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The information presented in this cross reference is based on TOSHIBA's selection criteria and should be treated as a suggestion only. Please carefully review the latest versions of all relevant information on the TOSHIBA products, including without limitation data sheets and validate all operating parameters of the TOSHIBA products to ensure that the suggested TOSHIBA products are truly compatible with your design and application.
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4-channel High-Efficiency Automotive Audio Power Amplifier IC: TCB701FNG
Toshiba Electronic Devices & Storage Corporation announced a new 4-channel high-efficiency linear power amplifier "TCB701FNG," that meets current market requirement for high efficiency.
With "TCB701FNG," the company has improved on its technology to realize efficiency comparable with a digital high efficiency, class D amplifier in actual operating range (0.5 to 4W). Power consumption is cut by up to 80% of that for a typical class AB amplifier.
The new amplifier also includes a self-diagnosis function with I2C bus control that can diagnose errors and contribute to a suitable set design by changing the detection setting for gain or time constants. It also includes full-time error detection of output DC offset voltage, which can quickly detect abnormal output offset voltage and prevent speaker burnout, improving set reliability.
- Maximum output: 49W×4ch (Vcc=15.2V,RL=4Ω, MaxPower)
- Output noise voltage: 60µVrms (BW=20Hz to 20kHz)
- Supply voltage: 6V to 18V
- Package: P-HSSOP36-1116-0.65-001
Functions and features
- 6V operations
- Full-time error detection for output DC offset voltage
- Anti-high frequency noise
- I2C bus control allows diagnosis of errors such as cross output connection.
- Various detections are selectable from two or more settings, such as a gain, mute time constants and temperature.
- Can be used as both a power amplifier and line output amplifier.
- Various built-in protection circuits (output cross connection, over voltage, and low voltage)
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