LM1971M

有效庫存7,230

Ideal for audio amplifier circuits

  • 製造商零件號 # : LM1971M

  • 包裝/封裝: SOIC (D)-8

  • 零件狀態 : ACTIVE

  • 製造商: Texas Instruments

  • 產品分類 : Audio Special Purpose

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服務與包裝

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About After Sales Service

All Parts Extended Quality Guarantee

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例子

捲帶式

捲帶式

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管或託盤

管或託盤

LM1971M 數據表

價格 (USD)

數量 單價 總價
1 $6.694 $6.69
200 $2.591 $518.20
500 $2.499 $1,249.50
1000 $2.455 $2,455.00

這些價格會受到市場波動的影響,需要提交報價才能取得最新價格。

快速報價

請提交詢價 LM1971M 或發送電子郵件給我們: Email: [email protected], 我們將在 12 小時內與您聯繫。

詳細說明

The LM1971M from Texas Instruments is a versatile and precise digitally controlled potentiometer designed for a wide range of applications. With 64 resistive elements integrated into its design, this digital potentiometer offers exceptional accuracy and resolution for precise signal conditioning tasks. Its serial interface allows for seamless integration into various electronic systems, making it a convenient choice for engineers and designers alike. Whether used in audio equipment, instrumentation, or communication systems, the LM1971M delivers consistent and reliable performance. Furthermore, its compact size and low power consumption make it ideal for portable and battery-operated devices where space and energy efficiency are paramount

主要特徵

  • Linear voltage regulation
  • Low dropout voltage and noise
  • Wide operating temperature range

應用

  • Performs well in mixers
  • Provides precise sound control
  • Customizable volume settings

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 1 Power supply (V) 4.5 to 15
Gain & attenuation (dB) 0dB to -62dB with 1.0dB steps THD + N at 1 kHz (%) 0.0008
Dynamic range (dB) 115 Operating temperature range (°C) -40 to 85
Features 1 Channel, Digitally controlled audio attenuator

常見問題解答

What is LM1971M?

The LM1971M is a digitally controlled precision attenuator designed by Texas Instruments. It is suitable for high-fidelity audio systems, professional audio equipment, and electronic test and measurement applications, where accurate volume control and signal attenuation are critical.

How Does LM1971M Work?

The LM1971M utilizes a digitally controlled resistor network to attenuate the input signal with high precision and low distortion. The digital control interface allows for accurate and repeatable level adjustments, providing a flexible and reliable volume control solution for audio and instrumentation systems.

How Many Pins does LM1971M have and What are the Functions of the Pinout Configuration?

The LM1971M is housed in a 16-pin SOIC (Small Outline Integrated Circuit) package. The pinout configuration includes:

  • V+: Positive power supply pin.
  • V-: Negative power supply pin.
  • VG: Analog ground pin.
  • VDD: Digital supply voltage pin.
  • VSS: Digital ground pin.
  • CLK, DATA, CS: Digital control interface pins for setting the attenuation level.
  • AOUT: Attenuated output pin.
  • AUXADC: Auxiliary analog to digital converter reference output pin.

What are the Pros and Cons of LM1971M?

Pros:

  • High Precision: Provides accurate and repeatable level control for precise signal attenuation.
  • Low Distortion: Maintains signal integrity with low distortion, suitable for high-fidelity audio applications.
  • Digital Control: Offers flexible and convenient digital control interface for setting attenuation levels.
  • Wide Supply Voltage Range: Operates over a wide supply voltage range for versatile system integration.
  • Compact Package: The 16-pin SOIC package offers space-efficient and robust packaging.

Cons:

  • Potential for Digital Noise: Careful PCB layout and grounding may be required to minimize digital noise in the system.
  • Complexity: Requires digital interface control, which may add complexity to the system design.

Are There Any Equivalents/Alternatives to LM1971M for Recommendation?

  • The PGA2311 from Texas Instruments is a similar digitally controlled precision attenuator with additional features.
  • Alternatives to the LM1971M include the DS1804 from Maxim Integrated and the X9C103S from Renesas Electronics.

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