Part Details for LM7121IM by Texas Instruments
Results Overview of LM7121IM by Texas Instruments
- Distributor Offerings: (7 listings)
- Number of FFF Equivalents: (2 replacements)
- Tariff Estimator: (Available) NEW
- Number of Functional Equivalents: (2 options)
- CAD Models: (Available)
- Part Data Attributes: (Available)
- Reference Designs: (Not Available)
Tip: Data for a part may vary between manufacturers. You can filter for manufacturers on the top of the page next to the part image and part number.
LM7121IM Information
LM7121IM by Texas Instruments is an Operational Amplifier.
Operational Amplifiers are under the broader part category of Amplifier Circuits.
Amplifier circuits use external power to increase the amplitude of an input signal. They can be used to perform linear amplifications or logarithmic functions. Read more about Amplifier Circuits on our Amplifier Circuits part category page.
Available Datasheets
| Part # | Manufacturer | Description | Datasheet |
|---|---|---|---|
| LM7121IM5/NOPB | Texas Instruments | 175 MHz Low Power Voltage Feedback Amplifier 5-SOT-23 -40 to 85 | |
| LM7121IM | Texas Instruments | 175 MHz Low Power Voltage Feedback Amplifier 8-SOIC -40 to 85 | |
| LM7121IM5X/NOPB | Texas Instruments | 175 MHz Low Power Voltage Feedback Amplifier 5-SOT-23 -40 to 85 |
Price & Stock for LM7121IM
| Part # | Distributor | Description | Stock | Price | Buy | |
|---|---|---|---|---|---|---|
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DISTI #
LM7121IM-ND
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DigiKey | IC VOLTAGE FEEDBACK 1 CIRC 8SOIC Min Qty: 285 Container: Tube |
0 Tube |
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$3.3446 | Buy Now |
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DISTI #
86280654
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Verical | Op Amp Single High Speed Amplifier ±15V/30V 8-Pin SOIC Tube RoHS: Not Compliant Min Qty: 134 Package Multiple: 1 Date Code: 1301 | Americas - 9590 |
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$2.5125 / $2.8000 | Buy Now |
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Quest Components | IC,OP-AMP,SINGLE,BIPOLAR,SOP,8PIN,PLASTIC | 36 |
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$6.6841 / $10.8390 | Buy Now |
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Rochester Electronics | Operational Amplifier, 1 Func, 8000uV Offset-Max, 50MHz Band Width, BIPolar, PDSO8 RoHS: Not Compliant Status: Obsolete Min Qty: 1 | 9591 |
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$1.8900 / $2.3600 | Buy Now |
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DISTI #
86280654
|
Verical | Op Amp Single High Speed Amplifier ±15V/30V 8-Pin SOIC Tube RoHS: Not Compliant Min Qty: 134 Package Multiple: 1 Date Code: 1301 | Americas - 9590 |
|
$2.5125 / $2.8000 | Buy Now |
|
DISTI #
86280654
|
Verical | Op Amp Single High Speed Amplifier ±15V/30V 8-Pin SOIC Tube RoHS: Not Compliant Min Qty: 134 Package Multiple: 1 Date Code: 1301 | Americas - 9590 |
|
$2.5125 / $2.8000 | Buy Now |
|
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Chip Stock | Operational Amplifier, 1 Func, 8000uV Offset-Max, 50MHz Band Width, BIPolar, PDSO8 | 8281 |
|
RFQ |
US Tariff Estimator: LM7121IM 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.
