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ISL28208 Datasheet(PDF) 1 Page - Intersil Corporation |
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ISL28208 Datasheet(HTML) 1 Page - Intersil Corporation |
1 / 25 page 1 40V Precision Single Supply Rail-Rail Output Low Power Operational Amplifiers ISL28108, ISL28208 The ISL28108 and ISL28208 are single and dual low power precision amplifiers optimized for single supply applications. These devices feature a common mode input voltage range extending to 0.5V below the V- rail, a rail-to-rail differential input voltage range for use as a comparator, and rail to rail output voltage swing, which make them ideal for single supply applications where input operation at ground is important. Added features include low offset voltage, and low temperature drift making them the ideal choice for applications requiring high DC accuracy. The output stage is capable of driving large capacitive loads from rail to rail for excellent ADC driving performance. The devices can operate for single or dual supply from 3V (±1.5V) to 40V (±20V) and are fully characterized at ±5V and ±15V. The combination of precision, low power, and small footprint provides the user with outstanding value and flexibility relative to similar competitive parts. Applications for these amplifiers include precision instrumentation, data acquisition, precision power supply control, and industrial control. The ISL28108 single is offered in 8 Ld TDFN, SOIC and MSOP packages. The ISL28208 dual amplifier is offered in 8 Ld TDFN, MSOP, and SOIC packages. All devices are offered in standard pin configurations and operate over the extended temperature range to -40°C to +125°C. Features • Single or Dual Supply, Rail-to-Rail Output and Below Ground (V-) input capability • Rail-to-rail Input Differential Voltage Range for Comparator Applications • Single Supply Range . . . . . . . . . . . . . . . . . . . . . . . . . 3V to 40V • Low Current Consumption (VS = ±5V) . . . . . . . . . . . . . . 165µA • Low Noise Voltage . . . . . . . . . . . . . . . . . . . . . . . . . 15.8nV/ √Hz • Low Noise Current . . . . . . . . . . . . . . . . . . . . . . . . . . . 80fA/ √Hz • Low Input Offset Voltage. . . . . . . . . . . . . . . . . . . . . . . . . 230µV • Superb Temperature Drift - Voltage Offset TC . . . . . . . . . . . . . . . . . . . . . . 0.1µV/°C, Typ • Low Input Bias Current . . . . . . . . . . . . . . . . . . . . . . . -13nA Typ • Operating Temperature Range. . . . . . . . . . .-40°C to +125°C • No Phase Reversal Applications • Precision Instruments • Medical Instrumentation • Data Acquisition • Power Supply Control • Industrial Process Control IN- IN+ RF RREF+ ISL28108 +3V V- V+ RIN- 10kΩ RIN+ 10kΩ - + 100kΩ VREF 100kΩ VOUT LOAD RSENSE SINGLE-SUPPLY, LOW-SIDE CURRENT SENSE AMPLIFIER GAIN = 10 to 40V FIGURE 1. TYPICAL APPLICATION CIRCUIT FIGURE 2. INPUT OFFSET VOLTAGE vs INPUT COMMON MODE VOLTAGE, VS = ±15V INPUT COMMON MODE VOLTAGE (V) -500 -400 -300 -200 -100 0 100 200 300 400 500 13 13.5 14 14.5 15 -16 -15.5 -15 -14.5 -14 +25°C +125°C VS = ±15V -40°C March 17, 2011 FN6935.1 CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures. 1-888-INTERSIL or 1-888-468-3774 |Copyright Intersil Americas Inc. 2011. All Rights Reserved Intersil (and design) is a trademark owned by Intersil Corporation or one of its subsidiaries. All other trademarks mentioned are the property of their respective owners. |
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