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Product Detailed Parameters
- Description：IC MUX 8:1 4OHM 16TSSOP
- Series：-
- Mfr：Texas Instruments
- Package：Tape & Reel (TR),Cut Tape (CT)
- Switch Circuit：SP8T
- Multiplexer/Demultiplexer Circuit：8:01
- On-State Resistance (Max)：4Ohm
- Channel-to-Channel Matching (ΔRon)：130mOhm
- Voltage - Supply, Single (V+)：1.08V ~ 5.5V
- Voltage - Supply, Dual (V±)：-
- Switch Time (Ton, Toff) (Max)：12ns, 6ns (Typ)
- -3db Bandwidth：90MHz
- Charge Injection：-1pC
- Channel Capacitance (CS(off), CD(off))：7pF, 60pF
- Current - Leakage (IS(off)) (Max)：80pA
- Crosstalk：-65dB ~ -45dB @ 1MHz ~ 10MHz
- Operating Temperature：-40°C ~ 125°C (TA)
- Mounting Type：Surface Mount
- Package / Case：16-TSSOP (0.173", 4.40mm Width)
- Supplier Device Package：16-TSSOP
- Number of Circuits：1
- Grade：-
- Qualification：-
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Overview
The TMUX1108PWR is a precision analog multiplexer switch IC manufactured by Texas Instruments, housed in a 16-TSSOP surface-mount package. It features an 8:1 single-channel configuration with a maximum on-state resistance of 4 Ohms and a channel-to-channel matching of 130 milliohms. The device operates on a single supply voltage ranging from 1.08V to 5.5V, supporting bidirectional analog and digital signals from ground to the supply rail. Key electrical parameters include a -3dB bandwidth of 90MHz, charge injection of -1pC, and off-state leakage current up to 80pA. Switching times are specified at 12ns for turn-on and 6ns for turn-off.
Feature Summary
- Supports bidirectional analog and digital signal transmission across the full supply range
- Features fail-safe logic allowing control pin voltage application prior to power pins
- Provides TTL and CMOS logic compatibility through 1.8V compatible input thresholds
Applications
- Medical equipment signal routing
- Industrial system data acquisition
- Calibration board reference voltage switching
Procurement Notes
Verify the specific ordering suffix PWR against the manufacturer's official documentation to confirm the TSSOP-16 package type and reel packaging specifications. Ensure the component meets RoHS3 compliance requirements as indicated in public datasheets. Cross-reference the manufacturer part number with authorized distributor catalogs to validate authenticity and current production status before finalizing procurement orders.
Selection Notes
Select this component when low on-state resistance and high channel matching are required for precision signal paths. The wide 1.08V to 5.5V operating range allows flexibility in low-voltage designs. Consider the 16-TSSOP package constraints for PCB layout and thermal management. Verify that the 90MHz bandwidth and nanosecond switching speeds align with the target application's frequency and timing requirements.
Part Context
This device belongs to the TMUX1108 series of precision multiplexers from Texas Instruments. It shares core functional characteristics with other variants in the family, such as the TMUX1108RSVR, which utilizes a UQFN-16 package instead of the TSSOP-16 form factor. The series is designed for applications requiring low distortion and high accuracy in analog signal switching.
Replacement Considerations
Publicly confirmed substitute part numbers are not available in the provided source material. Evaluate alternative devices based on matching pinout, package dimensions, and electrical specifications such as on-resistance and supply voltage range.
