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AD1843 bảng dữ liệu(PDF) 6 Page - Analog Devices |
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AD1843 bảng dữ liệu(HTML) 6 Page - Analog Devices |
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6 / 64 page  REV. 0 –6– AD1843 POWER SUPPLY (33 Ω HPOUT LOAD) Min Typ Max Units Power Supply Range—Analog VCC 4.75 5.25 V Power Supply Range—Digital VDD 2.85 5.25 V Total Power Supply Current—5.0 VCC and VDD Operating (5.0 VCC and VDD Supplies) 210 250 mA Total Power Supply Current—5.0 VCC/3.0 VDD Operating* (5.0 VCC Analog/3.0 VDD Digital Supplies) 150 175 mA Analog Supply Current—5.0 VCC Operating 60 75 mA Digital Supply Current—5.0 VDD Operating 150 175 mA Digital Supply Current—3.0 VDD Operating* 90 100 mA Digital Power Supply Current—VDD Power Down (PWRDWN LO) 1 mA Analog Power Supply Current—VCC Power Down (PWRDWN LO) 0.5 mA Power Dissipation—5.0 VCC and VDD Operating (Current × Nominal Supply) 1250 mW Power Dissipation—5.0 VCC/3.0 VDD Operating* (Current × Nominal Supply) 875 mW Power Dissipation—5.0 VCC and VDD Power Down (PWRDWN LO) (Current × Nominal Supply) 7.5 mW Power Dissipation—5.0 VCC/3.0 VDD Power Down* (PWRDWN LO) (Current × Nominal Supply) 5mW Power Supply Rejection (100 mV p-p Signal @ 1 kHz)* 40 dB (At Both Analog and Digital Supply Pins, for ADC, DAC1 and DAC2) CLOCK SPECIFICATIONS* Min Typ Max Units Input Crystal/Clock Frequency 24.576 MHz Input Clock Duty Cycle (When an External Clock Is Used Instead of a Crystal) 25/75 75/25 % Initialization Sample Rate Change Time 0 ms PACKAGE CHARACTERISTICS Typ Units PQFP θ JA (Thermal Resistance [Junction-to-Ambient]) 96 °C/W PQFP θ JC (Thermal Resistance [Junction-to-Case]) 8.75 °C/W TQFP θ JA (Thermal Resistance [Junction-to-Ambient]) 30.6 °C/W TQFP θ JC (Thermal Resistance [Junction-to-Case]) 4.6 °C/W NOTES 1The stopband repeats itself at multiples of 64 × F S, where FS is the sampling frequency. Thus the audio mode digital filter will attenuate to –91.8 dB or better across the frequency spectrum except for a range of ± 0.6 × F S wide at multiples of 64 × FS. 2The stopband repeats itself at multiples of 64 × F S, where FS is the sampling frequency. Thus the modem mode digital filter will attenuate to –75.7 dB or better across the frequency spectrum except for a range of ± 0.542 × F S wide at multiples of 64 × FS. 3The stopband repeats itself at multiples of 64 × F S, where FS is the sampling frequency. Thus the resampler mode digital filter will attenuate to –92.2 dB or better across the frequency spectrum except for a range of ± 0.5 × F S wide at multiples of 64 × FS. *Guaranteed, not tested. Specifications subject to change without notice. ABSOLUTE MAXIMUM RATINGS* Min Max Units Power Supplies Digital (VDD) –0.3 6.0 V Analog (VCC) –0.3 6.0 V Input Current (Except Supply Pins) ±10.0 mA Analog Input Voltage (Signal Pins) –0.3 VCC + 0.3 V Digital Input Voltage (Signal Pins) –0.3 VDD + 0.3 V Ambient Temperature (Operating) 0 +70 °C Storage Temperature –65 +150 °C ESD Tolerance (Human Body 1000 V Model per Method 3015.2 of MIL-STD-883B) WARNING! ESD SENSITIVE DEVICE 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 AD1843 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. *Stresses greater than those listed under “Absolute Maximum Ratings” may cause permanent 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. ORDERING INFORMATION Temperature Package Package Model Range Description Option AD1843JS 0 °C to +70°C 80-Lead PQFP S-80 AD1843JST 0 °C to +70°C 100-Lead TQFP ST-100 |
Số phần tương tự - AD1843 |
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Mô tả tương tự - AD1843 |
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