Datenblatt-Suchmaschine für elektronische Bauteile |
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TPA032D02DCA Datenblatt(PDF) 3 Page - Texas Instruments |
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TPA032D02DCA Datenblatt(HTML) 3 Page - Texas Instruments |
3 / 23 page TPA032D02 10-W STEREO CLASS-D AUDIO POWER AMPLIFIER SLOS243A – DECEMBER 1999 – REVISED MARCH 2000 3 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 Terminal Functions TERMINAL DESCRIPTION NAME NO. DESCRIPTION AGND 3, 7, 20, 46, 47 Analog ground for Class-D analog circuitry COSC 48 Connect a capacitor from analog ground to this terminal to set the frequency of the ramp reference signal. CP1 24 First diode node for charge pump CP2 25 First inverter switching node for charge pump FAULT0 42 Logic level fault0 output signal. Lower order bit of the two fault signals with open drain output. FAULT1 41 Logic level fault1 output signal. Higher order bit of the two fault signals with open drain output. LCOMP 6 Compensation capacitor terminal for left-channel Class-D amplifier LINN 4 Class-D left-channel negative input LINP 5 Class-D left-channel positive input LOUTN 14, 15 Class-D amplifier left-channel negative output of H-bridge LOUTP 10, 11 Class-D amplifier left-channel positive output of H-bridge LPVDD 9, 16 Class-D amplifier left-channel power supply MUTE 2 Active-low TTL logic-level mute input signal. When MUTE is held low, the selected amplifier is muted. When MUTE is held > high, the device operates normally. When the Class-D amplifier is muted, the low-side output transistors are turned on, shorting the load to ground. NC 18, 19, 23, 26, 30, 31 No connection PGND 12, 13 Power ground for left-channel H–bridge only PGND 27 Power ground for charge pump only PGND 36, 37 Power ground for right-channel H-bridge only PVDD 21, 28 VDD supply for charge-pump and gate drive circuitry RCOMP 43 Compensation capacitor terminal for right-channel Class-D amplifier RINN 45 Class-D right-channel negative input RINP 44 Class-D right-channel positive input RPVDD 33, 40 Class-D amplifier right-channel power supply ROUTN 34, 35 Class-D amplifier right-channel negative output of H-bridge ROUTP 38, 39 Class-D amplifier right-channel positive output of H-bridge SHUTDOWN 1 Active-low TTL logic-level shutdown input signal. When SHUTDOWN is held low, the device goes into shutdown mode. When SHUTDOWN is held high, the device operates normally. VCC 32 5V supply to logic. This terminal is typically connected to VCCREG. VCCREG 17 5-V regulator output. This terminal requires a 1- µF capacitor to ground for stability reasons. V2P5 29 2.5V internal reference bypass. This terminal requires a capacitor to ground. VCP 22 Connect a capacitor from this terminal to power ground to provide storage for the charge pump output voltage. VDD 8 VDD bias supply for analog circuitry. This terminal needs to be well filtered to prevent degrading the device performance. |
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