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Product Detailed Parameters
- Description：IC AMP CLASS A MONO 5USMD
- Series：-
- Mfr：Microchip Technology
- Package：Tape & Reel (TR),Cut Tape (CT)
- Type：Class A
- Output Type：1-Channel (Mono)
- Max Output Power x Channels @ Load：-
- Voltage - Supply：1.6V ~ 5.5V
- Features：-
- Mounting Type：Surface Mount
- Supplier Device Package：5-µSMD (0.93x0.58)
- Package / Case：5-XFBGA
- Operating Temperature：-40°C ~ 85°C (TA)
- Grade：-
- Qualification：-
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Overview
The AAP661BS-M5A-GLF-TR is an electret microphone pre-amplifier manufactured by Microchip Technology. It features a fixed gain of 19dB and includes a programmable filter for signal conditioning. The device operates on a supply voltage range of 1.6V to 5.5V and utilizes a Class A output configuration. It is designed as a single-channel (mono) amplifier suitable for surface-mount applications. The component is housed in a compact 5-WLCSP package with dimensions of 0.95x0.60x0.345mm, ensuring low profile integration.
Feature Summary
- Integrated electret microphone pre-amplification with fixed 19dB gain
- Includes programmable filter for customizable frequency response
- Supports wide supply voltage operation from 1.6V to 5.5V
- Compact 5-pin WLCSP package for space-constrained designs
Applications
- Voice recognition systems requiring low-power audio front-ends
- Portable consumer electronics with limited board space
- Hands-free communication devices
- Digital voice recording modules
Procurement Notes
Verify the specific gain variant, as the AAP661 series includes models with 16dB, 19dB, and 30dB options. Confirm the package type is the 5-WLCSP and that the tape-and-reel quantity matches your production requirements. Ensure compatibility with the intended supply voltage range of 1.6V to 5.5V for your system design.
Selection Notes
Select this component when a fixed 19dB gain is required for electret microphones. Consider alternative part numbers within the AAP661 family if different gain levels or filter characteristics are needed. Verify that the Class A topology meets the noise and power consumption specifications of the target application.
Part Context
This part belongs to the AAP661 series of electret microphone pre-amplifiers from Microchip Technology. The series offers various gain configurations to suit different acoustic environments. The BS suffix typically denotes the 19dB gain variant, distinguishing it from other models in the lineup such as those with 16dB or 30dB gains.
Replacement Considerations
Direct substitutes include AAP661AS-M5A-GLF-TR (16dB gain) and AAP661CS-M5A-GLF-TR (30dB gain). These parts share the same package and pinout but differ in gain settings. Ensure the application can accommodate the gain difference without requiring circuit redesign.
