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DS4303R+T Datasheet(PDF) 1 Page - Maxim Integrated Products |
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DS4303R+T Datasheet(HTML) 1 Page - Maxim Integrated Products |
1 / 8 page General Description The DS4303 is a nonvolatile (NV) sample and infinite- hold adjustable voltage reference. The reference volt- age is programmed in-circuit during factory calibration/ programming. Programming the reference voltage, VOUT, is as simple as applying the desired voltage on VIN and toggling the adjust pin (ADJ) to lock the VOUT voltage level indefinitely, even if the device is power cycled. The DS4303 replaces current cumbersome fac- tory adjustment arrangements with a low-cost solution that can be adjusted using automated techniques. In addition, the DS4303 has the ability to be readjusted after the unit has been fully assembled and tested. This results in a much more flexible manufacturing arrange- ment, lower inventory costs, and a quicker time-to-market. Applications Power-Supply Calibration Threshold Setting Offset Nulling Bias Adjusting Power Amps Pressure Bridges Factory-Calibrated Equipment Features ♦ Precise Electronically Adjustable Voltage Reference ♦ Enables Automated Factory Trimming of Devices Needing Voltage Adjustment ♦ Can be Adjusted to Within ±1mV ♦ Wide Adjustable Output Voltage Range Within 300mV of the Supply Rails ♦ Low Temperature Coefficient ♦ ±1mA of Output-Current Drive ♦ NV Memory Stores the Voltage Indefinitely ♦ Output Short-Circuit Protection ♦ Low Cost ♦ Low Power Consumption ♦ 2.4V to 3.6V Single-Supply Operation ♦ Small 5-Lead SOT23 Package Voltage Sample and Infinite Hold ______________________________________________ Maxim Integrated Products 1 GND VOUT VIN 15 VCC ADJ DS4303 SOT23 TOP VIEW 2 34 Pin Configuration Ordering Information SHUNT VOLTAGE REFERENCE ACCESS FOR AUTOMATED ALIGNMENT REFERENCE VOLTAGE REFERENCE VOLTAGE HAND SELECTED 0.1% RESISTOR OR MECHANICAL POT EXISTING SOLUTION DS4303 SOLUTION DS4303 VCC GND VOUT VIN ADJ VCC Typical Operating Circuit Rev 0; 3/05 For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at 1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com. PART TEMP RANGE PIN- PACKAGE SOT MARK DS4303R/T&R -40 °C to +85°C SOT23-5 4303 DS4303R+T&R -40 °C to +85°C SOT23-5 4303+ +Denotes lead-free package. |
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