TDA7297 sound amplifier Chip
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Description:
The TDA7297 is a high-performance, dual-channel bridge amplifier integrated circuit (IC) designed for audio applications requiring efficient power amplification with minimal external components. It delivers a total output power of 30W (15W per channel) into a 4-ohm load, making it suitable for various audio systems, including portable radios, TVs, and small home audio setups.
Key Features:
- Dual bridge amplifier configuration for efficient power output
- High output power: 15W per channel into a 4-ohm load
- Wide supply voltage range (6V to 18V) for flexibility
- Minimal external components required (no SVR capacitor, no bootstrap, no Boucherot cells)
- Internally fixed gain for simplified design
- Stand-by and mute functions for power saving and audio control
- Short circuit and thermal overload protection
Technical Specifications:
- Package Type: SOIC-16
- Supply Voltage: 6V to 18V
- Output Power: 15W per channel into a 4-ohm load
- Total Harmonic Distortion (THD): Typically 0.1%
- Signal-to-Noise Ratio (SNR): Typically 80 dB
- Operating Temperature Range: -40°C to +85°C
Applications:
- Portable radios and TVs
- Small home audio systems
- Car audio systems (with appropriate heat sinking and power supply)
- Battery-powered audio devices
Datasheet:
For detailed technical specifications, pin configurations, and application notes, refer to the TDA7297 datasheet.
Technical Specifications:
- Logic Family: CMOS
- Number of Channels: 3
- Switch Configuration: Single-Pole Double-Throw (SPDT)
- Supply Voltage Range: 3V to 15V
- “ON” Resistance (R_ON): 125Ω typical at V_DD = 10V
- “OFF” Leakage Current (I_OFF): ±100pA typical at V_DD = 10V
- Control Input Voltage (V_IH): 0.7 V_DD min, 0.3 V_DD max
- Maximum Operating Frequency: 40 MHz at V_DD = 10V
Applications:
- Signal routing and switching
- Analog and digital multiplexing
- Audio and video signal processing
- Data acquisition systems
- Test equipment