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Product Detailed Parameters
- Description：IC MUX 8:1 170OHM 16TSSOP
- Series：-
- Mfr：Texas Instruments
- Package：Tube
- Switch Circuit：-
- Multiplexer/Demultiplexer Circuit：8:01
- On-State Resistance (Max)：170Ohm
- Channel-to-Channel Matching (ΔRon)：2.4Ohm
- Voltage - Supply, Single (V+)：10V ~ 36V
- Voltage - Supply, Dual (V±)：±5V ~ 18V
- Switch Time (Ton, Toff) (Max)：136ns, 75ns
- -3db Bandwidth：-
- Charge Injection：0.3pC
- Channel Capacitance (CS(off), CD(off))：2.4pF, 7.5pF
- Current - Leakage (IS(off)) (Max)：1nA
- Crosstalk：-96dB @ 1MHz
- 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 MUX508IPW is an analog multiplexer manufactured by Texas Instruments, configured as a single 8:1 circuit in a 16-TSSOP package. It operates on a single supply voltage of 10V to 36V or dual supplies of ±5V to ±18V. Key electrical parameters include a maximum on-state resistance of 170 ohms with a channel-to-channel matching of 2.4 ohms. The device features low charge injection of 0.3pC and off-state leakage current of 1nA. Switching times are specified at a maximum of 136ns for turn-on and 75ns for turn-off. It supports an operating temperature range from -40°C to 125°C.
Feature Summary
- Provides 8:1 single-ended channel configuration for signal routing
- Ensures high precision through low charge injection and tight channel-to-channel resistance matching
- Supports operation with both symmetric and asymmetric power supply configurations
Applications
- Data acquisition systems requiring precise analog signal selection
- Portable instrumentation utilizing low power consumption capabilities
- Industrial control systems operating within wide temperature ranges
Procurement Notes
Verify the specific suffix IPW corresponds to the 16-TSSOP tube packaging when sourcing. Confirm that the required on-resistance and switching speed specifications align with the 170-ohm and 136ns/75ns limits defined in the official datasheet. Ensure compatibility with TTL logic thresholds if interfacing directly with standard digital controllers.
Selection Notes
Select this component when an 8:1 multiplexing ratio is required alongside low distortion characteristics. The 170-ohm on-resistance suits applications where moderate signal loss is acceptable. Consider the 16-TSSOP footprint for board space constraints. Verify that the 10V minimum single-supply requirement fits the system power architecture compared to lower-voltage alternatives.
Part Context
This part belongs to the MUX50x family of CMOS analog multiplexers, which also includes the MUX509. While the MUX508 provides a single 8:1 path, the MUX509 offers different configurations such as dual 4:1 channels. Both share similar electrical performance metrics including low leakage and charge injection, designed for precision signal switching in industrial and portable environments.
Replacement Considerations
The MUX508IDR serves as a pin-compatible alternative offering the same electrical specifications but housed in a 16-SOIC package instead of TSSOP. Designers must verify footprint compatibility during substitution. Other members of the MUX50x family may require schematic adjustments due to differing channel configurations.
