MAX5165LECM+T

Product Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Divider
• Characteristics: Low-power, Precision, Digital Potentiometer
• Package: 16-Lead Exposed Pad TQFN
• Essence: The MAX5165LECM+T is a digital potentiometer IC designed for voltage division applications. It provides a low-power and precise solution for adjusting resistance values digitally.
• Packaging/Quantity: The MAX5165LECM+T is available in a 16-lead exposed pad TQFN package.

Specifications

• Resolution: 256 taps
• Resistance Range: 0Ω to 100kΩ
• Supply Voltage: 2.7V to 5.5V
• Operating Temperature Range: -40°C to +85°C
• Interface: I²C-compatible
• Power Consumption: 1µA (standby), 400µA (active)

Detailed Pin Configuration

The MAX5165LECM+T has the following pin configuration:

1. VDD: Supply Voltage
2. SDA: Serial Data Input/Output
3. SCL: Serial Clock Input
4. GND: Ground
5. A0: Address Bit 0
6. A1: Address Bit 1
7. WP: Write Protect
8. VSS: Negative Supply Voltage
9. VOUT: Output Voltage
10. NC: No Connection
11. NC: No Connection
12. NC: No Connection
13. NC: No Connection
14. NC: No Connection
15. NC: No Connection
16. EPAD: Exposed Pad (Thermal Pad)

Functional Features

• Digital control of resistance value
• Non-volatile memory for storing settings
• Low power consumption in standby mode
• High precision and resolution
• I²C-compatible interface for easy integration

Advantages and Disadvantages

Advantages: - Precise and accurate resistance adjustment - Low power consumption - Non-volatile memory for retaining settings - Easy integration with I²C interface

Disadvantages: - Limited resistance range (0Ω to 100kΩ) - Requires external microcontroller or I²C master for control

Working Principles

The MAX5165LECM+T is based on the principle of a digital potentiometer. It consists of a series of resistive elements connected in a ladder-like configuration. By digitally controlling the taps along this ladder, the effective resistance between the input and output terminals can be adjusted.

The IC utilizes an I²C-compatible interface to receive digital commands from an external microcontroller or I²C master. These commands specify the desired resistance value, which is then set by adjusting the tap position within the ladder network.

Detailed Application Field Plans

The MAX5165LECM+T finds applications in various fields where precise voltage division is required. Some potential application areas include:

1. Audio Equipment: Volume control circuits
2. Test and Measurement Instruments: Calibration and signal attenuation
3. Industrial Control Systems: Analog signal conditioning
4. Communication Systems: Gain control and signal level adjustment
5. Automotive Electronics: Sensor calibration and feedback control

Detailed and Complete Alternative Models

1. MAX5166LECM+T: Similar specifications, but with a higher resistance range (0Ω to 200kΩ).
2. MAX5167LECM+T: Higher resolution (1024 taps) version of the MAX5165LECM+T.
3. MAX5168LECM+T: Lower power consumption variant with similar specifications.

(Note: The above alternative models are from the same MAX5165 series and have similar pin configurations and features.)

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