Features: `Ideal for Wireless Communicators,Notebook PCs, PDAs, and Other Small Portable Audio Devices`2 W Into 4- From 5-V Supply`0.6 W Into 4- From 3-V Supply`Wide Power Supply Compatibility 3 V to 5 V`Low Supply Current 4 mA Typical at 5 V 4 mA Typical at 3 V`Shutdown Control . . . 1 A Typica...
TPA0211: Features: `Ideal for Wireless Communicators,Notebook PCs, PDAs, and Other Small Portable Audio Devices`2 W Into 4- From 5-V Supply`0.6 W Into 4- From 3-V Supply`Wide Power Supply Compatibility 3 V t...
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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
The TPA0211 is a 2-W mono bridge-tied-load (BTL) amplifier designed to drive speakers with as low as 4- impedance. The device is ideal for use in small wireless communicators, notebook PCs, PDAs, anyplace a mono speaker and stereo head phones are required. From a 5-V supply, the TPA0211 can delivery 2-W of power into a 4- speaker.
The gain of the input stage of TPA0211 is set by the user-selected input resistor and a 50-k internal feedback resistor (AV = RF/ RI). The power stage is internally configured with a gain of 1.25 V/V in SE mode, and 2.5 V/V in BTL mode. Thus, the overall gain of the amplifier is 62.5 k/ RI in SE mode and 125 kW/ RI in BTL mode. The input terminals are high-impedance CMOS inputs, and can be used as summing nodes.
The TPA0211 is available in the 8-pin thermally-enhanced MSOP package (DGN) and operates over an ambient temperature range of 40°C to 85°C.