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DG4157DN-T1-E4
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Product Detailed Parameters
- Description：IC SWITCH SPDTX1 1.2OHM 6MINIQFN
- Series：-
- Mfr：Vishay Siliconix
- Package：Tape & Reel (TR),Cut Tape (CT)
- Switch Circuit：SPDT
- Multiplexer/Demultiplexer Circuit：2:01
- On-State Resistance (Max)：1.2Ohm
- Channel-to-Channel Matching (ΔRon)：120mOhm (Max)
- Voltage - Supply, Single (V+)：1.65V ~ 5.5V
- Voltage - Supply, Dual (V±)：-
- Switch Time (Ton, Toff) (Max)：37ns, 23ns
- -3db Bandwidth：117MHz
- Charge Injection：50pC
- Channel Capacitance (CS(off), CD(off))：20pF
- Current - Leakage (IS(off)) (Max)：2nA
- Crosstalk：-63dB @ 1MHz
- Operating Temperature：-40°C ~ 85°C (TA)
- Mounting Type：Surface Mount
- Package / Case：6-UFDFN
- Supplier Device Package：6-miniQFN (1x1.2)
- Number of Circuits：1
- Grade：-
- Qualification：-
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Overview
The DG4157DN-T1-E4 is a single-channel SPDT analog switch manufactured by Vishay Siliconix, housed in a miniQFN-6L surface-mount package. It operates on a single supply voltage ranging from 1.65 V to 5.5 V with a maximum power dissipation of 160 mW. The device features a maximum on-resistance of 2.5 Ohms and supports a DC switch current of 200 mA. Switching performance includes a maximum turn-on time of 55 ns and a maximum turn-off time of 27 ns. It functions within an operating temperature range of -40°C to +85°C and draws a maximum supply current of 500 nA.
Feature Summary
- Integrated power-down protection circuit prevents abnormal current flow between the COM pin and V+ during power-off conditions.
- Supports control logic input voltages exceeding the positive supply rail (V+) up to 5.5 V, ensuring compatibility with higher-voltage digital interfaces.
- Features break-before-make switching characteristics to prevent signal shorting during channel transitions.
Applications
- Smartphones and tablet devices
- Portable instrumentation systems
- Medical equipment signal routing
Procurement Notes
This component is designated as End-of-Life (EOL) by the manufacturer. Distribution availability is restricted, and Mouser currently reports no sales in certain regions. Verification of current stock status through authorized distributors or alternative sourcing channels is required before procurement planning.
Selection Notes
Select this part for low-voltage applications requiring a compact SPDT configuration with integrated power-down protection. Ensure the design accommodates the 1.65 V minimum supply voltage and verify that the 2.5 Ohm on-resistance meets signal integrity requirements. The miniQFN-6L package necessitates appropriate PCB thermal and mechanical handling considerations.
Part Context
The DG4157 belongs to the DG series of high-performance CMOS analog switches. This specific model variant utilizes the DN suffix indicating the miniQFN-6L package and the E4 suffix denoting lead-free compliance. It is part of a family designed for portable electronics where space and power efficiency are critical constraints.
Replacement Considerations
Public documentation lists DG4157DN-E4 as an alias for this part number. No other verified substitute part numbers are confirmed in the provided source material.
