The is a high-performance tone decoder from Texas Instruments. This component is functionally compatible with the LM567 and is designed for various applications such as touch-tone decoding, remote controls, and ultrasonic controls.

• Features a phase-locked loop (PLL) circuit.
• Supply voltage range: 2V to 9V.
• Frequency range: 0.01Hz to 500kHz.
• High sensitivity and noise immunity.
• Low power consumption and robust operation in -40°C to 85°C temperature range.
• Available in an 8-Pin PDIP (Dual In-line Package).
• RoHS compliant, environmentally friendly, and lead-free.