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See Technical Specifications

TPA751DGN

700-mW, mono, analog input, Class-AB audio amplifier in BGA packaging

Manufacturer:

Texas Instruments, Inc
Mfr.Part #:

TPA751DGN
Datasheet:

TPA751DGN Datasheet (PDF)
Type:

Class AB
Output Type:

1-Channel (Mono)
Max Output Power x Channels @ Load:

700mW x 1 @ 8Ohm
Voltage - Supply:

2.5V ~ 5.5V
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TPA751DGN General 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- 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.

Key Features

Fully Specified for 3.3-V and 5-V Operation
Wide Power Supply Compatibility 2.5 V – 5.5 V
Power Supply Rejection at 217 Hz
- 84 dB at V_DD = 5 V
- 81 dB at V_DD = 3.3 V
Output Power for R_L = 8
- 700 mW at V_DD = 5 V
- 250 mW at V_DD = 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)

PowerPAD and MicroStar Junior are trademarks of Texas Instruments.

Specifications

Category	Integrated Circuits (ICs)LinearAmplifiersAudio Amplifiers	Series	-
Type	Class AB	Output Type	1-Channel (Mono)
Max Output Power x Channels @ Load	700mW x 1 @ 8Ohm	Voltage - Supply	2.5V ~ 5.5V
Features	Differential Inputs, Short-Circuit and Thermal Protection, Shutdown	Mounting Type	Surface Mount
Operating Temperature	-40°C ~ 85°C (TA)	Base Product Number	TPA751