Overview
The CD4067BPWG4, produced by Texas Instruments, is a 16-channel analog multiplexer/demultiplexer integrated circuit. This device is part of the CD4067B series, known for its high-voltage ratings 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, making it versatile for various electronic circuits.
The CD4067B series includes several package options, such as PDIP, SOIC, and TSSOP, with the CD4067BPWG4 specifically being in the 24-lead TSSOP package. This packaging ensures suitability for different PCB layouts and space constraints.
Key Specifications
| Parameter | Value | Conditions |
|---|---|---|
| Number of Channels | 16 | |
| Package Type | 24-lead TSSOP | |
| High Voltage Rating | 20V | |
| Low ON Resistance | 125Ω (typ) over 15Vp-p signal input range | VDD - VSS = 15V |
| High OFF Resistance | Channel leakage of ±10pA (typ) | VDD - VSS = 10V |
| Matched Switch Characteristics | RON = 5Ω (typ) for VDD - VSS = 15V | |
| Quiescent Power Dissipation | 0.2µW (typ) at VDD - VSS = 10V | |
| Binary Address Decoding | On-chip | |
| Parametric Ratings | 5V, 10V, and 15V | |
| Maximum Input Current | 1µA at 18V over full package temperature range |
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 and digital multiplexing and demultiplexing
- A/D and D/A conversion
- Signal gating
- Transmission-gate logic implementation
- Data acquisition systems
- Instrumentation
- Audio signal routing
- Analog signal processing
Q & A
- What is the CD4067BPWG4 used for?
The CD4067BPWG4 is used as a 16-channel analog multiplexer or demultiplexer, allowing the switching of one of 16 analog inputs to a single analog output or controlling multiple analog outputs with a single digital output.
- What are the key package options for the CD4067B series?
The CD4067B series is available in various packages including PDIP, SOIC, and TSSOP, with the CD4067BPWG4 being in the 24-lead TSSOP package.
- What is the high voltage rating of the CD4067B?
The CD4067B has a high voltage rating of 20V.
- What is the typical ON resistance of the CD4067B?
The typical ON resistance is 125Ω over a 15Vp-p signal input range for VDD - VSS = 15V.
- How does the CD4067B handle quiescent power dissipation?
The CD4067B has very low quiescent power dissipation, typically 0.2µW at VDD - VSS = 10V.
- What is the significance of binary address decoding on the CD4067B?
The binary address decoding on the chip allows for efficient selection of channels using four digital control inputs (A, B, C, D) and an inhibit input.
- What are the parametric ratings for the CD4067B?
The CD4067B has parametric ratings for 5V, 10V, and 15V.
- How does temperature affect the performance of the CD4067B?
The performance of the CD4067B can vary with temperature, so it should be operated within the specified temperature range for best results.
- What are the design considerations when using the CD4067B in PCB design?
Keep the analog signal paths short and avoid routing them close to noisy digital signals to minimize interference and signal degradation.
- What is the difference between the various suffixes of the CD4067B (e.g., CD4067BE, CD4067BF, CD4067BPW)?
The suffixes indicate different packages: E for plastic DIP, F for ceramic DIP, BPW for TSSOP, and BM for SOIC.
