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TLV2774IPWRG4 Equivalent & Substitute Parts
Part Overview
The TLV2774IPWRG4 is a CMOS rail-to-rail operational amplifier featuring four independent circuits in a 14-TSSOP surface mount package. This device is designed for low-power, general-purpose amplification applications requiring dual-supply operation across 2.5V to 5.5V. The TLV2774IPWRG4 is currently discontinued at DiGi Electronics, necessitating identification of functionally equivalent alternatives that maintain electrical and mechanical compatibility for direct board-level substitution.
Substiute Parts
Key Parameters
| Parameter | Value | Unit |
|---|---|---|
| Amplifier Type | CMOS | — |
| Number of Circuits | 4 | — |
| Output Type | Rail-to-Rail | — |
| Slew Rate | 10.5 | V/µs |
| Gain Bandwidth Product | 5.1 | MHz |
| Current - Input Bias | 2 | pA |
| Voltage - Input Offset | 700 | µV |
| Current - Supply (x4 Channels) | 1 | mA |
| Current - Output / Channel | 50 | mA |
| Voltage - Supply Span (Min) | 2.5 | V |
| Voltage - Supply Span (Max) | 5.5 | V |
| Operating Temperature | -40 to 125 | °C |
| Package / Case | 14-TSSOP (0.173", 4.40mm Width) | — |
| Mounting Type | Surface Mount | — |
| RoHS Status | ROHS3 Compliant | — |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) | — |
Substitute Part Grouping Explanation
Substitution of the TLV2774IPWRG4 is determined by strict adherence to the following electrical and mechanical criteria:
Primary Substitution Criteria:
- Package type: 14-TSSOP surface mount (0.173", 4.40mm width)
- Number of circuits: 4 independent amplifiers
- Output configuration: Rail-to-rail
- Supply voltage range: Minimum 2.5V, maximum 5.5V
- Operating temperature range: -40°C to 125°C
- RoHS3 compliance and MSL Level 1
Secondary Compatibility Parameters:
- Slew rate: 10.5 V/µs (baseline performance metric)
- Gain bandwidth product: 5.1 MHz (frequency response characteristic)
- Input bias current: 2 pA (ultra-low leakage requirement)
- Input offset voltage: 700 µV (DC accuracy specification)
- Supply current: 1 mA across four channels (power consumption)
- Output current per channel: 50 mA (drive capability)
Substitute parts are grouped into two categories based on amplifier type classification: CMOS amplifiers (TLV2774IPWR, MCP604 series) and general-purpose amplifiers (AD8604ARUZ-REEL, ADA4692-4ARUZ, LMV824 series, MCP6284-E/ST). All candidates maintain the 14-TSSOP package, four-circuit configuration, and rail-to-rail output specification. Electrical performance variations exist in slew rate, gain bandwidth product, and supply current characteristics; these variations are documented in the parameter comparison table for engineering evaluation.
Parameter Comparison
| Part Number | Manufacturer | Amplifier Type | Slew Rate (V/µs) | GBW (MHz) | Input Bias (pA) | Input Offset (µV) | Supply Current (mA) | Output Current (mA) | Temp Range (°C) | Status |
|---|---|---|---|---|---|---|---|---|---|---|
| TLV2774IPWRG4 | Texas Instruments | CMOS | 10.5 | 5.1 | 2 | 700 | 1 | 50 | -40 to 125 | Discontinued |
| TLV2774IPWR | Texas Instruments | CMOS | 10.5 | 5.1 | 2 | 700 | 1 | 50 | -40 to 125 | Active |
| AD8604ARUZ-REEL | Analog Devices Inc. | CMOS | 6 | 8.4 | 0.2 | 80 | 0.75 | 50 | -40 to 125 | Active |
| ADA4692-4ARUZ | Analog Devices Inc. | General Purpose | 1.3 | 3.6 | 0.5 | 500 | 0.18 | 55 | -40 to 125 | Active |
| LMV824DTBR2G | onsemi | General Purpose | 2 | 5.6 | 119 | 1000 | 1 | 45 | -40 to 85 | Active |
| LMV824IPT | STMicroelectronics | General Purpose | 1.9 | 5.5 | 60 | 3500 | 0.3 | 70 | -40 to 125 | Active |
| MCP604-E/ST | Microchip Technology | CMOS | 2.3 | 2.8 | 1 | 700 | 0.23 | 22 | -40 to 125 | Active |
| MCP604-I/ST | Microchip Technology | CMOS | 2.3 | 2.8 | 1 | 700 | 0.23 | 22 | -40 to 85 | Active |
| MCP604T-E/ST | Microchip Technology | CMOS | 2.3 | 2.8 | 1 | 700 | 0.23 | 22 | -40 to 125 | Active |
| MCP604T-I/ST | Microchip Technology | CMOS | 2.3 | 2.8 | 1 | 700 | 0.23 | 22 | -40 to 85 | Active |
| MCP6284-E/ST | Microchip Technology | General Purpose | 2.5 | 5 | 1 | 3000 | 0.45 | 25 | -40 to 125 | Active |
Engineering Selection Recommendations
Direct Replacement (Identical Electrical Performance):
TLV2774IPWR is the primary substitute for TLV2774IPWRG4. Both devices are manufactured by Texas Instruments and share identical electrical specifications: 10.5 V/µs slew rate, 5.1 MHz gain bandwidth product, 2 pA input bias current, and 700 µV input offset voltage. The TLV2774IPWR is currently in active production status with higher inventory availability (3133 units). Both parts maintain the 14-TSSOP package, four-circuit CMOS configuration, and -40°C to 125°C operating temperature range. RoHS3 compliance and MSL Level 1 rating are identical. This substitution requires no circuit redesign or performance validation.
