MAX146ACPP

Product Overview

• Category: Integrated Circuit (IC)
• Use: Power Management
• Characteristics: High-performance, low-power, precision voltage reference
• Package: Plastic DIP (Dual In-line Package)
• Essence: Voltage reference with excellent accuracy and stability
• Packaging/Quantity: 1 piece per package

Specifications

• Voltage Reference Output: 5V
• Temperature Coefficient: ±10ppm/°C
• Operating Temperature Range: -40°C to +85°C
• Supply Voltage Range: 4.5V to 5.5V
• Output Current: 10mA
• Line Regulation: 0.01%/V
• Load Regulation: 0.01%/mA
• Initial Accuracy: ±0.2%
• Long-Term Stability: ±50ppm/year

Pin Configuration

The MAX146ACPP has a total of 8 pins arranged as follows:

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| | --| VOUT | --| GND | --| NC | --| TRIM | --| IN+ | --| IN- | --| VCC | |___________| ```

Functional Features

• High accuracy and stability: The MAX146ACPP provides a precise 5V output with an initial accuracy of ±0.2% and long-term stability of ±50ppm/year.
• Low power consumption: It operates efficiently with a low supply voltage range of 4.5V to 5.5V and consumes only 10mA of output current.
• Excellent line and load regulation: The voltage reference maintains a stable output even with varying input voltages and loads.
• Temperature compensation: With a temperature coefficient of ±10ppm/°C, the MAX146ACPP ensures minimal output voltage drift over a wide temperature range.

Advantages and Disadvantages

Advantages: - High accuracy and stability - Low power consumption - Excellent line and load regulation - Temperature compensation

Disadvantages: - Limited output current capacity (10mA)

Working Principles

The MAX146ACPP is based on a precision bandgap reference circuit. It utilizes a combination of resistors, diodes, and amplifiers to generate a stable 5V output voltage. The internal circuitry compensates for temperature variations, ensuring accurate and stable performance across a wide temperature range.

Detailed Application Field Plans

The MAX146ACPP is commonly used in various applications that require a precise and stable voltage reference. Some typical application fields include:

1. Analog-to-Digital Converters (ADCs)
2. Digital-to-Analog Converters (DACs)
3. Voltage regulators
4. Sensor calibration circuits
5. Precision measurement equipment

Detailed and Complete Alternative Models

1. LT123ACPP: Similar specifications and package as MAX146ACPP, but with lower initial accuracy (±0.5%).
2. AD789ACPP: Higher initial accuracy (±0.1%) and lower temperature coefficient (±5ppm/°C) compared to MAX146ACPP, but at a higher cost.
3. LM336ACPP: Lower initial accuracy (±0.5%) and temperature coefficient (±20ppm/°C) than MAX146ACPP, but available at a lower price point.

These alternative models provide similar functionality to the MAX146ACPP but may have different trade-offs in terms of accuracy, stability, and cost.

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