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Product Detailed Parameters
- Description：IC MUX 8:1 3OHM 16TSSOP
- Series：-
- Mfr：Texas Instruments
- Package：Tape & Reel (TR),Cut Tape (CT)
- Switch Circuit：SP8T
- Multiplexer/Demultiplexer Circuit：8:01
- On-State Resistance (Max)：3Ohm (Typ)
- Channel-to-Channel Matching (ΔRon)：150mOhm
- Voltage - Supply, Single (V+)：1.08V ~ 5.5V
- Voltage - Supply, Dual (V±)：-
- Switch Time (Ton, Toff) (Max)：14ns, 7ns (Typ)
- -3db Bandwidth：73MHz
- Charge Injection：5pC
- Channel Capacitance (CS(off), CD(off))：9pF, 61pF
- Current - Leakage (IS(off)) (Max)：100nA (Typ)
- Crosstalk：-42dB @ 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 TMUX1208PWR is a single-channel, 8:1 analog multiplexer manufactured by Texas Instruments. It operates on a single supply voltage ranging from 1.08V to 5.5V. The device features a typical on-resistance of 3 ohms with a maximum channel-to-channel matching of 150 milliohms. Switching times are specified with a maximum turn-on time of 14ns and a maximum turn-off time of 7ns. The component supports bidirectional signal paths and includes fail-safe logic for control inputs. It is housed in a 16-TSSOP package (0.173 inch width) and functions within an operating temperature range of -40°C to +125°C.
Feature Summary
- Bidirectional signal path supporting analog and digital signals from ground to VDD
- Fail-safe logic protects against control pin voltage application before power pins
- Rail-to-rail operation compatible with 1.8V, TTL, and CMOS logic thresholds
Applications
- HVAC systems including heating, ventilation, and air conditioning controls
- Smoke detection circuits
- Video surveillance equipment
- Electronic point-of-sale (POS) terminals
- Battery-powered consumer devices
Procurement Notes
Verify the specific ordering suffix PWR confirms the 16-TSSOP surface-mount package and standard commercial grade temperature rating. Confirm RoHS compliance status matches current manufacturing standards. Ensure the datasheet version aligns with the required electrical specifications for the design. Check for any recent product change notices regarding assembly sites or marking changes that may affect integration.
Selection Notes
Select this component when a low on-resistance and high bandwidth are required for general-purpose signal routing. The wide supply voltage range suits applications powered by single batteries or regulated rails. Verify that the 14ns switching speed meets the system timing requirements. Consider the 16-TSSOP footprint constraints during PCB layout planning. Evaluate thermal dissipation needs if multiple switches operate simultaneously under load.
Part Context
This part belongs to the TMUX1208 family of CMOS analog multiplexers designed for cost-sensitive, high-volume applications. It serves as a general-purpose switch for routing multiple input signals to a single output line. The device complements other Texas Instruments switch ICs by offering a balance between performance and power consumption suitable for portable electronics.
Replacement Considerations
The TMUX1208PWRG4 is a lead-free variant of the same functional device. Cross-reference with TMUX1208 variants only if package compatibility is confirmed. Do not substitute with automotive-grade parts like TMUX1208QRSVRQ1 unless AEC-Q100 qualification is unnecessary.
