Overview
The SN74HC4851QPWRQ1 is a high-performance 8-channel analog multiplexer/demultiplexer manufactured by Texas Instruments. Designed for automotive applications, this IC is AEC-Q100 qualified, ensuring reliability in harsh environments. It features injection current control, which allows signals at disabled analog input channels to exceed the supply voltage without affecting the enabled channel. This eliminates the need for external diode/resistor networks, making it a cost-effective solution for automotive and industrial applications. Its compact TSSOP-16 package and low power consumption make it suitable for space-constrained and power-sensitive designs.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Configuration | 8:1 | - | Single-channel |
| Channels | 8 | - | - |
| Power Supply Voltage | 2 to 6 | V | - |
| On-Resistance (Typ) | 150 | Ohms | - |
| Operating Temperature | -40 to +125 | °C | - |
| Package | TSSOP-16 | - | - |
| Qualification | AEC-Q100 | - | Automotive-grade |
| Supply Current (Max) | 2 | µA | - |
| Propagation Delay | 12.5 | ns | - |
| Dimensions | 5 x 4.4 x 1.2 | mm | L x W x H |
Key Features
- Injection current control for enhanced signal integrity.
- Wide operating voltage range (2V to 6V) for versatile applications.
- Low on-resistance (150 Ohms typical) ensures minimal signal loss.
- AEC-Q100 qualified, making it suitable for automotive environments.
- Compact TSSOP-16 package for space-constrained designs.
- Low power consumption (2 µA max) for energy-efficient systems.
Applications
The SN74HC4851QPWRQ1 is widely used in automotive electronics, industrial automation, and communication systems. Its ability to handle signals exceeding the supply voltage makes it ideal for automotive sensor interfaces and signal routing in harsh environments. Additionally, it is suitable for audio/video signal switching, data acquisition systems, and test equipment, where precision and reliability are critical.
Q & A
1. What is the operating voltage range of the SN74HC4851QPWRQ1?
The operating voltage range is 2V to 6V.
2. Is the SN74HC4851QPWRQ1 suitable for automotive applications?
Yes, it is AEC-Q100 qualified, making it suitable for automotive environments.
3. What is the typical on-resistance of this IC?
The typical on-resistance is 150 Ohms.
4. How many channels does the SN74HC4851QPWRQ1 support?
It supports 8 channels in a single-channel configuration.
5. What is the maximum supply current?
The maximum supply current is 2 µA.
6. What is the package type of this IC?
It comes in a TSSOP-16 package.
7. What is the propagation delay of the SN74HC4851QPWRQ1?
The propagation delay is 12.5 ns.
8. Can this IC handle signals exceeding the supply voltage?
Yes, it features injection current control to handle such signals.
9. What is the operating temperature range?
The operating temperature range is -40°C to +125°C.
10. Is this IC pin-compatible with other similar devices?
Yes, it is pin-compatible with CD74HC4051, SN74LV4051A, and CD4051B.
