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TPA0122 Folha de dados(PDF) 3 Page - Texas Instruments |
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TPA0122 Folha de dados(HTML) 3 Page - Texas Instruments |
3 / 37 page www.ti.com ABSOLUTE MAXIMUM RATINGS TPA0122 SLOS247C – JUNE 1999 – REVISED SEPTEMBER 2004 AVAILABLE OPTIONS PACKAGED DEVICE TA TSSOP(1) (PWP) –40 °C to 85°C TPA0122PWP (1) The PWP package is available tapedand reeled. To order a taped and reeled part, add the suffix R to the partnumber (e.g., TPA0122PWPR). TERMINAL FUNCTIONS TERMINAL I/O DESCRIPTION NAME NO. BYPASS 11 Tap to voltage divider for internal mid-supply bias generator GAIN0 2 I Bit 0 of gain control GAIN1 3 I Bit 1 of gain control 1, 12, GND Ground connection for circuitry. Connected to the thermal pad 13, 24 LHPIN 6 I Left-channel headphone input, selected when SE/BTL is held high LIN 10 I Common left input for fully differential input. AC ground for single-ended inputs LLINEIN 5 I Left-channel line input, selected when SE/BTL is held low LOUT+ 4 O Left-channel positive output in BTL mode and positive output in SE mode LOUT- 9 O Left-channel negative output in BTL mode and high-impedance in SE mode The input for PC-Beep mode. PC-BEEP is enabled when a > 1.5-V (peak-to-peak) square wave is input to PC-BEEP 14 I PC-BEEP or PCB ENABLE is high. If this terminal is high, the detection circuitry for PC-BEEP is overridden and passes PC-BEEP through the PCB ENABLE 17 I amplifier, regardless of its amplitude. If PCB ENABLE is floating or low, the amplifier continues to operate normally. PVDD 7, 18 I Power supply for output stage RHPIN 20 I Right-channel headphone input, selected when SE/BTL is held high RIN 8 I Common right input for fully differential input. AC ground for single-ended inputs RLINEIN 23 I Right-channel line input, selected when SE/BTL is held low ROUT+ 21 O Right-channel positive output in BTL mode and positive output in SE mode ROUT- 16 O Right-channel negative output in BTL mode and high-impedance in SE mode SHUTDOWN 22 I Places entire IC in shutdown mode when held low, except PC-BEEP remains active Input MUX control input. When this terminal is held high, the LHPIN or RHPIN and SE output is selected. SE/BTL 15 I When this terminal is held low, the LLINEIN or RLINEIN and BTL output are selected. VDD 19 I Analog VDD input supply. This terminal needs to be isolated from PVDD to achieve highest performance. Thermal Pad Connect to ground. Must be soldered down in all applications to properly secure the device on PC board. over operating free-air temperature range (unless otherwise noted) (1) VDD Supply voltage 6 V VI Input voltage –0.3 V to VDD +0.3 V Continuous total power dissipation Internally limited (see Dissipation Rating Table) TA Operating free-air temperature range –40 °C to 85°C TJ Operating junction temperature range –40 °C to 150°C Tstg Storage temperature range –65 °C to 85°C Lead temperature 1,6 mm (1/16 inch) from case for 10 seconds 260 °C (1) 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. 3 |
Nº de peça semelhante - TPA0122_16 |
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Descrição semelhante - TPA0122_16 |
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