Overview
The CD74HC4051NSR is a high-speed CMOS analog multiplexer and demultiplexer produced by Texas Instruments. This device is part of the CD74HC405x series and is designed to control analog voltages that may vary across the voltage supply range. It features low ON-resistance and low OFF leakages, making it suitable for a wide range of applications. The CD74HC4051NSR is available in various package types, including PDIP, SOIC, SOP, and TSSOP, catering to different design requirements.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Input High Voltage (VIH) | 2 | - | 6 | V |
| Input Low Voltage (VIL) | - | - | 0.8 | V |
| ON Resistance (rON) | 60 | 70 | 160 | Ω |
| Switch Turn-Off Delay (tPHZ, tPLZ) | 44 | - | 57 | ns |
| Switch Turn-On Delay (tPZH, tPZL) | 18 | - | 28 | ns |
| Propagation Delay (tPHL, tPLH) | 10 | - | 15 | ns |
| Operating Temperature Range | -55 | - | 125 | °C |
| Supply Voltage Range | 2 | - | 6 | V |
Key Features
- Qualified for automotive applications.
- Wide analog input voltage range: ±5V maximum.
- Low ON-resistance: 70Ω typical (VCC – VEE = 4.5V).
- Bidirectional switch allowing any analog input to be used as an output and vice versa.
- Enable control that disables all switches to their OFF state when high.
- Available in various package types: PDIP, SOIC, SOP, and TSSOP.
Applications
The CD74HC4051NSR is suitable for a variety of applications, including:
- Analog signal switching and routing.
- Audio and video signal processing.
- Automotive systems requiring high reliability and wide temperature range operation.
- Industrial control systems.
- Medical devices requiring precise analog signal handling.
Q & A
- What is the primary function of the CD74HC4051NSR?
The CD74HC4051NSR is a high-speed CMOS analog multiplexer and demultiplexer, designed to control analog voltages. - What are the typical package types available for the CD74HC4051NSR?
The device is available in PDIP, SOIC, SOP, and TSSOP packages. - What is the operating temperature range of the CD74HC4051NSR?
The operating temperature range is from -55°C to 125°C. - What is the typical ON-resistance of the CD74HC4051NSR?
The typical ON-resistance is 70Ω when VCC – VEE = 4.5V. - Is the CD74HC4051NSR qualified for automotive applications?
Yes, it is qualified for automotive applications. - What is the purpose of the enable control in the CD74HC4051NSR?
The enable control disables all switches to their OFF state when it is high. - What is the maximum analog input voltage range for the CD74HC4051NSR?
The maximum analog input voltage range is ±5V. - How does the CD74HC4051NSR handle bidirectional switching?
The device allows any analog input to be used as an output and vice versa. - What are some common applications of the CD74HC4051NSR?
Common applications include analog signal switching, audio and video signal processing, automotive systems, industrial control systems, and medical devices. - What is the propagation delay of the CD74HC4051NSR?
The propagation delay (tPHL, tPLH) is typically 10 to 15 ns. - How does the CD74HC4051NSR manage switch turn-off and turn-on delays?
The switch turn-off delay (tPHZ, tPLZ) is typically 44 to 57 ns, and the switch turn-on delay (tPZH, tPZL) is typically 18 to 28 ns.
