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TAS5721 Datasheet(PDF) 4 Page - Texas Instruments |
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TAS5721 Datasheet(HTML) 4 Page - Texas Instruments |
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4 / 78 page  2 4 19 7 10 11 14 18 21 22 1 3 8 9 12 13 17 20 23 24 6 5 15 16 47 45 30 42 39 38 35 31 28 27 48 46 41 40 37 36 32 29 26 25 43 44 34 33 PowerPAD PGND SPK_OUTA BSTRPA PVDD TEST1 TEST2 DR_INA DR_OUTA DR_OUTB DR_INB DR_VSS DR_CN DR_CP DRVDD PLL_GND PLL_FLTM PLL_FLTP AVDD_REG1 AVDD ADR/FAULT MCLK OSC_RES OSC_GND DVDD_REG SPK_OUTB BSTRPB BSTRPC SPK_OUTC PGND SPK_OUTD BSTRPD PVDD GVDD_REG DR_SD SSTIMER AVDD_REG2 AGND DGND DVDD TEST3 RST NC SCL SDA SDIN SCLK LRCLK PDN 4 TAS5721 SLOS739A – JULY 2012 – REVISED MARCH 2016 www.ti.com Product Folder Links: TAS5721 Submit Documentation Feedback Copyright © 2012–2016, Texas Instruments Incorporated (1) TYPE: A = analog; D = 3.3-V digital; P = power/ground/decoupling; I = input; O = output (2) This terminal should be connected to the system ground (3) This terminal is provided as a connection point for filtering capacitors for this supply and must not be used to power any external circuitry. 6 Pin Configuration and Functions DCA Package 48-Pin HTSSOP Top View Pin Functions PIN TYPE(1) TERMINATION DESCRIPTION NAME NO. ADR/FAULT 20 DI/DO - Dual function terminal which sets the LSB of the I2C address to 0 if pulled to GND, 1 if pulled to DVDD. If configured to be a fault output by the methods described in I²C Address Selection and Fault Output, this terminal is pulled low when an internal fault occurs. A pull-up or pull-down resistor is required, as is shown in the Typical Application Circuit Diagrams. AGND 36 P - Ground reference for analog circuitry(2) AVDD 19 P - Power supply for internal analog circuitry AVDD_REG1 18 P - Voltage regulator derived from AVDD supply(3) AVDD_REG2 37 P - Voltage regulator derived from AVDD supply(3) BSTRPx 3, 42, 46, 47 P - Connection points for the bootstrap capacitors, which are used to create a power supply for the high-side gate drive of the device DGND 35 P - Ground reference for digital circuitry(2) DR_CN 12 P - Negative terminal for capacitor connection used in headphone amplifier and line driver charge pump DR_CP 13 P - Positive terminal for capacitor connection used in headphone amplifier and line driver charge pump DR_INx 7, 10 AI - Input for channel A or B of headphone amplifier or line driver DR_OUTx 8, 9 AO - Output for channel A or B of headphone amplifier or line driver DR_SD 39 DI - Places the headphone amplifier/line driver in shutdown when pulled low. |
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