LTC1407IMSE

Updated: 2026-09-17

Overview

The LTC1407IMSE is a 12-bit, high-speed analog-to-digital converter (ADC) developed by Linear Technology, now part of Analog Devices. It is designed for applications requiring precise signal conversion with minimal power consumption. The device operates at sampling rates up to 20 million samples per second (Msps) and delivers excellent linearity and low noise performance. Packaged in an MSOP-10 form factor, the LTC1407IMSE is well-suited for space-constrained designs. Its combination of speed, accuracy, and power efficiency makes it a popular choice in industrial automation, medical imaging, and telecommunications equipment where reliable data acquisition is critical.

Structure and Working Principle

The LTC1407IMSE employs a pipeline architecture with internal sample-and-hold circuitry to achieve its high-speed conversion capability. The analog input signal is sampled, held, and processed through multiple stages of comparators and digital correction logic to produce the 12-bit digital output. Key components include a reference voltage circuit, clock input for timing control, and digital interface for output data transfer. The device operates from a single 3V supply, with power consumption scaling with sampling rate through a proprietary power management scheme. Proper decoupling and grounding are essential to maintain signal integrity at high frequencies.

Key Features

The LTC1407IMSE offers several distinguishing technical characteristics. Its 12-bit resolution provides 4,096 discrete output levels for precise signal representation. The device achieves ±1LSB INL (integral non-linearity) and ±0.5LSB DNL (differential non-linearity) for excellent linearity. Power consumption is just 85mW at maximum sampling rate, with reduced power modes available when lower speeds are acceptable. The ADC includes a flexible input range (up to 2VP-P) and supports both single-ended and differential input configurations. These features combine to make the converter versatile across various signal conditioning requirements.

Application Areas

This ADC finds widespread use in professional measurement and instrumentation systems. Common applications include portable medical ultrasound equipment, where its combination of speed and low power enables battery-powered operation. Industrial uses encompass motor control feedback systems and precision data acquisition modules. In communications infrastructure, the LTC1407IMSE serves in base station receivers and software-defined radio implementations. The device's performance characteristics also make it suitable for scientific instruments, automated test equipment, and high-speed imaging systems where accurate signal digitization is paramount.

Maintenance and Precautions

Proper handling and implementation are crucial for optimal LTC1407IMSE performance. The device is sensitive to electrostatic discharge (ESD), requiring appropriate handling procedures during assembly and maintenance. A well-designed printed circuit board with separate analog and digital ground planes is recommended. Input signals should be properly conditioned and filtered to prevent aliasing and ensure accurate conversion. The reference voltage pins require low-impedance connections to stable voltage sources. Thermal considerations are generally minimal due to the device's low power operation, but adequate ventilation should be maintained in high-density designs.

B2B Procurement Guide

When sourcing the LTC1407IMSE, buyers should verify they are purchasing from authorized distributors to ensure genuine components. The ADC is available in tape-and-reel packaging for automated assembly, with typical minimum order quantities of 100-250 units for volume pricing. Lead times can vary from stock availability to 6-8 weeks for large orders. Alternative packaging options may be available for prototype quantities. Buyers should confirm specific temperature grade requirements (industrial versus commercial) and consider purchasing evaluation boards for design verification before full production runs.