Overview
The TMUX7219DGKRQ1 is a high-performance, automotive-grade analog switch from Texas Instruments. It is designed for precision applications that require low on-state resistance and high off-state resistance. This device features a single 2:1 multiplexer/demultiplexer configuration, making it suitable for a variety of signal switching applications.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| On-State Resistance (Max) | 2.8 | Ohm |
| Voltage Supply, Single (V+) | 4.5V ~ 44V | V |
| Voltage Supply, Dual (V±) | ±4.5V ~ ±22V | V |
| Operating Temperature | -40°C ~ 125°C | °C |
| Crosstalk | -106dB @ 1MHz | dB |
| Switch Time | 168ns (Ton), 180ns (Toff) | ns |
| Bandwidth | -3db at 40MHz | MHz |
| Channel-to-Channel Matching | 100mOhm | mOhm |
| Charge Injection | -16pC | pC |
| Channel Off Capacitance | 34pF | pF |
| Maximum Leakage Current | 100pA (typical) | pA |
Key Features
- Single 2:1 multiplexer/demultiplexer configuration
- Low on-state resistance of 2.8 Ohms and high off-state resistance
- Fast switching time: 168ns turn-on, 180ns turn-off
- High bandwidth of 40MHz
- Low charge injection of -16pC
- Excellent crosstalk performance of -106dB @ 1MHz
- Latch-up immunity for robust operation in harsh environments
- Compatible with a wide range of supply voltages and logic levels from 1.8V to VDD
- Surface mount packaging (8-VSSOP) for compact PCB layouts
Applications
- Automotive systems
- Data acquisition systems
- Communication systems
- Industrial measurement systems
Q & A
- What is the primary function of the TMUX7219DGKRQ1?
The TMUX7219DGKRQ1 is a high-performance, automotive-grade analog switch designed for precision applications requiring low on-state resistance and high off-state resistance. - What is the on-state resistance of the TMUX7219DGKRQ1?
The on-state resistance is up to 2.8 Ohms. - What are the operating temperature ranges for the TMUX7219DGKRQ1?
The operating temperature range is from -40°C to 125°C. - What is the bandwidth of the TMUX7219DGKRQ1?
The bandwidth is -3db at 40MHz. - Does the TMUX7219DGKRQ1 have latch-up immunity?
Yes, the TMUX7219DGKRQ1 features latch-up immunity, preventing undesirable high current events in harsh environments. - What types of supply voltages does the TMUX7219DGKRQ1 support?
The device supports single supply (4.5V to 44V), dual supplies (±4.5V to ±22V), and asymmetric supplies. - What is the typical leakage current of the TMUX7219DGKRQ1?
The maximum leakage current is 100pA (typical). - What is the crosstalk performance of the TMUX7219DGKRQ1?
The crosstalk performance is -106dB @ 1MHz. - What are the common applications of the TMUX7219DGKRQ1?
Common applications include automotive systems, data acquisition systems, communication systems, and industrial measurement systems. - What is the package type of the TMUX7219DGKRQ1?
The device is packaged in an 8-VSSOP (Very Thin Small Outline Package).
