LTC2644CMS-L12#PBF

Product Overview

Category

The LTC2644CMS-L12#PBF belongs to the category of digital-to-analog converters (DACs).

Use

This product is primarily used in applications where precise analog voltage outputs are required. It converts digital signals into corresponding analog voltages with high accuracy.

Characteristics

• High precision: The LTC2644CMS-L12#PBF offers exceptional accuracy in converting digital data to analog voltages.
• Low power consumption: This DAC operates at low power, making it suitable for battery-powered devices.
• Small package size: The LTC2644CMS-L12#PBF comes in a compact MSOP-16 package, allowing for space-efficient designs.
• Wide temperature range: It can operate reliably across a wide temperature range, making it suitable for various environments.

Package and Quantity

The LTC2644CMS-L12#PBF is available in an MSOP-16 package. Each package contains one LTC2644CMS-L12#PBF unit.

Specifications

• Resolution: 12 bits
• Supply Voltage Range: 2.7V to 5.5V
• Output Voltage Range: 0V to VREF
• Operating Temperature Range: -40°C to 85°C
• Integral Nonlinearity (INL): ±1 LSB (Max)
• Differential Nonlinearity (DNL): ±1 LSB (Max)
• Power Consumption: 0.6mW (Typ)

Pin Configuration

The LTC2644CMS-L12#PBF has the following pin configuration:

```

---

| | | LTC2644CMS-L12 | |_______________________________________|

   Pin 1: VDD
   Pin 2: SDA
   Pin 3: SCL
   Pin 4: GND
   Pin 5: REF
   Pin 6: AGND
   Pin 7: OUTA
   Pin 8: OUTB
   Pin 9: OUTC
   Pin 10: OUTD
   Pin 11: CS
   Pin 12: LDAC
   Pin 13: CLR
   Pin 14: VREF
   Pin 15: VLOGIC
   Pin 16: NC

```

Functional Features

• Four-channel DAC: The LTC2644CMS-L12#PBF provides four independent channels, allowing for simultaneous conversion of multiple digital signals to analog voltages.
• I2C Interface: It utilizes the I2C communication protocol, enabling easy integration with microcontrollers and other digital devices.
• Power-On Reset: The DAC incorporates a power-on reset circuitry that ensures reliable operation upon power-up.
• Internal Reference: It includes an internal voltage reference, eliminating the need for an external reference source.

Advantages and Disadvantages

Advantages

• High precision and accuracy in analog voltage conversion.
• Low power consumption, suitable for battery-powered applications.
• Compact package size, enabling space-efficient designs.
• Wide temperature range, making it versatile for various environments.

Disadvantages

• Limited resolution compared to higher-end DACs.
• Requires an external microcontroller or digital device for control and configuration.

Working Principles

The LTC2644CMS-L12#PBF operates by receiving digital input data through the I2C interface. It then converts this digital data into corresponding analog voltages using its internal digital-to-analog conversion circuitry. The converted analog voltages are available at the output pins (OUTA, OUTB, OUTC, and OUTD) for further use in the application.

Detailed Application Field Plans

The LTC2644CMS-L12#PBF finds applications in various fields, including:

1. Industrial Automation: It can be used in control systems that require precise analog voltage outputs for controlling motors, valves, and other industrial equipment.
2. Test and Measurement: The DAC is suitable for generating accurate analog signals for testing and calibration purposes in electronic test equipment.
3. Audio Equipment: It can be utilized in audio devices to produce high-quality analog audio signals with low distortion.
4. Instrumentation: The LTC2644CMS-L12#PBF is well-suited for instrumentation applications that demand accurate analog voltage generation for data acquisition and analysis.

Detailed and Complete Alternative Models

1. LTC2644IMS-L12#PBF: This model offers similar features and specifications but comes in an MSOP-16 package.
2. LTC2644CMS-L10#PBF: A variant with a 10-bit resolution, suitable for applications where lower precision is acceptable.
3. LTC2644IMS-L8#PBF: This model provides an 8-bit resolution, ideal for cost-sensitive applications with less stringent accuracy requirements.

These alternative models offer different resolutions and package options to cater to