HLF TA7666 – 5-Dot Dual LED Level Meter Driver (DIP16) | Audio Display Driver IC | 5V–14V, –20°C to +70°C | Through-Hole Package

The HLF TA7666 (DIP16) is a dual 5-dot LED level meter driver designed for stereo audio level indication and visual signal monitoring. Each channel controls five LEDs, providing an easy-to-read bar or dot display of signal amplitude. The built-in rectifier and reference circuitry allow direct AC signal input, minimizing external components and ensuring stable, accurate display response.

Its wide operating voltage range, high reliability, and low power consumption make it ideal for use in audio amplifiers, equalizers, and sound equipment.

Key Features:

• Function: Dual 5-Dot LED Level Meter Driver

• Technology: Analog Display Driver

• Operating Voltage: 5V – 14V

• Operating Temperature: –20°C to +70°C

• Package Type: DIP16 (Dual In-Line Package)

• Mounting Type: Through-Hole

• Dual-Channel 5-Level Display Capability

• Built-In Reference Voltage and Rectifier

• Adjustable Sensitivity

• Direct LED Drive (No External Transistors Required)

• Low Power Consumption and High Stability

Applications:

• Stereo Audio Level Indicators

• VU Meters and Signal Monitors

• Audio Mixers and Equalizers

• Home and Professional Audio Equipment

• Portable Audio Devices