LMV821IDCKTG4 Texas Instruments Integrated Circuit (SOT23 (5-Pin)) In Stock
Texas Instruments LMV821IDCKTG4 is a low-voltage operational amplifier with 5.5 MHz gain-bandwidth product in a 5-pin SC-70 package. It operates from 3V supply with 70 dB minimum CMRR and 0.1 µA bias current. Available in stock with worldwide shipping.
- Manufacturer
- Texas Instruments
- Package
- SOT23 (5-Pin)
- Pin Count
- 5
- Lifecycle
- OBSOLETE
- Datasheet
- LMV821IDCKTG4 Datasheet PDF
- Category
- Integrated Circuit
- Temp Range
- -40.0°C to 125.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of LMV821IDCKTG4?
- 5.5 MHz gain-bandwidth product enabling audio and signal conditioning applications up to mid-frequency ranges
- 85 dB typical CMRR minimizing common-mode noise rejection in differential measurement circuits
- Ultra-low 0.1 µA bias current at 25°C reducing errors in high-impedance source applications
- 3V single-supply operation compatible with modern low-voltage microcontroller and sensor systems
- Compact 5-pin SC-70 package saving PCB space in size-constrained portable and wearable designs
What is LMV821IDCKTG4 used for?
LMV821IDCKTG4 is used as a signal buffer, active filter, and sensor amplifier in portable consumer electronics, medical wearables, and IoT sensor nodes operating from 3V supplies. Its 5.5 MHz bandwidth supports audio signal processing and transducer amplification in compact handheld devices. Low bias current makes it suitable for high-impedance photodiode and electrochemical sensor front ends where input loading must be minimized.
What are the specifications of LMV821IDCKTG4?
| Pbfree Code | No |
| YTEOL | 0 |
| Amplifier Type | OPERATIONAL AMPLIFIER |
| Architecture | VOLTAGE-FEEDBACK |
| Average Bias Current-Max (IIB) | 0.14 µA |
| Bias Current-Max (IIB) @25C | 0.1 µA |
| Common-mode Reject Ratio-Min | 70dB |
| Common-mode Reject Ratio-Nom | 85dB |
| Frequency Compensation | YES |
| Input Offset Voltage-Max | 5500 µV |
| JESD-30 Code | R-PDSO-G5 |
| JESD-609 Code | e4 |
| Low-Bias | NO |
| Low-Offset | NO |
| Micropower | YES |
| Number of Functions | 1 |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | TSSOP5/6,.08 |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE, THIN PROFILE, SHRINK PITCH |
| Packing Method | TAPE AND REEL |
| Peak Reflow Temperature (Cel) | 260 |
| Power | NO |
| Programmable Power | NO |
| Qualification Status | Not Qualified |
| Slew Rate-Min | 1.4V/us |
| Slew Rate-Nom | 1.7V/us |
| Supply Current-Max | 0.6mA |
| Supply Voltage Limit-Max | 5.5V |
| Supply Voltage-Nom (Vsup) | 2.7V |
| Surface Mount | YES |
| Technology | BIPOLAR |
| Temperature Grade | AUTOMOTIVE |
| Terminal Finish | NICKEL PALLADIUM GOLD |
| Terminal Form | GULL WING |
| Terminal Pitch | 0.65mm |
| Terminal Position | DUAL |
| Time@Peak Reflow Temperature-Max (s) | 30 |
| Unity Gain BW-Nom | 5000 |
| Voltage Gain-Min | 10000 |
| Wideband | NO |
| Package | SOT23 (5-Pin) |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 1 |
| ECCN | EAR99 |
| HTS Code | 8542.33.00.01 |
Where can I find the LMV821IDCKTG4 datasheet?
LMV821IDCKTG4 Datasheet DownloadOfficial datasheet from Texas Instruments
What are equivalent replacements for LMV821IDCKTG4?
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What bandwidth and CMRR does LMV821IDCKTG4 provide for audio filtering applications?
LMV821IDCKTG4 offers a 5.5 MHz gain-bandwidth product and a typical CMRR of 85 dB with a minimum of 70 dB. For audio filtering up to 20 kHz, this bandwidth provides ample gain margin in active low-pass and bandpass filter topologies. The 85 dB CMRR effectively rejects power-supply hum and ground noise common in portable audio circuits operating from a 3V lithium-ion cell.
How does LMV821IDCKTG4's 0.1 µA bias current affect high-impedance sensor circuit design?
