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LMV821DBVRG4 Equivalent & Substitute Parts
Part Overview
The LMV821DBVRG4 is a general-purpose operational amplifier manufactured by Texas Instruments, housed in a SOT-23-5 surface mount package. This device features rail-to-rail output capability and is designed for low-power applications requiring single-channel amplification. The part is currently classified as obsolete, necessitating identification of active equivalent and substitute components for ongoing design support and procurement.
Substiute Parts
Key Parameters
| Parameter | Value | Unit |
|---|---|---|
| Amplifier Type | General Purpose | — |
| Number of Circuits | 1 | — |
| Output Type | Rail-to-Rail | — |
| Slew Rate | 1.9 | V/µs |
| Gain Bandwidth Product | 5.5 | MHz |
| Current - Input Bias | 40 | nA |
| Voltage - Input Offset | 1 | mV |
| Current - Supply | 300 | µA |
| Voltage - Supply Span (Min) | 2.5 | V |
| Voltage - Supply Span (Max) | 5.5 | V |
| Operating Temperature | -40 to 85 | °C |
| Mounting Type | Surface Mount | — |
| Package / Case | SC-74A, SOT-753 | — |
| Supplier Device Package | SOT-23-5 | — |
| Product Status | Obsolete | — |
| RoHS Status | ROHS3 Compliant | — |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) | — |
Substitute Part Grouping Explanation
Substitute parts for the LMV821DBVRG4 are classified into two functional groups based on electrical performance and package compatibility:
Group 1: Direct Electrical Equivalents (Same Performance Envelope) Parts LMV821AILT and LMV821ILT maintain identical electrical specifications to the main part: 1.9 V/µs slew rate, 5.5 MHz gain bandwidth product, 300 µA supply current, and 2.5 V to 5.5 V supply voltage range. Both are housed in SOT-23-5 packages and retain the same single-channel general-purpose amplifier architecture. These parts are sourced from STMicroelectronics and carry active product status.
Group 2: Enhanced Performance Alternatives (Higher Performance) Parts LMV721M5/NOPB, LMV721M5X/NOPB, LMV721M7/NOPB, and LMV721M7X/NOPB represent the LMV721 series, which offers improved electrical performance: 5.25 V/µs slew rate, 10 MHz gain bandwidth product, and 1.03 mA supply current. These parts operate within the same supply voltage range (2.2 V to 5.5 V minimum, 5.5 V maximum) and maintain rail-to-rail output capability. Package options include SOT-23-5 (LMV721M5 variants) and SC-70-5 (LMV721M7 variants). All LMV721 series parts carry active product status.
Substitution Criteria: Compatibility is determined by: (1) matching amplifier type and circuit count; (2) rail-to-rail output requirement; (3) compatible supply voltage ranges; (4) surface mount package compatibility; (5) operating temperature range coverage; (6) RoHS3 compliance and MSL rating.
Parameter Comparison
| Parameter | LMV821DBVRG4 (Main) | LMV821AILT | LMV821ILT | LMV721M5/NOPB | LMV721M5X/NOPB | LMV721M7/NOPB | LMV721M7X/NOPB |
|---|---|---|---|---|---|---|---|
| Manufacturer | Texas Instruments | STMicroelectronics | STMicroelectronics | Texas Instruments | Texas Instruments | National Semiconductor | Texas Instruments |
| Product Status | Obsolete | Active | Active | Active | Active | Active | Active |
| Amplifier Type | General Purpose | General Purpose | General Purpose | General Purpose | General Purpose | General Purpose | General Purpose |
| Number of Circuits | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| Output Type | Rail-to-Rail | Rail-to-Rail | Rail-to-Rail | Rail-to-Rail | Rail-to-Rail | Rail-to-Rail | Rail-to-Rail |
| Slew Rate (V/µs) | 1.9 | 1.9 | 1.9 | 5.25 | 5.25 | 5.25 | 5.25 |
| Gain Bandwidth Product (MHz) | 5.5 | 5.5 | 5.5 | 10 | 10 | 10 | 10 |
| Current - Input Bias (nA) | 40 | 60 | 60 | 260 | 260 | 260 | 260 |
| Voltage - Input Offset (mV) | 1 | 0.8 | 3.5 | 0.08 | 0.08 | 0.08 | 0.08 |
| Current - Supply (mA) | 0.3 | 0.3 | 0.3 | 1.03 | 1.03 | 1.03 | 1.03 |
| Voltage - Supply Span Min (V) | 2.5 | 2.5 | 2.5 | 2.2 | 2.2 | 2.2 | 2.2 |
| Voltage - Supply Span Max (V) | 5.5 | 5.5 | 5.5 | 5.5 | 5.5 | 5.5 | 5.5 |
| Operating Temperature (°C) | -40 to 85 | -40 to 125 | -40 to 125 | -40 to 85 | -40 to 85 | -40 to 85 | -40 to 85 |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount |
| Package / Case | SC-74A, SOT-753 | SC-74A, SOT-753 | SC-74A, SOT-753 | SC-74A, SOT-753 | SC-74A, SOT-753 | 5-TSSOP, SC-70-5, SOT-353 | 5-TSSOP, SC-70-5, SOT-353 |
| Supplier Device Package | SOT-23-5 | SOT-23-5 | SOT-23-5 | SOT-23-5 | SOT-23-5 | SC-70-5 | SC-70-5 |
| RoHS Status | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | Not specified | ROHS3 Compliant |
| MSL Rating | 1 (Unlimited) | 1 (Unlimited) | 1 (Unlimited) | 1 (Unlimited) | 1 (Unlimited) | Not specified | 1 (Unlimited) |
Engineering Selection Recommendations
For Direct Replacement (Same Electrical Performance): LMV821AILT and LMV821ILT are recommended for applications requiring identical electrical specifications to the obsolete LMV821DBVRG4. Both parts maintain 1.9 V/µs slew rate, 5.5 MHz gain bandwidth product, and 300 µA supply current. LMV821AILT is available in Cut Tape and Digi-Reel packaging (16,555 pcs in stock), while LMV821ILT is supplied in Tape & Reel format (9,021 pcs in stock). Both are ROHS3 compliant with MSL 1 rating. The extended operating temperature range of these STMicroelectronics parts (-40°C to 125°C) provides additional thermal margin compared to the main part (-40°C to 85°C).
