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Product Detailed Parameters
- Description：IC SWITCH SPDTX1 15OHM 6MINIQFN
- Series：-
- Mfr：Vishay Siliconix
- Package：Tape & Reel (TR),Cut Tape (CT)
- Switch Circuit：SPDT
- Multiplexer/Demultiplexer Circuit：2:01
- On-State Resistance (Max)：15Ohm
- Channel-to-Channel Matching (ΔRon)：800mOhm
- Voltage - Supply, Single (V+)：1.65V ~ 5.5V
- Voltage - Supply, Dual (V±)：-
- Switch Time (Ton, Toff) (Max)：25ns, 21ns
- -3db Bandwidth：300MHz
- Charge Injection：7pC
- Channel Capacitance (CS(off), CD(off))：7pF
- Current - Leakage (IS(off)) (Max)：1µA
- Crosstalk：-64dB @ 10MHz
- 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
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Overview
The DG3157ADN-T1-E4 is a low-voltage, single-pole double-throw (SPDT) analog switch manufactured by Vishay Siliconix. It operates within a supply voltage range of 1.65 V to 5.5 V and features a 300 MHz -3 dB bandwidth. The device utilizes sub-micro CMOS technology to achieve low on-resistance and minimal propagation delay. It includes power-down protection and an internal pull-down resistor on the control pin S. The component is housed in a miniQFN-6 package measuring 1 mm x 1.2 mm.
Feature Summary
- Ultra-small miniQFN-6 package for space-constrained designs
- Power down safe design with high ESD protection
- Internal pull-down resistor on the select control pin
Applications
- Analog and digital signal switching
- Bus switches for multiplexer/demultiplexer applications
- Portable equipment requiring low voltage operation
Procurement Notes
Verify the specific ordering suffix DN-T1-E4 against the manufacturer's current documentation to confirm package type and RoHS compliance status. Ensure that the internal pull-down resistor characteristic matches the application requirements, as this feature distinguishes the DG3157A variant from the DG3157B.
Selection Notes
Select the DG3157ADN-T1-E4 when a built-in pull-down resistor on the select pin is required to define the default state during power-up or reset conditions. Compare the 300 MHz bandwidth and 1.65 V minimum operating voltage against system signal frequencies and available supply rails to ensure adequate performance margins.
Part Context
This component belongs to the DG3157 family of low-voltage SPDT analog switches. The 'A' designation specifically indicates the inclusion of an internal pull-down resistor on the control pin S, differentiating it from the DG3157B which lacks this feature. Both variants share identical electrical characteristics regarding switching speed and bandwidth.
Replacement Considerations
The DG3157BDN-T1-E4 serves as a direct functional substitute if the internal pull-down resistor on the select pin is not required by the circuit design. Verify that the alternative part number maintains compatibility with the existing miniQFN-6 footprint and logic thresholds.
