MAX4821EUP

Product Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Level Translator
• Characteristics: High-speed, Low-power, Wide voltage range
• Package: 20-pin TSSOP (Thin Shrink Small Outline Package)
• Essence: Translates logic-level signals between different voltage domains
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Supply Voltage Range: 1.65V to 5.5V
• Logic Input Voltage Range: 1.65V to VCC
• Logic Output Voltage Range: 1.65V to VCC
• Maximum Data Rate: 100 Mbps
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The MAX4821EUP has a total of 20 pins. The pin configuration is as follows:

1. VCCA - Power supply for the A-side logic
2. VCCB - Power supply for the B-side logic
3. GND - Ground
4. A1 - Logic input/output pin A1
5. A2 - Logic input/output pin A2
6. A3 - Logic input/output pin A3
7. A4 - Logic input/output pin A4
8. A5 - Logic input/output pin A5
9. A6 - Logic input/output pin A6
10. A7 - Logic input/output pin A7
11. A8 - Logic input/output pin A8
12. OE - Output enable pin
13. B8 - Logic input/output pin B8
14. B7 - Logic input/output pin B7
15. B6 - Logic input/output pin B6
16. B5 - Logic input/output pin B5
17. B4 - Logic input/output pin B4
18. B3 - Logic input/output pin B3
19. B2 - Logic input/output pin B2
20. B1 - Logic input/output pin B1

Functional Features

• Bidirectional voltage level translation between two logic voltage domains
• Supports voltage translation from 1.65V to VCC on both sides
• High-speed operation with a maximum data rate of 100 Mbps
• Low-power consumption for efficient energy usage
• Enables interfacing between different logic families

Advantages and Disadvantages

Advantages: - Wide voltage range allows compatibility with various logic levels - High-speed operation enables fast data transfer - Low-power consumption helps in energy-efficient designs - Bidirectional functionality simplifies circuit design

Disadvantages: - Limited to 20-pin package, may not be suitable for applications requiring more pins - Not suitable for voltage translation below 1.65V or above VCC

Working Principles

The MAX4821EUP operates by using a combination of MOSFETs and level-shifting circuitry to translate logic-level signals between two different voltage domains. It provides bidirectional voltage translation, allowing seamless communication between devices operating at different logic levels. The device is designed to minimize power consumption while maintaining high-speed operation.

Detailed Application Field Plans

The MAX4821EUP finds applications in various fields, including:

1. Microcontroller interfacing: Allows communication between microcontrollers operating at different logic levels.
2. Sensor networks: Facilitates voltage translation between sensors and microcontrollers.
3. Industrial automation: Enables communication between different control systems operating at different voltage levels.
4. Consumer electronics: Used in devices where multiple logic voltage domains are present, such as smartphones and tablets.
5. Automotive electronics: Provides voltage translation between different components in automotive systems.

Detailed and Complete Alternative Models

1. MAX3378EEUD: 16-pin TSSOP package, bidirectional voltage level translator.
2. TXB0108PWR: 20-pin TSSOP package, 8-bit bidirectional voltage-level translator.
3. SN74LVC1T45DCKR: 6-pin SC70 package, unidirectional voltage level translator.

These alternative models offer similar functionality to the MAX4821EUP and can be considered as alternatives based on specific application requirements.

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