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    Part Img PCM1742KE datasheet by Texas Instruments

    • 24 Bit, 192 kHz Sampling Enhanced Multilevel, Delta-Sigma, Audio Digital-to-Analog Converter
    • Original
    • Yes
    • Yes
    • Active
    • EAR99
    • 8542.39.00.01
    • 8542.39.00.00

    PCM1742KE datasheet preview

    PCM1742KE Price & Stock

    Distributor Stock Lead Time Min Order Qty Price Buy
    DigiKey () 24 1
    • 1 $4.74
    • 10 $3.61
    • 100 $3.01
    • 1000 $2.70
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    • 1 $4.74
    • 10 $3.61
    • 100 $3.01
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    300
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    • 10000 $3.23
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    150
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    • 10000 $3.05
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    2,000
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    Mouser Electronics () 125
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    Verical () 44,000 138
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    1,794 138
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    Quest Components () 201
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    88
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    • 10 $4.46
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    28
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    • 10 $2.73
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    • 1000 $2.48
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    Rochester Electronics () 23,913 1
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    49,794 1
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    Chip One Stop 72 0 Weeks, 1 Days 1
    • 1 $5.41
    • 10 $4.18
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    Vyrian 835
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    Win Source Electronics () 31,965
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    • 100 $1.47
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    31,950
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    31,940
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    31,930
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    31,920
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    2,000
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    • 100 $1.11
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    PCM1742KE Frequently Asked Questions (FAQs)

    • The recommended power-up sequence is to apply VCC first, followed by AVCC, and then DVCC. This ensures that the internal voltage regulators are powered up correctly.
    • To optimize the PCB layout, keep the analog and digital grounds separate, use a solid ground plane, and place the analog components close to the PCM1742KE. Also, use a low-impedance path for the clock signal and keep the clock signal away from the analog signals.
    • The maximum clock frequency that can be used with the PCM1742KE is 256 fs (where fs is the sampling frequency). However, it's recommended to use a clock frequency of 128 fs or lower to ensure optimal performance.
    • To configure the PCM1742KE for master clock mode, set the MCLK pin to the desired clock frequency, and set the BCK pin to the bit clock frequency (typically 64 fs). Also, set the LRCK pin to the word clock frequency (typically fs).
    • The recommended termination for the digital output pins is a 50-ohm resistor to ground, with a 10-pF capacitor in parallel to filter out high-frequency noise.
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