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DG9251EN-T1-E4
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Product Detailed Parameters
- Description：IC MUX 8:1 182OHM 16MINIQFN
- Series：-
- Mfr：Vishay Siliconix
- Package：Tape & Reel (TR)
- Switch Circuit：-
- Multiplexer/Demultiplexer Circuit：8:01
- On-State Resistance (Max)：182Ohm
- Channel-to-Channel Matching (ΔRon)：3.1Ohm
- Voltage - Supply, Single (V+)：2.7V ~ 16V
- Voltage - Supply, Dual (V±)：±2.7V ~ 5V
- Switch Time (Ton, Toff) (Max)：250ns, 125ns
- -3db Bandwidth：314MHz
- Charge Injection：4.1pC
- Channel Capacitance (CS(off), CD(off))：2.7pF, 10.7pF
- Current - Leakage (IS(off)) (Max)：1nA
- Crosstalk：-67dB @ 10MHz
- Operating Temperature：-40°C ~ 125°C (TA)
- Mounting Type：Surface Mount
- Package / Case：16-WFQFN
- Supplier Device Package：16-miniQFN (1.8x2.6)
- Number of Circuits：1
- Grade：-
- Qualification：-
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Overview
The DG9251EN-T1-E4 is an 8-channel multiplexer switch IC manufactured by Vishay / Siliconix. It features a 1 x 8:1 configuration, routing one of eight inputs to a single output. The device operates within a supply voltage range of 2.7 V to 12 V and supports dual supplies from 2.5 V to 5 V. It utilizes a QFN-16 package for surface mount installation. Key electrical parameters include a maximum on-resistance of 265 Ohms, a bandwidth of 450 MHz, and typical off-isolation of -67 dB. Power dissipation is rated at 525 mW, with operating temperatures spanning from -40°C to +125°C.
Feature Summary
- Provides high-density signal routing through an integrated 8-to-1 multiplexing architecture.
Applications
- Data acquisition systems requiring multi-channel input selection.
Procurement Notes
This component is officially listed as obsolete or end-of-life by the manufacturer. Availability is restricted, and distributors may not stock this item in specific regions. Verification of current lifecycle status and alternative sourcing channels is required before integration into new designs.
Selection Notes
Designers should evaluate the 265 Ohm on-resistance limit against signal integrity requirements. The wide temperature range supports industrial environments. Due to the obsolete status, long-term supply continuity cannot be guaranteed, necessitating careful assessment of replacement strategies.
Part Context
This part belongs to the DG925x series of multiplexer switches from Vishay / Siliconix. It serves as a recommended alternative to legacy DG40 series components. The device is designed for applications needing compact, high-channel-count analog switching solutions in small form factors.
Replacement Considerations
Official documentation lists DG4052AEN-T1-E4 as a recommended alternative. Designers should verify pin compatibility and electrical parameter alignment when considering cross-series substitution.
