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The LC7385MK-TE-R is a DTMF (Dual-Tone Multi-Frequency) receiver IC manufactured by SANYO. Below are its key specifications, descriptions, and features:

Specifications:

• Manufacturer: SANYO
• Type: DTMF Receiver IC
• Package: SOP (Small Outline Package)
• Operating Voltage: 2.7V to 5.5V
• Operating Temperature Range: -40°C to +85°C
• Frequency Detection Range: DTMF standard frequencies (Low Group: 697Hz, 770Hz, 852Hz, 941Hz; High Group: 1209Hz, 1336Hz, 1477Hz, 1633Hz)
• Power Consumption: Low power consumption suitable for battery-operated devices
• Output Interface: Digital output for decoded DTMF signals

Descriptions:

The LC7385MK-TE-R is a CMOS-based DTMF receiver designed for telecommunication applications. It accurately decodes DTMF signals into corresponding digital outputs, making it suitable for use in telephones, remote control systems, and other communication devices.

Features:

• Low Voltage Operation: Supports 2.7V to 5.5V, ideal for portable devices.
• High Noise Immunity: Reliable DTMF detection even in noisy environments.
• Built-in Band-Split Filter: Separates high and low group frequencies for accurate decoding.
• Digital Output: Provides a 4-bit binary output corresponding to the detected DTMF digit.
• Power-Down Mode: Reduces power consumption when not in use.
• Compact Package: SOP package for space-saving PCB designs.

This IC is commonly used in applications such as telephone systems, security systems, and remote control devices requiring DTMF signal decoding.