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TAS5721 Datasheet(PDF) 5 Page - Texas Instruments |
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TAS5721 Datasheet(HTML) 5 Page - Texas Instruments |
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5 / 78 page  5 TAS5721 www.ti.com SLOS739A – JULY 2012 – REVISED MARCH 2016 Product Folder Links: TAS5721 Submit Documentation Feedback Copyright © 2012–2016, Texas Instruments Incorporated Pin Functions (continued) PIN TYPE(1) TERMINATION DESCRIPTION NAME NO. DR_VSS 11 P - Negative supply generated by charge pump for ground centered headphone and line driver output DRVDD 14 P - Power supply for internal headphone and line driver circuitry DVDD 34 P - Power supply for the internal digital circuitry DVDD_REG 24 P - Voltage regulator derived from DVDD supply(3) GVDD_REG 40 P - Voltage regulator derived from PVDD supply(3) LRCLK 26 DI Pulldown Word select clock for the digital signal that is active on the input data line of the serial port MCLK 21 DI Pulldown Master clock used for internal clock tree and sub-circuit and state machine clocking NC 31 - - Not connected inside the device (all no connect terminals should be connected to ground) OSC_GND 23 P - Ground reference for oscillator circuitry (this terminal should be connected to the system ground) OSC_RES 22 AO - Connection point for oscillator trim resistor PDN 25 DI Pullup Quick powerdown of the device that is used upon an unexpected loss of PVDD or DVDD power supply in order to quickly transition the outputs of the speaker amplifier to a 50/50 duty cycle. This quick powerdown feature avoids the audible anamolies that would occur as a result of loss of either of the supplies. If this pin is used to place the device into quick powerdown mode, the RST pin of the device must be toggled before the device is brought out of quick powerdown. PGND 1 P - Ground reference for power device circuitry(2) PLL_FLTM 16 AI/AO - Negative connection point for the PLL loop filter components PLL_FLTP 17 AI/AO - Positive connection point for the PLL loop filter components PLL_GND 15 P - Ground reference for PLL circuitry (this terminal should be connected to the system ground) PowerPAD - P - Thermal and ground pad thatprovides both an electrical connection to the ground plane and a thermal path to the PCB for heat dissipation. This pad must be grounded to the system ground. PVDD 4, 41 P - Power supply for internal power circuitry RST 32 DI Pullup Places the device in reset when pulled low SCL 30 DI - I2C serial control port clock SCLK 27 DI Pulldown Bit clock for the digital signal that is active on the input data line of the serial data port SDA 29 DI/DO - I2C serial control port data SDIN 28 DI Pulldown Data line to the serial data port SPK_OUTx 2, 43, 45, 48 AO - Speaker amplifier outputs SSTIMER 38 AI - Connection point for the capacitor that is used by the ramp timing circuit, as described in Output Mode and MUX Selection TEST1 5 DO - Used by TI for testing during device production (this terminal must be left floating) TEST2 6 DO - Used by TI for testing during device production (this terminal must be left floating) TEST3 33 DI - Used by TI for testing during device production (this terminal must be connected to GND) |
Similar Part No. - TAS5721_16 |
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Similar Description - TAS5721_16 |
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