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AD8436ARQZ-R7 数据表(PDF) 5 Page - Analog Devices |
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AD8436ARQZ-R7 数据表(HTML) 5 Page - Analog Devices |
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5 / 24 page ![]() Data Sheet AD8436 Rev. B | Page 5 of 24 PIN CONFIGURATION AND FUNCTION DESCRIPTIONS 16 20 15 10 6 AD8436 TOP VIEW (Not to Scale) 11 PIN 1 INDICATOR VEE CAVG VCC OBUFOUT IGND OBUFIN+ OBUFIN– OBUFV+ OUT DNC NOTES 1. DNC = DO NOT CONNECT. DO NOT CONNECT TO THIS PIN. 2. THE EXPOSED PAD CONNECTION IS OPTIONAL. IBUFGN DNC IBUFOUT IBUFIN+ SUM IBUFV+ RMS CCF OGND IBUFIN– 1 5 Figure 3. Pin Configuration, Top View, CP-20-10 Table 3. Pin Function Descriptions, CP-20-10 Pin No. Mnemonic Description 1 DNC Do Not Connect. Used for factory test. 2 RMS AC Input to the RMS Core. 3 IBUFOUT FET Input Buffer Output Pin. 4 IBUFIN– FET Input Buffer Inverting Input Pin. 5 IBUFIN+ FET Input Buffer Noninverting Input Pin. 6 IBUFGN Optional 10 kΩ Precision Gain Resistor. 7 DNC Do Not Connect. Used for factory test. 8 OGND Internal 16 kΩ I-to-V Resistor. 9 OUT RMS Core Voltage or Current Output. 10 VEE Negative Supply Rail. 11 IGND Half Supply Node. 12 OBUFIN+ Output Buffer Noninverting Input Pin. 13 OBUFIN− Output Buffer Inverting Input Pin. 14 OBUFOUT Output Buffer Output Pin. 15 OBUFV+ Power Pin for the Output Buffer. 16 IBUFV+ Power Pin for the Input Buffer. 17 VCC Positive Supply Rail for the RMS Core. 18 CCF Connection for Crest Factor Capacitor. 19 CAVG Connection for Averaging Capacitor. 20 SUM Summing Amplifier Input Pin. EP DNC Exposed Pad Connection to Ground Pad Optional. NOTES 1. DNC = DO NOT CONNECT. DO NOT CONNECT TO THIS PIN. 1 2 3 4 5 6 7 8 9 10 20 19 18 17 16 15 14 13 12 11 DNC RMS IBUFOUT IBUFGN IBUFIN+ IBUFIN– SUM CCF VCC IBUFV+ OBUFIN– OBUFOUT OBUFV+ OUT OGND DNC VEE IGND OBUFIN+ CAVG TOP VIEW (Not to Scale) AD8436 Figure 4. Pin Configuration, RQ-20 Table 4. Pin Function Descriptions, RQ-20 Pin No. Mnemonic Description 1 SUM Summing Amplifier Input Pin. 2 DNC Do Not Connect. Used for factory test. 3 RMS AC Input to the RMS Core. 4 IBUFOUT FET Input Buffer Output Pin. 5 IBUFIN– FET Input Buffer Inverting Input Pin. 6 IBUFIN+ FET Input Buffer Noninverting Input Pin. 7 IBUFGN Optional 10 kΩ Precision Gain Resistor. 8 DNC Do Not Connect. Used for factory test. 9 OGND Internal 16 kΩ I-to-V Resistor. 10 OUT RMS Core Voltage or Current Output. 11 VEE Negative Supply Rail. 12 IGND Half Supply Node. 13 OBUFIN+ Output Buffer Noninverting Input Pin. 14 OBUFIN− Output Buffer Inverting Input Pin. 15 OBUFOUT Output Buffer Output Pin. 16 OBUFV+ Power Pin for the Output Buffer. 17 IBUFV+ Power Pin for the Input Buffer. 18 VCC Positive Supply Rail for the RMS Core. 19 CCF Connection for Crest Factor Capacitor. 20 CAVG Connection for Averaging Capacitor. |
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