Nuvoton Technology Corporation ISD8104SYI
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | Dhs. 1.27 | Dhs. 1.27 |
| 15+ | Dhs. 1.24 | Dhs. 18.60 |
| 25+ | Dhs. 1.22 | Dhs. 30.50 |
| 50+ | Dhs. 1.15 | Dhs. 57.50 |
| 100+ | Dhs. 1.01 | Dhs. 101.00 |
| N+ | Dhs. 0.20 | Price Inquiry |
Request Quote / Inquiry
| Product attributes | Property Value |
| Manufacturer | Nuvoton Technology Corporation |
| Product Series | |
| Packaging | Tube | |
| Part Status | Active |
| Type | Class AB |
| Output Type | 1-Channel (Mono) |
| Max Output Power x Channels @ Load | 2W x 1 @ 4Ohm; 1.4W x 1 @ 8Ohm |
| Voltage - Supply | 2V ~ 6.8V |
| Features | - |
| Mounting Type | Surface Mount |
| Operating Temperature | -40°C ~ 85°C |
| Grade | - |
| Qualification | - |
| Supplier Device Package | 8-SOP |
| Package / Case | 8-SOIC (0.154", 3.90mm Width) |
| ROHS |
The ISD8104SYI is a mono Class AB audio amplifier from Nuvoton, delivering 2W into 4Ω or 1.4W into 8Ω. Operating from 2V to 6.8V, it provides low-distortion audio for portable speakers, intercoms, alarms, and radios. Housed in a standard 8-SOP (SOIC-8) package, it offers easy integration into battery-powered and line-powered designs, with reliable performance across -40°C to +85°C.
- Wide Supply Voltage (2V-6.8V): Supports multiple battery configurations and regulated supplies.
- Class AB Low Distortion: Delivers clean audio suitable for voice and music applications.
- Standard SOIC-8 Package: Easy to solder and prototype, compatible with many PCB layouts.
- Flexible Output Power: 2W into 4Ω or 1.4W into 8Ω for different speaker impedances.
- Extended Temperature Range (-40°C to +85°C): Reliable in harsh environments.
Portable Bluetooth Speaker
The ISD8104SYI delivers 2W into 4Ω from a 5V supply, providing sufficient volume for compact Bluetooth speakers while maintaining Class AB audio quality.
Battery-Powered Intercom
With a wide 2V to 6.8V range, this amplifier can run on 2-4 AA batteries, making it ideal for door intercoms or baby monitors requiring reliable mono audio.
Alarm and Siren Driver
Its robust output and standard SOIC-8 package allow easy integration into security alarms, driving speakers for loud alerts with minimal external components.
Portable AM/FM Radio
The low distortion Class AB output ensures clear voice and music reproduction in pocket radios, operating from a single Li-ion cell or USB power.
DIY Audio Amplifier
Hobbyists can quickly prototype a mono amplifier using the ISD8104SYI due to its simple pinout and through-hole compatible SOIC-8 package.
Medical Alert Device
Its wide temperature range and low voltage operation make it suitable for portable medical alert systems that require audio feedback.
| Model | Package | Voltage Range | Output Power (Typical) |
|---|---|---|---|
| ISD8104SYI | 8-SOP | 2V ~ 6.8V | 2W x 1 @ 4Ω; 1.4W x 1 @ 8Ω |
| NJM2772V-TE1# | 14-SSOP | 1.8V ~ 4.5V | 8mW x 2 @ 16Ω (Headphone) |
| PAM8303DBYC | 8-DFN (3x3) | 2.8V ~ 5.5V | 3W x 1 @ 4Ω (Class D) |
- Q: What is the output power of the ISD8104SYI?
- A: It delivers 2W into 4Ω or 1.4W into 8Ω, suitable for mono speaker applications.
- Q: What is the supply voltage range?
- A: The device operates from 2V to 6.8V, covering a wide range of battery and regulated supplies.
- Q: What amplifier class does it use?
- A: It is a mono Class AB amplifier, known for low distortion and simple design.
- Q: What package is available?
- A: It comes in an 8-SOP (SOIC-8) package, a standard surface-mount footprint.
- Q: What are typical applications?
- A: It is used in portable speakers, intercoms, alarms, and other battery-powered audio devices.
- Q: What is the output power of the ISD8104SYI?
- A: It delivers 2W into 4Ω or 1.4W into 8Ω, suitable for mono speaker applications.
- Q: What is the supply voltage range?
- A: The device operates from 2V to 6.8V, covering a wide range of battery and regulated supplies.
- Q: What amplifier class does it use?
- A: It is a mono Class AB amplifier, known for low distortion and simple design.
- Q: What package is available?
- A: It comes in an 8-SOP (SOIC-8) package, a standard surface-mount footprint.
- Q: What are typical applications?
- A: It is used in portable speakers, intercoms, alarms, and other battery-powered audio devices.

ISD8104SYI.pdf