Overview
The CD4051B-Q1 is an automotive-grade, 8-channel analog multiplexer and demultiplexer produced by Texas Instruments. This component is part of the CD405xB-Q1 series and is designed for use in a wide range of applications, particularly in the automotive sector. It features low ON impedance, very low OFF leakage current, and extremely low quiescent power dissipation, making it suitable for various signal switching and routing tasks.
Key Specifications
| Parameter | Condition | Min | Typ | Max | Unit |
|---|---|---|---|---|---|
| Operating Temperature Range | -45°C | 125°C | °C | ||
| Supply Voltage (VDD - VSS) | 3 V | 20 V | V | ||
| Supply Voltage (VDD - VEE) | 3 V | 20 V | V | ||
| Quiescent Device Current (IDD) at 25°C | VDD = 5 V | 17 µA | 60 µA | µA | |
| Quiescent Device Current (IDD) at 25°C | VDD = 10 V | 18 µA | 60 µA | µA | |
| Quiescent Device Current (IDD) at 25°C | VDD = 15 V | 18 µA | 60 µA | µA | |
| ON Resistance (rON) at 25°C | VDD = 5 V | 470 Ω | 1050 Ω | Ω | |
| ON Resistance (rON) at 25°C | VDD = 10 V | 180 Ω | 400 Ω | Ω | |
| ON Resistance (rON) at 25°C | VDD = 15 V | 125 Ω | 240 Ω | Ω | |
| Propagation Delay Time (Inhibit-to-Signal OUT) | VDD = 5 V, RL = 1 kΩ | 400 ns | 720 ns | ns |
Key Features
- AEC-Q100 qualified for automotive applications with a temperature grade 1: –45°C to +125°C.
- Wide range of digital and analog signal levels: Digital (3 V to 20 V), Analog (≤ 20 V P-P).
- Low ON resistance and high OFF resistance.
- Logic-level conversion for digital addressing signals.
- Binary address decoding on chip.
- 5 V, 10 V, and 15 V parametric ratings.
- 100% tested for quiescent current at 20 V.
- Maximum input current of 1 µA at 18 V over full package temperature range.
- Break-before-make switching eliminates channel overlap.
- Very low quiescent power dissipation (0.2 µW typical at VDD - VSS = VDD - VEE = 10 V).
Applications
- Analog and digital multiplexing and demultiplexing.
- Analog to digital and digital to analog conversion.
- Signal gating.
- Factory automation.
- Televisions.
- Appliances.
- Consumer audio.
- Programmable logic circuits.
- Sensors.
Q & A
- What is the operating temperature range of the CD4051B-Q1?
The operating temperature range is –45°C to +125°C.
- What are the supply voltage ranges for the CD4051B-Q1?
The supply voltage ranges are 3 V to 20 V for both VDD - VSS and VDD - VEE.
- What is the typical ON resistance of the CD4051B-Q1?
The typical ON resistance is 125 Ω over a 15 V P-P signal input range for VDD - VEE = 18 V.
- What is the quiescent power dissipation of the CD4051B-Q1?
The quiescent power dissipation is typically 0.2 µW at VDD - VSS = VDD - VEE = 10 V.
- Does the CD4051B-Q1 support logic-level conversion?
Yes, it supports logic-level conversion for digital addressing signals of 3 V to 20 V.
- What type of switching does the CD4051B-Q1 use to prevent channel overlap?
The CD4051B-Q1 uses break-before-make switching to eliminate channel overlap.
- What are some common applications of the CD4051B-Q1?
Common applications include analog and digital multiplexing, signal gating, factory automation, and consumer electronics.
- Is the CD4051B-Q1 AEC-Q100 qualified?
Yes, it is AEC-Q100 qualified for automotive applications.
- What is the maximum input current of the CD4051B-Q1 at 18 V?
The maximum input current is 1 µA at 18 V over the full package temperature range.
- What package types are available for the CD4051B-Q1?
The CD4051B-Q1 is available in SOIC (16 pins) and TSSOP (16 pins) packages.
