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LM1971

PinoutSpecificationsTHD0.0008 %SNR115 dBSpecial Features1 Channel, Digitally controlled audio attenuatorSupply Min4.5 VoltSupply Max15 VoltEquivalent Input Noise4 uV/root(Hz)Interface TypeSerialTemperature Min-40 deg CTemperature Max85 deg C View Using CatalogDescriptionThe LM1971 is a digitally c...

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SeekIC No. : 004394732 Detail

LM1971: PinoutSpecificationsTHD0.0008 %SNR115 dBSpecial Features1 Channel, Digitally controlled audio attenuatorSupply Min4.5 VoltSupply Max15 VoltEquivalent Input Noise4 uV/root(Hz)Interface TypeSerialTemp...

LM1971 Data Sheet

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Part Number:
LM1971
Supply Ability:
5000

Price Break

  • Qty
  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Upload time: 2024/4/28

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Product Details

Description



Pinout




Specifications

THD0.0008 %
SNR115 dB
Special Features1 Channel, Digitally controlled audio attenuator
Supply Min4.5 Volt
Supply Max15 Volt
Equivalent Input Noise4 uV/root(Hz)
Interface TypeSerial
Temperature Min-40 deg C
Temperature Max85 deg C
View Using Catalog



Description

The LM1971 is a digitally controlled single channel audio attenuator fabricated on a CMOS process. Attenuation is variable in 1 dB steps from 0 dB to -62 dB. A mute function disconnects the input from the output, providing over 100 dB of attenuation.

The performance of the device is exhibited by its ability to change attenuation levels without audible clicks or pops. In addition, the LM1971 features a low Total Harmonic Distortion (THD) of 0.0008%, and a Dynamic Range of 115 dB, making it suitable for digital audio needs. The LM1971 is available in both 8-pin plastic DIP or SO packages.

The LM1971 is controlled by a TTL/CMOS compatible 3-wire serial digital interface. The active low LOAD line enables the data input registers while the CLOCK line provides system timing. Its DATA pin receives serial data on the rising edge of each CLOCK pulse, allowing the desired attenuation setting to be selected.

Reliability Metrics

Part Number Process EFR Reject EFR Sample Size PPM LTA Rejects LTA Device Hours FITS MTTF (Hours)
LM1971M P2CMOS 0 48295 0 1 4172500 2 536440139
LM1971MX P2CMOS 0 48295 0 1 4172500 2 536440139

Note: The Early Failure Rates (EFR) were calculated as point estimate PPM based on rejects and sample size for EFR. The Long Term Failure Rates were calculated at 60% confidence using the Arrhenius equation at 0.7eV activation energy and derating the assumed stress temperature of 150°C to an application temperature of 55°C.

For more information on Reliability Metrics, please click here.





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