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Product Detailed Parameters
- Description：ANALOG SWITCH SPDT (SINGLEPOLE D
- Series：-
- Mfr：3PEAK
- Package：Tape & Reel (TR),Cut Tape (CT)
- Switch Circuit：SPDT - Open/Closed
- Multiplexer/Demultiplexer Circuit：2:01
- On-State Resistance (Max)：1.5Ohm
- Channel-to-Channel Matching (ΔRon)：120mOhm
- Voltage - Supply, Single (V+)：1.65V ~ 5.5V
- Voltage - Supply, Dual (V±)：-
- Switch Time (Ton, Toff) (Max)：40ns, 15ns
- -3db Bandwidth：100MHz
- Charge Injection：20pC
- Channel Capacitance (CS(off), CD(off))：12pF
- Current - Leakage (IS(off)) (Max)：100nA
- Crosstalk：-120dB @ 1MHz
- Operating Temperature：-40°C ~ 125°C
- Mounting Type：Surface Mount
- Package / Case：10-VFDFN Exposed Pad
- Supplier Device Package：10-DFN (3x3)
- Number of Circuits：2
- Grade：-
- Qualification：-
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Overview
The TPW3221-FR is a low-voltage Single Pole/Double Throw (SPDT) analog switch manufactured by 3PEAK. It operates within a supply voltage range of 1.65 V to 5.5 V and features an ultra-low on-state resistance, typically 0.95 Ω at 4.5 V. The device provides a bandwidth of 100 MHz with fast switching times of 40 ns for turn-on and 15 ns for turn-off. It includes break-before-make switching logic and exhibits excellent channel-to-channel isolation. The component supports an operating temperature range from –40°C to 125°C and offers high latch-up performance exceeding 800 mA per JESD 78 Class II standards.
Feature Summary
- Ultra-low on-state resistance ensures minimal signal loss across the analog path.
- Break-before-make switching prevents short circuits during signal path transitions.
- Low quiescent current allows direct interface with processor general-purpose I/Os.
- High channel-to-channel crosstalk performance supports high-isolation requirements.
Applications
- Industry Control Systems
- Battery-Powered Systems
- Audio Signal Routing
- Portable Instruments and Mobile Device
Procurement Notes
Verify the specific ordering suffix to confirm package type. The -FR suffix indicates the DFN3X3-10 package, while -VR denotes MSOP10. Confirm tape and reel quantities match design needs, as the -FR variant ships in reels of 4000 units. Ensure RoHS compliance and halogen-free status align with environmental regulations.
Selection Notes
Select this component when low voltage operation below 3.3 V is required alongside high-speed signal routing. The DFN3X3-10 package suits space-constrained designs. Verify that the maximum switch current of 200 mA meets load requirements. Consider the thermal characteristics if operating near the upper temperature limits.
Part Context
The TPW3221 series comprises low-voltage SPDT analog switches designed for portable and industrial applications. The TPW3221-FR specifically utilizes the DFN3X3-10 package, offering a compact footprint compared to the MSOP10 variant. This family emphasizes low power consumption and high isolation for signal integrity in mobile and battery-operated devices.
Replacement Considerations
The TPW3221-VR serves as the pin-compatible alternative within the same family, differing only in package type (MSOP10 vs. DFN3X3-10). No other cross-model substitutes are documented in the official datasheet.
