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LMV324IPWRE4 Equivalent & Substitute Parts
Part Overview
The LMV324IPWRE4 is a general-purpose operational amplifier manufactured by Texas Instruments, featuring four independent circuits in a 14-TSSOP surface-mount package. This device provides rail-to-rail output capability with a 1 MHz gain-bandwidth product and operates across a 2.7 V to 5.5 V supply range, making it suitable for low-power analog signal processing applications.
The LMV324IPWRE4 is currently discontinued at DiGi Electronics. Equivalent and substitute parts are available from multiple manufacturers, offering comparable or enhanced electrical characteristics while maintaining package compatibility and functional equivalence for most applications requiring general-purpose four-channel operational amplifiers.
Substiute Parts
Key Parameters
| Parameter | Value | Unit |
|---|---|---|
| Amplifier Type | General Purpose | — |
| Number of Circuits | 4 | — |
| Output Type | Rail-to-Rail | — |
| Slew Rate | 1 | V/µs |
| Gain Bandwidth Product | 1 | MHz |
| Current - Input Bias | 15 | nA |
| Voltage - Input Offset | 1.7 | mV |
| Current - Supply (x4 Channels) | 410 | µA |
| Current - Output / Channel | 40 | mA |
| Voltage - Supply Span (Min) | 2.7 | V |
| Voltage - Supply Span (Max) | 5.5 | V |
| Operating Temperature | -40 to 125 | °C |
| Mounting Type | Surface Mount | — |
| Package / Case | 14-TSSOP (0.173", 4.40mm Width) | — |
| RoHS Status | ROHS3 Compliant | — |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) | — |
Substitute Part Grouping Explanation
Substitution of the LMV324IPWRE4 is determined by the following critical parameters:
Functional Equivalence Criteria:
- Four independent operational amplifier circuits
- Rail-to-rail output configuration
- General-purpose amplifier classification
- 14-TSSOP package footprint compatibility
- Supply voltage range spanning 2.7 V to 5.5 V
- Operating temperature range of -40°C to 125°C
Electrical Performance Tolerance: Substitute parts must maintain compatibility within the following ranges:
- Slew rate: 0.35 V/µs to 10 V/µs (higher values provide enhanced performance)
- Gain bandwidth product: 152 kHz to 10 MHz (higher values provide enhanced performance)
- Input bias current: 4 pA to 60 nA (lower values provide enhanced performance)
- Input offset voltage: 800 µV to 1.7 mV (lower values provide enhanced performance)
- Supply current: 28 µA to 1.2 mA per channel group (lower values provide enhanced efficiency)
- Output current per channel: 12 mA to 160 mA (higher values provide enhanced capability)
Compliance and Certification:
- ROHS3 compliance required
- REACH unaffected status required
- EAR99 export classification
- HTSUS code 8542.33.0001
Substitute parts are grouped into two categories: direct Texas Instruments equivalents with identical base product numbers, and cross-manufacturer alternatives offering comparable or superior electrical performance within the same package footprint.
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) | MSL |
|---|---|---|---|---|---|---|---|---|---|---|
| LMV324IPWRE4 | Texas Instruments | Discontinued | 1 | 1 | 15 | 1.7 | 410 | 40 | -40 to 125 | 1 |
| LMV324MT/NOPB | Texas Instruments | Active | 1 | 1 | 15 | 1.7 | 410 | 160 | -40 to 125 | 1 |
| LMV324MTX/NOPB | Texas Instruments | Active | 1 | 1 | 15 | 1.7 | 410 | 160 | -40 to 125 | 2 |
| LMV324IPWR | Texas Instruments | Active | 1 | 1 | 15 | 1.7 | 410 | 40 | -40 to 125 | 2 |
| LPV324MTX/NOPB | Texas Instruments | Active | 0.1 | 0.152 | 2 | 1.5 | 28 | 16 | -40 to 85 | 1 |
| AD8544ARUZ | Analog Devices Inc. | Active | 0.92 | 1 | 0.004 | 1 | 45 | 30 | -40 to 125 | 1 |
| BD12734FVJ-E2 | Rohm Semiconductor | Active | 0.4 | 1 | 50 | 1 | 1200 | 12 | -40 to 85 | 1 |
| BU7487FV-E2 | Rohm Semiconductor | Active | 10 | 10 | 0.001 | 1 | 6000 | 12 | -40 to 105 | 1 |
| LMR934FVJ-E2 | Rohm Semiconductor | Active | 0.35 | 1.4 | 5 | 1 | 250 | 90 | -40 to 85 | 1 |
| LMV324TSG-13 | Diodes Incorporated | Active | 1 | 1 | 15 | 1.7 | 340 | 90 | -40 to 125 | 1 |
| LMV824AIPT | STMicroelectronics | Active | 1.9 | 5.5 | 60 | 0.8 | 300 | 70 | -40 to 125 | 1 |
Engineering Selection Recommendations
Direct Equivalents (Texas Instruments LMV324 Series):
The LMV324MT/NOPB and LMV324MTX/NOPB are direct functional equivalents to the LMV324IPWRE4, offering identical electrical specifications with enhanced output current capability (160 mA per channel versus 40 mA). Both parts are active products with full availability. The LMV324IPWR provides identical electrical performance to the original part and is available in high volume (95,300 units in stock), making it the primary recommended replacement for direct substitution.
Cross-Manufacturer Alternatives:
The LMV324TSG-13 from Diodes Incorporated provides electrical equivalence with enhanced output current (90 mA per channel) and maintains the full -40°C to 125°C operating temperature range. This part is actively produced with substantial inventory availability (34,987 units).
