MAX4821ETP+ - English Editing Encyclopedia Entry

Product Overview

Category

The MAX4821ETP+ belongs to the category of integrated circuits (ICs).

Use

This product is commonly used for controlling and driving multiple LEDs or other low-voltage devices.

Characteristics

• The MAX4821ETP+ is a high-voltage, low on-resistance, 8-channel analog switch.
• It operates with a supply voltage ranging from +2.7V to +12V.
• This IC has a low on-resistance of typically 0.5Ω at VDD = 4.5V.
• It offers a low leakage current of typically 0.1nA at VDD = 4.5V.
• The MAX4821ETP+ provides a wide operating temperature range of -40°C to +85°C.

Package

This product comes in a TQFN package, which stands for Thin Quad Flat No-Lead. The package dimensions are 4mm x 4mm.

Essence

The MAX4821ETP+ is an analog switch that enables efficient control and driving of multiple low-voltage devices, such as LEDs.

Packaging/Quantity

The MAX4821ETP+ is available in tape and reel packaging. Each reel contains 2500 units of the IC.

Specifications

• Supply Voltage Range: +2.7V to +12V
• On-Resistance: Typically 0.5Ω at VDD = 4.5V
• Leakage Current: Typically 0.1nA at VDD = 4.5V
• Operating Temperature Range: -40°C to +85°C
• Package Type: TQFN
• Package Dimensions: 4mm x 4mm
• Packaging Quantity: 2500 units per reel

Detailed Pin Configuration

The MAX4821ETP+ has a total of 20 pins. The pin configuration is as follows:

1. IN1
2. IN2
3. IN3
4. IN4
5. IN5
6. IN6
7. IN7
8. IN8
9. GND
10. COM
11. NO1
12. NC1
13. NO2
14. NC2
15. NO3
16. NC3
17. NO4
18. NC4
19. VDD
20. EN

Functional Features

• High-voltage analog switch with low on-resistance.
• Enables efficient control and driving of multiple low-voltage devices.
• Wide operating temperature range for versatile applications.

Advantages and Disadvantages

Advantages

• Low on-resistance ensures minimal power loss.
• Wide supply voltage range allows compatibility with various systems.
• Compact TQFN package saves board space.
• Low leakage current prevents unnecessary power consumption.

Disadvantages

• Limited to controlling and driving low-voltage devices.
• Not suitable for high-power applications.

Working Principles

The MAX4821ETP+ operates by receiving control signals through the input pins (IN1 to IN8). These signals determine which channels (NO1 to NO4) are connected to the common terminal (COM). When a specific channel is selected, the corresponding normally open (NO) pin connects to the common (COM) pin, allowing current flow through the connected device. The enable pin (EN) controls the overall operation of the IC.

Detailed Application Field Plans

The MAX4821ETP+ finds applications in various fields, including but not limited to: - LED matrix displays - Automotive lighting systems - Industrial control panels - Medical equipment - Consumer electronics

Detailed and Complete Alternative Models

• MAX4822ETP+: Similar to MAX4821ETP+, but with 16 channels instead of 8.
• MAX4823ETP+: Similar to MAX4821ETP+, but with 4 channels and lower on-resistance.

These alternative models provide options for different channel requirements and specific application needs.

In conclusion, the MAX4821ETP+ is a versatile analog switch IC that allows efficient control and driving of multiple low-voltage devices. Its low on-resistance, wide supply voltage range, and compact package make it suitable for various applications in different fields. However, it is important to consider its limitations regarding high-power applications.