ISL84051IB-T

Product Overview

Category: Integrated Circuit (IC)

Use: Voltage Level Translator

Characteristics: - Bidirectional voltage level translation - Supports voltage levels from 1.2V to 5.5V - Low power consumption - High-speed operation - Small package size

Package: Thin Small Outline Package (TSOP)

Essence: The ISL84051IB-T is a voltage level translator IC that allows bidirectional translation between different voltage levels.

Packaging/Quantity: The ISL84051IB-T is available in a TSOP package and is typically sold in reels of 2500 units.

Specifications

• Supply Voltage Range: 1.2V to 5.5V
• Input Voltage Range (A Port): 1.2V to VCCB
• Input Voltage Range (B Port): 1.2V to VCCA
• Output Voltage Range (A Port): 1.2V to VCCB
• Output Voltage Range (B Port): 1.2V to VCCA
• Maximum Data Rate: 100 Mbps
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The ISL84051IB-T has a total of 8 pins:

1. VCCA: Power supply for A port
2. A1: A port input/output pin 1
3. A2: A port input/output pin 2
4. GND: Ground
5. B1: B port input/output pin 1
6. B2: B port input/output pin 2
7. VCCB: Power supply for B port
8. OE: Output enable pin

Functional Features

• Bidirectional voltage level translation: Allows translation of signals between different voltage domains.
• Wide voltage range support: Supports voltage levels from 1.2V to 5.5V, making it compatible with a wide range of devices.
• High-speed operation: Capable of achieving data rates up to 100 Mbps.
• Low power consumption: Designed for low power applications, ensuring efficient energy usage.
• Small package size: The TSOP package offers a compact form factor, suitable for space-constrained designs.

Advantages and Disadvantages

Advantages: - Bidirectional translation simplifies interfacing between different voltage domains. - Wide voltage range support enhances compatibility with various devices. - High-speed operation enables fast data transfer. - Low power consumption prolongs battery life in portable applications. - Small package size facilitates integration into compact designs.

Disadvantages: - Limited to voltage level translation and does not provide additional functionality. - May require additional components for proper signal conditioning in certain applications.

Working Principles

The ISL84051IB-T utilizes a combination of MOSFETs and level-shifting circuitry to achieve bidirectional voltage level translation. It operates by monitoring the input voltage levels on both the A and B ports and translating them to the corresponding output voltage levels. The direction of translation is determined by the logic level applied to the OE pin.

Detailed Application Field Plans

The ISL84051IB-T finds application in various fields, including:

1. Microcontroller interfacing: Enables communication between microcontrollers operating at different voltage levels.
2. Sensor networks: Facilitates connectivity between sensors and microcontrollers with varying voltage requirements.
3. Industrial automation: Allows for seamless integration of devices operating at different voltage domains in industrial control systems.
4. Consumer electronics: Supports voltage level translation in devices such as smartphones, tablets, and gaming consoles.

Detailed and Complete Alternative Models

1. TXS0108E: 8-bit bidirectional voltage level translator with automatic direction sensing.
2. PCA9306: Dual bidirectional I2C-bus and SMBus voltage level translator.
3. SN74LVC4245A: Octal dual-supply translating transceiver with 3-state outputs.

These alternative models offer similar functionality to the ISL84051IB-T and can be considered as alternatives based on specific application requirements.

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