Part Details for LM7121IM
LM7121IM CAD Models
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LM7121IM Part Data Attributes
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LM7121IM
Texas Instruments
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Datasheet
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LM7121IM
Texas Instruments
Operational Amplifier, 1 Func, 8000uV Offset-Max, 50MHz Band Width, BIPolar, PDSO8
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| Pbfree Code | Yes | |
| Part Life Cycle Code | Obsolete | |
| Part Package Code | SOIC | |
| Package Description | 0.150 Inch, Sop-8 | |
| Pin Count | 8 | |
| ECCN Code | EAR99 | |
| HTS Code | 8542.33.00.01 | |
| Date Of Intro | 1995-10-01 | |
| Amplifier Type | Operational Amplifier | |
| Architecture | Voltage-Feedback | |
| Average Bias Current-Max (IIB) | 12 µA | |
| Bandwidth (3dB)-Nom | 50 Mhz | |
| Bias Current-Max (IIB) @25C | 9.5 µA | |
| Common-mode Reject Ratio-Min | 73 Db | |
| Common-mode Reject Ratio-Nom | 93 Db | |
| Frequency Compensation | Yes | |
| Input Offset Current-Max (IIO) | 4.3 µA | |
| Input Offset Voltage-Max | 8000 µV | |
| JESD-30 Code | R-PDSO-G8 | |
| JESD-609 Code | e0 | |
| Length | 4.9 Mm | |
| Low-Bias | No | |
| Low-Offset | No | |
| Micropower | No | |
| Moisture Sensitivity Level | 1 | |
| Neg Supply Voltage Limit-Max | -18 V | |
| Neg Supply Voltage-Nom (Vsup) | -15 V | |
| Number of Functions | 1 | |
| 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 | Tube | |
| Peak Reflow Temperature (Cel) | 235 | |
| Power | No | |
| Programmable Power | No | |
| Qualification Status | Not Qualified | |
| Seated Height-Max | 1.75 Mm | |
| Slew Rate-Nom | 1300 V/Us | |
| Supply Current-Max | 6.6 Ma | |
| Supply Voltage Limit-Max | 18 V | |
| Supply Voltage-Nom (Vsup) | 15 V | |
| Surface Mount | Yes | |
| Technology | Bipolar | |
| Temperature Grade | Industrial | |
| Terminal Finish | Tin/Lead (Sn/Pb) | |
| Terminal Form | Gull Wing | |
| Terminal Pitch | 1.27 Mm | |
| Terminal Position | Dual | |
| Time@Peak Reflow Temperature-Max (s) | Not Specified | |
| Unity Gain BW-Nom | 235000 | |
| Voltage Gain-Min | 710 | |
| Wideband | Yes | |
| Width | 3.9 Mm |
Alternate Parts for LM7121IM
This table gives cross-reference parts and alternative options found for LM7121IM. 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 LM7121IM, 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.
| Part Number | Manufacturer | Composite Price | Description | Compare |
|---|---|---|---|---|
| LM7121IMX | Texas Instruments | Check for Price | Operational Amplifier, 1 Func, 15000uV Offset-Max, BIPolar, PDSO8 | LM7121IM vs LM7121IMX |
| LM7121IMX/NOPB | Rochester Electronics LLC | Check for Price | OP-AMP, 15000 uV OFFSET-MAX, 175 MHz BAND WIDTH, PDSO8, 0.150 INCH, SOP-8 | LM7121IM vs LM7121IMX/NOPB |
LM7121IM Frequently Asked Questions (FAQ)
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Texas Instruments provides a recommended PCB layout in the application note SLVAE04, which includes guidelines for component placement, routing, and grounding to minimize noise and ensure optimal performance.
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The value of Cc depends on the output capacitor (Co) and the desired phase margin. A general guideline is to choose Cc = Co / 10. However, it's recommended to consult the application note SLVAE04 for more detailed guidance on compensation capacitor selection.
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The maximum allowed input voltage for the LM7121IM is 15V. Exceeding this voltage can reduce the device's reliability and lifespan. It's essential to ensure that the input voltage remains within the recommended operating range to maintain the device's performance and reliability.
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During startup, the LM7121IM has a soft-start feature that limits the inrush current. However, it's essential to ensure that the input voltage rises monotonically and that the output capacitor is fully discharged before applying power. Consult the datasheet and application notes for more information on power-up sequencing and startup considerations.
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The LM7121IM has a maximum junction temperature (Tj) of 150°C. To ensure proper heat dissipation, it's essential to provide adequate thermal conduction paths, such as thermal vias and heat sinks, and to follow the recommended PCB layout guidelines. Consult the datasheet and application notes for more information on thermal considerations and heat dissipation.