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TPA0233 Arkusz danych(PDF) 3 Page - Texas Instruments |
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TPA0233 Arkusz danych(HTML) 3 Page - Texas Instruments |
3 / 25 page TPA0233 2-W MONO AUDIO POWER AMPLIFIER WITH HEADPHONE DRIVE SLOS278D – JANUARY 2000 – REVISED NOVEMBER 2002 3 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 Terminal Functions TERMINAL I/O DESCRIPTION NAME NO. I/O DESCRIPTION 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. FILT_CAP 1 I Terminal is used to filter supply. 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. RIN 5 I Right-channel input terminal RO/MO+ 6 O Right-output in SE mode and mono positive output in BTL mode SHUTDOWN 2 I SHUTDOWN places the entire device in shutdown mode when held low. TTL compatible input. ST/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. VDD 3 I VDD is the supply voltage terminal. absolute maximum ratings over operating free-air temperature range (unless otherwise noted)† Supply voltage, VDD 6 V . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Input voltage range, 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 ‡ See the Texas Instruments document, PowerPAD Thermally Enhanced Package Application Report (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 that 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 High level in ut voltage, VIH SHUTDOWN 2 V ST/MN VDD = 3 V 1.65 Low-level input voltage, VIL ST/MN VDD = 5 V 2.75 V Low level in ut voltage, VIL SHUTDOWN 0.8 V Operating free-air temperature, TA –40 85 °C PowerPAD is a trademark of Texas Instruments. |
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