LB1845

1.75A Bipolar PDIP28
6,885 有效庫存

LB1845

有效庫存6,885

1.75A Bipolar PDIP28

品質保證

品質保證

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運輸與付款

運輸與付款

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服務與包裝

服務與包裝

About After Sales Service

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例子

捲帶式

捲帶式

剪膠帶

剪膠帶

管或託盤

管或託盤

LB1845 數據表
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目前的價格方案正在編制中。請聯絡我們的客戶服務團隊獲取最新的價格資訊。感謝您的理解和支援!

快速報價

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詳細說明

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主要特徵

  • LB18x5 series ICs offer high current and low voltage operation
  • They have built-in thermal shutdown protection and overcurrent protection too
  • The output clamp diodes make them suitable for inductive loads like motors and solenoids

應用

  • LB1845: versatile motor control
  • Efficient speed regulation solution
  • Reliable performance in all systems

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。

Part Life Cycle Code Obsolete Part Package Code DIP
Pin Count ! 28 Reach Compliance Code
ECCN Code EAR99 HTS Code ! 8542.39.00.01
Analog IC - Other Type STEPPER MOTOR CONTROLLER JESD-30 Code R-PDIP-T28
Length 26.75 mm Number of Functions 1
Number of Terminals 28 Operating Temperature-Max 85 °C
Operating Temperature-Min -20 °C Output Current-Max 1.75 A
Package Body Material PLASTIC/EPOXY Package Code SDIP
Package Shape RECTANGULAR Package Style IN-LINE, SHRINK PITCH
Qualification Status ! Not Qualified Supply Voltage-Max (Vsup) 5.25 V
Supply Voltage-Min (Vsup) 4.75 V Supply Voltage-Nom (Vsup) 5 V
Surface Mount ! NO Technology BIPOLAR
Temperature Grade ! OTHER Terminal Form ! THROUGH-HOLE
Terminal Pitch ! 1.778 mm Terminal Position DUAL
Width 7.62 mm

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 LB1845 PDF 下載

常見問題解答

What is LB1845?

The LB1845 is a dual-channel, low-noise, high-gain operational amplifier designed by Sanyo Semiconductors (now part of ON Semiconductor). It is commonly used in audio applications, motor control, and various signal conditioning circuits that require high gain and low noise performance.

How Does LB1845 Work?

The LB1845 operates as a dual-channel operational amplifier with a focus on low noise and high gain amplification. It amplifies input signals with high accuracy and stability, making it suitable for audio applications and motor control circuits. The amplifier also features internal frequency compensation for ease of use and stability.

How Many Pins does LB1845 have and What are the Functions of the Pinout Configuration?

The LB1845 is housed in a 14-pin DIP (Dual Inline Package) or SOP (Small Outline Package) package. The pinout configuration includes:

  • Non-Inverting Input 1 (+IN1): Non-inverting input pin for channel 1.
  • Inverting Input 1 (-IN1): Inverting input pin for channel 1.
  • Output 1 (OUT1): Output pin for channel 1.
  • Non-Inverting Input 2 (+IN2): Non-inverting input pin for channel 2.
  • Inverting Input 2 (-IN2): Inverting input pin for channel 2.
  • Output 2 (OUT2): Output pin for channel 2.
  • Power Supply (V+ and V-): Positive and negative power supply pins.
  • Offset Null 1 (EN1- and EN1+): Pins for offset null adjustment for channel 1.
  • Offset Null 2 (EN2- and EN2+): Pins for offset null adjustment for channel 2.

What are the Pros and Cons of LB1845?

Pros:

  • Low Noise: Provides low noise amplification, suitable for audio applications.
  • High Gain: Offers high gain amplification for signal conditioning and motor control.
  • Dual-Channel: Features dual channels in a single package, allowing for space-efficient designs.
  • Internal Frequency Compensation: Simplifies circuit design and ensures stability.
  • Wide Supply Voltage Range: Can operate over a wide range of supply voltages.

Cons:

  • Package Options: Limited package options may not be suitable for all design requirements.
  • Availability: Sanyo's LB1845 may have limited availability as it has been acquired by ON Semiconductor.
  • External Components: May require additional external components for optimal performance in certain applications.

Are There Any Equivalents/Alternatives to LB1845 for Recommendation?

  • The TDA7266 from STMicroelectronics is a similar dual-channel audio amplifier with comparable features.
  • Alternatives to the LB1845 include the LM833 from Texas Instruments and the NJM4560 from New Japan Radio (JRC).

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