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TPA032D03 数据表(PDF) 4 Page - Texas Instruments |
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TPA032D03 数据表(HTML) 4 Page - Texas Instruments |
4 / 27 page TPA032D03 10W MONO CLASSD AUDIO POWER AMPLIFIER SLOS283B − DECEMBER 1999 − REVISED JUNE 2000 4 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 Class-D amplifier faults Table 1. Class-D Amplifier Fault Table FAULT 0 FAULT 1 DESCRIPTION 1 1 No fault. The device is operating normally. 0 1 Charge pump under-voltage lock-out (VCP-UV) fault. All low-side transistors are turned on, shorting the load to ground. Once the charge pump voltage is restored, normal operation resumes, but FAULT1 is still active. This is not a latched fault, however. FAULT1 is cleared by cycling MUTE, SHUTDOWN, or the power supply. 0 0 Thermal fault. All the low-side transistors are turned on, shorting the load to ground. Once the junction temperature drops 20 °C, normal operation resumes (not a latched fault). But the FAULTx terminals are still set and are cleared by cycling MUTE, SHUTDOWN, or the power supply. headphone amplifier faults The thermal fault remains active when the device is in head phone mode. This fault operation has exactly the same as it does for the Class-D amplifier (see Table 1). If HPVCC drops below approximately 4.5 V, the head phone is disabled. Once HPVCC exceeds approximately 4.5 V, the head phone amplifier is re-enabled. No fault is reported to the user. AVAILABLE OPTIONS PACKAGED DEVICES TA TSSOP† (DCA) −40 °C to 125°C TPA032D03DCA † The DCA package is available in left-ended tape and reel. To order a taped and reeled part, add the suffix R to the part number (e.g., TPA032D03DCAR). |
类似零件编号 - TPA032D03 |
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类似说明 - TPA032D03 |
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