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TAS2770RJQT Datasheet(PDF) 4 Page - Texas Instruments |
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TAS2770RJQT Datasheet(HTML) 4 Page - Texas Instruments |
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4 / 100 page  Table 5-1. Pin Functions PIN I/O DESCRIPTION DSBGA QFN NAME D5 24 AREG O Gate drive voltage regulator output. Decouple with cap to GND. Do not connect to external load. C1 9 AVDD P Analog power input. Connect to 1.8V supply and decouple to GND with cap. A2 1 BST_N I Class-D negative bootstrap. Connect a cap between BST_N and OUT_N. B2 4 BST_P I Class-D positive bootstrap. Connect a cap between BST_P and OUT_P. D1 7 DREG O Digital core voltage regulator output. Bypass to GND with a cap. Do not connect to external load. E2 14 FSYNC I TDM Frame Sync. C2, E3, E4 10, 15, 16 GND P Analog GND. Connect to PCB GND Plane. D2 8 IOVDD P Digital IO Supply. Connect to the same 1.8 V supply that powers AVDD and decouple with a cap to GND. D4 20 IRQZ O Open drain, actve low interrupt pin. Pull up to IOVDD with resistor if optional internal pull up is not used. D3 19 MODE I Mode detect pin. This pin can detect a short to IOVDD or GND, a 470 Ω connection to IOVDD or GND, a 2.2 kΩ connection to IOVDD or GND, a 10 kΩ connection to IOVDD or GND and a 47 kΩ connection to IOVDD. Minimize capacitive loading on this pin and do not connect to any other load. A5, B5 26 OUT_N O Class-D negative output. A3, B3 3 OUT_P O Class-D positive output. F5 17 PDMCK IO PDM Clock. E5 18 PDMD I PDM Digital Input. A4, B4 2 PGND P Class-D GND. Connect to PCB GND Plane. F1 13 SBCLK I TDM Serial Bit Clock in TDM/I2C Mode. F4 23 SCL I I2C Clock Pin. Pull up to IOVDD with a resistor. F3 22 SDA IO I2C Data Pin. Pull up to IOVDD with a resistor. F2 11 SDIN I TDM Serial Data Input. E1 12 SDOUT IO TDM Serial Data Output in TDM/I2C Mode. C3 21 SDZ I Active low hardware shutdown. C4, C5 25 VBAT P Class-D power supply input. Connect to VBAT supply and decouple with a cap. B1 6 VSNS_N I Voltage Sense negative input. Connect to Class-D negative output after Ferrite bead filter. A1 5 VSNS_P I Voltage Sense positive input. Connect to Class-D positive output after Ferrite bead filter. TAS2770 SLASEM6D – OCTOBER 2017 – REVISED AUGUST 2022 www.ti.com 4 Submit Document Feedback Copyright © 2022 Texas Instruments Incorporated Product Folder Links: TAS2770 |
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