Overview
The TMUX1109 is a precision complementary metal-oxide semiconductor (CMOS) multiplexer (MUX) designed by Texas Instruments. This device offers differential 4:1 or dual 4:1 single-ended channels, making it versatile for a wide range of applications. It operates over a broad supply voltage range of 1.08V to 5.5V and supports bidirectional analog and digital signals. The TMUX1109 is part of the precision switches and multiplexers family, known for its low on and off leakage currents and low charge injection, making it suitable for high precision measurement applications.
Key Specifications
| Parameter | Value | Unit | Conditions |
|---|---|---|---|
| Supply Voltage Range | 1.08V to 5.5V | V | - |
| Dual Supply Range | ±2.75V | V | - |
| Low Leakage Current | 3pA | A | VDD = 5V, Switch Off |
| Low Charge Injection | 1pC | C | VS = -1V, RS = 0Ω, CL = 1nF |
| Low On-Resistance | 1.8Ω | Ω | VS = VSS to VDD, ISD = 10mA |
| Operating Temperature Range | -40°C to +125°C | °C | - |
| Logic Compatibility | 1.8V logic compatible | - | - |
| ESD Protection | 2000V HBM | V | - |
| Package Options | TSSOP (16 pins), QFN (16 pins) | - | - |
Key Features
- Single supply range: 1.08V to 5.5V and dual supply range: ±2.75V
- Low leakage current: 3pA and low charge injection: 1pC
- Low on-resistance: 1.8Ω
- Operating temperature range: -40°C to +125°C
- 1.8V logic compatible and fail-safe logic
- Rail to rail operation and bidirectional signal path
- Break-before-make switching and ESD protection HBM: 2000V
- Small package options (TSSOP and QFN) suitable for portable applications
Applications
- Ultrasound scanners
- Patient monitoring and diagnostics
- Optical networking and optical test equipment
- Remote radio unit and wired networking
- ATE test equipment and factory automation and industrial controls
- Programmable logic controllers (PLC) and analog input modules
- Sonar receivers, motor drive, and servo drive position feedback
Q & A
- What is the supply voltage range of the TMUX1109?
The TMUX1109 operates over a supply voltage range of 1.08V to 5.5V and also supports a dual supply range of ±2.75V.
- What are the key features of the TMUX1109 in terms of leakage and charge injection?
The TMUX1109 has a low leakage current of 3pA and low charge injection of 1pC.
- What is the on-resistance of the TMUX1109?
The on-resistance of the TMUX1109 is 1.8Ω.
- What is the operating temperature range of the TMUX1109?
The operating temperature range is -40°C to +125°C.
- Is the TMUX1109 compatible with 1.8V logic?
- What type of ESD protection does the TMUX1109 have?
The TMUX1109 has ESD protection with a Human Body Model (HBM) rating of 2000V.
- What are the package options available for the TMUX1109?
The TMUX1109 is available in TSSOP (16 pins) and QFN (16 pins) packages.
- What are some typical applications of the TMUX1109?
The TMUX1109 is used in applications such as ultrasound scanners, patient monitoring, optical networking, remote radio units, and factory automation.
- Does the TMUX1109 support bidirectional signal paths?
- What is the break-before-make switching feature of the TMUX1109?
The TMUX1109 features break-before-make switching to prevent signal overlap during switching.
