Overview
The TMUX6208PWR, produced by Texas Instruments, is a precision 8:1, single-channel multiplexer. This device is part of the precision switches and multiplexers family and is designed to offer low on-resistance and low charge injection, making it suitable for high-precision measurement applications. The TMUX6208 operates with a single supply range of 4.5 V to 36 V, a dual supply range of ±4.5 V to ±18 V, or an asymmetric supply configuration. It supports bidirectional analog and digital signals and is compatible with 1.8 V logic inputs, ensuring compatibility with both TTL and CMOS logic.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Supply Voltage Range (Single Supply) | 4.5 V to 36 V | V |
| Supply Voltage Range (Dual Supply) | ±4.5 V to ±18 V | V |
| On-Resistance | 4 Ω | Ω |
| Charge Injection | 3 pC | pC |
| Maximum Current (WQFN Package) | 400 mA | mA |
| Maximum Current (TSSOP Package) | 300 mA | mA |
| Operating Temperature Range | –40°C to +125°C | °C |
| Logic Input Compatibility | 1.8 V to VDD | V |
| Switching Bandwidth | 30 MHz (Typical at VDD = 15 V, VSS = 0 V) | MHz |
Key Features
- Low on-resistance: 4 Ω
- Low charge injection: 3 pC
- High current support: up to 400 mA (WQFN package) and up to 300 mA (TSSOP package)
- Wide operating temperature range: –40°C to +125°C
- 1.8 V logic compatible inputs with internal pull-down resistors
- Fail-safe logic to protect the device from potential damage
- Rail-to-rail operation and bidirectional signal path
- Break-before-make switching to prevent signal overlap
Applications
- Factory automation and control
- Programmable logic controllers (PLC)
- Analog input modules
- Semiconductor test equipment
- Battery test equipment
- Ultrasound scanners
- Patient monitoring and diagnostics
- Optical networking and optical test equipment
- Wired networking
- Data acquisition systems (DAQ)
Q & A
- What is the supply voltage range for the TMUX6208?
The TMUX6208 operates with a single supply range of 4.5 V to 36 V and a dual supply range of ±4.5 V to ±18 V.
- What is the on-resistance of the TMUX6208?
The on-resistance of the TMUX6208 is 4 Ω.
- What is the maximum current rating for the TMUX6208 in WQFN and TSSOP packages?
The maximum current rating is 400 mA for the WQFN package and 300 mA for the TSSOP package.
- What is the operating temperature range of the TMUX6208?
The operating temperature range is –40°C to +125°C.
- Is the TMUX6208 compatible with 1.8 V logic inputs?
- What is the switching bandwidth of the TMUX6208?
The switching bandwidth is typically 30 MHz at VDD = 15 V and VSS = 0 V.
- Does the TMUX6208 have fail-safe logic?
- What are some common applications of the TMUX6208?
- Does the TMUX6208 support bidirectional signal paths?
- What is the charge injection of the TMUX6208?