Performance-Enhanced Alternatives (CMOS Type):
AD8604ARUZ-REEL (Analog Devices Inc.) offers improved electrical characteristics within the CMOS amplifier category. This device features lower input bias current (0.2 pA versus 2 pA), reduced input offset voltage (80 µV versus 700 µV), and higher gain bandwidth product (8.4 MHz versus 5.1 MHz). Supply current is reduced to 0.75 mA per four channels. The operating temperature range extends to -40°C to 125°C. The 14-TSSOP package and four-circuit rail-to-rail configuration are maintained. This substitution is suitable for applications requiring improved DC accuracy and frequency response performance.
Lower-Power Alternatives (General Purpose Type):
ADA4692-4ARUZ (Analog Devices Inc.) provides significant power consumption reduction with 180 µA supply current across four channels, compared to 1 mA in the original device. This general-purpose amplifier maintains the 14-TSSOP package, four-circuit configuration, and -40°C to 125°C operating temperature range. Trade-offs include reduced slew rate (1.3 V/µs versus 10.5 V/µs) and lower gain bandwidth product (3.6 MHz versus 5.1 MHz). Input offset voltage is 500 µV. This substitution is appropriate for battery-powered or power-constrained applications where dynamic performance requirements are moderate.
Extended Temperature Capability:
LMV824IPT (STMicroelectronics) maintains the -40°C to 125°C operating temperature range with automotive-grade qualification (AEC-Q100). This general-purpose amplifier offers higher output current per channel (70 mA versus 50 mA) and operates across the 2.5V to 5.5V supply range. Slew rate is 1.9 V/µs and gain bandwidth product is 5.5 MHz. Input bias current is 60 nA and input offset voltage is 3.5 mV. The 14-TSSOP package and four-circuit configuration are maintained. This substitution is suitable for automotive and industrial applications requiring extended temperature operation and higher output drive capability.
Cost-Optimized Alternatives:
MCP604T-I/ST (Microchip Technology) provides the lowest-cost CMOS alternative with identical input offset voltage (700 µV) and input bias current (1 pA) to the original device. This part operates across -40°C to 85°C and maintains the 14-TSSOP package with four-circuit configuration. Trade-offs include reduced slew rate (2.3 V/µs versus 10.5 V/µs), lower gain bandwidth product (2.8 MHz versus 5.1 MHz), and reduced output current per channel (22 mA versus 50 mA). Supply current is 230 µA per two channels. This substitution is appropriate for cost-sensitive applications with moderate dynamic performance requirements and operating temperatures not exceeding 85°C.
MCP6284-E/ST (Microchip Technology) offers a general-purpose alternative with extended supply voltage range (2.2V to 5.5V minimum to maximum). This device maintains the -40°C to 125°C operating temperature range and 14-TSSOP package. Slew rate is 2.5 V/µs, gain bandwidth product is 5 MHz, and supply current is 450 µA across four channels. Input bias current is 1 pA. Output current per channel is 25 mA. This substitution is suitable for applications requiring lower supply voltage operation.
