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TPA751-TPA751D-TPA751DGN-TPA751DGNR-TPA751DR Fast Delivery,Good Price
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TPA751-TPA751D-TPA751DGN-TPA751DGNR-TPA751DR
700-mW Low-Voltage Audio Power Amp With Differential Inputs And Active Low Shutdown
− 81 dB at VDD = 3.3 V Output Power for RL = 8 Ω
− 700 mW at VDD = 5 V
− 250 mW at VDD = 3.3 V
Ultralow Supply Current in Shutdown
Mode... 1.5 nA
Thermal and Short-Circuit Protection Surface-Mount Packaging
− SOIC
− PowerPAD MSOP
− MicroStar Junior (BGA)


description

The TPA751 is a bridge-tied load (BTL) audio power amplifier developed especially for low-voltage applications
where internal speakers are required. Operating with a 3.3-V supply, the TPA751 can deliver 250-mW of
continuous power into a BTL 8-Ω load at less than 0.6% THD+N throughout voice band frequencies. Although
this device is characterized out to 20 kHz, its operation is optimized for narrower band applications such as
wireless communications. The BTL configuration eliminates the need for external coupling capacitors on the
output in most applications, which is particularly important for small battery-powered equipment. This device
features a shutdown mode for power-sensitive applications with a supply current of 1.5 nA during shutdown.
The TPA751 is available in a 3.0 × 3.0 mm MicroStar Junior (BGA), 8-pin SOIC surface-mount package and
a surface-mount PowerPAD MSOP.
Audio
Input
VDD
From System Control

IN−O+
(SIDE VIEW)
MicroStar Junior� (GQS) Package
(TOP VIEW)

SHUTDOWN VO−
BYPASS
IN+
IN−
GND
VDD
VO+
NOTE: The shaded terminals are used for thermal
connections to the ground plane.
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