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TPA3122D2 Fiches technique(PDF) 2 Page - Texas Instruments |
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TPA3122D2 Fiches technique(HTML) 2 Page - Texas Instruments |
2 / 20 page www.ti.com 1 2 3 4 5 6 7 8 9 10 20 19 18 17 16 15 14 13 12 11 PVCCL SD MUTE LIN RIN BYPASS AGND AGND PVCCR VCLAMP PGNDL LOUT BSL AVCC AVCC GAIN0 GAIN1 BSR ROUT PGNDR TPA3122D2 SLOS527A – DECEMBER 2007 – REVISED DECEMBER 2007 These devices have limited built-in ESD protection. The leads should be shorted together or the device placed in conductive foam during storage or handling to prevent electrostatic damage to the MOS gates. N (DIP) PACKAGE (TOP VIEW) TERMINAL FUNCTIONS TERMINAL I/O DESCRIPTION 20-PIN NAME (DIP) Shutdown signal for IC (low = disabled, high = operational). TTL logic levels with compliance to SD 2 I AVCC. RIN 5 I Audio input for right channel. LIN 4 I Audio input for left channel. GAIN0 15 I Gain select least significant bit. TTL logic levels with compliance to AVCC. GAIN1 14 I Gain select most significant bit. TTL logic levels with compliance to AVCC. Mute signal for quick disable/enable of outputs (high = outputs switch at 50% duty cycle; low = MUTE 3 I outputs enabled). TTL logic levels with compliance to AVCC. BSL 18 I/O Bootstrap I/O for left channel. PVCCL 1 Power supply for left channel H-bridge, not internally connected to PVCCR or AVCC. LOUT 19 O Class-D -H-bridge positive output for left channel. PGNDL 20 Power ground for left channel H-bridge. VCLAMP 9 Internally generated voltage supply for bootstrap capacitors. BSR 13 I/O Bootstrap I/O for right channel. ROUT 12 O Class-D -H-bridge negative output for right channel. PGNDR 11 Power ground for right channel H-bridge. PVCCR 10 Power supply for right channel H-bridge, not connected to PVCCL or AVCC. AGND 8 Analog ground for digital/analog cells in core. AGND 7 Analog Ground for analog cells in core. Reference for pre-amplifier inputs. Nominally equal to AVCC/8. Also controls start-up time via BYPASS 6 O external capacitor sizing. AVCC 16, 17 High-voltage analog power supply. Not internally connected to PVCCR or PVCCL 2 Submit Documentation Feedback Copyright © 2007, Texas Instruments Incorporated Product Folder Link(s) :TPA3122D2 |
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