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Product Detailed Parameters
- Description：IC AMP CLASS D MONO 850MW 9VCSP
- Series：-
- Mfr：Rohm Semiconductor
- Package：Tape & Reel (TR),Cut Tape (CT)
- Type：Class D
- Output Type：1-Channel (Mono)
- Max Output Power x Channels @ Load：850mW x 1 @ 8Ohm
- Voltage - Supply：2.5V ~ 5.5V
- Features：Depop, Differential Inputs, Short-Circuit and Thermal Protection, Standby
- Mounting Type：Surface Mount
- Supplier Device Package：9-VCSP50L1 (1.6x1.6)
- Package / Case：9-UFBGA, CSPBGA
- Operating Temperature：-40°C ~ 85°C (TA)
- Grade：-
- Qualification：-
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Overview
The BD5461GUL-E2 is a monaural Class-D audio amplifier manufactured by ROHM Semiconductor. It delivers an output power of 850 mW with a total harmonic distortion plus noise (THD+N) of 0.2%. The device operates on a supply voltage range of 2.5 V to 5.5 V and draws a typical operating supply current of 2 mA. It features a fixed gain of 13 dB and accepts analog input signals. The component is housed in a compact 9-VCSP50L1 package with dimensions of 1.6x1.6 mm, suitable for surface mount installation. It supports a shutdown function and functions within a temperature range of -40°C to +85°C.
Feature Summary
- Monaural Class-D architecture for efficient audio amplification
- Compact 9-VCSP50L1 footprint for space-constrained designs
- Integrated shutdown control for power management
- Low operating supply current for battery-powered applications
Applications
- Portable audio devices
- Smart home speakers
- IoT audio modules
Procurement Notes
Verify the specific suffix E2 against the manufacturer's latest datasheet to confirm compliance with current environmental standards and pinout configurations. Ensure the ordering quantity aligns with the manufacturer's standard packaging requirements. Cross-reference the part number with authorized distributors to confirm availability and authenticity before finalizing procurement plans.
Selection Notes
Select this component when a single-channel high-efficiency amplifier is required in a minimal footprint. The 850 mW output capability suits small speakers or buzzers. Compare the 2 mA quiescent current against system power budgets. Verify that the 1.6x1.6 mm WLCSP package fits the PCB layout constraints and thermal requirements of the target application.
Part Context
This part belongs to the BD54 series of analog input monaural Class-D speaker amplifiers from ROHM. It shares architectural similarities with models like the BD5465GUL-E2 and BD5467GUL-E2 but differs in output power ratings and package dimensions. The series targets portable electronics requiring high efficiency and small form factors.
Replacement Considerations
Check ROHM documentation for direct pin-to-pin replacements within the BD54 series. Verify if higher power variants like BD5465GUL-E2 fit mechanically without redesign.
