onsemi FSA557UCX Analog Switches - Special Purpose
Switch IC Channel
Same model may have multiple batches, images only for reference.
Manufacturer
Part Number (MPN)
FSA557UCX
Detailed Description
Switch IC Channel
Package
WLCSP-12
Key Features
Number of Channels: 2
Lifecycle Status
Obsolete
RoHS State
RoHS Compliant
Datasheet
FSA557UCX Datasheet
Quick Jump:
Technical Specifications
onsemi FSA557UCX Analog Switches - Special Purpose technical specifications.
General
RoHS
Yes
Number of Channels
2
Lifecycle Status
Obsolete
Icc Max
0.5µA
Package Type
WLCSP12 1.620x1.635x0.457
Number of Switches
4
Analog Switch Configuration
4PST
Ron Max
0.5Ω
Vcc Min Max
1.65V~5.5V
MSL Moisture Sensitivity Level
1 Year
Alternate Parts Comparison (FSA557UCX 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 | |
|---|---|---|---|---|
| RoHS | Yes | Yes | Yes | Yes |
| Lifecycle Status | Obsolete | Obsolete | Obsolete | Obsolete |
| Package | WLCSP-12 | 10-UFQFNExposedPad | UFQFN-8 | UQFN-16 |
| Number of Channels | 2 | 2 Channel | 2 Channel | -- |
| Configuration | 4PST | 2 x SPDT | 2 x SPST | -- |
| Package / Case | -- | 10-UFQFN Exposed Pad | 8-UFQFN | 16-UFQFN |
| Mounting Type | -- | Surface Mount | Surface Mount | Surface Mount |
| Operating Temperature | -- | -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 |
| Channel to Channel Matching Ron | -- | 80mOhm | 60mOhm | 40mOhm (Min) |
| Charge Injection | -- | 25pC | 20pC | 15pC |
| Action |
Cross Reference
Manufacturer-stated alternates from official cross-reference tools. These are not a guaranteed pin-compatible drop-in. Qualify package, pinout, and electrical limits against the datasheet before a board change. See cross-reference vs drop-in compatible .
More Parts in Special Purpose Analog Switches
Browse additional parts from the same category, grouped by series, package type, and manufacturer. These are catalog suggestions — not verified pin-compatible alternates.
