REF3312AIRSER by Texas Instruments is a Voltage Reference.
Voltage References are under the broader part category of Power Circuits.
A power circuit delivers electricity in order to operate a load for an electronic device. Power circuits include transformers, generators and switches. Read more about Power Circuits on our Power Circuits part category page.
US Tariff Estimator: REF3312AIRSER by Texas Instruments
Calculations from this tool are estimations only for imports into the United States. Please refer to the distributor or manufacturer and reference official US government sources and authorities to verify any final purchase costs.
REF3312AIRSERTexas InstrumentsThree Terminal Voltage Reference, 1 Output, 1.25V, BIPolar, PQCC8
Pbfree Code
Yes
Rohs Code
Yes
Part Life Cycle Code
Active
ECCN Code
EAR99
HTS Code
8542.39.00.90
Date Of Intro
2016-11-22
Analog IC - Other Type
Three Terminal Voltage Reference
Input Voltage-Max
5.5 V
Input Voltage-Min
1.7 V
JESD-30 Code
S-PQCC-N8
JESD-609 Code
e4
Length
1.5 Mm
Moisture Sensitivity Level
1
Number of Functions
1
Number of Outputs
1
Number of Terminals
8
Operating Temperature-Max
125 °C
Operating Temperature-Min
-40 °C
Output Current-Max
0.005 A
Output Voltage-Max
1.251875 V
Output Voltage-Min
1.248125 V
Output Voltage-Nom
1.25 V
Package Body Material
Plastic/Epoxy
Package Code
HQCCN
Package Equivalence Code
LCC8,.06SQ,20
Package Shape
Square
Package Style
Chip Carrier, Heat Sink/Slug
Peak Reflow Temperature (Cel)
260
Seated Height-Max
0.6 Mm
Supply Voltage-Max (Vsup)
5.5 V
Supply Voltage-Min (Vsup)
1.7 V
Supply Voltage-Nom (Vsup)
5 V
Surface Mount
Yes
Technology
Bipolar
Temp Coef of Voltage-Max
30 Ppm/°C
Temperature Grade
Automotive
Terminal Finish
Nickel/Palladium/Gold (Ni/Pd/Au)
Terminal Form
No Lead
Terminal Pitch
0.5 Mm
Terminal Position
Quad
Time@Peak Reflow Temperature-Max (s)
30
Trim/Adjustable Output
No
Voltage Tolerance-Max
0.15%
Width
1.5 Mm
Alternate Parts for REF3312AIRSER
This table gives cross-reference parts and alternative options found for REF3312AIRSER. The Form Fit Function (FFF) tab will give you the options that are more likely to serve as direct pin-to-pin alternates or drop-in parts. The Functional Equivalents tab will give you options that are likely to match the same function of REF3312AIRSER, but it may not fit your design. Always verify details of parts you are evaluating, as these parts are offered as suggestions for what you are looking for and are not guaranteed.
A good PCB layout for the REF3312AIRSER involves keeping the analog and digital grounds separate, using a solid ground plane, and placing the device close to the power supply. Additionally, it's recommended to use a 4-layer PCB with a dedicated analog layer to minimize noise.
The REF3312AIRSER is factory-calibrated, but it's recommended to add an external trim pin (TRIM) to adjust the output voltage to the desired value. The TRIM pin can be connected to a potentiometer or a fixed resistor to fine-tune the output voltage.
The recommended input voltage range for the REF3312AIRSER is 4.5V to 18V. The output voltage remains stable as long as the input voltage is within this range. However, if the input voltage drops below 4.5V, the output voltage may decrease, and if it exceeds 18V, the device may be damaged.
The REF3312AIRSER has a built-in power-on reset (POR) circuit that ensures the device powers up in a controlled manner. The recommended power-up rate is 10mV/μs, and the recommended power-down rate is 1mV/μs. Faster power-up and power-down rates may cause the device to malfunction.
The thermal resistance of the REF3312AIRSER is 34.4°C/W (junction-to-ambient). High temperatures can affect the device's accuracy and stability. It's recommended to keep the device within a temperature range of -40°C to 125°C to ensure optimal performance.
