Mainland China, Malaysia, Mexico, Taiwan, Thailand
ECCN Code:
EAR99
HTS Code:
8542.33.00.01
Manufacturer:
Texas Instruments
YTEOL:
15
Amplifier Type:
OPERATIONAL AMPLIFIER
Architecture:
VOLTAGE-FEEDBACK
Average Bias Current-Max (IIB):
0.0001 µA
Bias Current-Max (IIB) @25C:
0.0001 µA
Common-mode Reject Ratio-Min:
76 dB
Common-mode Reject Ratio-Nom:
84 dB
Frequency Compensation:
YES
Input Offset Current-Max (IIO):
0.00005 µA
Input Offset Voltage-Max:
3000 µV
JESD-30 Code:
R-PDSO-G8
JESD-609 Code:
e4
Length:
4.9 mm
Low-Bias:
YES
Low-Offset:
NO
Micropower:
YES
Moisture Sensitivity Level:
3
Neg Supply Voltage Limit-Max:
-18 V
Neg Supply Voltage-Nom (Vsup):
-15 V
Number of Functions:
2
Number of Terminals:
8
Operating Temperature-Max:
85 °C
Operating Temperature-Min:
-40 °C
Package Body Material:
PLASTIC/EPOXY
Package Code:
SOP
Package Equivalence Code:
SOP8,.25
Package Shape:
RECTANGULAR
Package Style:
SMALL OUTLINE
Packing Method:
TR
Peak Reflow Temperature (Cel):
260
Power:
NO
Programmable Power:
NO
Qualification Status:
Not Qualified
Seated Height-Max:
1.75 mm
Slew Rate-Nom:
3.5 V/us
Supply Current-Max:
0.54 mA
Supply Voltage Limit-Max:
18 V
Supply Voltage-Nom (Vsup):
15 V
Surface Mount:
YES
Technology:
BIFET
Temperature Grade:
INDUSTRIAL
Terminal Finish:
Nickel/Palladium/Gold (Ni/Pd/Au)
Terminal Form:
GULL WING
Terminal Pitch:
1.27 mm
Terminal Position:
DUAL
Time@Peak Reflow Temperature-Max (s):
30
Unity Gain BW-Nom:
1000
Voltage Gain-Min:
20000
Wideband:
NO
Width:
3.9 mm
OPA2137U/2K5 Frequently Asked Questions (FAQs)
A good PCB layout for OPA2137U/2K5 involves keeping the input and output traces short and away from each other, using a solid ground plane, and placing decoupling capacitors close to the power pins. A 4-layer PCB with a dedicated analog ground plane is recommended.
The choice of gain resistors depends on the desired gain, input impedance, and noise requirements. A good starting point is to use the gain resistor values recommended in the datasheet, and then adjust them based on simulation and measurement results.
The maximum power dissipation of OPA2137U/2K5 is limited by the package thermal resistance and the ambient temperature. The maximum power dissipation can be calculated using the formula: Pd = (TJ - TA) / θJA, where TJ is the junction temperature, TA is the ambient temperature, and θJA is the junction-to-ambient thermal resistance.
Yes, OPA2137U/2K5 can be used as a unity-gain buffer by connecting the output to the inverting input and using a feedback resistor from the output to the inverting input. However, this configuration may not provide the best noise performance, and a dedicated buffer amplifier may be a better choice.
To protect OPA2137U/2K5 from EMI, use a shielded enclosure, keep the input and output traces short, and use a common-mode choke or ferrite bead on the input and output lines. Additionally, use a low-pass filter or a shielded cable to connect the input and output signals.
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OPA2137U/2K5 Overview
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About Texas Instruments
Texas Instruments (TI) designs and manufactures semiconductors and integrated circuits for a wide range of applications. The company's product portfolio includes analog chips, which are essential for managing power and signal functions in electronic devices, and embedded processors, which serve as the brains in various systems, enabling functionality in everything from industrial equipment to consumer electronics. TI's innovations in semiconductor technology have made it a leader in the industry.
