Datenblatt-Suchmaschine für elektronische Bauteile |
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LM4934WL Datenblatt(PDF) 9 Page - National Semiconductor (TI) |
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LM4934WL Datenblatt(HTML) 9 Page - National Semiconductor (TI) |
9 / 39 page Note 2: Absolute Maximum Ratings indicate limits beyond which damage to the device may occur. Operating Ratings indicate conditions for which the device is functional but do not guarantee specific performance limits. Electrical Characteristics state DC and AC electrical specifications under particular test conditions which guarantee specific performance limits. This assumes that the device is within the Operating Ratings. Specifications are not guaranteed for parameters where no limit is given, however, the typical value is a good indication of device performance. Note 3: The maximum power dissipation must be derated at elevated temperatures and is dictated by TJMAX ,θJA, and the ambient temperature, TA. The maximum allowable power dissipation is PDMAX =(TJMAX –TA)/ θ JA or the number given in Absolute Maximum Ratings, whichever is lower. Note 4: Human body model: 100pF discharged through a 1.5k Ω resistor. Note 5: Machine model: 220pF - 240pF discharged through all pins. Note 6: Typicals are measured at 25˚C and represent the parametric norm. Note 7: Limits are guaranteed to National’s AOQL (Average Outgoing Quality Level). Note 8: Datasheet min/max specification limits are guaranteed by design, test, or statistical analysis. Note 9: Shutdown current is measured in a normal room environment. Note 10: Internal DAC only with DAC modes 00 and 01. TABLE 1. Output Noise Output Noise AV DD =5Vand AVDD = 3V. All gains set to 0dB. Units in µV. A - weighted MODE EP LS HP OCL or SE Lineout Units 122 22 11 9 µV 222 22 11 9 µV 322 22 11 9 µV 468 88 46 35 µV 538 48 24 20 µV 629 34 18 15 µV 738 48 24 20 µV TABLE 2. PSRR AV DD =3V PSRR AV DD = 3V. f = 217Hz; Vripple = 200mVp-p; CB = 2.2µF. MODE EP (Typ) LS (Typ) LS (Limit) HP OCL or SE (Typ) HP OCL or SE (Limit) Lineout (Typ) Units 169 71 72 70 dB 2 69 71 677268 70 dB 369 71 72 70 dB 463 62 55 68 dB 569 68 61 69 dB 669 70 64 70 dB 769 68 61 69 dB TABLE 3. PSRR AV DD =5V PSRR AV DD = 5V. All gains set to 0dB. f = 217Hz; Vripple = 200mVp-p; CB = 2.2µF MODE EP (Typ) LS (Typ) HP OCL or SE (Typ) Lineout (Typ) Units 168 72 71 70 dB 268 72 71 70 dB 368 72 71 70 dB 468 66 69 70 dB 568 69 70 70 dB 669 72 71 71 dB 768 69 70 70 dB TABLE 4. Dynamic Range and SNR Dynamic Range and SNR. 3V ≤ AV DD ≤ 5V. All programmable gain set to 0dB. Units in dB. DR (Typ) SNR (Typ) Units LS 95 85 dB Lineout 100 87 dB www.national.com 9 |
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