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TPA3126D2 Datasheet(PDF) 4 Page - Texas Instruments |
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TPA3126D2 Datasheet(HTML) 4 Page - Texas Instruments |
4 / 38 page ![]() 1 MODSEL 32 PVCC 2 SDZ 31 PVCC 3 FAULTZ 30 BSPR 4 RINP 29 OUTPR 5 RINN 28 GND 6 PLIMIT 27 OUTNR 7 GVDD 26 BSNR 8 GAIN/SLV 25 GND 9 GND 24 BSPL 10 LINP 23 OUTPL 11 LINN 22 GND 12 MUTE 21 OUTNL 13 AM2 20 BSNL 14 AM1 19 PVCC 15 AM0 18 PVCC 16 SYNC 17 AVCC Not to scale Thermal Pad 4 TPA3126D2 SLOS942 – APRIL 2018 www.ti.com Product Folder Links: TPA3126D2 Submit Documentation Feedback Copyright © 2018, Texas Instruments Incorporated 6 Pin Configuration and Functions DAD Package 32-Pin HTSSOP With PowerPAD™ Up Top View (1) DO = Digital Output, I = Analog Input, G = General Ground, PO = Power Output, BST = Boot Strap. Pin Functions PIN TYPE(1) DESCRIPTION NO. NAME 1 MODSEL I Mode selection logic input (LOW = Hybrid Mode, HIGH = BD Mode). TTL logic levels with compliance to AVCC. Refer to: Device Modulation Scheme 2 SDZ I Shutdown logic input for audio amp (LOW = outputs Hi-Z, HIGH = outputs enabled). TTL logic levels with compliance to AVCC. Refer to: Startup and Shutdown Operation 3 FAULTZ DO General fault reporting including Over-temp, DC Detect. Open drain. Refer to: Device Protection System FAULTZ = High, normal operation FAULTZ = Low (an external 100 kΩ pull-up resistor required), fault condition 4 RINP I Positive audio input for right channel. Connect to GND for MONO mode. 5 RINN I Negative audio input for right channel. Connect to GND for MONO mode. 6 PLIMIT I Power limit level adjust. Connect a resistor divider from GVDD to GND to set power limit. Connect directly to GVDD for no power limit. Refer to: PLIMIT Operation 7 GVDD PO Internally generated gate voltage supply. Not to be used as a supply or connected to any component other than a 1 µF X7R ceramic decoupling capacitor and the PLIMIT and GAIN/SLV resistor dividers. Refer to: GVDD Supply 8 GAIN/SLV I Selects Gain and selects between Master and Slave mode depending on pin voltage divider. Refer to: Gain Setting and Master and Slave 9 GND G Ground |
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