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DG9451EN-T1-E4
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Product Detailed Parameters
- Description：IC MUX 8:1 105OHM 16MINIQFN
- Series：-
- Mfr：Vishay Siliconix
- Package：Tape & Reel (TR)
- Switch Circuit：-
- Multiplexer/Demultiplexer Circuit：8:01
- On-State Resistance (Max)：105Ohm
- Channel-to-Channel Matching (ΔRon)：4Ohm
- Voltage - Supply, Single (V+)：2.7V ~ 12V
- Voltage - Supply, Dual (V±)：±2.5V ~ 5V
- Switch Time (Ton, Toff) (Max)：185ns, 130ns
- -3db Bandwidth：270MHz
- Charge Injection：0.79pC
- Channel Capacitance (CS(off), CD(off))：1pF, 9pF
- Current - Leakage (IS(off)) (Max)：1nA
- Crosstalk：-90dB @ 100kHz
- 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 DG9451EN-T1-E4 is a high-speed analog multiplexer switch manufactured by Vishay Siliconix. It features an 8-channel to 1-channel (8:1) configuration housed in a QFN-16 surface-mount package. The device operates on a single supply voltage ranging from 2.7 V to 13.2 V, with a maximum power dissipation of 525 mW. Key electrical specifications include a maximum on-resistance of 137 Ohms and a bandwidth of 540 MHz. Switching performance is characterized by a maximum turn-on time of 250 ns and a maximum turn-off time of 180 ns. The component supports an operating temperature range from -40°C to +125°C and draws a maximum supply current of 10 uA.
Feature Summary
- Provides 8:1 signal routing capability for analog applications
- Supports wide single-supply voltage operation up to 13.2 V
- Features high bandwidth suitable for fast signal switching
Applications
- Data acquisition systems requiring multi-channel input selection
- Signal routing in test and measurement equipment
- Industrial control systems with multiple sensor inputs
Procurement Notes
Verify the specific suffix EN-T1-E4 against official Vishay documentation to confirm package type and tape-and-reel specifications. Confirm RoHS compliance status through the manufacturer's environmental declaration. Check for obsolescence notices or lifecycle changes directly from Vishay, as availability may be restricted.
Selection Notes
Select this component when an 8:1 multiplexing function is required within a compact QFN-16 footprint. Ensure the application voltage does not exceed the 13.2 V maximum limit. Verify that the 137 Ohm on-resistance meets the signal integrity requirements of the target circuit. Consider thermal management if operating near the upper temperature limits.
Part Context
This part belongs to the DG945x series of high-speed analog switches from Vishay Siliconix. It shares functional similarities with other members of the family but is distinct in its 8-channel configuration. The E4 suffix typically indicates lead-free composition compliant with RoHS standards.
Replacement Considerations
Officially recommended alternatives listed in distributor databases include the DG94 series. Verify pin compatibility and electrical parameters before substitution.
