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                                                            • TD9721

                                                            • TD9721  Stereo, Differential Input Cap-Free Line Driver

                                                              (DATASHEET)


                                                              The TD9721 is a stereo, differential input, single supply,and cap-free line driver, which is available in SOP-14 and TSSOP-14 packages.
                                                              The TD9721 is ground-reference output, and doesn’t need the output capacitors for DC blocking. The advantages of eliminating the output capacitor are saving the cost, eliminating component height, and improving the low frequency response.
                                                              The external gain setting is recommended using from      1V/V to 10V/V. High PSRR provides increased immunity to noise and RF rectification. TD9721 has shutdown and under-voltage detector function for Depop solution.
                                                              The TD9721 is capable of driving 2.1Vrms at 3.3V into 2.5kload, and provides short-circuit and thermal rotection

                                                              Features

                                                              Operating Voltage: 3V~3.6V

                                                              Differential Input

                                                              Ground Reference Output

                                                              - No Output Capacitor Required (for DC Blocking)

                                                              - Save the PCB Space

                                                              - Reduce the BOM Costs

                                                              - Improve the Low Frequency Response

                                                              Low Noise and THD+N

                                                              - SNR > 108dB

                                                              - Noise < 8uVrms

                                                              - THD+N < 0.02% at 20Hz~20kHz

                                                              Output Voltage Swing Can Reach 2.1Vrms/Chinto2.5 kΩat

                                                              VDD=3.3V

                                                              High PSRR: 80dB at 217Hz

                                                              Fast Start-up Time: 500us

                                                              Integrate the De-Pop Circuitry

                                                              Thermal and Short-Circuit Protection

                                                              Surface-Mount Packaging

                                                              - SOP-14

                                                              - TSSOP-14

                                                              Lead Free and Green Devices Available(RoHS Compliant)

                                                              Applications

                                                              Set-Top Boxes
                                                              CD/DVD Players
                                                              LCD TVs
                                                              HTIBs (Home Theater in Box)

                                                             
                                                            湖北十一选五任三复式中奖表

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