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Specifications
SKU: 976900
PREAMPLIFIER WITH ALC CIRCUIT FOR MINI/MICRO CASSETTE TAPE RECORDER
| Parameter | Symbol | Conditions | Min | Typical | Max | Unit |
|---|---|---|---|---|---|---|
| Supply Voltage | Vcc | - | 4.5 | - | 18 | V |
| Quiescent Current | Iq | Vcc = 12V, No Load | - | 1.5 | - | mA |
| Output Voltage (Max) | Vo | Vcc = 12V, RL = 8Ω | - | 10 | - | V |
| Power Output (Max) | Po | Vcc = 12V, RL = 8Ω | - | 1.5 | - | W |
| Frequency Response | - | 10Hz to 100kHz | - | ±1 | - | dB |
| S/N Ratio | - | - | - | 80 | - | dB |
| THD (Total Harmonic Distortion) | - | Vcc = 12V, RL = 8Ω, Po = 1W | - | 0.1 | - | % |
| Input Sensitivity | Vi | Vcc = 12V, RL = 8Ω, Vo = 1Vrms | - | 200 | - | mV |
| Input Impedance | Zi | - | - | 47 | - | kΩ |
| Shutdown Current | Isd | Vcc = 12V, Shutdown Mode | - | 0.1 | - | μA |
Instructions for Use:
Power Supply:
- Ensure the supply voltage is within the range of 4.5V to 18V.
- Use a stable power source to avoid fluctuations that could affect performance.
Circuit Connections:
- Connect the positive terminal of the power supply to the Vcc pin.
- Connect the negative terminal of the power supply to the GND pin.
- Connect the input signal to the IN pin.
- Connect the output to the load (speaker or other device) through the OUT pin.
Quiescent Current:
- The quiescent current is typically 1.5mA at 12V. Ensure your power supply can handle this current without significant drop in voltage.
Output Configuration:
- For optimal performance, use a load resistance of 8Ω.
- The maximum output voltage is 10V when Vcc is 12V and the load is 8Ω.
Frequency Response:
- The frequency response is flat from 10Hz to 100kHz with a variation of ±1dB.
Signal-to-Noise Ratio (S/N):
- The S/N ratio is 80dB, indicating good noise suppression.
Total Harmonic Distortion (THD):
- The THD is 0.1% at 1W output power, ensuring high-fidelity audio reproduction.
Input Sensitivity:
- The input sensitivity is 200mV for an output voltage of 1Vrms at 12V supply and 8Ω load.
Input Impedance:
- The input impedance is 47kΩ, suitable for most audio sources.
Shutdown Mode:
- To enter shutdown mode, apply a low signal to the SHUTDOWN pin. The shutdown current is 0.1μA, significantly reducing power consumption.
Heat Dissipation:
- If operating at high power levels, ensure adequate heat dissipation to prevent overheating. Consider using a heatsink if necessary.
Protection Circuits:
- The TA7330P includes built-in protection circuits for short-circuit, thermal, and overvoltage conditions. However, proper circuit design and component selection are still essential.
Layout Considerations:
- Place decoupling capacitors close to the Vcc and GND pins to minimize noise and improve stability.
- Use short and wide traces for power and ground connections to reduce inductance and resistance.
By following these guidelines, you can ensure optimal performance and reliability of the TA7330P in your audio applications.
(For reference only)Inquiry - TA7330P