The LMV824AIPT from STMicroelectronics offers enhanced performance characteristics including higher slew rate (1.9 V/µs), higher gain-bandwidth product (5.5 MHz), and lower input offset voltage (800 µV). This part carries AEC-Q100 automotive qualification and is suitable for applications requiring superior dynamic performance. Operating temperature range is maintained at -40°C to 125°C.
The AD8544ARUZ from Analog Devices Inc. provides superior input bias current performance (4 pA) and maintains 1 MHz gain-bandwidth product with full temperature range support (-40°C to 125°C). This part is suitable for applications requiring extremely low input bias current.
Lower-Performance Alternatives:
The LPV324MTX/NOPB from Texas Instruments is a low-power variant with significantly reduced supply current (28 µA) but operates at reduced bandwidth (152 kHz) and lower maximum temperature (85°C). This part is suitable only for applications where power consumption is critical and performance requirements are reduced.
The BD12734FVJ-E2 and LMR934FVJ-E2 from Rohm Semiconductor provide general-purpose amplification with reduced slew rates and lower maximum operating temperatures (85°C). These parts are suitable for non-critical applications where cost optimization is prioritized.
The BU7487FV-E2 from Rohm Semiconductor is a CMOS amplifier with significantly enhanced slew rate (10 V/µs) and gain-bandwidth product (10 MHz), but operates at higher supply current (6 mA) and reduced maximum output current (12 mA per channel). This part is suitable for high-speed signal processing applications.
Compliance Status:
All substitute parts maintain ROHS3 compliance, REACH unaffected status, and EAR99 export classification. All parts are packaged in 14-TSSOP surface-mount configuration with identical footprint dimensions (0.173", 4.40mm width).
Frequently Asked Questions (FAQ)
Q: Can the LMV324IPWR be used as a direct replacement for the LMV324IPWRE4?
A: Yes. The LMV324IPWR provides identical electrical specifications and operates across the same supply voltage range (2.7 V to 5.5 V) and temperature range (-40°C to 125°C). Both parts feature four general-purpose operational amplifier circuits with rail-to-rail output in 14-TSSOP packaging. The primary difference is packaging format (Cut Tape & Digi-Reel versus tube), which does not affect electrical performance or PCB compatibility.
Q: What is the difference between LMV324MT/NOPB and LMV324MTX/NOPB?
A: Both parts are electrically identical with 1 V/µs slew rate, 1 MHz gain-bandwidth product, and identical supply specifications. The primary differences are packaging format (Tube versus Cut Tape & Digi-Reel) and moisture sensitivity level (MSL 1 versus MSL 2). The MSL 2 rating for LMV324MTX/NOPB indicates a 1-year shelf life requirement under controlled humidity conditions, whereas MSL 1 indicates unlimited shelf life. Both parts provide enhanced output current (160 mA per channel) compared to the original LMV324IPWRE4 (40 mA per channel).
Q: Is the LMV824AIPT suitable for applications requiring the full -40°C to 125°C temperature range?
A: Yes. The LMV824AIPT operates across the full -40°C to 125°C temperature range, matching the original LMV324IPWRE4 specification. This part additionally carries AEC-Q100 automotive qualification, making it suitable for automotive and industrial applications. The LMV824AIPT provides enhanced performance with 1.9 V/µs slew rate and 5.5 MHz gain-bandwidth product compared to the original 1 V/µs and 1 MHz specifications.
Q: Can the LPV324MTX/NOPB be used in applications requiring operation above 85°C?
A: No. The LPV324MTX/NOPB is rated for maximum operating temperature of 85°C, whereas the original LMV324IPWRE4 operates to 125°C. Applications requiring full temperature range operation must use alternative parts such as LMV324IPWR, LMV324TSG-13, LMV824AIPT, or AD8544ARUZ.
Q: What is the primary advantage of the AD8544ARUZ over the LMV324IPWRE4?
A: The AD8544ARUZ provides significantly lower input bias current (4 pA versus 15 nA), making it suitable for high-impedance signal conditioning applications where input bias current effects must be minimized. The AD8544ARUZ maintains 1 MHz gain-bandwidth product and full -40°C to 125°C temperature range operation. Input offset voltage is also reduced to 1 mV compared to 1.7 mV.
Q: Are all substitute parts available in 14-TSSOP packaging?
A: Yes. All substitute parts listed are available in 14-TSSOP surface-mount packaging with identical footprint dimensions (0.173", 4.40mm width). The BU7487FV-E2 is specified as 14-LSSOP (14-SSOP-B), which maintains the same 0.173" width and 4.40mm pitch, ensuring PCB footprint compatibility.
Q: Which substitute part provides the lowest power consumption?
A: The LPV324MTX/NOPB provides the lowest supply current at 28 µA for all four channels combined. However, this part operates at reduced bandwidth (152 kHz) and lower maximum temperature (85°C). For applications requiring both low power consumption and full performance specifications, the AD8544ARUZ provides reduced supply current (45 µA) while maintaining 1 MHz gain-bandwidth product and full temperature range operation.
Q: Can the BU7487FV-E2 be used as a direct replacement for the LMV324IPWRE4?
A: The BU7487FV-E2 is a CMOS amplifier with significantly different electrical characteristics. While it provides enhanced slew rate (10 V/µs) and gain-bandwidth product (10 MHz), it operates at substantially higher supply current (6 mA) and reduced output current per channel (12 mA versus 40 mA). This part is suitable only for applications where high-speed performance is required and power consumption constraints are not critical.
Q: What is the significance of RoHS3 compliance for all substitute parts?
A: RoHS3 compliance indicates that all substitute parts meet Restriction of Hazardous Substances Directive requirements, ensuring lead-free construction and compliance with environmental regulations applicable to electronic components. All listed substitute parts maintain ROHS3 compliance, ensuring regulatory compatibility with the original LMV324IPWRE4 specification.
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