For Enhanced Performance Applications: The LMV721 series (LMV721M5/NOPB, LMV721M5X/NOPB, LMV721M7/NOPB, LMV721M7X/NOPB) offers superior performance characteristics: 5.25 V/µs slew rate and 10 MHz gain bandwidth product. These parts are suitable for applications where higher bandwidth and faster transient response are beneficial. LMV721M5X/NOPB offers the highest inventory availability (15,200 pcs) in SOT-23-5 package format. The LMV721M7 variants provide SC-70-5 package options for space-constrained designs. All LMV721 series parts carry active product status and are ROHS3 compliant.
Compliance Considerations: All recommended substitute parts maintain ROHS3 compliance and MSL 1 (Unlimited) moisture sensitivity ratings, ensuring compatibility with standard manufacturing and storage protocols. Supply voltage ranges are compatible across all substitutes, with LMV721 series offering extended minimum supply voltage (2.2 V vs. 2.5 V).
Frequently Asked Questions (FAQ)
Q1: Can LMV821AILT or LMV821ILT be used as direct replacements for LMV821DBVRG4?
A: Yes. LMV821AILT and LMV821ILT maintain identical electrical specifications: 1.9 V/µs slew rate, 5.5 MHz gain bandwidth product, 300 µA supply current, and 2.5 V to 5.5 V supply voltage range. Both are housed in SOT-23-5 packages with identical pinout. The primary difference is packaging format (Cut Tape/Digi-Reel vs. Tape & Reel) and extended operating temperature range (-40°C to 125°C).
Q2: What are the key differences between LMV821 and LMV721 series parts?
A: The LMV721 series provides enhanced performance: 5.25 V/µs slew rate (vs. 1.9 V/µs), 10 MHz gain bandwidth product (vs. 5.5 MHz), and lower input offset voltage (80 µV vs. 1 mV). Supply current is higher at 1.03 mA versus 300 µA. Both series maintain rail-to-rail output and compatible supply voltage ranges. LMV721 is suitable for applications requiring higher bandwidth and faster response.
Q3: Are package differences between SOT-23-5 and SC-70-5 significant for substitution?
A: Yes. SOT-23-5 (LMV721M5 variants) and SC-70-5 (LMV721M7 variants) are physically different packages with different footprints. SC-70-5 is smaller and suitable for space-constrained applications. PCB layout and component placement must accommodate the selected package. Electrical performance is identical between these package variants within the LMV721 series.
Q4: What is the inventory status of substitute parts?
A: LMV821AILT: 16,555 pcs in stock. LMV821ILT: 9,021 pcs in stock. LMV721M5/NOPB: 8,407 pcs in stock. LMV721M5X/NOPB: 15,200 pcs in stock. LMV721M7/NOPB: 1,475 pcs in stock. LMV721M7X/NOPB: 1,359 pcs in stock. All parts are new original stock.
Q5: Do all substitute parts meet RoHS3 compliance requirements?
A: LMV821AILT, LMV821ILT, LMV721M5/NOPB, LMV721M5X/NOPB, and LMV721M7X/NOPB are ROHS3 compliant. LMV721M7/NOPB RoHS status is not specified in available documentation. Verify RoHS compliance with the supplier for LMV721M7/NOPB if required for your application.
Q6: Which substitute part offers the best balance of performance and availability?
A: LMV721M5X/NOPB provides enhanced performance (5.25 V/µs slew rate, 10 MHz bandwidth) with the highest inventory availability (15,200 pcs) in the standard SOT-23-5 package. This part is ROHS3 compliant and carries active product status. For applications requiring identical electrical specifications to the main part, LMV821AILT offers high availability (16,555 pcs) with direct performance matching.
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