onsemi FSA8049UCX Audio Special Purpose
IC DETECTION SWITCH 9WLCSP
Same model may have multiple batches, images only for reference.
Manufacturer
Part Number (MPN)
FSA8049UCX
Detailed Description
IC DETECTION SWITCH 9WLCSP
Package
9-UFBGA, WLCSP
Lifecycle Status
Last Time Buy
RoHS State
RoHS Compliant
Datasheet
FSA8049UCX Datasheet
Quick Jump:
Technical Specifications
onsemi FSA8049UCX Audio Special Purpose technical specifications.
General
Interface
Logic
Number of Channels
1
Package / Case
9-UFBGA
Mounting Type
Surface Mount
Operating Temperature
-40°C ~ 85°C (TA)
Supply Voltage
2.5V ~ 4.4V
Specifications
4-Pole
Applications
Communication Systems, Consumer Audio
Function
Detection Switch
Alternate Parts Comparison (FSA8049UCX vs FSA2258L10X vs FSA1258L8X vs FSA2467UMX)
Side-by-side technical parameter comparison of related primary models in this product family.
| This Part | Alternate Parts | Alternate Parts | Alternate Parts | |
|---|---|---|---|---|
| Package / Case | 9-UFBGA | 10-UFQFN Exposed Pad | 8-UFQFN | 16-UFQFN |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount |
| Operating Temperature | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) |
| 3db Bandwidth | -- | 50MHz | 300MHz | 85MHz |
| Channel Capacitance Cs Off Cd Off | -- | 3.3pF | 11.5pF | 32pF |
| Charge Injection | -- | 25pC | 20pC | 15pC |
| Crosstalk | -- | -100dB @ 100kHz | -100dB @ 1MHz | -75dB @ 100kHz |
| Current Leakage Is Off Max | -- | 10nA | 2nA (Typ) | 10nA |
| Multiplexer Demultiplexer Circuit | -- | 2:1 | 1:1 | 2:2 |
| Number of Circuits | -- | 2 | 2 | 2 |
| On State Resistance Max | -- | 500mOhm (Typ) | 1.15Ohm | 400Ohm (Typ) |
| Switch Circuit | -- | SPDT | SPST - NO/NC | DPDT |
| Action |
More Parts in Special Purpose Audio ICs
Browse additional parts from the same category, grouped by series, package type, and manufacturer. These are catalog suggestions — not verified pin-compatible alternates.