REF3440-EP Series

Automotive, low-drift, low-power, small-footprint series voltage reference

Catalog

Automotive, low-drift, low-power, small-footprint series voltage reference

Part	Mounting Type	Current - Output	Noise - 0.1Hz to 10Hz	Tolerance	Noise - 10Hz to 10kHz	Voltage - Output (Min/Fixed)	Reference Type	Output Type	Temperature Coefficient	Supplier Device Package	Operating Temperature [Min]	Operating Temperature [Max]	Current - Supply	Package / Case	Voltage - Input [Min]	Voltage - Input [Max]	Qualification	Grade
Texas Instruments REF3425TIDBVR	Surface Mount	10 mA	5 µVp-p	0.05 %	24 çVrms	2.5 V	Series	1.81 mOhm	6 ppm/°C	SOT-23-6	-40 °C	125 °C	95 µA	SOT-23-6	3 V	12 V
Texas Instruments REF3440IDBVR	Surface Mount	10 mA	3.8 ppmp-p	0.05 %	24 çVrms	4.096 V	Series	1.81 mOhm	6 ppm/°C	SOT-23-6	-40 °C	125 °C	95 µA	SOT-23-6	4.596 V	12 V
Texas Instruments REF3425MDBVTEP	Surface Mount	10 mA	5 µVp-p	0.05 %	24 çVrms	2.5 V	Series	1.81 mOhm	6 ppm/°C	SOT-23-6	-55 °C	125 ¯C	95 µA	SOT-23-6	3 V	12 V
Texas Instruments REF3433MDBVTEP	Surface Mount	10 mA	5 µVp-p	0.05 %	24 çVrms	3.3 V	Series	1.81 mOhm	10 ppm/°C	SOT-23-6	-55 °C	125 ¯C	95 µA	SOT-23-6	3.35 V	13 V
Texas Instruments REF3440MDBVTEP	Surface Mount	10 mA	3.8 ppmp-p	0.05 %	24 çVrms	4.096 V	Series	1.81 mOhm	6 ppm/°C	SOT-23-6	-55 °C	125 ¯C	95 µA	SOT-23-6	4.596 V	12 V
Texas Instruments REF3450TIDBVR	Surface Mount	10 mA	3.8 ppmp-p	0.05 %	24 çVrms	5 V	Series	1.81 mOhm	6 ppm/°C	SOT-23-6	-40 °C	125 °C	95 µA	SOT-23-6	5.5 V	12 V
Texas Instruments REF3440SQDBVRQ1	Surface Mount	10 mA	3.8 ppmp-p	0.05 %	24 çVrms	4.096 V	Series	1.81 mOhm	6 ppm/°C	SOT-23-5	-40 °C	125 °C	95 µA	SC-74A SOT-753	4.596 V	12 V	AEC-Q100	Automotive
Texas Instruments REF3440QDBVRQ1	Surface Mount	10 mA	3.8 ppmp-p	0.05 %	24 çVrms	4.096 V	Series	1.81 mOhm	6 ppm/°C	SOT-23-6	-40 °C	125 °C	95 µA	SOT-23-6	4.596 V	12 V	AEC-Q100	Automotive
Texas Instruments REF3433SQDBVRQ1	Surface Mount	10 mA	5 µVp-p	0.05 %	24 çVrms	3.3 V	Series	1.81 mOhm	6 ppm/°C	SOT-23-5	-40 °C	125 °C	95 µA	SC-74A SOT-753	3.8 V	12 V	AEC-Q100	Automotive
Texas Instruments REF3425SQDBVRQ1	Surface Mount	10 mA	5 µVp-p	0.05 %	24 çVrms	2.5 V	Series	1.81 mOhm	6 ppm/°C	SOT-23-5	-40 °C	125 °C	95 µA	SC-74A SOT-753	3 V	12 V	AEC-Q100	Automotive

Catalog

Automotive, low-drift, low-power, small-footprint series voltage reference

Key Features

• AEC-Q100 qualified with the following results:Device temperature grade 1: –40°C to +125°C ambient operating temperatureDevice HBM ESD classification level 2Device CDM ESD classification level C6Initial accuracy: ±0.05% (maximum)Temperature coefficient : 6 ppm/°C (maximum)Operating temperature range: −40°C to +125°COutput voltage options: 2.5V, 3.0V, 3.3V, 4.096V, 5.0VOutput current: ±10 mALow quiescent current: 95 µA (maximum)Low shutdown mode current: 3 µA (maximum)Wide input voltage: 12 VOutput 1/f noise (0.1 Hz to 10 Hz): 3.8 µVPP/VExcellent long-term stability 25 ppm/1000 hrsAvailable in 6-pin and 5-Pin SOT-23 package and 8-pin MSOP packageAEC-Q100 qualified with the following results:Device temperature grade 1: –40°C to +125°C ambient operating temperatureDevice HBM ESD classification level 2Device CDM ESD classification level C6Initial accuracy: ±0.05% (maximum)Temperature coefficient : 6 ppm/°C (maximum)Operating temperature range: −40°C to +125°COutput voltage options: 2.5V, 3.0V, 3.3V, 4.096V, 5.0VOutput current: ±10 mALow quiescent current: 95 µA (maximum)Low shutdown mode current: 3 µA (maximum)Wide input voltage: 12 VOutput 1/f noise (0.1 Hz to 10 Hz): 3.8 µVPP/VExcellent long-term stability 25 ppm/1000 hrsAvailable in 6-pin and 5-Pin SOT-23 package and 8-pin MSOP package

Description

The REF34-Q1 devices are low-temperature-drift (6 ppm/°C), low-power, high-precision CMOS voltage references. The devices have ±0.05% initial accuracy and low operating current with power consumption less than 95 µA. These devices also offer very low output noise of 3.8 µVPP/V, which enable the devices to maintain high signal integrity with high-resolution data converters and noise critical systems. Stability and system reliability are further improved by the low output-voltage hysteresis of these devices and low long-term output voltage drift. Furthermore, the small size and low operating current of the devices (95 µA) make them an excellent choise for battery-powered applications. The REF34-Q1 features an enable pin that can set the device into shutdown where it consumes a low stand by current (3 µA) to help with overall system power during standby. The REF34-Q1 family is specified for the wide temperature range of −40°C to +125°C. Contact the TI sales representative for additional voltage options. The REF34-Q1 devices are low-temperature-drift (6 ppm/°C), low-power, high-precision CMOS voltage references. The devices have ±0.05% initial accuracy and low operating current with power consumption less than 95 µA. These devices also offer very low output noise of 3.8 µVPP/V, which enable the devices to maintain high signal integrity with high-resolution data converters and noise critical systems. Stability and system reliability are further improved by the low output-voltage hysteresis of these devices and low long-term output voltage drift. Furthermore, the small size and low operating current of the devices (95 µA) make them an excellent choise for battery-powered applications. The REF34-Q1 features an enable pin that can set the device into shutdown where it consumes a low stand by current (3 µA) to help with overall system power during standby. The REF34-Q1 family is specified for the wide temperature range of −40°C to +125°C. Contact the TI sales representative for additional voltage options.