Overview
The TDA7440D013TR, produced by STMicroelectronics, is a single-chip solution designed for digital audio processing and control in multichannel applications. This component is particularly suited for high-quality audio systems, such as Hi-Fi setups, where precise control over volume, tone, and balance is crucial. The TDA7440D utilizes BIPOLAR/CMOS technology to achieve low distortion, low noise, and DC stepping, ensuring high fidelity audio output.
Key Specifications
| Parameter | Min. | Typ. | Max. | Unit |
|---|---|---|---|---|
| Operating Supply Voltage (VS) | 6 | 9 | 10.2 | V |
| Operating Ambient Temperature (Tamb) | 0 | - | 70 | °C |
| Storage Temperature Range (Tstg) | -55 | - | 150 | °C |
| Supply Current (IS) | 4 | 7 | 10 | mA |
| Total Harmonic Distortion (THD) at 1Vrms, 1kHz | 0.01 | 0.08 | - | % |
| Signal to Noise Ratio (S/N) at 1Vrms | 95 | 106 | - | dB |
| Channel Separation (SC) at 1kHz | 80 | 100 | - | dB |
| Input Gain (2dB step) | 0 | - | 30 | dB |
| Volume Control (1dB step) | -47 | - | 0 | dB |
| Treble Control (2dB step) | -14 | - | +14 | dB |
| Bass Control (2dB step) | -14 | - | +14 | dB |
| Balance Control (1dB step) | -79 | - | 0 | dB |
| Mute Attenuation | 100 | - | - | dB |
Key Features
- Input Multiplexer: 4 stereo inputs with selectable input gain for optimal adaptation to different sources.
- Volume and Tone Control: Volume control in 1dB steps from 0 to -47dB (mute), treble and bass control in 2dB steps.
- Speaker Attenuators: Two independent speaker controls in 1dB steps for balance facility, with an independent mute function.
- Programmable via Serial Bus: All functions are programmable via an I2C bus interface.
- Low Distortion and Noise: Achieved through BIPOLAR/CMOS technology, ensuring low distortion, low noise, and DC stepping.
- External Filter Configuration: Ability to implement various filter types by connecting external components to the bass and treble pins.
Applications
The TDA7440D013TR is ideal for high-quality audio applications in various systems, including:
- Hi-Fi audio systems
- Home theaters
- Professional audio equipment
- Automotive audio systems
- Any application requiring precise digital audio processing and control.
Q & A
- What is the operating supply voltage range of the TDA7440D013TR?
The operating supply voltage range is from 6V to 10.2V.
- How many stereo inputs does the TDA7440D013TR have?
The component has 4 stereo inputs.
- What is the resolution of the volume control?
The volume control has a resolution of 1dB steps from 0 to -47dB (mute).
- Can the treble and bass controls be adjusted independently?
Yes, the treble and bass controls can be adjusted independently in 2dB steps.
- How is the component programmed?
All functions are programmable via an I2C bus interface.
- What is the thermal resistance junction-pins of the TDA7440D013TR?
The thermal resistance junction-pins is 85°C/W.
- What is the signal to noise ratio (S/N) of the TDA7440D013TR?
The signal to noise ratio is 95 to 106 dB.
- Can external filters be configured with the TDA7440D013TR?
Yes, external filters can be configured by connecting components to the bass and treble pins.
- What is the channel separation of the TDA7440D013TR?
The channel separation is 80 to 100 dB at 1kHz.
- What is the mute attenuation of the TDA7440D013TR?
The mute attenuation is 100 dB.
