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LMV822IDRG4 Equivalent & Substitute Parts
Part Overview
The LMV822IDRG4 is a general-purpose operational amplifier manufactured by Texas Instruments, featuring dual-channel configuration in an 8-SOIC surface-mount package. This device delivers rail-to-rail output capability with a gain bandwidth product of 5.5 MHz and operates across a 2.5 V to 5.5 V supply range. The LMV822IDRG4 is classified as obsolete, necessitating identification of active equivalent and substitute components for new designs and production continuity. Substitute parts must maintain functional compatibility through matching electrical characteristics and identical package geometry while offering active product status and current manufacturing availability.
Substiute Parts
Key Parameters
| Parameter | Value | Unit |
|---|---|---|
| Amplifier Type | General Purpose | — |
| Number of Circuits | 2 | — |
| 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 | 500 | µA |
| Current - Output / Channel | 45 | mA |
| Voltage - Supply Span (Min) | 2.5 | V |
| Voltage - Supply Span (Max) | 5.5 | V |
| Operating Temperature | -40 to 125 | °C |
| Package / Case | 8-SOIC (0.154", 3.90mm Width) | — |
| Mounting Type | Surface Mount | — |
| RoHS Status | ROHS3 Compliant | — |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) | — |
Substitute Part Grouping Explanation
Substitute parts for the LMV822IDRG4 are selected based on strict electrical and mechanical compatibility criteria. All substitute components must satisfy the following requirements:
Primary Compatibility Criteria:
- Dual-channel general-purpose operational amplifier configuration
- Rail-to-rail output capability
- 8-SOIC surface-mount package with 0.154" (3.90mm) width
- Supply voltage range encompassing 2.5 V to 5.5 V operation
- Operating temperature range of -40°C to 125°C
- ROHS3 compliance and MSL 1 rating
Electrical Parameter Tolerance: Substitute parts must maintain electrical performance within the functional envelope defined by slew rate, gain bandwidth product, input bias current, input offset voltage, supply current, and output current specifications. Parts are grouped into two categories: direct replacements from the LMV822 series offering identical electrical characteristics, and alternative manufacturer solutions providing equivalent functional performance within the specified parameter ranges.
Parameter Comparison
| Part Number | Manufacturer | Product Status | Slew Rate (V/µs) | GBW (MHz) | Input Bias (nA) | Input Offset (mV) | Supply Current (µA) | Output Current (mA) | Temp Range (°C) | Package |
|---|---|---|---|---|---|---|---|---|---|---|
| LMV822IDRG4 | Texas Instruments | Obsolete | 1.9 | 5.5 | 40 | 1 | 500 | 45 | -40 to 125 | 8-SOIC |
| LMV822M/NOPB | Texas Instruments | Active | 2 | 5.6 | 40 | 1 | 500 | 45 | -40 to 85 | 8-SOIC |
| LMV822MX/NOPB | Texas Instruments | Active | 2 | 5.6 | 40 | 1 | 500 | 45 | -40 to 85 | 8-SOIC |
| LMV722M/NOPB | National Semiconductor | Active | 5.25 | 10 | 260 | 0.08 | 2010 | 52.6 | -40 to 85 | 8-SOIC |
| LMV722MX/NOPB | National Semiconductor | Active | 5.25 | 10 | 260 | 0.08 | 2010 | 52.6 | -40 to 85 | 8-SOIC |
| ADA4692-2ARZ-R7 | Analog Devices Inc. | Active | 1.3 | 3.6 | 0.0005 | 0.5 | 180 | 55 | -40 to 125 | 8-SOIC |
| ADA4692-2ARZ-RL | Analog Devices Inc. | Active | 1.3 | 3.6 | 0.0005 | 0.5 | 180 | 55 | -40 to 125 | 8-SOIC |
| ISL28214FBZ-T7 | Renesas Electronics Corporation | Active | 2.5 | 5 | 0.003 | 0.5 | 300 | 31 | -40 to 125 | 8-SOIC |
| LMV822AIDT | STMicroelectronics | Active | 1.9 | 5.5 | 60 | 0.8 | 300 | 70 | -40 to 125 | 8-SOIC |
| LMV822IDT | STMicroelectronics | Active | 1.9 | 5.5 | 60 | 3.5 | 300 | 70 | -40 to 125 | 8-SOIC |
| LMV822IYDT | STMicroelectronics | Active | 1.9 | 5.5 | 60 | 3.5 | 300 | 70 | -40 to 125 | 8-SOIC |
Engineering Selection Recommendations
Direct Replacement Category (Highest Compatibility):
The LMV822M/NOPB and LMV822MX/NOPB from Texas Instruments provide the closest electrical equivalence to the LMV822IDRG4. Both parts maintain identical input bias current (40 nA), input offset voltage (1 mV), supply current (500 µA), and output current (45 mA) specifications. The slew rate and gain bandwidth product remain within 5% of the original device. Both parts are active products with ROHS3 compliance and MSL 1 rating. The primary limitation is the reduced operating temperature maximum of 85°C versus the original 125°C specification.
Automotive-Grade Alternative (Extended Temperature):
The LMV822AIDT, LMV822IDT, and LMV822IYDT from STMicroelectronics maintain the full -40°C to 125°C operating temperature range and deliver identical slew rate (1.9 V/µs) and gain bandwidth product (5.5 MHz) performance. These parts carry AEC-Q100 automotive qualification and are manufactured by STMicroelectronics under the LMV822 base product number. Input bias current is slightly elevated at 60 nA, and input offset voltage ranges from 0.8 mV to 3.5 mV depending on grade. Supply current is increased to 300 µA per channel, and output current is enhanced to 70 mA per channel. These specifications remain within functional compatibility for general-purpose amplifier applications.
