LTC2635HUD-LZ10#PBF

Product Overview

Category

The LTC2635HUD-LZ10#PBF belongs to the category of digital-to-analog converters (DACs).

Use

This DAC is commonly used in various applications where precise analog voltage outputs are required. It is particularly suitable for use in industrial control systems, instrumentation, and communication equipment.

Characteristics

• High precision: The LTC2635HUD-LZ10#PBF offers exceptional accuracy and linearity, ensuring reliable and precise analog voltage outputs.
• Low power consumption: This DAC operates at low power levels, making it energy-efficient and suitable for battery-powered devices.
• Wide voltage range: It supports a wide supply voltage range, allowing flexibility in different system configurations.
• Fast settling time: The LTC2635HUD-LZ10#PBF provides fast settling times, enabling rapid response in dynamic applications.
• Small package size: It comes in a compact package, making it suitable for space-constrained designs.

Package and Quantity

The LTC2635HUD-LZ10#PBF is available in a 16-pin QFN package. It is typically sold in reels containing 250 units.

Specifications

• Resolution: 10 bits
• Number of channels: 1
• Supply voltage range: 2.7V to 5.5V
• Output voltage range: 0V to VREF
• Integral nonlinearity (INL): ±1 LSB (max)
• Differential nonlinearity (DNL): ±0.5 LSB (max)
• Settling time: 4.5μs (typ) for a full-scale step
• Operating temperature range: -40°C to 85°C

Pin Configuration

The LTC2635HUD-LZ10#PBF features the following pin configuration:

```

---

| | | 1 2 3 4 5 6 7 8 9 10| |_______________________________________|

1. VDD
2. GND
3. SDA
4. SCL
5. A0
6. A1
7. A2
8. REF
9. AGND
10. OUT ```

Functional Features

• High-resolution digital-to-analog conversion: The LTC2635HUD-LZ10#PBF provides precise conversion of digital input codes to analog voltage outputs.
• I2C interface: It supports the widely-used I2C communication protocol, allowing easy integration into various systems.
• Power-on reset: The DAC includes a power-on reset circuitry that ensures reliable operation upon power-up.
• Internal reference: It incorporates an internal voltage reference, eliminating the need for an external reference source.

Advantages and Disadvantages

Advantages

• High precision and linearity ensure accurate analog voltage outputs.
• Low power consumption makes it suitable for energy-efficient designs.
• Wide voltage range allows flexibility in different system configurations.
• Fast settling time enables rapid response in dynamic applications.
• Compact package size is ideal for space-constrained designs.

Disadvantages

• Limited resolution (10 bits) compared to higher-end DACs.
• Single-channel output may not be suitable for applications requiring multiple independent outputs.

Working Principles

The LTC2635HUD-LZ10#PBF operates based on the principle of digital-to-analog conversion. It accepts digital input codes and converts them into corresponding analog voltage levels. These analog voltage outputs can be used to control various parameters in electronic systems, such as motor speed, audio volume, or sensor biasing.

The DAC utilizes an internal reference voltage and a precision resistor ladder network to generate the desired analog output. The digital input codes are decoded and converted into specific voltage levels, which are then buffered and amplified to provide accurate analog outputs.

Detailed Application Field Plans

The LTC2635HUD-LZ10#PBF finds applications in various fields, including:

1. Industrial Control Systems: It can be used to control motor speed, valve positions, or temperature regulation in industrial automation systems.
2. Instrumentation: The DAC is suitable for generating precise analog signals in test and measurement equipment, such as signal generators or data acquisition systems.
3. Communication Equipment: It can be employed in communication devices to control RF power levels, audio volume, or frequency synthesis.

Detailed and Complete Alternative Models

1. LTC2635HUD-LZ12#PBF: Similar to LTC2635HUD-LZ10#PBF but with 12-bit resolution.
2. LTC2635HUD-LZ8#PBF: Similar to LTC2635HUD-LZ10#PBF but with 8-bit resolution.
3. LTC2635HUD-L