Date: 27/06/2012

Analog input, class-D audio amplifiers from TI for soundbars and LCD TVs

Texas Instruments Incorporated (TI) has introduced three analog-input class-D stereo amplifiers for use in soundbars, after-market automotive solutions, portable audio docks, and LCD televisions. The TPA3116D2, TPA3118D2 and TPA3130D2 feature the high programmable switching rate and wide power supply range that enables quality audio output. The devices can support single-layer PCB (printed circuit board).

Features of the TPA3116D2, TPA3118D2 and TPA3130D2:
1. Supply range: 4.5 V to 26 V (enables simultaneous operation of line and battery powers)
2. FETs allow 30-W x 2 operation without the need for a heat sink, or 50-W x 2 with a heat sink (TPA3116D2 only)
3. Programmable switching rates: 400 KHz to 1.2 MHz
4. Closed-loop design
5. RDS(on): 120 milli-ohms at 30-W x 2

The TPA3116D2, TPA3118D2 and TPA3130D2 are available now in a 10 x 6 mm 32-lead HTSSOP package, priced at $1.80 for the TPA3116D2, $1.65 for the TPA3118D2, and $1.30 for the TPA3130D2, each in quantities of 1,000.

Evaluation modules are priced at $149 each. SPICE mMIodel are available for the TPA3116D2, TPA3118D2 and TPA3130D2.