Overview
The TMUX7219DGKR, produced by Texas Instruments, is a complementary metal-oxide semiconductor (CMOS) switch designed with latch-up immunity in a single channel, 2:1 (SPDT) configuration. This device is versatile, supporting a wide range of supply voltages and operating conditions, making it suitable for various industrial and commercial applications. The TMUX7219DGKR features low on-resistance, low charge injection, and high current support, ensuring reliable and efficient signal switching.
Key Specifications
| Parameter | Symbol | Conditions | Min | Max | Units | |
|---|---|---|---|---|---|---|
| Supply Voltage | VDD - VSS | -0.5 | 48 | V | ||
| Logic Control Input Pin Voltage | VSEL or VEN | -0.5 | 48 | V | ||
| Source or Drain Voltage | VS or VD | VSS - 0.5 | VDD + 0.5 | V | ||
| Source or Drain Continuous Current | IS or ID (CONT) | 330 (VSSOP), 440 (WSON) | mA | |||
| Ambient Temperature | TA | -55 | 150 | °C | ||
| Storage Temperature | Tstg | -65 | 150 | °C | ||
| Junction Temperature | TJ | 150 | °C | |||
| On-Resistance | RON | 2.1 | Ω | |||
| Charge Injection | -10 | pC | 
Key Features
- Latch-up immune, preventing undesirable high current events between parasitic structures within the device.
 - Dual supply range: ±4.5V to ±22V and single supply range: 4.5V to 44V.
 - Low on-resistance: 2.1Ω.
 - Low charge injection: −10pC.
 - High current support: up to 330mA (VSSOP) and 440mA (WSON).
 - Operating temperature range: -40°C to +125°C.
 - 1.8V logic compatible.
 - Fail-safe logic and rail-to-rail operation.
 - Bidirectional signal path and break-before-make switching.
 
Applications
- Factory automation and industrial controls.
 - Programmable logic controllers (PLC).
 - Analog input modules.
 - Semiconductor test.
 - AC charging (Pile) stations.
 - Ultrasound scanners.
 - Patient monitoring and diagnostics.
 - Optical networking and optical test equipment.
 - Remote radio units and wired networking.
 - Data acquisition systems.
 - Gas meters and flow transmitters.
 
Q & A
-           What is the TMUX7219DGKR?          
The TMUX7219DGKR is a CMOS switch with latch-up immunity in a single channel, 2:1 (SPDT) configuration, produced by Texas Instruments.
 -           What are the supply voltage ranges for the TMUX7219DGKR?          
The device supports dual supply ranges of ±4.5V to ±22V and single supply ranges of 4.5V to 44V.
 -           What is the on-resistance of the TMUX7219DGKR?          
The on-resistance is 2.1Ω.
 -           What is the maximum continuous current the TMUX7219DGKR can handle?          
The device can handle up to 330mA (VSSOP) and 440mA (WSON).
 -           What is the operating temperature range of the TMUX7219DGKR?          
The operating temperature range is -40°C to +125°C.
 -           Is the TMUX7219DGKR compatible with 1.8V logic?          
Yes, it is 1.8V logic compatible.
 -           What type of switching does the TMUX7219DGKR use?          
The device uses break-before-make switching.
 -           What are some common applications of the TMUX7219DGKR?          
Common applications include factory automation, industrial controls, semiconductor test, and patient monitoring.
 -           How does the latch-up immunity feature benefit the TMUX7219DGKR?          
The latch-up immunity feature prevents undesirable high current events between parasitic structures within the device, ensuring reliable operation in harsh environments.
 -           What is the package type of the TMUX7219DGKR?          
The TMUX7219DGKR is available in VSSOP (8-pin) and WSON (8-pin) packages.
 -           What is the thermal resistance of the TMUX7219DGKR in VSSOP and WSON packages?          
The junction-to-ambient thermal resistance is 152.1°C/W for VSSOP and 62°C/W for WSON.
 
                    