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TAS2764YBHT Datasheet(PDF) 16 Page - Texas Instruments |
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TAS2764YBHT Datasheet(HTML) 16 Page - Texas Instruments |
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16 / 107 page  8 Detailed Description 8.1 Overview The TAS2764 is a mono digital input Class-D amplifier optimized for portable applications where efficient battery operation and small solution size are crucial. It integrates speaker voltage and current sensing and battery tracking limiting with brown out prevention. The device operates using a TDM/I2S and I2C interfaces. Table 8-1. Full Scales Input/Output Signal Full Scale Value Class-D Output 21 dBV Voltage Monitor 16 V Current Sense 3.75 A Voltage Sense 14 Vpk 8.2 Functional Block Diagram B Class-D Loop Filter Comparator 16V LDMOS Output stage REFERENCE DAC 10b SAR ADC PLL OSC PVDD AVDD DREG IOVDD SDZ I2C I2S OUT_P OUT_N VSNS_N VSNS_P Temp Sensor Thermal Protection POR 1.5V LDO Brownout + Voltage Limiter BST_P BST_N 5V LDO û- ADC I-SENSE V-Sense Amp + PGA POWER MANAGEMENT 0.9V Reference + Bias Currents COMMON IP INTERFACE ESD OTP ADDR DETECT DIGITAL IO Analog Controller Serial Interfaces DIGITAL û- ADC PGND POR BOP VBAT1S Tracker ADDR POR VBAT1S PVDD_SNS BOP PVDD Tracker (PVDD_SNS) Noise Gate + Diagnostic Generator Audio Engine + Filters GND BYP_EN 8.3 Feature Description 8.3.1 Device Address Selection The TAS2764 operates using a TDM/I2S interface. Audio input and output are provided via the FSYNC, SBCLK, SDIN and SDOUT pins using formats including I2S, Left Justified and TDM. Configuration and status are provided via the SDA and SCL pins using the I2C protocol. Table 8-2 below illustrates how to configure the device for I2C address . The slave addresses are shown left shifted by one bit with the R/W bit set to 0 (i.e. {ADDR[6:0],1b0}). Resistors with tolerance better than 5% must be used for setting the address configuration. TAS2764 SLOS998 – DECEMBER 2020 www.ti.com 16 Submit Document Feedback Copyright © 2020 Texas Instruments Incorporated Product Folder Links: TAS2764 |
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