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TPA032D04DCARG4 データシート(PDF) 3 Page - Texas Instruments |
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TPA032D04DCARG4 データシート(HTML) 3 Page - Texas Instruments |
3 / 28 page TPA032D04 10-W STEREO CLASS-D AUDIO POWER AMPLIFIER SLOS203B − DECEMBER 1999 − REVISED JUNE 2000 3 TI.COM Terminal Functions TERMINAL DESCRIPTION NAME NO. DESCRIPTION AGND 7, 20, 46, 47 Analog ground for headphone and Class-D analog sections 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. HPDL 23 Depop control for left headphone HPDR 26 Depop control for right headphone HPLIN 19 Headphone amplifier left input HPLOUT 18 Headphone amplifier left output HPREG 17 5-V regulator output. This terminal requires a 1-µF capacitor to ground for stability reasons. HPRIN 30 Headphone amplifier right input HPROUT 31 Headphone amplifier right output HPVCC 32 5V supply to headphone amplifier and logic. This terminal is typically connected to HPREG. 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 MODE 3 TTL logic-level mode input signal. When MODE is held low, the main Class-D amplifier is active. When MODE is held > high, the head phone amplifier is active. 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. 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, headphone regulator, 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. 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. |
同様の部品番号 - TPA032D04DCARG4 |
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同様の説明 - TPA032D04DCARG4 |
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