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Product Detailed Parameters
- Description：IC AMP CLASS AB MONO 700MW 8MSOP
- Series：-
- Mfr：Texas Instruments
- Package：Bulk,Tube
- 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：Depop, Short-Circuit and Thermal Protection, Shutdown
- Mounting Type：Surface Mount
- Supplier Device Package：8-HVSSOP
- Package / Case：8-TSSOP, 8-MSOP (0.118", 3.00mm Width) Exposed Pad
- Operating Temperature：-40°C ~ 85°C (TA)
- Grade：-
- Qualification：-
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Overview
The TPA721DGN is a mono, low-voltage audio power amplifier manufactured by Texas Instruments. It delivers 700 mW of output power and operates within a supply voltage range of 2.5 V to 5.5 V. The device utilizes Class-AB topology for analog input signals. It is housed in an 8-pin HVSSOP package with an exposed pad (EP) for thermal management. The component supports surface mount mounting types and functions across an operating temperature range of -40°C to 85°C.
Feature Summary
- Integrated depopulation circuitry to minimize speaker pop noise during power transitions
- Built-in short-circuit and thermal protection mechanisms to ensure operational reliability
- Dedicated shutdown pin for effective power management and current reduction
Applications
- Portable audio devices requiring low-voltage operation
- Mono audio systems in consumer electronics
- Battery-powered multimedia applications
Procurement Notes
Verify the complete part number including the DGN suffix to confirm the 8-pin HVSSOP package configuration. Ensure compatibility with the required supply voltage range of 2.5 V to 5.5 V for your specific design. Confirm that the thermal requirements align with the exposed pad design for adequate heat dissipation. Check for any specific ordering or packaging variations if applicable.
Selection Notes
Select this component for designs prioritizing low voltage efficiency and integrated protection features. The Class-AB architecture offers a balance between power output and distortion levels suitable for mono applications. Consider the thermal performance provided by the HVSSOP package when designing the PCB layout. Verify that the input signal characteristics match the amplifier's analog input specifications.
Part Context
This component belongs to Texas Instruments' portfolio of low-voltage audio amplifiers. It is designed for portable applications where power efficiency and compact size are critical. The TPA721 series typically includes variants with different package options or slight functional differences, but the DGN variant specifically denotes the HVSSOP package type.
Replacement Considerations
Consult official Texas Instruments documentation for direct cross-references. Verify pinout compatibility and electrical specifications before substituting with other mono audio amplifiers from different manufacturers.
