RHF350 STMICROELECTRONICS [STMicroelectronics], RHF350 Datasheet
RHF350
Related parts for RHF350
RHF350 Summary of contents
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... The upper metallic lid is not electrically connected to any Description The RHF350 device is a current feedback operational amplifier that uses very high speed complementary technology to provide a bandwidth 550 MHz while drawing only quiescent current. With a slew rate of 940 V/µs and an output stage optimized for ...
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... Measurement of the negative input current noise iNn . . . . . . . . . . . . . . . 13 4.3 Measurement of the positive input current noise iNp . . . . . . . . . . . . . . . . 13 5 Intermodulation distortion product . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14 6 Inverting amplifier biasing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15 7 Active filtering . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16 8 Package information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17 Ceramic Flat-8S package information Ordering information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19 10 Revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20 2/23 Doc ID 15604 Rev 4 RHF350 ...
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... RHF350 1 Absolute maximum ratings and operating conditions Table 2. Absolute maximum ratings Symbol V Supply voltage CC V Differential input voltage id V Input voltage range in T Storage temperature stg T Maximum junction temperature j R Flat-8 thermal resistance junction to ambient thja R Flat-8 thermal resistance junction to case ...
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... +25 °C CC -55 ° 200 kHz +25 ° +125 °C No load +25 °C -55 °C Doc ID 15604 Rev 4 RHF350 Value Unit 300 krad 110 MeV.cm²/mg (1) Min. Typ. Max. Unit - 0 ...
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... RHF350 Table 5. Electrical characteristics for V Symbol Parameter Dynamic performance and output characteristics R Transimpedance OL Bw Small signal -3 dB bandwidth (2) SR Slew rate V High level output voltage OH V High level output voltage OL I Output sink current sink I Output source current source 1. T < T < worst case of the parameter on a standard sample across the temperature range ...
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... Electrical characteristics Figure 1. Frequency response, positive gain Figure 2. Figure 3. Flatness, gain = +2 Figure 5. Flatness, gain = +10 6/23 Flatness, gain = +1 Figure 4. Flatness, gain = +4 Figure 6. Slew rate 1.50 1.25 1.00 0.75 0.50 Gain = + Load = 100 0.25 0. Doc ID 15604 Rev 4 RHF350 Time (ns) ...
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... RHF350 Figure 7. I sink Figure 9. Input current noise vs. frequency Figure 11. Quiescent current vs Gain = + Input to ground, no load - 0.0 0.5 1 (V) Figure 8. Figure 10. Input voltage noise vs. frequency Figure 12. Noise (+) I CC (-) 1.5 2.0 2.5 Doc ID 15604 Rev 4 Electrical characteristics ...
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... Open loop 200 60 80 100 120 Doc ID 15604 Rev 4 Gain = + Load = 100 100 1k 10k -40 - Temperature (°C) vs. temperature OL -40 - Temperature (°C) RHF350 100k 100 120 100 120 ...
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... RHF350 Figure 19. CMR vs. temperature Load = 100 50 -40 - Temperature (°C) Figure 21. V vs. temperature io 1000 800 600 400 200 Open loop Load = 100 0 -40 - Temperature Figure 23. I vs. temperature ...
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... Considering the values of CC illustrates single power supply configuration. A capacitor C contributes to a high-pass filter with R G Doc ID 15604 Rev 4 10 µ µF + /2), in order to maintain the CC /2. CC //R and its value RHF350 load. can ...
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... RHF350 Figure 25. Circuit for +5 V single supply 10 µ 750 R2 750 + µ Doc ID 15604 Rev 4 Power supply considerations 100 µ F OUT 100 R fb AM00844 11/23 ...
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... Equation 3 2 eNo = 12/23 Figure 4kTR F 4kTR Equation Doc ID 15604 Rev 4 RHF350 Output HP3577 Input noise: 8 nV/ Hz AM00837 ...
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... RHF350 Equation eNo The input noise of the instrumentation must be extracted from the measured noise value. The real output noise value of the driver is: Equation 5 eNo = The input noise is called equivalent input noise because it is not directly measured but is evaluated from the measurement of the output divided by the closed loop gain ( eNo/g ). ...
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... Figure this way, the non-linearity problem of an Doc ID 15604 Rev the fundamental and out sin sin and ( RHF350 n n sin with ...
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... RHF350 Figure 27. Inverting summing amplifier in1 in1 in2 in2 Doc ID 15604 Rev 4 Intermodulation distortion product V V out out 100 100 15/23 ...
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... The aim is to compensate for the offset bias current, which can affect the input offset voltage and the output DC component. Assuming I R is: Equation 11 Figure 28. Compensation of the input bias current 16/ ib- ib ----------------------- - Doc ID 15604 Rev and output, the resistance in fb Output Load AM00839 RHF350 ...
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... RHF350 7 Active filtering Figure 29. Low-pass active filtering, Sallen-Key From the resistors R inverting amplification configuration. Equation 12 We assume the following expression is the response of the system. Equation 13 The cut-off frequency is not gain-dependent and so becomes: Equation 14 The damping factor is calculated by Equation ...
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... In the case of R1 Equation 16 Due to a limited selection of capacitor values in comparison with resistor values, we can set C1 that: Equation 17 18/ -------- 2C – -------------------------------- - -------- 2R R – -------------------------------- - Doc ID 15604 Rev 4 RHF350 ...
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... RHF350 8 Package information In order to meet environmental requirements, ST offers these devices in different grades of ® ECOPACK packages, depending on their level of environmental compliance. ECOPACK specifications, grade definitions and product status are available at: ® ECOPACK trademark. Doc ID 15604 Rev 4 Package information ® www.st.com ...
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... Millimeters Min. Typ. Max. 2.24 2.44 2.64 0.38 0.43 0.48 0.10 0.13 0.16 6.35 6.48 6.61 6.35 6.48 6.61 4.32 4.45 4.58 0.88 1.01 1.14 1.27 3.00 0.66 0.79 0.92 0.92 1.12 1.32 08 Doc ID 15604 Rev 4 RHF350 Inches Min. Typ. Max. 0.088 0.096 0.104 0.015 0.017 0.019 0.004 0.005 0.006 0.250 0.255 0.260 0.250 0.255 0.260 0.170 0.175 0.180 0.035 0.040 0.045 0.050 0.118 0.026 0.031 0.092 0.036 0.044 0.052 08 ...
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... RHF350 9 Ordering information Table 8. Order codes Order code Description Engineering RHF350K1 model RHF350K-01V QMLV-Flight Temperature Package range -55 °C to Flat-8S +125 °C 5962F0723201VXC Doc ID 15604 Rev 4 Ordering information Marking Packing RHF350K1 Conductive strip pack 21/23 ...
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... Changed temperature limits in Added Note: on page 18 and in the "Pin connections" diagram 3 on the coverpage. Updated Table 5 . with values after radiations. 4 Replaced note on page 18 with footnote. Minor corrections throughout document. Doc ID 15604 Rev 4 RHF350 Changes on cover page. on cover page, with full Table 5 . ...
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... RHF350 Information in this document is provided solely in connection with ST products. STMicroelectronics NV and its subsidiaries (“ST”) reserve the right to make changes, corrections, modifications or improvements, to this document, and the products and services described herein at any time, without notice. All ST products are sold pursuant to ST’s terms and conditions of sale. ...