed and >100 dB CMRR for precision control loops.
Does it need external trimming?
No, the 50 uV max offset eliminates external trimming resistors in most designs.
What packages are available?
Ultra-small SOT23 and WLP surface-mount formats for high-density PCBs.
Request a quote for RWF 55.50A9
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