Compatibility Constraints:
LMV824DTBR2G (onsemi) operates only to 85°C maximum, limiting its use in applications requiring the full -40°C to 125°C temperature range. This general-purpose amplifier is otherwise compatible in package, circuit count, and supply voltage specifications.
All substitute parts maintain RoHS3 compliance and MSL Level 1 rating. Package type is uniformly 14-TSSOP (0.173", 4.40mm width) across all alternatives. Surface mount mounting type is consistent. Selection should be based on specific application requirements for slew rate, gain bandwidth product, supply current, output current, and operating temperature range.
Frequently Asked Questions (FAQ)
Q: Can TLV2774IPWR be used as a direct replacement for TLV2774IPWRG4?
A: Yes. TLV2774IPWR is the direct equivalent. Both devices are manufactured by Texas Instruments with identical electrical specifications, package type (14-TSSOP), circuit count (4), and operating temperature range (-40°C to 125°C). The primary difference is product status: TLV2774IPWRG4 is discontinued while TLV2774IPWR is in active production. No circuit modifications are required.
Q: What is the difference between CMOS and General Purpose amplifier types in the substitute list?
A: CMOS amplifiers (TLV2774IPWR, AD8604ARUZ-REEL, MCP604 series) feature ultra-low input bias current (typically 1-2 pA) and are optimized for high-impedance input applications. General-purpose amplifiers (ADA4692-4ARUZ, LMV824 series, MCP6284-E/ST) have higher input bias current (0.5 nA to 119 nA) but often provide lower power consumption or extended functionality. Selection depends on input impedance requirements and power budget constraints.
Q: Are all substitute parts compatible with the same PCB footprint?
A: Yes. All substitute parts listed use the 14-TSSOP package with identical dimensions (0.173" width, 4.40mm width). PCB footprints are mechanically interchangeable. Surface mount assembly processes remain unchanged.
Q: Which substitute offers the best performance improvement over the original TLV2774IPWRG4?
A: AD8604ARUZ-REEL provides the most significant performance enhancement. It offers 8.4 MHz gain bandwidth product (versus 5.1 MHz), 0.2 pA input bias current (versus 2 pA), and 80 µV input offset voltage (versus 700 µV). Slew rate is reduced to 6 V/µs, and supply current is 0.75 mA. This device is suitable for applications requiring improved DC accuracy and frequency response.
Q: Which substitute is most suitable for battery-powered applications?
A: ADA4692-4ARUZ offers the lowest supply current at 180 µA across four channels, compared to 1 mA in the original device. This represents an 82% reduction in quiescent power consumption. Trade-offs include lower slew rate (1.3 V/µs) and reduced gain bandwidth product (3.6 MHz). This substitution is appropriate for portable and battery-powered systems where dynamic performance requirements are moderate.
Q: Can I use LMV824DTBR2G in applications requiring operation above 85°C?
A: No. LMV824DTBR2G is specified for -40°C to 85°C operation only. For applications requiring full -40°C to 125°C temperature range, use TLV2774IPWR, AD8604ARUZ-REEL, ADA4692-4ARUZ, LMV824IPT, MCP604-E/ST, MCP604T-E/ST, or MCP6284-E/ST.
Q: What is the significance of the automotive qualification (AEC-Q100) on LMV824IPT?
A: AEC-Q100 qualification indicates the device meets automotive industry reliability and quality standards. LMV824IPT is suitable for automotive and industrial applications requiring extended temperature operation (-40°C to 125°C) and higher output current capability (70 mA per channel). This qualification does not affect electrical compatibility with non-automotive applications.
Q: Are there supply voltage range differences between substitutes?
A: Yes. Most substitutes operate across 2.5V to 5.5V, matching the original TLV2774IPWRG4. MCP6284-E/ST extends the minimum supply voltage to 2.2V, enabling operation in lower-voltage applications. LMV824DTBR2G and LMV824IPT support 2.7V minimum. Verify supply voltage compatibility with your application requirements.
Q: What is the impact of reduced output current on circuit design?
A: Output current per channel varies among substitutes: original device provides 50 mA, while MCP604 series provides only 22 mA and MCP6284-E/ST provides 25 mA. If your application requires driving loads exceeding the substitute's output current specification, additional buffering or output stage redesign may be necessary. LMV824IPT provides 70 mA, exceeding the original specification.
Q: Do all substitutes maintain RoHS3 compliance?
A: Yes. All substitute parts listed are RoHS3 compliant with MSL Level 1 (unlimited moisture sensitivity level). Environmental and regulatory compliance is maintained across all alternatives.
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