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The MAX6225/MAX6241/MAX6250 are low-noise, preci-sion voltage references with extremely low 1ppm/°C temperature coefficients and excellent ±0.02% initial accuracy. These devices feature buried-zener technolo-gy for lowest noise performance. Load-regulation speci-fications are guaranteed for source and sink currents up to 15mA. Excellent line and load regulation and low output impedance at high frequency make them ideal for high-resolution data-conversion systems up to 16 bits. The MAX6225 is set for 2.500V output, the MAX6241 is set for 4.096V output, and the MAX6250 is set for 5.000V output. All three provide for the option of exter-nal trimming and noise reduction.
MAX6250 Maximum Ratings
(Voltages Referenced to GND) IN..............................................................................-0.3V to +40V Operating Temperature Ranges OUT, TRIM ...............................................................-0.3V to +12V MAX62_ _ _C_ A.....................................................0 to +70 NR..............................................................................-0.3V to +6V MAX62_ _ _E_ A..................................................-40 to +85 OUT Short Circuit to GND Duration (VIN 12V)..........Continuous MAX62_ _ _MJA................................................-55 to +125 OUT Short Circuit to GND Duration (VIN 40V) ....................5sec Storage Temperature Range ..............................-65 to +150 OUT Short Circuit to IN Duration (VIN 12V) ..............Continuous Lead Temperature (soldering, 10sec)...............................+300 Continuous Power Dissipation (TA = +70) Plastic DIP (derate 9.09mW/ above +70)................727mW SO (derate 5.88mW/ above +70)............................471mW CERDIP (derate 8.00mW/ above +70)....................640mW
MAX6250 Features
Low 1.0ppm/ Temperature Coefficient Very Low 1.5Vp-p Noise (0.1Hz to 10Hz) ±0.02% Initial Accuracy ±15mA Output Source and Sink Current Low, 18mW Power Consumption (MAX6225) Industry-Standard Pinout Optional Noise Reduction and Voltage Trim Excellent Transient Response 8-Pin SO Package Available Low 20ppm/1000h Long-Term Stability Stable for All Capacitive Loads
MAX6250 Typical Application
High-Resolution Analog-to-Digital and Digital-to-Analog Converters High-Accuracy Reference Standard High-Accuracy Industrial and Process Control Digital Voltmeters ATE Equipment Precision Current Sources