Enhanced Performance Alternative (Higher Bandwidth):
The LMV722M/NOPB and LMV722MX/NOPB from National Semiconductor offer significantly improved slew rate (5.25 V/µs) and gain bandwidth product (10 MHz), with enhanced output current capability (52.6 mA). These parts are active products with AEC-Q100 automotive qualification. The trade-off includes increased input bias current (260 nA) and elevated supply current (2.01 mA per channel). Operating temperature is limited to -40°C to 85°C. Selection of this category is appropriate for applications requiring higher bandwidth performance.
Low-Power Alternative (Reduced Supply Current):
The ADA4692-2ARZ-R7 and ADA4692-2ARZ-RL from Analog Devices Inc. deliver the lowest supply current (180 µA per channel) and exceptional input bias current (0.5 pA). These parts maintain the full -40°C to 125°C operating temperature range and ROHS3 compliance. The gain bandwidth product is reduced to 3.6 MHz with slew rate of 1.3 V/µs. Selection is appropriate for power-constrained applications where bandwidth requirements are moderate.
Extended Supply Range Alternative (Lower Minimum Voltage):
The ISL28214FBZ-T7 from Renesas Electronics Corporation supports a minimum supply voltage of 1.8 V, extending the lower operating boundary compared to the 2.5 V minimum of the original device. This part maintains the full -40°C to 125°C operating temperature range and delivers slew rate of 2.5 V/µs with gain bandwidth product of 5 MHz. Input bias current is extremely low at 3 pA. Selection is appropriate for battery-powered or low-voltage applications.
Frequently Asked Questions (FAQ)
Q: Can the LMV822M/NOPB directly replace the LMV822IDRG4 in all applications?
A: The LMV822M/NOPB provides direct electrical replacement with identical input bias current, input offset voltage, supply current, and output current specifications. The primary consideration is the reduced maximum operating temperature of 85°C versus 125°C for the original device. Applications operating within -40°C to 85°C temperature range experience no functional limitation. Applications requiring operation above 85°C require selection of alternative parts such as the LMV822AIDT or ADA4692-2ARZ-R7.
Q: What is the difference between LMV822MX/NOPB and LMV822M/NOPB?
A: Both parts are electrically identical with matching slew rate, gain bandwidth product, input bias current, input offset voltage, supply current, and output current specifications. The primary difference is packaging format: LMV822M/NOPB is supplied in Tube packaging, while LMV822MX/NOPB is supplied in Cut Tape (CT) and Digi-Reel format. Selection depends on procurement and assembly requirements.
Q: Why do the STMicroelectronics LMV822 variants show different input offset voltage specifications?
A: The LMV822AIDT specifies 800 µV input offset voltage, while LMV822IDT and LMV822IYDT specify 3.5 mV. These variations reflect different manufacturing grades and test conditions. All three parts maintain functional compatibility for general-purpose amplifier applications. The AIDT variant offers tighter offset voltage specification for applications requiring improved DC accuracy.
Q: Is the LMV722MX/NOPB suitable as a substitute if my application requires higher bandwidth?
A: The LMV722MX/NOPB delivers 10 MHz gain bandwidth product and 5.25 V/µs slew rate, representing significant performance enhancement over the 5.5 MHz and 1.9 V/µs specifications of the LMV822IDRG4. However, this substitution introduces trade-offs: input bias current increases from 40 nA to 260 nA, supply current increases from 500 µA to 2.01 mA per channel, and maximum operating temperature reduces to 85°C. Selection is appropriate only when bandwidth requirements justify these trade-offs.
Q: Can I use the ADA4692-2ARZ-R7 in a design originally specified for the LMV822IDRG4?
A: The ADA4692-2ARZ-R7 maintains the full -40°C to 125°C operating temperature range and 8-SOIC package compatibility. However, the gain bandwidth product is reduced to 3.6 MHz versus 5.5 MHz, and slew rate is reduced to 1.3 V/µs versus 1.9 V/µs. This substitution is appropriate for applications where the lower bandwidth and slew rate are acceptable and where the reduced supply current (180 µA versus 500 µA) provides design benefit. Applications requiring the original bandwidth performance should not use this substitute.
Q: What packaging options are available for the substitute parts?
A: Substitute parts are available in multiple packaging formats: Tube (LMV822M/NOPB), Cut Tape and Digi-Reel (LMV822MX/NOPB, ADA4692-2ARZ-R7, LMV822IDT), and Tape & Reel (ADA4692-2ARZ-RL, ISL28214FBZ-T7, LMV822AIDT, LMV822IYDT). Selection depends on procurement volume, assembly equipment compatibility, and supply chain requirements. All packaging formats maintain identical electrical specifications for the same part number.
Q: Are all substitute parts RoHS3 compliant?
A: All substitute parts listed are ROHS3 compliant with MSL 1 (Unlimited) moisture sensitivity level rating, matching the compliance profile of the original LMV822IDRG4. All parts carry ECCN EAR99 classification and HTSUS 8542.33.0001 tariff code.
Q: Which substitute part offers the best thermal performance for extended temperature applications?
A: The LMV822AIDT, LMV822IDT, LMV822IYDT, ADA4692-2ARZ-R7, ADA4692-2ARZ-RL, and ISL28214FBZ-T7 all support the full -40°C to 125°C operating temperature range. The LMV822 variants from STMicroelectronics carry AEC-Q100 automotive qualification, indicating validated performance across the extended temperature range. The ADA4692 variants from Analog Devices also support this range without automotive qualification. Selection depends on application requirements and qualification standards.
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