X9241AMSZT1

Product Overview

• Category: Integrated Circuit (IC)
• Use: Digital Potentiometer
• Characteristics: Non-volatile, 10kΩ Resistance, 256 Taps
• Package: Surface Mount Technology (SMT)
• Essence: Adjustable resistor with digital control
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Resistance: 10kΩ
• Resolution: 8-bit (256 steps)
• End-to-End Resistance Tolerance: ±20%
• Operating Voltage: 2.7V to 5.5V
• Temperature Range: -40°C to +85°C
• Interface: Serial Peripheral Interface (SPI)
• Non-volatile Memory: Yes

Detailed Pin Configuration

The X9241AMSZT1 has a total of 14 pins:

1. VCC: Power supply voltage
2. GND: Ground reference
3. CS: Chip select input for SPI communication
4. SCLK: Serial clock input for SPI communication
5. SDI: Serial data input for SPI communication
6. SDO: Serial data output for SPI communication
7. WP: Write protect input
8. H0: Terminal A of the potentiometer
9. H1: Terminal B of the potentiometer
10. H2: Terminal Wiper of the potentiometer
11. NC: No connection
12. NC: No connection
13. NC: No connection
14. NC: No connection

Functional Features

• Digital control allows precise adjustment of resistance
• Non-volatile memory retains settings even when power is disconnected
• SPI interface enables easy integration with microcontrollers
• Wide operating voltage range for versatile applications
• Compact SMT package for space-constrained designs

Advantages and Disadvantages

Advantages: - Precise resistance adjustment with 256 steps - Non-volatile memory ensures settings persistence - Easy integration with microcontrollers - Wide operating voltage range allows flexibility in power supply - Small form factor for space-saving designs

Disadvantages: - Limited end-to-end resistance tolerance of ±20% - Temperature range may not be suitable for extreme environments

Working Principles

The X9241AMSZT1 is a digital potentiometer that replaces traditional mechanical potentiometers. It consists of a resistive element with three terminals - A, B, and Wiper. The wiper terminal can be digitally adjusted to vary the resistance between terminals A and B.

The potentiometer's resistance is controlled by sending commands through the SPI interface. The non-volatile memory ensures that the resistance setting is retained even when power is disconnected.

Detailed Application Field Plans

The X9241AMSZT1 finds applications in various fields, including:

1. Audio Equipment: Volume control, tone adjustment
2. Industrial Control Systems: Calibration, feedback control
3. Test and Measurement Instruments: Fine-tuning, calibration
4. Automotive Electronics: Climate control, lighting control
5. Consumer Electronics: Display brightness control, user interface adjustment

Detailed and Complete Alternative Models

1. X9241AWSZT1: Same specifications, different package (8-pin SOIC)
2. X9241BMSZT1: Higher resistance (100kΩ), same specifications
3. X9242AMSZT1: Dual-channel version, two independent potentiometers
4. X9251AMSZT1: Higher resolution (10-bit), more precise adjustment

These alternative models offer similar functionality with slight variations to cater to specific application requirements.

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