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TPA0243DGQ Scheda tecnica(PDF) 3 Page - Texas Instruments |
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TPA0243DGQ Scheda tecnica(HTML) 3 Page - Texas Instruments |
3 / 6 page TPA0243 2-W MONO AUDIO POWER AMPLIFIER WITH HEADPHONE DRIVE SLOS279A – JANUARY 2000 – REVISED MARCH 2000 3 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 Terminal Functions TERMINAL I/O DESCRIPTION NAME NO. I/O DESCRIPTION MONO-IN 1 I Mono input terminal SHUTDOWN 2 I SHUTDOWN places the entire device in shutdown mode when held low. TTL compatible input. VDD 3 I VDD is the supply voltage terminal. BYPASS 4 I BYPASS is the tap to the voltage divider for internal mid-supply bias. This terminal should be connected to a 0.1- µF to 1-µF capacitor. RIN 5 I Right-channel input terminal RO/MO 6 O Right-output in SE mode and mono positive output in BTL mode SR/MN 7 I Selects between Stereo and Mono mode. When held high, the amplifier is in SE stereo mode, while held low, the amplifier is in BTL mono mode. GND 8 Ground terminal LIN 9 I Left-channel input terminal LO/MO 10 O Left-output in SE mode and mono negative output in BTL mode. absolute maximum ratings over operating free-air temperature range (unless otherwise noted)§ Supply voltage, VDD 6 V . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Input voltage, VI –0.3 V to VDD +0.3 V . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Continuous total power dissipation internally limited (see Dissipation Rating Table) . . . . . . . . . . . . . . . . . . . . . Operating free-air temperature range, TA (see Table 3) – 40 °C to 85°C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Operating junction temperature range, TJ –40 °C to 150°C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Storage temperature range, Tstg –65 °C to 150°C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Lead temperature 1,6 mm (1/16 inch) from case for 10 seconds 260 °C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . § Stresses beyond those listed under “absolute maximum ratings” may cause permanent damage to the device. These are stress ratings only, and functional operation of the device at these or any other conditions beyond those indicated under “recommended operating conditions” is not implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability. DISSIPATION RATING TABLE PACKAGE TA ≤ 25°C DERATING FACTOR TA = 70°C TA = 85°C DGQ 2.14 W¶ 17.1 mW/ °C 1.37 W 1.11 W ¶ Please see the Texas Instruments document, PowerPAD Thermally Enhanced Package Application Report (literature number SLMA002), for more information on the PowerPAD package. The thermal data was measured on a PCB layout based on the information in the section entitled Texas Instruments Recommended Board for PowerPAD on page 33 of the before mentioned document. recommended operating conditions MIN MAX UNIT Supply voltage, VDD 2.5 5.5 V ST/MN VDD = 3 V 2.7 High-level input voltage, VIH ST/MN VDD = 5 V 4.5 V SHUTDOWN 2 ST/MN VDD = 3 V 1.65 Low-level input voltage, VIL ST/MN VDD = 5 V 2.75 V SHUTDOWN 0.8 Operating free-air temperature, TA –40 85 °C |
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