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TAS2020 Datasheet(PDF) 4 Page - Texas Instruments |
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TAS2020 Datasheet(HTML) 4 Page - Texas Instruments |
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4 / 79 page  Pin Functions PIN Type(1) DESCRIPTION NAME NO. DREG 26 P Digital core voltage regulator output. Bypass to GND with a capacitor. Do not connect to an external load. FSYNC 8 I I2S word clock or TDM frame sync. GREG 17 P High-side gate CP regulator output. Do not connect to an external load. GND 12, 22, 23, 25 P Connect to PCB ground plane. Strong connection to ground plane required through multiple vias. IOVDD 5 P 1.8V or 3.3V Digital IO supply. Decouple to GND with capacitor. IOVDD 1 P 1.8V or 3.3V Digital IO supply. IRQZ 6 O Open drain, active low interrupt pin. Pull up to IOVDD with resistor if optional internal pullup is not used. NC 13 - No connect. Keep floating. OUT_N 19 O Class-D negative output. OUT_P 20 O Class-D positive output. PGND 21 P Class-D Power stage ground. Connect to PCB GND plane strongly through multiple vias. PVDD 18 P Class-D power stage supply. Decouple to GND with capacitor. 15 P Class-D power stage supply. Decouple to GND with capacitor. 14 P Class-D power stage supply. SBCLK 9 I I2S or TDM serial bit clock. SDIN 10 I I2S or TDM serial data input. SDOUT 11 I/O I2S or TDM serial data output. SDZ 7 I Active low hardware shutdown. SEL1 16 I HW Mode: Select 1 Pin. Amplifier gain level selection with volume ramp enable and disable options. I2C Mode: Short to GND for I2C mode selection. SEL2_SCL 4 I HW Mode: Select 2 Pin. I2S, TDM, Left justified selection. I2C Mode: Clock Pin. Pull up to IOVDD with a resistor. SEL3_SDA 3 I/O HW Mode: Select 3 Pin. Data valid rising edge and falling edge selection. I2C Mode: Data Pin. Pull up to IOVDD with a resistor. SEL4_ADR 2 I HW Mode: Select 4 Pin.Y-bridge threshold configuration setting. I2C Mode: I2C address pin. VDD 24 P Connect to 1.8V supply and decouple to GND with capacitor. (1) I = Input, O = Output, I/O = Input or Output, G = Ground, P = Power. TAS2020 SLASFD4A – AUGUST 2024 – REVISED JULY 2026 www.ti.com 4 Submit Document Feedback Copyright © 2026 Texas Instruments Incorporated Product Folder Links: TAS2020 |
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