onsemi FAB1200UCX

Skip to product information
1 of 1
Image shown is a representation only. Exact specifications should be obtained from the product data sheet.
Regular price $94,999.99
Regular price $99,999.99 Sale price $94,999.99
Sale Sold out
Quantity Unit Price Total Price
1 $94,999.99 $94,999.99
15+ $91,999.99 $1,379,999.85
25+ $89,999.99 $2,249,999.75
50+ $84,999.99 $4,249,999.50
100+ $74,999.99 $7,499,999.00
N+ $15,000.00 Price Inquiry
Shipping calculated at checkout.
Quantity
Component Recycling

Request Quote / Inquiry

Product attributes Property Value
Manufacturer onsemi
Product Series
Packaging |
Part Status Obsolete
Type Class G
Output Type Headphones, 2-Channel (Stereo)
Max Output Power x Channels @ Load 51mW x 2 @ 16Ohm
Voltage - Supply 2.5V ~ 5.5V
Features Differential Inputs, I2C, Short-Circuit and Thermal Protection, Shutdown, Volume Control
Mounting Type Surface Mount
Operating Temperature -40°C ~ 85°C (TA)
Grade -
Qualification -
Supplier Device Package 16-WLCSP (1.71x1.71)
Package / Case 16-UFBGA, WLCSP
ROHS RoHS Compliant - Hazardous Substance Free Electronic Components | HQICKEY

The FAB1200UCX is a stereo Class G headphone amplifier from Fairchild Semiconductor, optimized for portable audio devices. Operating from 2.5V to 5.5V, it delivers 51mW per channel into 16Ω loads with high efficiency. The ultra-compact 16-WLCSP package (1.71x1.71mm) saves critical board space in smartphones, tablets, and wearables. Its Class G architecture dynamically adjusts voltage rails to minimize power waste, extending battery life in always-on audio applications.

  • Ultra-Compact Package: 16-WLCSP (1.71x1.71mm) enables integration into the smallest portable devices.
  • High Efficiency: Class G topology reduces power consumption by adapting supply voltage to signal level.
  • Low Voltage Operation: Works from 2.5V, compatible with single-cell Li-ion batteries.
  • Stereo Output: Dedicated left and right channels for immersive headphone audio.

Smartphone Headphone Amplifier

The FAB1200UCX's ultra-small WLCSP package and low 2.5V operation make it perfect for integrating high-quality stereo headphone amplification into smartphones.

Portable Media Player

With 51mW per channel into 16Ω, it provides ample volume for portable media players while Class G efficiency extends playback time.

Wireless Earbud Charging Case

Its tiny footprint allows embedding in charging cases for audio pass-through, enabling high-fidelity sound from a compact battery source.

Tablet Audio Subsystem

The low supply voltage and stereo output make it ideal for tablets requiring a dedicated headphone driver with minimal board space.

VR Headset Audio

Class G operation reduces power consumption in VR headsets, where battery life is critical, while delivering clear stereo sound.

Q: What is the output power of the FAB1200UCX?
A: It delivers 51mW per channel into 16Ω loads, ideal for headphone applications.
Q: What supply voltage does it require?
A: It operates from 2.5V to 5.5V, suitable for battery-powered devices.
Q: What amplifier class does it use?
A: It is a Class G amplifier, which dynamically adjusts voltage rails for improved efficiency.
Q: Is it a stereo amplifier?
A: Yes, it is a 2-channel (stereo) amplifier designed for headphone outputs.
Q: What package is available?
A: It comes in a 16-WLCSP (1.71x1.71mm) ultra-compact package for space-constrained designs.
Base Product Number : FAB1200
51mW Audio Amplifier Class G FAB1200 Headphone Amplifier Low Power Portable Audio Stereo Surface Mount WLCSP
Q: What is the output power of the FAB1200UCX?
A: It delivers 51mW per channel into 16Ω loads, ideal for headphone applications.
Q: What supply voltage does it require?
A: It operates from 2.5V to 5.5V, suitable for battery-powered devices.
Q: What amplifier class does it use?
A: It is a Class G amplifier, which dynamically adjusts voltage rails for improved efficiency.
Q: Is it a stereo amplifier?
A: Yes, it is a 2-channel (stereo) amplifier designed for headphone outputs.
Q: What package is available?
A: It comes in a 16-WLCSP (1.71x1.71mm) ultra-compact package for space-constrained designs.