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REF3450QDBVRQ1

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

Manufacturer:

Texas Instruments, Inc
Mfr.Part #:

REF3450QDBVRQ1
Datasheet:

REF3450QDBVRQ1 Datasheet (PDF)
Series:

Automotive, AEC-Q100, REF34xx
Reference Type:

Series
Output Type:

Fixed
Voltage - Output (Min/Fixed):

5V
EDA/CAD Models:

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Tel: +852 95804164

REF3450QDBVRQ1 General 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 µV_PP/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.

Key Features

AEC-Q100 qualified with the following results:
- Device temperature grade 1: –40°C to +125°C ambient operating temperature
- Device HBM ESD classification level 2
- Device CDM ESD classification level C6
Initial accuracy: ±0.05% (maximum)
Temperature coefficient : 6 ppm/°C (maximum)
Operating temperature range: −40°C to +125°C
Output voltage options: 2.5V, 3.0V, 3.3V, 4.096V, 5.0V
Output current: ±10 mA
Low quiescent current: 95 µA (maximum)
Low shutdown mode current: 3 µA (maximum)
Wide input voltage: 12 V
Output 1/f noise (0.1 Hz to 10 Hz): 3.8 µV_PP/V
Excellent long-term stability 25 ppm/1000 hrs
Available in 6-pin and 5-Pin SOT-23 package and 8-pin MSOP package

Specifications

Category	Integrated Circuits (ICs)Power Management (PMIC)Voltage Reference	Series	Automotive, AEC-Q100, REF34xx
Reference Type	Series	Output Type	Fixed
Voltage - Output (Min/Fixed)	5V	Current - Output	10 mA
Tolerance	±0.05%	Temperature Coefficient	6ppm/°C
Noise - 0.1Hz to 10Hz	3.8µVp-p	Noise - 10Hz to 10kHz	24µVrms
Voltage - Input	6V ~ 12V	Current - Supply	95µA
Operating Temperature	-40°C ~ 125°C (TA)	Mounting Type	Surface Mount
Base Product Number	REF3450

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AVAQ determines and packages all devices based on electrostatic discharge (ESD) and moisture sensitivity level (MSL) protection requirements.

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Ratings and Reviews

L**y 04/05/2024

It's all right, though the claimed resistance does not match the ohmmeter readings.

N**h 03/14/2022

En français : J'avais déjà acheté un produit similaire mais si j'ai acheté un arduino Nano c'est pour sa petitesse que je retrouve "enfin" ici, donc un encombrement minimum. Génial !!!In 't vlaams: ik had vroeger zo één produkte gekocht maar de reden vóór het koop van een Nano is eerst en vooral de afmetingen Eindelijk hier, zo klein kan het niet!. Hoera !!!In english: I already have buyed in the past such similar product, but if I had buyed a Nano, It was for is thickness Here was finally the case. Thanks a lot !

L**n 09/05/2020

Long waiting on receiving order. But its very well

M**n 02/28/2020

I have received the items. I did not manage to test them for now, but I'll come back later with a feed-back