With a maximum bias current of 0.14 µA and a typical value of 0.1 µA at 25°C, LMV821IDCKTG4 introduces very low input loading on high-impedance sources such as photodiodes, pH electrodes, and piezoelectric transducers. In a transimpedance amplifier with a 10 MΩ feedback resistor, this bias current contributes only about 1 mV of DC offset error, which is acceptable for many precision sensing applications.
Which package does LMV821IDCKTG4 use and how does it compare to a SOT-23 alternative?
LMV821IDCKTG4 uses a 5-pin SC-70 package, which is approximately 50% smaller in footprint than a standard SOT-23-5 package. For wearable devices, hearing aids, and compact IoT modules where board area is critical, the SC-70 package reduces the op-amp footprint to roughly 2mm x 2mm, freeing space for additional components. The G4 suffix indicates a Green/RoHS-compliant device meeting environmental material restrictions.
Can LMV821IDCKTG4 operate from a 3.3V microcontroller supply in a single-supply sensor interface?
Yes, LMV821IDCKTG4 is specified for 3V operation, making it directly compatible with 3.3V microcontroller rails common in STM32, nRF52, and ESP32 systems. Running from a single 3V supply, the amplifier can buffer resistive bridge sensor outputs or amplify small differential signals with a mid-supply virtual ground, eliminating the need for a dual-supply or charge-pump circuit in space-constrained sensor interface boards.
Related Guides
CSD87313DMS Synchronous Buck Power Stage Design Guide
Design a compact CSD87313DMS synchronous buck stage with practical guidance for loss, gate drive, PCB layout, EMI, thermal validation, and sourcing.
Aug 6, 2026
STEF05SGR eFuse Selection Guide for 5 V Overcurrent Protection
Choose STEF05SGR for 5 V overcurrent protection by checking current-limit margin, inrush, thermal loss, fault response, and sourcing.
Aug 6, 2026
C0402C103K3RACTU Selection Guide: Choosing a 10 nF 0402 MLCC
Select C0402C103K3RACTU by voltage margin, X7R behavior, tolerance, 0402 assembly risk, and qualified alternatives.
Aug 4, 2026
STM32H753VIT6 MCU Selection Guide: Memory, Package, Connectivity, and Security
Choose STM32H753VIT6 by evaluating memory architecture, LQFP-100 pin fit, connectivity, security, power, and sourcing tradeoffs.
Aug 4, 2026
Why Buy from FindMyChip
About Texas Instruments
Texas Instruments (TI) is a global semiconductor company headquartered in Dallas, Texas. TI designs and manufactures analog and embedded processing chips used in industrial, automotive, consumer, communications, and enterprise systems.
More from Texas Instruments
In Stock · 24h Response · Worldwide Shipping
Response within 24 hours · Worldwide shipping
“The anti-counterfeit verification gave us confidence we'd never had with other China suppliers.”
You May Also Like
ACS770ECB-200U-PFF-T
Allegro Microsystems
Integrated Circuit
ACS770KCB-150U-PFF-T
Allegro Microsystems
Integrated Circuit
MC33901WEF
NXP
Integrated Circuit
MC7808BDTRKG
ON Semiconductor
Integrated Circuit
PA94EC
Apex Microtechnology
Integrated Circuit
AP7315-28SR-7
Diodes Inc.
Integrated Circuit
74HCT245D
Nexperia
Integrated Circuit
CY62256VNLL-70ZXCT
Cypress Semiconductor
Integrated Circuit
EPM7032AETC44-4N
Intel
Integrated Circuit
EPM3512AQC208-10N
Intel
Integrated Circuit
EPM3256ATC144-7N
Intel
Integrated Circuit
EPM3256AQC208-7N
Intel
Integrated Circuit
EPM3256AQC208-10N
Intel
Integrated Circuit
EPM3128ATC100-7N
Intel
Integrated Circuit
EPM1270F256C4N
Intel
Integrated Circuit
EPF8282ATC100-4N
Intel
Integrated Circuit
EPF6016QC208-2N
Intel
Integrated Circuit
EPF6016ATC144-3N
Intel
Integrated Circuit
EPF10K30ATC144-3N
Intel
Integrated Circuit
EPC2TI32N
Intel
Integrated Circuit
EPC2LC20
Intel
Integrated Circuit
EP3SL150F1152C4N
Intel
Integrated Circuit
EP2SGX60DF780C5N
Intel
Integrated Circuit
EP2SGX60CF780C5N
Intel
Integrated Circuit