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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)：700mOhm
- Channel-to-Channel Matching (ΔRon)：100mOhm
- Voltage - Supply, Single (V+)：1.65V ~ 5.5V
- Voltage - Supply, Dual (V±)：-
- Switch Time (Ton, Toff) (Max)：120ns, 80ns
- -3db Bandwidth：80MHz
- Charge Injection：20pC
- Channel Capacitance (CS(off), CD(off))：-
- Current - Leakage (IS(off)) (Max)：100nA
- Crosstalk：-120dB @ 100kHz
- Operating Temperature：-40°C ~ 85°C
- Mounting Type：Surface Mount
- Package / Case：10-UFQFN
- Supplier Device Package：10-QFN (1.8x1.4)
- Number of Circuits：2
- Grade：-
- Qualification：-
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Overview
The TPW1221-QF2AR is a low-voltage Single Pole/Double Throw (SPDT) analog switch manufactured by 3PEAK. It operates with a supply voltage range of 1.65 V to 5.5 V and features an ultra-low on-state resistance, typically 0.6 Ω at 2.7 V. The device supports a bandwidth of 80 MHz and includes break-before-make switching functionality. It offers latch-up protection exceeding 600 mA per JESD 78 Class II standards. The component functions within an operating temperature range of –40°C to 85°C and is housed in a QFN1.4X1.8-10 package.
Feature Summary
- Ultra-low on-state resistance for minimal signal loss
- Wide single-supply voltage operation from 1.65 V to 5.5 V
- Break-before-make switching prevents signal shorting
- High ESD and latch-up robustness
Applications
- Industry control systems
- Battery-powered portable instruments
- Audio signal routing
- Mobile device peripheral switching
Procurement Notes
Verify the specific ordering suffix QF2AR corresponds to the QFN1.4X1.8-10 package and tape-and-reel transport media containing 4000 units. Confirm the operating temperature grade is -40°C to 85°C. Ensure compliance with RoHS and halogen-free requirements as defined by the manufacturer's green product standards before finalizing procurement orders.
Selection Notes
Select this component when low voltage operation below 3.3 V is required alongside low insertion loss. The 0.6 Ω typical RON makes it suitable for precision analog signal paths. Verify that the 80 MHz bandwidth meets the application's frequency requirements. Ensure the control logic levels are compatible with the specified VIH and VIL thresholds across the entire operating voltage range.
Part Context
The TPW1221 is part of 3PEAK’s portfolio of low-voltage analog switches designed for space-constrained and battery-operated applications. It provides a compact solution for signal multiplexing in portable electronics and industrial instrumentation where power efficiency and signal integrity are critical design constraints.
Replacement Considerations
Publicly confirmed substitute part numbers are not available in the provided documentation. Engineers should consult official replacement guides or contact the manufacturer directly for validated cross-reference information.
