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ML4821 Datasheet(PDF) 3 Page - Micro Linear Corporation |
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ML4821 Datasheet(HTML) 3 Page - Micro Linear Corporation |
3 / 12 page 3 ML4821 Micro Linear ABSOLUTE MAXIMUM RATINGS Absolute maximum ratings are those values beyond which the device could be permanently damaged. Absolute maximum ratings are stress ratings only and functional device operation is not implied. Supply Current (ICC) ................................................ 35mA OUT Current, Source or Sink .................................... 1.0A Output Energy (capacitive load per cycle) .................... 5 µJ ISINE Input Current .................................................. 1.2mA EA OUT Source Current .......................................... 50mA Oscillator Charge Current ......................................... 2mA Input Voltage ...................................... GND –0.3V to 5.5V Junction Temperature .............................................. 150 °C Storage Temperature Range ...................... –65 °C to 150°C Lead Temperature (Soldering 10 sec.) ...................... 260 °C Thermal Resistance ( θJA) Plastic DIP ........................................................ 75 °C/W Plastic SOIC ..................................................... 95 °C/W OPERATING CONDITIONS Temperature Range ML4821CX ................................................. 0 °C to 70°C ML4821IX .............................................. –40 °C to 85°C ELECTRICAL CHARACTERISTICS Unless otherwise specified, RT = 6.2kΩ, CT = 720pF, TA = Operating Temperature Range, VCC = 15V (Notes 1 & 2). PARAMETER CONDITIONS MIN TYP. MAX UNITS OSCILLATOR Initial accuracy TA = 25°C 90 100 110 kHz Voltage stability 12V < VCC < 18V 1 % Temperature stability 2% Total Variation Line, Temperature 85 115 kHz Ramp Valley to Peak 4.7 5.2 5.6 V RT Voltage 4.8 5.0 5.2 V Discharge Current CT= 2V, RT = Open 7.8 8.4 9.3 mA SYNC Input Threshold 1.5 2.0 3.0 V REFERENCE Output Voltage TA = 25°C, IO = 1mA 4.95 5.00 5.05 V Line regulation 12V < VCC < 24V 2 10 mV Load regulation 1mA < IO < 20mA 2 15 mV Temperature stability .4 % Total Variation line, load, temp 4.9 5.1 V Output Noise Voltage 10Hz to 10kHz 50 µV Long Term Stability TA = 125°C, 1000 hrs 5 25 mV Short Circuit Current VREF = 0V –30 –85 –180 mA VOLTAGE ERROR AMPLIFIER Input Offset Voltage 0 –15 mV Input Bias Current –50 –800 nA Open Loop Gain 2 < EA OUT < 6V 60 75 dB PSRR 12V < VCC < 24V 70 100 dB Output Sink Current EA OUT = 4V, INV = 5.5V 300 500 µA Output Source Current EA OUT = 4.0V, INV = 4.8V –10 –30 mA |
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