MAX6012/6021/6025/Precision, Low-Power, Low-Dropout,6030/6041/6045/6050SOT23-3 Voltage ReferencesGeneral DescriptionFeatures The MAX6012/MAX6021/MAX6025/MAX6030/MAX6041/ ● 0.2% (max) Initial Accuracy MAX6045/MAX6050 precision, low-dropout, micropower ● 15ppm/°C (max) Temperature Coefficient voltage references are available in miniature SOT23-3 surface-mount packages. They feature a proprietary ● 35μA (max) Quiescent Supply Current curvature-correction circuit and laser-trimmed thin-film ● 0.8μA/V Supply Current Variation with VIN resistors that result in a low temperature coefficient of ● ±500μA Output Source and Sink Current <15ppm/°C and initial accuracy of better than 0.2%. These devices are specified over the extended tempera- ● 100mV Dropout at 500μA Load Current ture range. ● 0.12μV/μA Load Regulation These series-mode voltage references draw only 27μA ● 8μV/V Line Regulation of quiescent supply current and can sink or source up to ● Stable with CLOAD = 0 to 2.2nF 500μA of load current. Unlike conventional shunt-mode (two-terminal) references that waste supply current and Ordering Information require an external resistor, devices in the MAX6012 family offer a supply current that’s virtually independent PARTTEMP RANGEPIN-TOP of supply voltage (with only a 0.8μA/V variation with PACKAGE MARK supply voltage) and do not require an external resistor. MAX6012 AEUR-T -40°C to +85°C 3 SOT23-3 FZAP Additionally, these internally compensated devices do MAX6012BEUR-T -40°C to +85°C 3 SOT23-3 FZDA not require an external compensation capacitor and are stable with up to 2.2nF of load capacitance. Eliminating MAX6021 AEUR-T -40°C to +85°C 3 SOT23-3 FZAU the external compensation capacitor saves valuable MAX6021BEUR-T -40°C to +85°C 3 SOT23-3 FZDF board area in space-critical applications. Their low drop- MAX6025 AEUR-T -40°C to +85°C 3 SOT23-3 FZAQ out voltage and supply-independent, ultra-low supply MAX6025BEUR-T -40°C to +85°C 3 SOT23-3 FZDB current make these devices ideal for battery-operated, low-voltage systems. MAX6030 AEUR-T -40°C to +85°C 3 SOT23-3 FZDW MAX6030BEUR-T -40°C to +85°C 3 SOT23-3 FZDX ApplicationsMAX6041 AEUR-T -40°C to +85°C 3 SOT23-3 FZAR ● Hand-Held Equipment MAX6041BEUR-T -40°C to +85°C 3 SOT23-3 FZDC ● Data Acquisition Systems MAX6045 AEUR-T -40°C to +85°C 3 SOT23-3 FZAS ● Industrial and Process-Control Systems ● Battery-Operated Equipment MAX6045BEUR-T -40°C to +85°C 3 SOT23-3 FZDD ● Hard-Disk Drives MAX6050 AEUR-T -40°C to +85°C 3 SOT23-3 FZAT Selector Guide MAX6050BEUR-T -40°C to +85°C 3 SOT23-3 FZDE Typical Operating CircuitPARTOUTPUTVOLTAGE (V)INPUT VOLTAGE (V) +SUPPLY INPUT (SEE SELECTOR GUIDE) MAX6012 1.247 2.5 to 12.6 MAX6021 2.048 2.5 to 12.6 IN MAX6025 2.500 (V OUT REFERENCE OUT + 200mV) to 12.6 MAX6012 OUT MAX6021 MAX6030 3.000 (VOUT + 200mV) to 12.6 MAX6025 * MAX6041 4.096 (V MAX6030 OUT + 200mV) to 12.6 MAX6041 MAX6045 4.500 (V MAX6045 OUT + 200mV) to 12.6 MAX6050 MAX6050 5.000 (VOUT + 200mV) to 12.6 2.2nF MAX* GND Pin Configuration appears at end of data sheet. *CAPACITORS ARE OPTIONAL 19-4777; Rev 3; 4/01
