TC9154AP Audio Volume Control IC DIP-16
TC9154AP Audio Volume Control IC DIP-16 is a CMOS integrated circuit designed for the electronic control of audio volume in stereo audio equipment. It provides precise attenuation control from 0dB to –66dB in 2dB steps and supports both dual and single power supply operation. The IC features built-in oscillator-based up/down volume control and can also be digitally controlled through external data, clock, and strobe signals. With its low current consumption and wide operating voltage range, the TC9154AP is an excellent choice for audio amplifiers, stereo systems, and consumer audio applications.
Features
- CMOS electronic volume control IC.
- Designed for stereo audio equipment.
- Controls attenuation from 0dB to -66dB.
- 2dB attenuation step resolution.
- Two-channel audio volume control.
- Supports both dual and single power supply operation.
- Built-in oscillator for up/down volume control.
- Supports external data, clock, and strobe control.
- Low current consumption.
- Wide operating voltage range.
- Standard DIP-16 through-hole package.
Specifications
| Parameter | Details |
| Product Type | Audio Volume Control IC |
| Part Number | TC9154AP |
| Manufacturer | Toshiba |
| Package Type | DIP-16 |
| Mounting Type | Through Hole |
| Technology | CMOS |
| Channels | 2 Channel Stereo |
| Attenuation Range | 0dB ~ -66dB |
| Step Resolution | 2dB |
| Control Method | Up Down Or Serial Data |
| Built-in Oscillator | Yes |
| Operating Voltage Current | 6VDC ~ 12VDC |
| Operating Supply Current | 1mA ~ 3mA |
| Maximum Supply Voltage | 13VDC |
| Power Dissipation | 150mW |
| Operating Temperature | -30°C~75°C |
| Storage Temperature | -55°C~125°C |
Pin Configuration

| Pin Number | Pin Name | Function / Description |
|---|---|---|
| 1 | VDD | Positive supply voltage. |
| 2 | L-OUT1 | Left channel output 1. |
| 3 | L-IN1 | Left channel input 1. |
| 4 | A-GND | Analog ground. |
| 5 | L-IN2 | Left channel input 2. |
| 6 | L-OUT2 | Left channel output 2. |
| 7 | GND | Ground. |
| 8 | STB | Strobe input. |
| 9 | DTA | Serial data input. |
| 10 | CK | Clock input. |
| 11 | R-OUT2 | Right channel output 2. |
| 12 | R-IN2 | Right channel input 2. |
| 13 | A-GND | Analog ground. |
| 14 | R-IN1 | Right channel input 1. |
| 15 | R-OUT1 | Right channel output 1. |
| 16 | VDD | Positive supply voltage. |
Connection Block Diagram

Applications
Package Contents
- 1 x TC9154AP Audio Volume Control IC DIP-16
