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News
Toshiba Electronic Devices & Storage Corporation Launches 4-channel High-Efficiency Linear Power Amplifier for Car Audio
2017-12-07 | ReturnWith "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 90% 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.
Main specifications
Part number |
|
Maximum output |
49W×4ch (Vcc=15.2V,RL=4Ω, MaxPower) |
Supply voltage |
6V to 18V |
Total harmonic distortion |
0.01% (Pout=0.4W) |
Output noise voltage |
60μVrms (BW=DIN_AUDIO) |
Power consumption |
Up to 1/10 lower than a typical class AB amplifier |
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) |
Package |
P-HSSOP36-1116-0.65-001 |
Source:http://www.semicon.toshiba.co.jp/eng/