Texas Instruments TMUX1237 SPDT General Purpose Switches
Texas Instruments TMUX1237 SPDT General Purpose Switches are general-purpose 2:1, single-pole double-throw (SPDT) switches that support a wide operating range of 1.08V to 5.5V. The device supports bidirectional analog and digital signals on the source (Sx) and drain (D) pins ranging from GND to VDD. The state of the select pin (SEL) controls which of the two source pins is connected to the drain pin. Additionally, the TMUX1237 has a low supply current of 7nA, which enables the device to be used in a host of handheld or low-power applications.
The Texas Instruments TMUX1237 improves system reliability by eliminating overshoot that might occur in a system due to switching between two voltage levels on the source (Sx) pins. The TMUX1237 also maintains fast switching times, improving system performance for various applications, from communications equipment to building automation. All logic inputs have 1.8V logic-compatible thresholds, ensuring both TTL and CMOS logic compatibility when operating in the valid supply voltage range. Fail-safe logic circuitry allows voltages on the control pins to be applied before the supply pin, protecting the device from potential damage.
Features
- No overshoot when switching inputs
- Rail-to-rail operation
- Bidirectional signal path
- 1.8V logic compatible
- Fail-safe logic
- 3Ω low on-resistance
- 1.08V to 5.5V wide supply range
- -40°C to +125°C operating temperature
- 7nA low supply current
- Break-before-make switching
- 2000V ESD protection HBM
Applications
- Analog and digital switching
- I2C and SPI bus multiplexing
- Remote Radio Units (RRU)
- Active Antenna System mMIMO (AAS)
- Rack server
- Network Interface Card (NIC)
- Barcode scanner
- Building automation
- Analog input module
- Motor drives
- Video surveillance
- Electronic point of sale
- Desktop PC
- Appliances
Functional Block Diagram
Opublikowano: 2020-06-02
| Zaktualizowano: 2025-01-31