LTC1290DCN#PBF

Product Overview

Category: Integrated Circuit (IC)

Use: Analog-to-Digital Converter (ADC)

Characteristics: - High-resolution ADC - Low power consumption - Wide input voltage range - Serial interface - On-chip sample-and-hold function

Package: DIP (Dual In-line Package)

Essence: The LTC1290DCN#PBF is a high-performance, 12-bit ADC designed for precision measurement applications.

Packaging/Quantity: The LTC1290DCN#PBF is available in a plastic DIP package and is sold individually.

Specifications

• Resolution: 12 bits
• Input Voltage Range: ±10V
• Conversion Time: 10µs
• Power Supply Voltage: ±5V
• Power Consumption: 1.5mW
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The LTC1290DCN#PBF has the following pin configuration:

```

---

| | | 1 2 3 4 5 6 7 8 9 | |_______________________________________|

1. VREF-
2. VREF+
3. AGND
4. VIN
5. SENSE
6. SHDN
7. CS
8. CLK
9. DGND ```

Functional Features

1. High Resolution: The LTC1290DCN#PBF offers a resolution of 12 bits, allowing for precise measurements.
2. Low Power Consumption: With a power consumption of only 1.5mW, this ADC is suitable for low-power applications.
3. Wide Input Voltage Range: The ADC can handle input voltages ranging from -10V to +10V, making it versatile for various measurement scenarios.
4. Serial Interface: The LTC1290DCN#PBF features a serial interface for easy integration with microcontrollers and other digital systems.
5. On-Chip Sample-and-Hold Function: The built-in sample-and-hold function ensures accurate voltage measurements even in rapidly changing input conditions.

Advantages and Disadvantages

Advantages: - High resolution for precise measurements - Low power consumption for energy-efficient designs - Wide input voltage range for versatility - Serial interface for easy integration - On-chip sample-and-hold function for accurate measurements

Disadvantages: - Limited conversion time of 10µs may not be suitable for high-speed applications - DIP package may not be ideal for space-constrained designs

Working Principles

The LTC1290DCN#PBF operates based on the successive approximation method. It converts analog input voltages into digital values using a 12-bit resolution. The ADC utilizes an internal reference voltage and a sample-and-hold circuit to ensure accurate measurements. The conversion process is controlled by the serial interface, allowing for easy communication with external devices.

Detailed Application Field Plans

The LTC1290DCN#PBF is commonly used in various precision measurement applications, including: - Data acquisition systems - Industrial automation - Instrumentation - Medical equipment - Test and measurement devices

Detailed and Complete Alternative Models

1. LTC1289DCN#PBF: Similar to LTC1290DCN#PBF but with 10-bit resolution.
2. LTC1291DCN#PBF: Similar to LTC1290DCN#PBF but with 14-bit resolution.
3. LTC1292DCN#PBF: Similar to LTC1290DCN#PBF but with 16-bit resolution.

These alternative models offer different resolutions to cater to specific measurement requirements.

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