LTC1694-1IS5#TRMPBF

Product Overview

Category

The LTC1694-1IS5#TRMPBF belongs to the category of integrated circuits (ICs).

Use

This product is commonly used in electronic devices for signal conditioning and level translation applications.

Characteristics

• The LTC1694-1IS5#TRMPBF is a low voltage, 8-channel digital potentiometer.
• It operates with a supply voltage range of 2.7V to 5.5V.
• This IC offers a wide resistance range and high resolution for precise adjustment.
• It provides non-volatile memory storage for retaining settings even when power is removed.
• The LTC1694-1IS5#TRMPBF has a compact SOT-23 package, making it suitable for space-constrained designs.

Package and Quantity

This product is available in a small outline transistor (SOT) package with five pins (SOT-23-5). It is typically sold in reels or tape and reel packaging, with a quantity of 3000 units per reel.

Specifications

• Supply Voltage Range: 2.7V to 5.5V
• Resistance Range: 0Ω to 100kΩ
• Resolution: 256 steps
• Temperature Range: -40°C to +85°C
• Package Type: SOT-23-5

Pin Configuration

The LTC1694-1IS5#TRMPBF features the following pin configuration:

```

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| | --| VCC GND |-- Pin 1: Power Supply (VCC) and Ground (GND) --| SDA SCL |-- Pin 2: Serial Data Input (SDA) and Serial Clock Input (SCL) --| A0 A1 |-- Pins 3 and 4: Address Inputs (A0, A1) --| W0 W1 |-- Pins 5 and 6: Digital Potentiometer Wiper Outputs (W0, W1) |___________| ```

Functional Features

• The LTC1694-1IS5#TRMPBF provides eight independent digital potentiometers.
• It offers a wide resistance range, allowing for versatile applications.
• This IC supports I2C-compatible serial interface for easy integration into digital systems.
• Non-volatile memory ensures that settings are retained even during power loss or device shutdown.
• The LTC1694-1IS5#TRMPBF has low power consumption, making it suitable for battery-powered devices.

Advantages and Disadvantages

Advantages

• Wide resistance range and high resolution enable precise adjustment.
• Compact SOT-23 package allows for space-constrained designs.
• Non-volatile memory ensures settings are retained.
• Low power consumption extends battery life.

Disadvantages

• Limited to 8 channels, may not be suitable for applications requiring more channels.
• Temperature range limited to -40°C to +85°C.

Working Principles

The LTC1694-1IS5#TRMPBF operates by digitally controlling the resistance of each potentiometer channel. The desired resistance value is set using the I2C-compatible serial interface. The digital potentiometer then adjusts its wiper position accordingly, providing the desired resistance between the corresponding terminals.

Detailed Application Field Plans

The LTC1694-1IS5#TRMPBF finds applications in various fields, including:

1. Audio Equipment: Used for volume control and tone adjustment in audio amplifiers and mixers.
2. Instrumentation: Provides programmable gain control and calibration capabilities in measurement devices.
3. Industrial Control Systems: Enables precise control of parameters such as voltage, current, and temperature.
4. Communication Systems: Used for signal conditioning and level translation in data transmission circuits.
5. Automotive Electronics: Provides adjustable settings for various parameters in automotive control systems.

Detailed Alternative Models

1. MCP4018-103E/P: 8-channel digital potentiometer with similar specifications and package type.
2. MAX5486EUD+: 8-channel digital potentiometer with extended temperature range and higher resolution.
3. AD5259BRMZ10: 8-channel digital potentiometer with non-volatile memory and I2C interface.

These alternative models offer similar functionality and can be considered as substitutes for the LTC1694-1IS5#TRMPBF in specific applications.

In conclusion, the LTC1694-1IS5#TRMPBF is a versatile 8-channel digital potentiometer that provides precise resistance adjustment in various electronic devices. Its compact size, wide resistance range, and non-volatile memory make it suitable for a range of applications. However, its limited channel count and temperature range should be considered when selecting this IC for specific projects.