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AD8003ACPZ-REEL7 bảng dữ liệu(PDF) 6 Page - Analog Devices |
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AD8003ACPZ-REEL7 bảng dữ liệu(HTML) 6 Page - Analog Devices |
6 / 17 page Data Sheet AD8003 Rev. C | Page 5 of 16 ABSOLUTE MAXIMUM RATINGS Table 3. Parameter Rating Supply Voltage 11 V Power Dissipation See Figure 3 Common-Mode Input Voltage −VS − 0.7 V to +VS + 0.7 V Differential Input Voltage ±VS Exposed Paddle Voltage −VS Storage Temperature Range −65°C to +125°C Operating Temperature Range −40°C to +85°C Lead Temperature (Soldering 10 sec) 300°C Junction Temperature 150°C Stresses above those listed under Absolute Maximum Ratings may cause permanent damage to the device. This is a stress rating only; 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. THERMAL RESISTANCE θJA is specified for the worst-case conditions, that is, θJA is specified for device soldered in circuit board for surface-mount packages. Table 4. Thermal Resistance Package Type θJA Unit 24-Lead LFCSP_WQ 70 °C/W Maximum Power Dissipation The maximum safe power dissipation for the AD8003 is limited by the associated rise in junction temperature (TJ) on the die. At approximately 150°C, which is the glass transition temperature, the plastic changes its properties. Even temporarily exceeding this temperature limit may change the stresses that the package exerts on the die, permanently shifting the parametric performance of the AD8003. Exceeding a junction temperature of 175°C for an extended period can result in changes in silicon devices, potentially causing degradation or loss of functionality. The power dissipated in the package (PD) is the sum of the quiescent power dissipation and the power dissipated in the die due to the AD8003 drive at the output. The quiescent power is the voltage between the supply pins (VS) times the quiescent current (IS). PD = Quiescent Power + (Total Drive Power – Load Power) ( ) L 2 OUT L OUT S S S D R V – R V 2 V I V P × + × = RMS output voltages should be considered. If RL is referenced to −VS, as in single-supply operation, the total drive power is VS × IOUT. If the rms signal levels are indeterminate, consider the worst case, when VOUT = VS/4 for RL to midsupply. ( ) ( ) L S S S D R / V I V P 2 4 + × = In single-supply operation with RL referenced to −VS, worst case is VOUT = VS/2. Airflow increases heat dissipation, effectively reducing θJA. In addition, more metal directly in contact with the package leads and exposed paddle from metal traces, through holes, ground, and power planes reduce θJA. Figure 3 shows the maximum safe power dissipation in the package vs. the ambient temperature for the exposed paddle, 4 mm × 4 mm LFCSP_WQ (70°C/W) package on a JEDEC standard 4-layer board. θJA values are approximations. 0 3.0 –55 125 AMBIENT TEMPERATURE (°C) 0.5 1.0 1.5 2.0 2.5 –35 –15 5 25 45 65 85 105 Figure 3. Maximum Power Dissipation vs. Temperature for a 4-Layer Board ESD CAUTION |
Số phần tương tự - AD8003ACPZ-REEL7 |
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Mô tả tương tự - AD8003ACPZ-REEL7 |
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