Overview
The LTC1407AIMSE#TRPBF is a high-performance, serial 12-bit/14-bit analog-to-digital converter (ADC) produced by Analog Devices Inc. This device is part of the LTC1407 and LTC1407A series, known for their simultaneous sampling capability and low power consumption. The ADCs are designed for high-speed, portable applications and feature two differential inputs that are sampled simultaneously, making them ideal for applications requiring precise and simultaneous data acquisition.
Key Specifications
| Specification | LTC1407 | LTC1407A |
|---|---|---|
| Resolution | 12 bits | 14 bits |
| Input Range | 0V to 2.5V (unipolar) | 0V to 2.5V (unipolar) |
| Sample Rate | 3 Msps (1.5 Msps per channel) | 3 Msps (1.5 Msps per channel) |
| INL (typ/max) | 0.25 LSB typ / 2 LSB max | 0.5 LSB typ / 4 LSB max |
| Power Supply | Single 3V supply | Single 3V supply |
| Power Consumption | 4.7mA (active), 10µW (shutdown) | 4.7mA (active), 10µW (shutdown) |
| Package | 10-Lead MSOP w/ EP | 10-Lead MSOP w/ EP |
| Interface Type | Serial (SPI, Microwire) | Serial (SPI, Microwire) |
| Operating Temperature | -40°C to 85°C (or -40°C to 125°C for some grades) | -40°C to 85°C (or -40°C to 125°C for some grades) |
Key Features
- Simultaneous sampling of two differential inputs at 1.5 Msps per channel.
- Low power consumption: 4.7mA from a single 3V supply and 10µW in shutdown mode.
- High resolution: 12-bit or 14-bit conversion.
- Wide input range: 0V to 2.5V unipolar or ±1.25V bipolar for some versions.
- High common mode rejection: 80dB, reducing ground loops and common mode noise.
- Compact package: 10-Lead MSOP w/ EP.
- Serial interface compatibility: SPI and Microwire.
Applications
The LTC1407 and LTC1407A are suitable for a variety of high-speed and portable applications, including:
- Data acquisition systems.
- Medical devices requiring simultaneous sampling.
- Aerospace and defense systems where low power and high precision are critical.
- Industrial control and automation systems.
- Portable instrumentation and measurement devices.
Q & A
- What is the resolution of the LTC1407 and LTC1407A ADCs? The LTC1407 has a 12-bit resolution, while the LTC1407A has a 14-bit resolution.
- What is the sample rate of these ADCs? Both ADCs have a sample rate of 3 Msps, with each channel sampled at 1.5 Msps.
- What is the power consumption of these devices? The active power consumption is 4.7mA, and in shutdown mode, it reduces to 10µW.
- What type of interface does the LTC1407 use? The LTC1407 uses a serial interface, compatible with SPI and Microwire.
- What is the operating temperature range of the LTC1407? The operating temperature range is typically -40°C to 85°C, with some grades extending to -40°C to 125°C.
- How many differential inputs does the LTC1407 have? The LTC1407 has two differential inputs that are sampled simultaneously.
- What is the common mode rejection ratio of the LTC1407? The common mode rejection ratio is 80dB.
- In what package is the LTC1407 available? The LTC1407 is available in a 10-Lead MSOP w/ EP package.
- What are some typical applications for the LTC1407? Typical applications include data acquisition systems, medical devices, aerospace and defense systems, industrial control systems, and portable instrumentation.
- What is the input range for the LTC1407? The input range for the LTC1407 is 0V to 2.5V unipolar, with some versions supporting ±1.25V bipolar.
