Overview
The 74HC4851PW,118 is a high-performance 8-channel analog multiplexer/demultiplexer integrated circuit (IC) produced by Nexperia USA Inc. This device is part of the 74HC and 74HCT series, which are high-speed Si-gate CMOS devices compliant with JEDEC standard no. 7A. It features three digital select inputs (S0 to S2) and an active-LOW enable input (E), along with eight independent inputs/outputs (Y0 to Y7) and a common input/output (Z).
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Type Number | 74HC4851PW | - |
| Orderable Part Number | 74HC4851PW,118 | - |
| Package | TSSOP16 (SOT403-1) | - |
| Supply Voltage Range | 2.0 - 6.0 | V |
| Logic Switching Levels | CMOS | - |
| On-State Resistance (Max) | 195 | Ω |
| Channel-to-Channel Matching (ΔRon) | 3 | Ω |
| Switch Time (Ton, Toff) (Max) | 78ns, 78ns | - |
| Operating Temperature | -40°C to 125°C | - |
| Current - Leakage (IS(off)) (Max) | 100nA | - |
| Channel Capacitance (CS(off), CD(off)) | 10pF | - |
Key Features
- High-Speed Operation: The 74HC4851PW,118 operates at high speeds, making it suitable for a variety of applications requiring fast signal switching.
- Injection-Current Effect Control: This feature allows signals at disabled analog input channels to exceed the supply voltage without affecting the signal of the enabled analog channel, eliminating the need for external diode/resistor networks.
- Low On-State Resistance: The device has a low on-state resistance, which varies with the supply voltage, ensuring minimal signal degradation.
- Wide Supply Voltage Range: The IC can operate over a wide supply voltage range from 2.0 V to 6.0 V, making it versatile for different application requirements).
- Compact Package: Available in a 16-pin TSSOP (Thin Shrink Small Outline Package) surface mount device, which is suitable for space-constrained designs).
- ESD Protection and Latch-Up Performance: The device offers ESD protection and latch-up performance exceeding 100 mA per JESD 78 Class II level A).
Applications
The 74HC4851PW,118 is designed for use in various applications across different industries, including:
- Automotive: The device is automotive-grade qualified (AEC-Q100), making it suitable for automotive applications where reliability and performance under harsh conditions are critical).
- Industrial: Its robust performance characteristics make it ideal for industrial applications requiring precision signal routing and high reliability).
- Consumer and Mobile Devices: The device can be used in consumer electronics and mobile devices where compact packaging and low power consumption are important).
Q & A
- What is the primary function of the 74HC4851PW,118 IC?
The primary function of the 74HC4851PW,118 is to act as an 8-channel analog multiplexer/demultiplexer with injection-current effect control).
- What are the supply voltage ranges for the 74HC4851PW,118?
The supply voltage range for the 74HC4851PW,118 is from 2.0 V to 6.0 V).
- What is the typical on-state resistance of the 74HC4851PW,118?
The typical on-state resistance varies with the supply voltage, ranging from 400 Ω at 2.0 V to 59 Ω at 6.0 V).
- What is the significance of injection-current effect control in the 74HC4851PW,118?
The injection-current effect control allows signals at disabled analog input channels to exceed the supply voltage without affecting the signal of the enabled analog channel, eliminating the need for external diode/resistor networks).
- What is the operating temperature range for the 74HC4851PW,118?
The operating temperature range is from -40°C to 125°C).
- What package types are available for the 74HC4851PW,118?
The device is available in a 16-pin TSSOP (Thin Shrink Small Outline Package) surface mount device).
- Does the 74HC4851PW,118 have ESD protection?
Yes, the device offers ESD protection and latch-up performance exceeding 100 mA per JESD 78 Class II level A).
- What are the typical switch times for the 74HC4851PW,118?
The typical switch times (Ton, Toff) are 78ns each).
- Is the 74HC4851PW,118 suitable for automotive applications?
Yes, the device is automotive-grade qualified (AEC-Q100), making it suitable for automotive applications).
- How many independent inputs/outputs does the 74HC4851PW,118 have?
The device has eight independent inputs/outputs (Y0 to Y7) and a common input/output (Z)).
