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TPA0103PWP データシート(PDF) 2 Page - Texas Instruments |
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TPA0103PWP データシート(HTML) 2 Page - Texas Instruments |
2 / 4 page TPA0103 1.75-W 3-CHANNEL STEREO AUDIO POWER AMPLIFIER SLOS167A – JULY 1997 – REVISED MARCH 2000 2 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 description The TPA0103 is a 3-channel audio power amplifier in a 24-pin TSSOP thermal package primarily targeted at desktop PC or notebook applications. The left/right (L/R) channel outputs are single ended (SE) and capable of delivering 500 mW of continuous RMS power per channel into 4- Ω loads. The center channel output is a bridged tied load (BTL) configuration for delivering maximum output power from PC power supplies. Combining the SE line drivers and high power center channel amplifiers in a single TSSOP package simplifies design and frees up board space for other features. Full power distortion levels of less than 0.25% THD+N into 4- Ω loads from a 5-V supply voltage are typical. Low-voltage application are also well served by the TPA0103 providing 800 mW to the center channel into 4- Ω loads with a 3.3-V supply voltage. Amplifier gain is externally configured by means of two resistors per input channel and does not require external compensation for settings of 1 to 10. A two channel input MUX circuit is integrated on the L/R channel inputs to allow two sets of stereo inputs to the amplifier. In the typical application, the center channel amplifier is driven from a mix of the L/R inputs to produce a monaural representation of the stereo signal. The center channel amplifier can be shut down independently of the L/R output for speaker muting in headphone applications. The TPA0103 also features a full shutdown function for power sensitive applications holding the bias current to 5 µA. The PowerPAD package (PWP) delivers a level of thermal performance that was previously achievable only in TO-220-type packages. Thermal impedances of less than 35 °C/W are readily realized in multilayer PCB applications. This allows the TPA0103 to operate at full power at ambient temperature of up to 85 °C. AVAILABLE OPTIONS PACKAGE TA TSSOP† (PWP) –40 °C to 85°C TPA0103PWP † The PWP package is available in left-ended tape and reel only (e.g., TPA0103PWPLE). |
同様の部品番号 - TPA0103PWP |
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同様の説明 - TPA0103PWP |
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