Images are for reference only
PT2257-S
+BOM-
ManufacturerJLCPCB Assembly
-
Mfr. Part #PT2257-S
-
In Stock17446
365 Days Quality Guarantee
7*24 hours service quarantee
90-day after-sales guarantee
Genuine Product Guarantee
Specifications
| Attribute | Value |
| Manufacturer | JLCPCB Assembly |
| Package | SOP-8_L4.9-W3.9-P1.27-LS6.0-BL |
Overview
Description
The PT2257-S is a 6-channel electronic volume control IC designed for audio applications. It features I²C bus control, allowing precise adjustment of volume levels (0 to -79 dB in 1 dB steps) and channel muting.
Key characteristics:
- Low noise and distortion for high-quality audio.
- Wide supply voltage range (4.5V–13.2V).
- Built-in attenuation reset on power-up.
- Compact package (SOP-24), suitable for space-constrained designs.
Commonly used in home theater systems, car audio, and professional audio equipment, the PT2257-S simplifies multi-channel volume control with minimal external components.
For detailed specs, refer to the datasheet.
Key characteristics:
- Low noise and distortion for high-quality audio.
- Wide supply voltage range (4.5V–13.2V).
- Built-in attenuation reset on power-up.
- Compact package (SOP-24), suitable for space-constrained designs.
Commonly used in home theater systems, car audio, and professional audio equipment, the PT2257-S simplifies multi-channel volume control with minimal external components.
For detailed specs, refer to the datasheet.
Equivalent
The PT2257-S is a 6-channel electronic volume control IC. Equivalent or similar products include:
- NJW1156 (Nisshinbo)
- M62429FP (Mitsubishi)
- TDA7448 (STMicroelectronics)
- CS3310 (Cirrus Logic)
These ICs offer comparable functionality for audio volume control, though pinouts and features may vary slightly. Always check datasheets for compatibility.
- NJW1156 (Nisshinbo)
- M62429FP (Mitsubishi)
- TDA7448 (STMicroelectronics)
- CS3310 (Cirrus Logic)
These ICs offer comparable functionality for audio volume control, though pinouts and features may vary slightly. Always check datasheets for compatibility.
Features
The PT2257-S is a 6-channel electronic volume controller IC designed for audio applications. Key features include:
- 6-Channel Control: Independent volume adjustment for each channel.
- Wide Voltage Range: Operates at 4.5V to 13V, suitable for various audio systems.
- Low Distortion & Noise: Ensures high-quality audio output.
- Attenuation Range: -79dB to 0dB in 1dB steps for precise volume control.
- I²C Control Interface: Allows easy digital control via microcontroller.
- Built-in Mute Function: Each channel can be muted individually.
- Low Power Consumption: Ideal for portable and home audio devices.
- Compact Package: Available in SSOP-24, saving PCB space.
Commonly used in car audio systems, home theaters, and professional audio equipment for smooth, noise-free volume adjustment.
- 6-Channel Control: Independent volume adjustment for each channel.
- Wide Voltage Range: Operates at 4.5V to 13V, suitable for various audio systems.
- Low Distortion & Noise: Ensures high-quality audio output.
- Attenuation Range: -79dB to 0dB in 1dB steps for precise volume control.
- I²C Control Interface: Allows easy digital control via microcontroller.
- Built-in Mute Function: Each channel can be muted individually.
- Low Power Consumption: Ideal for portable and home audio devices.
- Compact Package: Available in SSOP-24, saving PCB space.
Commonly used in car audio systems, home theaters, and professional audio equipment for smooth, noise-free volume adjustment.
Pinout
The PT2257-S is a 16-pin IC designed for electronic volume control in audio applications.
Key Functions:
- Volume Control: Adjusts audio levels via I²C or serial interface.
- Channel Control: Supports 2-channel (stereo) or 6-channel operation.
- Attenuation Range: Typically up to -79 dB in 1 dB steps.
- Mute Function: Includes soft mute for noise reduction.
Pin Highlights:
- SCL (Serial Clock) & SDA (Serial Data): For I²C communication.
- VDD & GND: Power supply (3V–5V) and ground.
- IN/OUT Pins: Audio input/output for each channel.
Compact and versatile, it’s used in car stereos, home audio, and AV systems.
Key Functions:
- Volume Control: Adjusts audio levels via I²C or serial interface.
- Channel Control: Supports 2-channel (stereo) or 6-channel operation.
- Attenuation Range: Typically up to -79 dB in 1 dB steps.
- Mute Function: Includes soft mute for noise reduction.
Pin Highlights:
- SCL (Serial Clock) & SDA (Serial Data): For I²C communication.
- VDD & GND: Power supply (3V–5V) and ground.
- IN/OUT Pins: Audio input/output for each channel.
Compact and versatile, it’s used in car stereos, home audio, and AV systems.
Application
The PT2257-S is a 6-channel electronic volume control IC, primarily used in audio systems for precise volume adjustment. Key application areas include:
1. Home Audio Systems – Amplifiers, receivers, and stereo systems.
2. Car Audio – Head units and amplifiers for multi-channel control.
3. Professional Audio Equipment – Mixers, PA systems, and studio gear.
4. Consumer Electronics – TVs, soundbars, and multimedia devices.
5. Industrial Audio – Public address and intercom systems.
It offers low noise, high channel separation, and I²C control, making it ideal for high-quality audio applications.
1. Home Audio Systems – Amplifiers, receivers, and stereo systems.
2. Car Audio – Head units and amplifiers for multi-channel control.
3. Professional Audio Equipment – Mixers, PA systems, and studio gear.
4. Consumer Electronics – TVs, soundbars, and multimedia devices.
5. Industrial Audio – Public address and intercom systems.
It offers low noise, high channel separation, and I²C control, making it ideal for high-quality audio applications.
Package
The PT2257-S is typically available in a SOP-24 (Small Outline Package) or SSOP-24 (Shrink Small Outline Package) form. These surface-mount packages are compact, suitable for space-constrained applications, and feature 24 pins. Exact dimensions may vary by manufacturer, so always check the datasheet for specifics.
