Overview
The CD4067BPWRG4 is a 16-channel analog multiplexer/demultiplexer produced by Texas Instruments. This device is part of the CD4067B series, known for its high-voltage rating and low ON resistance. It is designed to switch one of 16 analog inputs to a single analog output or control multiple analog outputs with a single digital output. The CD4067BPWRG4 is particularly useful in expanding the number of analog inputs or outputs in electronic circuits, making it a versatile component for various applications.
Key Specifications
| Parameter | Minimum | Typical | Maximum | Unit |
|---|---|---|---|---|
| Supply Voltage (VDD - VSS) | 3 | - | 18 | V |
| ON Resistance (RON) | - | 125Ω | - | Ω |
| OFF Resistance (Channel Leakage) | - | ±10pA | - | A |
| Quiescent Power Dissipation | - | 0.2µW | - | W |
| Input Current (max) | - | 1µA | - | A |
| Junction Temperature | - | - | 150 | °C |
| Storage Temperature | -65 | - | 150 | °C |
| Package Type | - | TSSOP (24 pins) | - | - |
Key Features
- High-voltage types with a 20V rating
- Low ON resistance: 125Ω (typ) over 15Vp-p signal input range for VDD - VSS = 15V
- High OFF resistance: channel leakage of ±10pA (typ) at VDD - VSS = 10V
- Matched switch characteristics: RON = 5Ω (typ) for VDD - VSS = 15V
- Very low quiescent power dissipation under all digital control input and supply conditions: 0.2µW (typ) at VDD - VSS = 10V
- Binary address decoding on chip
- 5V, 10V, and 15V parametric ratings
- 100% tested for quiescent current at 20V
- Standardized symmetrical output characteristics
- Maximum input current of 1µA at 18V over full package temperature range
Applications
- Analog signal and digital multiplexing
- Transmission-gate logic implementation
- A/D and D/A conversion
- Signal gating
- Data acquisition systems
- Instrumentation
- Audio signal routing
- Analog signal processing
Q & A
- What is the primary function of the CD4067BPWRG4?
The CD4067BPWRG4 is a 16-channel analog multiplexer/demultiplexer that can switch one of 16 analog inputs to a single analog output or control multiple analog outputs with a single digital output.
- What is the typical ON resistance of the CD4067BPWRG4?
The typical ON resistance is 125Ω over a 15Vp-p signal input range for VDD - VSS = 15V.
- What are the parametric voltage ratings for the CD4067BPWRG4?
The device has parametric ratings for 5V, 10V, and 15V.
- How is the quiescent power dissipation of the CD4067BPWRG4?
The quiescent power dissipation is very low, typically 0.2µW at VDD - VSS = 10V.
- What is the maximum junction temperature for the CD4067BPWRG4?
The maximum junction temperature is 150°C.
- What types of packages are available for the CD4067BPWRG4?
The device is available in a 24-pin TSSOP package.
- How does the CD4067BPWRG4 handle binary address decoding?
The device includes binary address decoding on the chip.
- What are some common applications of the CD4067BPWRG4?
Common applications include analog signal and digital multiplexing, transmission-gate logic implementation, A/D and D/A conversion, signal gating, data acquisition systems, instrumentation, audio signal routing, and analog signal processing.
- How can noise be minimized when using the CD4067BPWRG4?
Noise can be minimized by using bypass capacitors (typically 0.1 μF) between VDD and VSS and between VEE and VSS to stabilize the power supply.
- What are the design considerations for PCB layout when using the CD4067BPWRG4?
Keep the analog signal paths short and avoid routing them close to noisy digital signals to minimize interference and signal degradation.
