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TAS2780 Datasheet(PDF) 3 Page - Texas Instruments |
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TAS2780 Datasheet(HTML) 3 Page - Texas Instruments |
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3 / 96 page  5 Pin Configuration and Functions Figure 5-1. Package 30-Pin HR-QFN Bottom View Table 5-1. Pin Functions PIN I/O DESCRIPTION NAME NO. ADDR 23 I Address detect pin. Resistor value at this pin selects the I2C address. See Section 8.3.1. Minimize capacitive loading on this pin and do not connect to any other load. AVDD 24 P Analog power input. Connect to 1.8V supply and decouple to GND with a capacitor. BST_N 30 P Class-D negative bootstrap. Connect a capacitor between BSTN and OUTN. BST_P 4 P Class-D positive bootstrap. Connect a capacitor between BSTP and OUTP. DREG 10 P Digital core voltage regulator output. Bypass to GND with a capacitor. Do not connect to external load. FSYNC 14 I TDM Frame Sync. GND 7,25 P Analog ground. Connect to PCB ground plane. ICC 6 IO Inter-chip communication pin used to transmit gain alignment. IOVDD 20 P Digital IO Supply. Connect to 1.8V or 3.3V IO supply and decouple with a capacitor to GND. IRQZ 21 O Open drain, active low interrupt pin. Pull up to IOVDD with resistor if optional internal pull up is not used. BYP_EN 11 O Low voltage signaling pin with open drain output. It can be used to enable/disable an external converter. OUTN 29 O Class-D negative output. OUTP 3 O Class-D positive output. PGND 2 P Class-D ground. Connect to PCB ground plane. SBCLK 15 I TDM Serial Bit Clock. SCL 18 I I2C Clock Pin. Pull up to IOVDD with a resistor. SDA 19 IO I2C Data Pin. Pull up to IOVDD with a resistor. SDIN 13 I TDM Serial Data Input. SDOUT 12 IO TDM Serial Data Output. SDZ 22 I Active low hardware shutdown. PVDD 28 P Class-D power supply input. Decouple with a capacitor. PVDD_SNS 26 I PVDD remote sense pin. VBAT1S 27 P Single-cell battery supply input. Decouple with a capacitor. VSNSN 1 I Voltage Sense negative input. Connect to Class-D negative output or after a ferrite bead filter. VSNSP 5 I Voltage Sense positive input. Connect to Class-D positive output or after a ferrite bead filter. www.ti.com TAS2780 SLOSE75 – NOVEMBER 2021 Copyright © 2021 Texas Instruments Incorporated Submit Document Feedback 3 Product Folder Links: TAS2780 |
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