Overview
The TMUX6212RUMR from Texas Instruments is a high-performance, 36-V, low on-resistance (RON), 1:1, four-channel analog switch. This device is part of the TMUX62 series and is designed to operate with either a single supply or dual supplies, making it versatile for various applications. It features 1.8-V logic compatibility, integrated pull-down resistors on logic pins, and fail-safe logic, ensuring reliable operation across a wide range of conditions.
Key Specifications
| Parameter | Value |
|---|---|
| Package / Case | 16-WQFN (4x4) |
| Mounting Type | Surface Mount |
| Supply Voltage - Min | 4.5 V (Single), ±4.5 V (Dual) |
| Supply Voltage - Max | 36 V (Single), ±18 V (Dual) |
| On Resistance - Max | 2.7 Ω |
| On Time - Max | 175 ns |
| Off Time - Max | 205 ns |
| Minimum Operating Temperature | -40°C |
| Maximum Operating Temperature | +125°C |
| Power Dissipation (Pd) | 1.65 W |
| Channel Capacitance (CS(off), CD(off)) | 28 pF, 45 pF |
| Charge Injection | 78 pC |
| Crosstalk | -93 dB @ 1 MHz |
| Current - Leakage (IS(off)) | 1 nA |
Key Features
- Dual supply range: ±4.5V to ±18V and single supply range: 4.5V to 36V
- Low on-resistance: 2.7 Ω maximum
- High current support: up to 330 mA (WQFN package)
- 1.8-V logic compatible with integrated pull-down resistors on logic pins
- Fail-safe logic and rail-to-rail operation
- Bidirectional operation and compact 1 mm² size
- Robust radiation tolerance: 10 krad(Si)
- Sufficient headroom: 200 mV
Applications
- Sample-and-hold circuits
- Feedback gain switching
- Signal isolation
- Field transmitters
- Programmable logic controllers (PLC) and factory automation and control
- Ultrasound scanners and patient monitoring and diagnostics (e.g., ECG)
- Data acquisition systems (DAQ) and semiconductor test equipment
- LCD test and instrumentation (lab, analytical, portable)
- Ultrasonic smart meters (water and gas) and optical networking
- Optical test equipment
Q & A
- What is the maximum operating temperature of the TMUX6212RUMR?
The maximum operating temperature is +125°C.
- What are the minimum and maximum supply voltages for the TMUX6212RUMR?
The minimum supply voltage is 4.5 V (single) or ±4.5 V (dual), and the maximum supply voltage is 36 V (single) or ±18 V (dual).
- What is the on-resistance of the TMUX6212RUMR?
The maximum on-resistance is 2.7 Ω.
- How many channels does the TMUX6212RUMR have?
The device has four independently selectable 1:1, single-pole, single-throw (SPST) channels.
- What is the maximum current the TMUX6212RUMR can support?
The device can support up to 330 mA in the WQFN package.
- Is the TMUX6212RUMR compatible with 1.8-V logic?
Yes, it is 1.8-V logic compatible.
- What is the typical turn-on and turn-off time for the TMUX6212RUMR?
The typical turn-on time is 175 ns, and the typical turn-off time is 205 ns.
- What are some common applications of the TMUX6212RUMR?
Common applications include sample-and-hold circuits, feedback gain switching, signal isolation, field transmitters, and data acquisition systems.
- Does the TMUX6212RUMR have integrated pull-down resistors on logic pins?
Yes, it does.
- What is the radiation tolerance of the TMUX6212RUMR?
The device has a robust radiation tolerance of 10 krad(Si).
