LF444CM

Operational Amplifiers - Op Amps Quad Low Power JFET Input Operational Amplifier 14-SOIC 0 to 70
4,943 有效庫存

LF444CM

有效庫存4,943

Operational Amplifiers - Op Amps Quad Low Power JFET Input Operational Amplifier 14-SOIC 0 to 70

  • 製造商零件號 # : LF444CM

  • 包裝/封裝: SOIC-14

  • 製造商: Texas Instruments

  • 產品分類 : Instrumentation, OP Amps, Buffer Amps

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LF444CM 數據表
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詳細說明

Texas Instruments' LF444CM operational amplifier is a versatile and high-performance component that is well suited for precision applications. With a bandwidth of 4 MHz and a slew rate of 13 V/μs, this amplifier offers fast response times, making it ideal for applications requiring high speed and low noise performance. Its low input bias current of 10 pA ensures accurate signal processing in high impedance circuits, while the low input offset voltage of 0.5 mV reduces errors in precision voltage applications. The LF444CM is designed to operate on a single supply voltage ranging from ±5V to ±22V, providing flexibility for a wide range of circuit designs. Furthermore, its stable operation over a wide temperature range from -55°C to 125°C makes it suitable for use in harsh environmental conditions. Packaged in an 8-pin SOIC package, the LF444CM is easy to integrate and offers reliability and performance for demanding precision applications

主要特徵

  • LF444CM is a quad op-amp with zero offset voltage
  • It has high precision and low power consumption
  • Suitable for industrial control, automotive, and aerospace applications

規格

以下是所選零件的基本參數，涉及零件的特性及其所屬類別。

Number of channels 4 Total supply voltage (+5 V = 5, ±5 V = 10) (max) (V) 36
Total supply voltage (+5 V = 5, ±5 V = 10) (min) (V) 6 Rail-to-rail In to V+
GBW (typ) (MHz) 1 Slew rate (typ) (V/µs) 1
Vos (offset voltage at 25°C) (max) (mV) 5 Iq per channel (typ) (mA) 0.15
Vn at 1 kHz (typ) (nV√Hz) 35 Rating Catalog
Operating temperature range (°C) 0 to 70 Offset drift (typ) (µV/°C) 10
Input bias current (max) (pA) 50 CMRR (typ) (dB) 100
Iout (typ) (A) 0.014 Architecture FET
Input common mode headroom (to negative supply) (typ) (V) 4 Input common mode headroom (to positive supply) (typ) (V) -5
Output swing headroom (to negative supply) (typ) (V) 2 Output swing headroom (to positive supply) (typ) (V) -2

數據表 PDF

數據表記錄了器件的特性、絕對最大額定值、應用等，這對於作為器件特定應用的整體指南大有裨益。

初步規格 LF444CM PDF 下載

常見問題解答

What is LF444CM?

The LF444CM is a quad low power, high speed JFET operational amplifier designed by Texas Instruments. It is well-suited for applications requiring multiple operational amplifiers in a single package, such as audio amplifiers, signal conditioning circuits, and active filters.

How Does LF444CM Work?

The LF444CM operates as a quad JFET operational amplifier with low noise and high speed characteristics. It provides multiple amplification channels within a single package, offering convenience and compactness for circuit design. The amplifier can amplify input signals with high precision and bandwidth, making it suitable for various signal processing applications.

How Many Pins does LF444CM have and What are the Functions of the Pinout Configuration?

The LF444CM is housed in a 14-pin SOIC (Small Outline Integrated Circuit) package. The pinout configuration includes:

  • VCC+: Positive power supply pin.
  • VCC-: Negative power supply pin.
  • IN1, IN2, IN3, IN4: Non-inverting and inverting input pins for each operational amplifier.
  • OUT1, OUT2, OUT3, OUT4: Output pins for each operational amplifier.
  • -VS: Negative power supply pin for JFET inputs.
  • +VS: Positive power supply pin for JFET inputs.

What are the Pros and Cons of LF444CM?

Pros:

  • Quad Configuration: Offers four operational amplifiers in a single package, saving board space and cost.
  • JFET Technology: Utilizes JFET input transistors for low noise and high impedance characteristics.
  • High Speed: Provides high-speed performance, suitable for applications requiring fast signal processing.
  • Low Power Consumption: Operates with low power requirements, ideal for energy-efficient designs.
  • Wide Supply Voltage Range: Supports a wide supply voltage range for compatibility with various systems.

Cons:

  • Higher Cost: Quad operational amplifiers may be more expensive compared to single or dual op-amp packages.
  • Complexity: Multiple operational amplifiers in one package may require careful circuit design and layout consideration.
  • Matching: Matching of characteristics between the four amplifiers may be critical for some precision applications.

Are There Any Equivalents/Alternatives to LF444CM for Recommendation?

  • The TL074 from Texas Instruments is a similar quad JFET operational amplifier offering equivalent performance.
  • Alternatives to the LF444CM include the OP497 from Analog Devices and the MC3403 from ON Semiconductor.

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