REF54250 Series

0.8ppm/°C drift (max), 0.11ppmp-p 1/f noise, 380μA current precision voltage reference

Catalog

0.8ppm/°C drift (max), 0.11ppmp-p 1/f noise, 380μA current precision voltage reference

Part	Supplier Device Package	Current - Output	Voltage - Output (Min/Fixed)	Noise - 10Hz to 10kHz	Mounting Type	Temperature Coefficient	Current - Supply	Noise - 0.1Hz to 10Hz	Tolerance	Reference Type	Output Type	Operating Temperature [Max]	Operating Temperature [Min]	Voltage - Input [Max]	Voltage - Input [Min]	Package / Case	Package / Case [y]	Package / Case [x]
Texas Instruments REF54250CDR	8-SOIC	10 mA	2.5 V	0.7 ppmrms	Surface Mount	0.8 ppm/°C	380 µA	0.45 ppmp-p	0.02 %	Series	1.81 mOhm	70 °C	0 °C	18 V	2.9 V	8-SOIC	3.9 mm	0.154 in
Texas Instruments REF54410CDR	8-SOIC	10 mA	4.096 V	0.7 ppmrms	Surface Mount	0.8 ppm/°C	380 µA	0.45 ppmp-p	0.02 %	Series	1.81 mOhm	70 °C	0 °C	18 V	4.496 V	8-SOIC	3.9 mm	0.154 in

Catalog

0.8ppm/°C drift (max), 0.11ppmp-p 1/f noise, 380μA current precision voltage reference

Key Features

• Low temperature drift coefficient:0.8ppm/°C maximum (C grade, 0°C to 70°C)1.5ppm/°C maximum (Q grade, –40°C to 125°C)Low noise (0.1Hz to 10Hz):0.11ppmp-p with CNR = 100µF0.45ppmp-p with CNR = OpenHigh accuracy: ±0.02% maximumLow quiescent current: 380µA maximumLow long-term stability (1k hr): 25ppmDesigned for a wide range of applications:Wide input voltage up to 18VOutput current: ±10mAVoltage options: 2.5V, 3V, 4.096V, 4.5V, 5VFit for all design requirement:Stable with 1µF to 100µF output low-ESR capacitorHigh PSRR: 100dB at 1kHzOperating temperature range: −40°C to +125°CPin-to-pin toREF50xxfamily when TEMP pin is not usedLow temperature drift coefficient:0.8ppm/°C maximum (C grade, 0°C to 70°C)1.5ppm/°C maximum (Q grade, –40°C to 125°C)Low noise (0.1Hz to 10Hz):0.11ppmp-p with CNR = 100µF0.45ppmp-p with CNR = OpenHigh accuracy: ±0.02% maximumLow quiescent current: 380µA maximumLow long-term stability (1k hr): 25ppmDesigned for a wide range of applications:Wide input voltage up to 18VOutput current: ±10mAVoltage options: 2.5V, 3V, 4.096V, 4.5V, 5VFit for all design requirement:Stable with 1µF to 100µF output low-ESR capacitorHigh PSRR: 100dB at 1kHzOperating temperature range: −40°C to +125°CPin-to-pin toREF50xxfamily when TEMP pin is not used

Description

The REF54 is a family of high precision, low-drift, low current consumption series voltage reference devices. The REF54 family offers low temperature drift coefficient (0.8ppm/°C), low noise (0.11ppmp-p) and high accuracy (±0.02%) while consuming 260µA current. The REF54 with low long-term drift (25ppm), excellent load and line regulation helps meet strict performance requirements of high precision applications. The device family is designed as a companion device for high-resolution data converters such asADS8900B,ADS127L11,ADS1285andDAC11001B. The REF54 family supports wide supply voltage rating of 18 V. This also protects the device in case of power supply IC failure. The REF54 device supports up to 10mA load current. The wide load current support allows for direct connection of REF54 as power supply to precision sensors. The REF54 is specified for the two temperature ranges, C grade is specified for 0°C to 70°C and Q grade is specified for –40°C to +125°C . The wide temperature range enables operation across various industrial applications. The REF54 is a family of high precision, low-drift, low current consumption series voltage reference devices. The REF54 family offers low temperature drift coefficient (0.8ppm/°C), low noise (0.11ppmp-p) and high accuracy (±0.02%) while consuming 260µA current. The REF54 with low long-term drift (25ppm), excellent load and line regulation helps meet strict performance requirements of high precision applications. The device family is designed as a companion device for high-resolution data converters such asADS8900B,ADS127L11,ADS1285andDAC11001B. The REF54 family supports wide supply voltage rating of 18 V. This also protects the device in case of power supply IC failure. The REF54 device supports up to 10mA load current. The wide load current support allows for direct connection of REF54 as power supply to precision sensors. The REF54 is specified for the two temperature ranges, C grade is specified for 0°C to 70°C and Q grade is specified for –40°C to +125°C . The wide temperature range enables operation across various industrial applications.