M51164AL Pre Amplifier 6V IC SIP-10
The M51164AL is a pre-amplifier integrated circuit designed for audio signal conditioning in consumer electronics. It is typically used to amplify weak audio signals from sources such as microphones, tape heads, or tuners before feeding them into a power amplifier stage. With its SIP-10 package, it is well-suited for through-hole PCB designs and compact audio systems.
This IC provides stable amplification with low noise and good signal fidelity, making it suitable for stereo audio applications. It requires only a few external components for operation, simplifying circuit design. The M51164AL is commonly found in cassette players, radios, and other analog audio equipment where clean signal amplification is essential.
Features:
- Audio pre-amplifier IC.
- Low noise and stable performance.
- Suitable for low-level signal amplification.
- Compact SIP-10 package.
- Minimal external components required.
- Good audio fidelity.
- Easy integration into audio circuits.
Specifications:
| Parameter | Value |
|---|---|
| Model | M51164AL |
| Package Type | SIP-10 |
| Function | Audio Pre-Amplifier |
| Channels | Stereo |
| Supply Voltage | 6V – 14V |
| Recommended Voltage | 9V – 12V |
| Application Type | Audio signal amplification |
Pinout:
| Pin No. | Pin Name | Description |
|---|---|---|
| 1 | IN L | Left channel input |
| 2 | NF L | Feedback left |
| 3 | GND | Ground |
| 4 | VCC | Power supply |
| 5 | OUT L | Left channel output |
| 6 | OUT R | Right channel output |
| 7 | VCC2 | Secondary power / bias |
| 8 | GND2 | Ground |
| 9 | NF R | Feedback right |
| 10 | IN R | Right channel input |
Applications:
- Cassette players and tape recorders.
- Radio audio circuits.
- Pre-amplifier stages in audio systems.
- DIY audio amplifier projects.
- Signal conditioning circuits.
Package Includes:
- 1x M51164AL Pre Amplifier 6V SIP-10 IC.



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