Overview
The NLV74HC4851ADR2G is an analog multiplexer/demultiplexer (mux/demux) integrated circuit produced by onsemi. This device is designed to be pin-compatible with standard HC405x and MC1405xB analog mux/demux devices but includes the added feature of injection current effect control. This makes it particularly suitable for automotive and other applications where voltages may exceed normal logic voltage levels.
The device utilizes low power silicon gate CMOS technology, ensuring low power consumption and high reliability. The Channel Select and Enable inputs are compatible with standard CMOS outputs, making it easy to integrate into various digital systems.
Key Specifications
| Parameter | Condition | Guaranteed Limit | Unit |
|---|---|---|---|
| VCC | Supply Voltage | 2.0 to 6.0 | V |
| VIH | Minimum High-Level Input Voltage | 1.50 to 4.20 | V |
| VIL | Maximum Low-Level Input Voltage | 0.50 to 1.80 | V |
| Iin | Maximum Input Leakage Current on Digital Pins | ±1.0 | μA |
| ICC | Maximum Quiescent Supply Current | 2 to 40 | μA |
| Ron | Maximum “ON” Resistance | 400 to 1800 | Ω |
| ΔRon | Delta “ON” Resistance | 60 to 500 | Ω |
| Ioff | Maximum Off-Channel Leakage Current | ±0.1 | μA |
| Cin | Maximum Input Capacitance | 10 to 40 | pF |
| CPD | Power Dissipation Capacitance | 5.0 to 20 | pF |
Key Features
- Injection Current Effect Control: Allows signals at disabled analog input channels to exceed the supply voltage range without affecting the signal of the enabled analog channel, eliminating the need for external diode/resistor networks.
- Low Power Silicon Gate CMOS Technology: Ensures low power consumption and high reliability.
- CMOS Compatible Inputs: Channel Select and Enable inputs are compatible with standard CMOS outputs.
- Pin Compatibility: Pin-compatible with standard HC405x and MC1405xB analog mux/demux devices.
- High Impedance Circuit Protection: Contains protection circuitry to guard against damage due to high static voltages or electric fields.
Applications
The NLV74HC4851ADR2G is particularly suited for automotive applications due to its ability to handle voltages in excess of normal logic voltage levels. It is also applicable in various other fields such as:
- Industrial control systems
- Medical devices
- Aerospace and defense systems
- Telecommunications equipment
Q & A
- What is the primary feature of the NLV74HC4851ADR2G?
The primary feature is the injection current effect control, which allows signals at disabled analog input channels to exceed the supply voltage range without affecting the enabled channel.
- What is the supply voltage range for the NLV74HC4851ADR2G?
The supply voltage range is from 2.0V to 6.0V.
- Is the NLV74HC4851ADR2G compatible with other analog mux/demux devices?
- What technology does the NLV74HC4851ADR2G use?
- What are the typical applications of the NLV74HC4851ADR2G?
- How does the NLV74HC4851ADR2G protect against high static voltages?
- What is the maximum “ON” resistance of the NLV74HC4851ADR2G?
- What is the maximum input leakage current on digital pins?
- What is the maximum quiescent supply current?
- What is the maximum off-channel leakage current?
- What is the typical power dissipation capacitance?
