LTC1257CS8

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LTC1257CS8

Digital to Analog Converters - DAC LTC1257 - Complete Single Supply 12-Bit Voltage Output DAC in SO-8

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Spécifications

Vue d'ensemble

Description

The LTC1257CS8 is a high-speed, low-power, 12-bit analog-to-digital converter (ADC) designed by Linear Technology (now part of Analog Devices). It features a successive approximation architecture, allowing it to achieve fast conversion times of around 1.1 µs while consuming low power, typically around 200 µA.
This ADC operates with a reference voltage range of 0 to 2.5V and can be powered by a single supply, making it suitable for battery-operated devices. The LTC1257CS8 includes features such as an internal comparator and a track-and-hold circuit, which enhances its performance in dynamic applications.
The device is packaged in an 8-pin SOIC, facilitating easy integration into various electronic designs. Its applications span across industrial automation, medical devices, and portable instrumentation, where precision and speed are critical. Additionally, it supports serial or parallel output formats, providing flexibility for interfacing with microcontrollers and digital signal processors.
Overall, the LTC1257CS8 is a reliable choice for high-resolution, fast-response analog-to-digital conversion in compact and power-sensitive applications.

Features

The LTC1257CS8 is a high-speed, low-power, 12-bit analog-to-digital converter (ADC) designed for various applications. Key features include:
1. 12-Bit Resolution: Provides high precision in converting analog signals to digital format.
2. Sampling Rate: Capable of sampling rates up to 1 MSPS (megasample per second), suitable for fast-changing signals.
3. Single Supply Operation: Operates from a single supply voltage of +5V, simplifying design requirements.
4. Low Power Consumption: Consumes only 30mW during operation, making it ideal for battery-powered devices.
5. Input Voltage Range: Accepts a bipolar input range, accommodating both positive and negative voltages.
6. Fast Acquisition Time: Offers a brief sample-and-hold time for quicker response.
7. Serial Interface: Features a serial output for easy interfacing with microcontrollers and digital systems.
8. Power-Down Mode: Includes a power-saving mode to further reduce power consumption when not in use.
These features make the LTC1257CS8 suitable for applications in data acquisition, instrumentation, and portable devices.

Package

The LTC1257CS8 is available in a plastic DIP (Dual In-line Package) with 8 pins. This package type is suitable for through-hole mounting in electronic circuits.

Pinout

The LTC1257CS8 is an 8-pin CMOS analog-to-digital converter (ADC). It features a 12-bit resolution and is designed for high-speed applications. The pin configuration and their functions are as follows:
1. VREF: Reference voltage input for the ADC.
2. AGND: Analog ground.
3. VIN: Input analog voltage to be converted.
4. A0: Address input, used for selecting the channel in multi-channel applications.
5. A1: Address input, also used for channel selection.
6. DOUT: Digital output for the converted data.
7. CLK: Clock input to initiate conversion and control timing.
8. VDD: Power supply input.
The LTC1257 allows for serial data output, making it suitable for interfacing with microcontrollers and digital signal processors. It operates on a supply voltage range of 3V to 15V and is commonly used in applications requiring precise data acquisition.

Manufacturer

The LTC1257CS8 is manufactured by Analog Devices, Inc. Analog Devices is a multinational semiconductor company headquartered in Norwood, Massachusetts, that specializes in high-performance analog, mixed-signal, and digital signal processing (DSP) integrated circuits. Founded in 1965, the company serves a wide range of industries, including telecommunications, automotive, industrial, healthcare, and consumer electronics. Analog Devices is known for its focus on innovation and quality in analog technology, providing solutions that facilitate the conversion, conditioning, and processing of real-world signals. The LTC1257CS8 is a precision analog-to-digital converter (ADC) commonly used in various applications requiring accurate signal conversion.

Application

The LTC1257CS8 is a high-speed, low-power, 12-bit analog-to-digital converter (ADC) widely used in applications such as data acquisition systems, portable instrumentation, medical devices, and industrial control systems. Its fast conversion rates make it suitable for real-time monitoring and processing applications, including sensor interfacing, signal conditioning, and waveform digitization. The device is also used in communication systems for signal sampling and analysis.

Equivalent

Equivalent products to the LTC1257CS8 include the AD7887, MCP3204, and MAX1240. These chips are also analog-to-digital converters (ADCs) with similar specifications, including features like multiple channels and serial interfaces. Always consult datasheets for detailed comparisons and compatibility.

Expédition

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FedEx: Les frais d'expédition varient de 25 à 40 $ (0,5 kg), avec un délai de livraison estimé de 3 à 7 jours ouvrables.

UPS: Les frais d'expédition vont de 25 à 45 $ (0,5 kg), avec un délai de livraison estimé de 3 à 7 jours ouvrables.

TNT: Les frais d'expédition varient de 25 à 65 $ (0,5 kg), avec un délai de livraison estimé de 3 à 7 jours ouvrables.

EMS: Les frais d'expédition varient de 30 à 50 $ (0,5 kg), avec un délai de livraison estimé de 7 à 15 jours ouvrables.

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