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AD1882 bảng dữ liệu(PDF) 10 Page - Analog Devices |
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AD1882 bảng dữ liệu(HTML) 10 Page - Analog Devices |
10 / 16 page Rev. A | Page 10 of 16 | April 2008 AD1882 POWER AND GROUND DVI/O (3.3V) 3 I Connect to the I/O Voltage Used for the HD Audio Controller Signals. DVSS 4, 7 I Digital Supply Return (Ground). DVDD (3.3 V) 9 I Digital Supply Voltage 3.3 V. This is regulated down to DVCORE on Pin 1 to supply the internal digital core internal to the AD1882. AVDD (3.3 V) 25, 38 I CAUTION: DO NOT APPLY 5.0 V TO THESE PINS! Analog supply voltage 3.3 V ONLY. Note: AVDD supplies should be well regulated and filtered as supply noise degrades audio performance. MIC_BIAS_IN 33 I Source Power for Microphone Bias Boost Circuitry. AVSS 26, 42 I Analog Supply Return (Ground). AVSS should be connected to DVSS using a conductive trace under, or close to, the AD1882. Table 6. AD1882 Pin Descriptions (Continued) Mnemonic Pin No. Function Description The symbols used in this table are defined as: I = Input, O = Output, LI = Line level input, LO = Line level output, HP = Output capable of driving headphone load, MIC = Input supports microphones with MIC bias and boost amplifier, SWAP = Outputs can swap L/R channels (typically used to support C/LFE or shared C/LFE function). |
Số phần tương tự - AD1882_15 |
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Mô tả tương tự - AD1882_15 |
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