LF398MX

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LF398MX

IC SAMPL/HOLD 1 CIRCUIT 14SOIC

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  • Mfr. Parte #LF398MX
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Especificaciones

Part Status Obsolete
Base Product Number LF398
Amplifier Type Sample and Hold
Number of Circuits 1
Current - Input Bias 10 nA
Voltage - Input Offset 2 mV
Current - Supply 4.5mA
Voltage - Supply Span (Min) 10 V
Voltage - Supply Span (Max) 36 V
Operating Temperature 0°C ~ 70°C
Mounting Type Surface Mount
Package 14-SOIC (0.154", 3.90mm Width)
Supplier Device Package 14-SOIC
Packaging Tape & Reel (TR)

Descripción general

Description

The LF398MX is a precision sample-and-hold amplifier, primarily used in analog-to-digital conversion systems. It is designed to capture and hold a voltage value for a specific duration, allowing the analog signal to be processed or converted into a digital form without degradation over time. Key features of the LF398MX include low droop rate, high input impedance, and low power consumption, making it suitable for applications that require accurate, stable voltage sampling.
This device operates over a wide range of temperatures and is capable of holding sampled data with minimal signal loss. It typically finds applications in data acquisition systems, digital voltmeters, and communication equipment where precise timing and accuracy are critical. The LF398MX is available in a small form factor, often in a compact surface-mount package, facilitating easy integration into various electronic circuits.

Features

The LF398MX is a monolithic sample-and-hold amplifier designed for precision sampling applications. Key features of the LF398MX include:
1. High Accuracy: It offers low offset voltage and low drift over time, ensuring precise sample-and-hold operations.
2. Fast Acquisition Time: The device provides quick acquisition times, making it suitable for high-speed sampling systems.
3. Low Droop Rate: The LF398MX maintains a low droop rate, which is crucial for applications requiring stability over extended hold periods.
4. Wide Bandwidth: It supports a wide bandwidth, allowing it to handle signals with rapid changes effectively.
5. Low Power Consumption: Designed for efficient operation, it consumes minimal power, which is advantageous in battery-operated devices.
6. Single Supply Operation: The LF398MX can operate on a single power supply, simplifying design requirements.
7. Compatibility: It is compatible with both linear and digital systems, enhancing its versatility in various applications.
8. Compact Package: Housed in a small, surface-mount package, the LF398MX is suitable for space-constrained designs.
These features make the LF398MX ideal for applications such as data acquisition systems, instrumentation, and other precision analog-to-digital conversion tasks.

Package

The LF398MX is a precision sample-and-hold amplifier integrated circuit from Texas Instruments, available in an 8-pin SOIC (Small Outline Integrated Circuit) package.

Pinout

The LF398MX is a precision sample-and-hold amplifier. It typically comes in an 8-pin SOIC (Small Outline Integrated Circuit) package. Here is a brief overview of its pin functions:
1. V+: Positive power supply.
2. IN: Analog input where the signal to be sampled is applied.
3. GND: Ground connection.
4. OUT: Output of the sampled signal.
5. V-: Negative power supply.
6. HOLD: Control pin for switching between sample and hold mode.
7. NC: No connection (may not be present or necessary to connect in some variants).
8. NC: No connection.
The LF398MX operates by capturing and holding a voltage value from an analog input signal during a sample command, maintaining that voltage while in hold mode. It is commonly used in analog-to-digital conversion and other applications requiring stable signal sampling.

Manufacturer

The LF398MX is a sample-and-hold amplifier manufactured by Texas Instruments. Texas Instruments (TI) is a global semiconductor company that designs and manufactures a wide range of electronic components and integrated circuits. Founded in 1930 and headquartered in Dallas, Texas, TI is known for its innovations in analog and embedded processing products, serving industries such as automotive, industrial, personal electronics, and communications equipment.

Application

The LF398MX is a monolithic sample-and-hold amplifier with applications in data acquisition systems, analog-to-digital conversion systems, and instrumentation. Its fast acquisition time and low droop rate make it ideal for use in signal processing tasks that require precise and stable signal sampling. Additionally, it is used in multiplexed data systems where accurate and stable retention of analog signals is essential.

Equivalent

The LF398MX is a precision sample-and-hold amplifier. Equivalent products include the AD781 from Analog Devices, HA5320 from Intersil, and the MAX4016 from Maxim Integrated. These alternatives offer similar functionality in terms of sampling and holding analog signals with precision. Always check specific datasheets to ensure compatibility with your application.

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