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OPA191 Folha de dados(PDF) 24 Page - Texas Instruments |
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OPA191 Folha de dados(HTML) 24 Page - Texas Instruments |
24 / 53 page Frequency (MHz) 0 20 40 60 80 100 120 10 100 1k 10k 24 OPA191, OPA2191, OPA4191 SBOS701B – DECEMEBER 2015 – REVISED JULY 2019 www.ti.com Product Folder Links: OPA191 OPA2191 OPA4191 Submit Documentation Feedback Copyright © 2015–2019, Texas Instruments Incorporated Feature Description (continued) 8.3.2 EMI Rejection The OPAx191 uses integrated electromagnetic interference (EMI) filtering to reduce the effects of EMI from sources such as wireless communications and densely-populated boards with a mix of analog signal chain and digital components. EMI immunity can be improved with circuit design techniques; the OPAx191 benefits from these design improvements. Texas Instruments has developed the ability to accurately measure and quantify the immunity of an operational amplifier over a broad frequency spectrum extending from 10 MHz to 6 GHz. Figure 53 shows the results of this testing on the OPAx191. Table 2 shows the EMIRR IN+ values for the OPAx191 at particular frequencies commonly encountered in real-world applications. Applications listed in Table 2 may be centered on or operated near the particular frequency shown. Detailed information can also be found in the EMI Rejection Ratio of Operational Amplifiers application report , available for download from www.ti.com. PRF = –10 dBm, VS = ±15 V, VCM = 0 V Figure 53. EMIRR Testing Table 2. OPA191 EMIRR IN+ For Frequencies of Interest FREQUENCY APPLICATION OR ALLOCATION EMIRR IN+ 400 MHz Mobile radio, mobile satellite, space operation, weather, radar, ultra-high frequency (UHF) applications 36 dB 900 MHz Global system for mobile communications (GSM) applications, radio communication, navigation, GPS (to 1.6 GHz), GSM, aeronautical mobile, UHF applications 45 dB 1.8 GHz GSM applications, mobile personal communications, broadband, satellite, L-band (1 GHz to 2 GHz) 57 dB 2.4 GHz 802.11b, 802.11g, 802.11n, Bluetooth®, mobile personal communications, industrial, scientific and medical (ISM) radio band, amateur radio and satellite, S-band (2 GHz to 4 GHz) 62 dB 3.6 GHz Radiolocation, aero communication and navigation, satellite, mobile, S-band 76 dB 5.0 GHz 802.11a, 802.11n, aero communication and navigation, mobile communication, space and satellite operation, C-band (4 GHz to 8 GHz) 86 dB |
Nº de peça semelhante - OPA191_V01 |
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Descrição semelhante - OPA191_V01 |
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