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Product Detailed Parameters
- Description：IC AMP CLASS D STER 25W 24HTSSOP
- Series：-
- Mfr：Texas Instruments
- Package：Tape & Reel (TR)
- Type：Class D
- Output Type：2-Channel (Stereo)
- Max Output Power x Channels @ Load：25W x 2 @ 4Ohm
- Voltage - Supply：10V ~ 30V
- Features：Depop, Mute, Short-Circuit and Thermal Protection, Shutdown
- Mounting Type：Surface Mount
- Supplier Device Package：24-HTSSOP
- Package / Case：24-PowerTSSOP (0.173", 4.40mm Width)
- Operating Temperature：-40°C ~ 85°C (TA)
- Grade：-
- Qualification：-
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Overview
The TPA3120D2PWPR is a 25-W per channel Class-D audio power amplifier in a 24-pin HTSSOP package. It operates from a single supply voltage ranging from 10 V to 30 V. The device supports stereo single-ended or mono bridge-tied load configurations, driving loads as low as 4 Ω. Key electrical parameters include a quiescent current of 23 mA typical and a shutdown current of 1 mA maximum. Gain is selectable via GAIN0 and GAIN1 pins, offering settings of 20, 26, 32, and 36 dB.
Feature Summary
- Patented start-up and shut-down sequences minimize pop noise without additional circuitry.
- Four selectable fixed-gain settings controlled by digital input pins.
- Internal oscillator eliminates the need for external timing components.
- Integrated thermal and short-circuit protection with automatic recovery.
Applications
- Televisions
- Audio systems
- Home theater
Procurement Notes
Verify the specific ordering suffix 'R' indicates reel packaging when sourcing. Confirm RoHS compliance status through official manufacturer documentation. Ensure the component matches the Texas Instruments datasheet SLOS507E specifications. Validate that the 24-pin HTSSOP package dimensions align with your PCB footprint requirements before finalizing procurement.
Selection Notes
Select this amplifier for applications requiring high efficiency without external heat sinks. Consider the gain configuration options to match source impedance. Evaluate the 10 V to 30 V supply range against system power constraints. Ensure adequate decoupling capacitors are included in the design to maintain performance and stability.
Part Context
This component belongs to the TPA3120 family of stereo Class-D audio amplifiers. It is designed for space-saving surface-mount implementations. The device integrates power management features suitable for portable and fixed audio equipment. It serves as a solution for driving stereo speakers efficiently.
Replacement Considerations
TPA3120D2PWP is a tube-packaged equivalent. TPA3120D2PWPG4 is a lead-free variant. Verify pin compatibility and thermal characteristics when substituting.
FAQ
How is the amplifier gain configured?
Gain is set using the GAIN0 and GAIN1 input pins, providing four fixed settings: 20, 26, 32, and 36 dB.
What protection features are included?
The device includes thermal protection at 150°C and short-circuit protection with automatic recovery.
