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AD8021AR-REEL7 数据表(PDF) 5 Page - Analog Devices |
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AD8021AR-REEL7 数据表(HTML) 5 Page - Analog Devices |
5 / 20 page REV. D AD8021 –5– CAUTION ESD (electrostatic discharge) sensitive device. Electrostatic charges as high as 4000 V readily accumulate on the human body and test equipment and can discharge without detection. Although the AD8021 features proprietary ESD protection circuitry, permanent damage may occur on devices subjected to high energy electrostatic discharges. Therefore, proper ESD precautions are recommended to avoid performance degradation or loss of functionality. ABSOLUTE MAXIMUM RATINGS 1 Supply Voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26.4 V Power Dissipation . . . . . . . . Observed Power Derating Curves Input Voltage (Common-Mode) . . . . . . . . . . . . . . . ±VS ± 1 V Differential Input Voltage 2 . . . . . . . . . . . . . . . . . . . . . . ±0.8 V Differential Input Current . . . . . . . . . . . . . . . . . . . . . ±10 mA Output Short-Circuit Duration . . . . . . . . . . . . . . . . . . . . . .Observed Power Derating Curves Storage Temperature . . . . . . . . . . . . . . . . . . –65 ∞C to +125∞C Operating Temperature Range . . . . . . . . . . . –40 ∞C to +85∞C Lead Temperature Range (Soldering, 10 sec) . . . . . . . . 300 ∞C NOTES 1 Stresses above those listed under Absolute Maximum Ratings may cause perma- nent damage to the device. This is a stress rating only and functional operation of the device at these or any other conditions above those indicated in the operational section of this specification is not implied. Exposure to absolute maximum rating conditions for extended periods may affect device reliability. 2 The AD8021 inputs are protected by diodes. Current-limiting resistors are not used in order to preserve the low noise. If a differential input exceeds ±0.8 V, the input current should be limited to ±10 mA. MAXIMUM POWER DISSIPATION The maximum power that can be safely dissipated by the AD8021 is limited by the associated rise in junction temperature. The maxi- mum safe junction temperature for plastic encapsulated devices is determined by the glass transition temperature of the plastic, approximately 150 ∞C. Temporarily exceeding this limit may cause a shift in parametric performance due to a change in the stresses exerted on the die by the package. Exceeding a junction tempera- ture of 175 ∞C for an extended period can result in device failure. While the AD8021 is internally short-circuit protected, this may not be sufficient to guarantee that the maximum junction tem- perature (150 ∞C) is not exceeded under all conditions. To ensure proper operation, it is necessary to observe the maximum power derating curves. PIN CONFIGURATION 8 7 6 5 1 2 3 4 LOGIC REFERENCE –IN +IN –VS DISABLE +VS VOUT CCOMP AD8021 AMBIENT TEMPERATURE ( C) 2.0 1.5 1.0 0.5 0.01 –55 –45 –35 –25 –15 –5 5 15 25 35 45 55 65 75 85 8-LEAD SOIC 8-LEAD MSOP Figure 2. Maximum Power Dissipation vs. Temperature* *Specification is for device in free air: 8-Lead SOIC: JA = 125 ∞C/W 8-Lead MSOP: JA = 145 ∞C/W PIN FUNCTION DESCRIPTIONS Pin No. Mnemonic Function 1 LOGIC REFERENCE Reference for Pin 8 * Voltage Level. Connect to logic low supply. 2 –IN Inverting Input 3 +IN Noninverting Input 4–VS Negative Supply Voltage 5CCOMP Compensation Capacitor. Tie to –VS. (See the Applications section for value.) 6VOUT Output 7+VS Positive Supply Voltage 8 DISABLE Disable, Active Low * *When Pin 8 (DISABLE) is about 2 V or more higher than Pin 1 (LOGIC REFERENCE), the part is enabled. When Pin 8 is brought down to within about 1.5 V of Pin 1, the part is disabled. (See the Specification tables for exact disable and enable voltage levels.) If the disable feature is not going to be used, Pin 8 can be tied to +VS or a logic high source, and Pin 1 can be tied to ground or logic low. Alterna- tively, if Pin 1 and Pin 8 are not connected, the part will be in an enabled state. ORDERING GUIDE Model Temperature Range Package Description Package Outline Branding AD8021AR –40 ∞C to +85∞C 8-Lead SOIC R-8 AD8021AR-REEL –40 ∞C to +85∞C 8-Lead SOIC R-8 AD8021AR-REEL7 –40 ∞C to +85∞C 8-Lead SOIC R-8 AD8021ARM –40 ∞C to +85∞C 8-Lead MSOP RM-8 HNA AD8021ARM-REEL –40 ∞C to +85∞C 8-Lead MSOP RM-8 HNA AD8021ARM-REEL7 –40 ∞C to +85∞C 8-Lead MSOP RM-8 HNA AD8021ARZ * –40 ∞C to +85∞C 8-Lead SOIC R-8 AD8021ARZ-REEL * –40 ∞C to +85∞C 8-Lead SOIC R-8 AD8021ARZ-REEL7 * –40 ∞C to +85∞C 8-Lead SOIC R-8 *Z = Lead Free |
类似零件编号 - AD8021AR-REEL7 |
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类似说明 - AD8021AR-REEL7 |
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