Overview
The TMUX1112RSVR, produced by Texas Instruments, is a precision complementary metal-oxide semiconductor (CMOS) device. It is part of the TMUX111x family, which includes the TMUX1111, TMUX1112, and TMUX1113. The TMUX1112 is specifically designed as a 4-channel, 1:1 (SPST) switch with active high logic control. This device is notable for its wide operating supply range of 1.08V to 5.5V, making it versatile for various applications from medical equipment to industrial systems.
The TMUX1112 supports bidirectional analog and digital signals on the source (Sx) and drain (Dx) pins, ranging from GND to VDD. It features low leakage current, low charge injection, and low on-resistance, which are critical for high precision measurement applications.
Key Specifications
| Parameter | Condition | Min | Typ | Max | Unit |
|---|---|---|---|---|---|
| Supply Voltage Range | 1.08 | 5.5 | V | ||
| On-Resistance (RON) | VS = 0V to VDD, ISD = 10mA | 70 | 105 | Ω | |
| Leakage Current | VDD = 5V, VS = 4.5V/1.5V | -0.1 | 0.1 | nA | |
| Charge Injection | VS = 1V, RS = 0 Ω, CL = 1nF | -1.5 | pC | ||
| Operating Temperature Range | -40 | 125 | °C | ||
| Logic Input High (VIH) | -40°C to +125°C | 1.35 | 5.5 | V | |
| Logic Input Low (VIL) | -40°C to +125°C | 0 | 0.8 | V | |
| Input Leakage Current (IIH/IIL) | 25°C | ±0.005 | µA | ||
| VDD Supply Current (IDD) | Logic inputs = 0V or 5.5V, 25°C | 0.008 | µA |
Key Features
- Wide supply range: 1.08V to 5.5V
- Low leakage current: 3pA
- Low charge injection: -1.5pC
- Low on-resistance: 2Ω
- Operating temperature range: -40°C to +125°C
- 1.8V Logic compatible
- Fail-safe logic
- Rail to rail operation
- Bidirectional signal path
- Break-before-make switching (TMUX1113 only)
- ESD protection HBM: 2000V
Applications
- Sample-and-hold circuits
- Feedback gain switching
- Signal isolation
- Field transmitters
- Programmable logic controllers (PLC)
- Factory automation and control
- Ultrasound scanners
- Patient monitoring and diagnostics
- Electrocardiogram (ECG)
- Data acquisition systems (DAQ)
- ATE test equipment
- Battery test equipment
- Instrumentation: lab, analytical, portable
- Smart meters: water and gas
- Optical networking
- Optical test equipment
Q & A
- What is the operating supply voltage range of the TMUX1112?
The TMUX1112 operates over a supply voltage range of 1.08V to 5.5V.
- What is the typical on-resistance of the TMUX1112?
The typical on-resistance (RON) is 70Ω at 25°C.
- What is the leakage current of the TMUX1112?
The leakage current is as low as 3pA.
- What is the charge injection of the TMUX1112?
The charge injection is -1.5pC.
- What is the operating temperature range of the TMUX1112?
The device operates from -40°C to +125°C.
- Is the TMUX1112 compatible with 1.8V logic?
Yes, the TMUX1112 is 1.8V logic compatible.
- Does the TMUX1112 support bidirectional signal paths?
Yes, it supports bidirectional analog and digital signals.
- What type of logic control does the TMUX1112 use?
The TMUX1112 uses active high logic control.
- What are some common applications of the TMUX1112?
Common applications include sample-and-hold circuits, feedback gain switching, signal isolation, and various medical and industrial systems.
- Does the TMUX1112 have ESD protection?
Yes, it has ESD protection HBM: 2000V.
