Overview
The LTC1609CSW#TRPBF is a 16-bit, serial sampling analog-to-digital converter (ADC) produced by Analog Devices Inc. This device operates at a sampling rate of 200ksps and is known for its low power consumption, drawing only 65mW (typical) from a single 5V supply. It features a sample-and-hold circuit, a precision reference, and a switched capacitor successive approximation ADC with a trimmed internal clock. The LTC1609 is designed for ease of use and includes control logic that facilitates a straightforward interface with microprocessors and digital signal processors (DSPs).
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Resolution | 16-bit | |
| Sampling Rate | 200ksps | |
| Input Range | ±10V | |
| Power Supply | 5V | |
| Power Consumption | 65mW (typical) | |
| Package Type | 20-Lead SOIC (Wide 0.3 Inch) | |
| Input Impedance | As low as 10kΩ | |
| Overvoltage Protection | ±25V |
Key Features
- Successive approximation algorithm with internal sample-and-hold circuit and precision reference.
- Trimmed internal clock for accurate conversions.
- Low power consumption of 65mW from a single 5V supply.
- Ease of interface with microprocessors and DSPs through control logic.
- Overvoltage protection up to ±25V on the analog inputs.
- Low input impedance, requiring a low impedance source to drive the inputs.
Applications
The LTC1609 is suitable for various applications requiring high-resolution and moderate-speed analog-to-digital conversion. These include:
- Industrial control systems.
- Medical devices requiring precise analog measurements.
- Aerospace and defense systems where low power consumption is critical.
- Automotive systems needing robust and reliable ADCs.
- Data acquisition systems in scientific and research environments.
Q & A
- What is the resolution of the LTC1609 ADC?
The LTC1609 has a resolution of 16 bits.
- What is the sampling rate of the LTC1609?
The LTC1609 operates at a sampling rate of 200ksps.
- What is the input range of the LTC1609?
The input range is specified for bipolar inputs of ±10V.
- How much power does the LTC1609 consume?
The LTC1609 consumes 65mW (typical) from a single 5V supply.
- What type of package is the LTC1609 available in?
The LTC1609 is available in a 20-Lead SOIC (Wide 0.3 Inch) package.
- What is the input impedance of the LTC1609?
The input impedance can be as low as 10kΩ.
- Does the LTC1609 have overvoltage protection?
Yes, the LTC1609 has overvoltage protection up to ±25V.
- How does the LTC1609 interface with microprocessors and DSPs?
The LTC1609 includes control logic that facilitates an easy interface with microprocessors and DSPs.
- What kind of applications is the LTC1609 suitable for?
The LTC1609 is suitable for industrial control systems, medical devices, aerospace and defense systems, automotive systems, and data acquisition systems.
- What is the typical application circuit for the LTC1609?
A typical application circuit includes a sample-and-hold circuit, precision reference, and switched capacitor successive approximation ADC with a trimmed internal clock. It also involves proper driving of the analog inputs and use of capacitors to minimize noise.
