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LT6014CS8#TRPBF Equivalent & Substitute Parts
Part Overview
The LT6014CS8#TRPBF is a general purpose operational amplifier manufactured by Analog Devices Inc., featuring dual circuits in an 8-SOIC surface mount package. This device operates as a rail-to-rail amplifier with a supply voltage range of 2.7 V to 36 V and is designed for applications requiring low power consumption and compact form factors. The part is currently in active production status with RoHS3 compliance and unlimited moisture sensitivity rating.
Substitute parts are identified when equivalent electrical performance and mechanical compatibility can be achieved within the specified parameter ranges. Alternative models may be required due to inventory availability, packaging format preferences, or application-specific performance requirements while maintaining functional compatibility.
Substiute Parts
Key Parameters
| Parameter | LT6014CS8#TRPBF | Unit |
|---|---|---|
| Amplifier Type | General Purpose | — |
| Number of Circuits | 2 | — |
| Output Type | Rail-to-Rail | — |
| Package / Case | 8-SOIC (0.154", 3.90mm Width) | — |
| Mounting Type | Surface Mount | — |
| Voltage - Supply Span (Min) | 2.7 | V |
| Voltage - Supply Span (Max) | 36 | V |
| Slew Rate | 0.2 | V/µs |
| Gain Bandwidth Product | 1.6 | MHz |
| Current - Input Bias | 150 | pA |
| Voltage - Input Offset | 35 | µV |
| Current - Supply | 200 | µA (x2 Channels) |
| Current - Output / Channel | 20 | mA |
| Operating Temperature | 0 to 70 | °C |
| RoHS Status | ROHS3 Compliant | — |
| Moisture Sensitivity Level | 1 (Unlimited) | — |
Substitute Part Grouping Explanation
Substitute parts for the LT6014CS8#TRPBF are identified based on the following critical parameters that determine functional and mechanical compatibility:
Primary Compatibility Criteria:
- Number of Circuits: 2 (dual amplifier configuration)
- Output Type: Rail-to-Rail
- Package / Case: 8-SOIC (0.154", 3.90mm Width)
- Mounting Type: Surface Mount
- Voltage - Supply Span: Minimum 2.7 V to Maximum 36 V
Secondary Performance Parameters:
- Slew Rate: 0.2 V/µs or greater
- Gain Bandwidth Product: 1.6 MHz or greater
- Current - Output / Channel: 20 mA or greater
- Operating Temperature Range: Must encompass or exceed 0°C to 70°C
Substitute parts are grouped into two categories based on amplifier type and performance characteristics:
Category 1: General Purpose Amplifiers — Parts with similar low-power, general purpose specifications suitable for direct replacement in applications not requiring specialized audio or J-FET input characteristics.
Category 2: Specialized Amplifiers — Parts with enhanced performance characteristics (J-FET input, audio-grade, or higher bandwidth) that provide functional equivalence with additional capabilities.
All substitute parts maintain 8-SOIC package compatibility, rail-to-rail output configuration, and dual-circuit topology. Compliance certifications (RoHS3, REACH Unaffected) are consistent across all listed alternatives.
Parameter Comparison
| Part Number | Manufacturer | Amplifier Type | Slew Rate (V/µs) | GBW (MHz) | Input Bias (pA) | Input Offset (µV) | Supply Current (µA) | Output Current (mA) | Temp Range (°C) | Package |
|---|---|---|---|---|---|---|---|---|---|---|
| LT6014CS8#TRPBF | Analog Devices | General Purpose | 0.2 | 1.6 | 150 | 35 | 200 | 20 | 0 to 70 | 8-SOIC |
| OPA2170AIDR | Texas Instruments | General Purpose | 0.4 | 1.2 | 8 | 250 | 110 | 20 | -40 to 125 | 8-SOIC |
| OPA2170AID | Texas Instruments | General Purpose | 0.4 | 1.2 | 8 | 250 | 110 | 20 | -40 to 125 | 8-SOIC |
| OPA2171AQDRQ1 | Texas Instruments | General Purpose | 1.5 | 3 | 8 | 250 | 475 | 35 | -40 to 125 | 8-SOIC |
| OPA2172IDR | Texas Instruments | General Purpose | 10 | 10 | 8 | 200 | 1600 | 75 | -40 to 125 | 8-SOIC |
| OPA2172ID | Texas Instruments | General Purpose | 10 | 10 | 8 | 200 | 1600 | 75 | -40 to 125 | 8-SOIC |
| AD823AARZ | Analog Devices | J-FET | 35 | 10 | 1.3 | 800 | 6300 | 17 | -40 to 85 | 8-SOIC |
| AD823AARZ-R7 | Analog Devices | J-FET | 35 | 10 | 1.3 | 800 | 6300 | 17 | -40 to 85 | 8-SOIC |
| AD823AARZ-RL | Analog Devices | J-FET | 35 | 10 | 1.3 | 800 | 6300 | 17 | -40 to 85 | 8-SOIC |
| OPA1662AIDRQ1 | Texas Instruments | Audio | 17 | 22 | 600 | 500 | 1500 | 50 | -40 to 85 | 8-SOIC |
| OPA2211AIDDA | Texas Instruments | General Purpose | 27 | 80 | 60 | 30 | 3600 | 45 | -40 to 125 | 8-PowerSOIC |
Engineering Selection Recommendations
Direct Substitution (Lowest Risk):
The OPA2170AIDR and OPA2170AID are the most conservative substitutes for the LT6014CS8#TRPBF. Both parts maintain general purpose amplifier classification, 8-SOIC package compatibility, and rail-to-rail output configuration. While the OPA2170 series exhibits lower slew rate (0.4 V/µs versus 0.2 V/µs) and gain bandwidth product (1.2 MHz versus 1.6 MHz), these parameters remain within acceptable ranges for general purpose applications. The extended operating temperature range (-40°C to 125°C) provides additional margin beyond the LT6014 specification (0°C to 70°C). Both variants are RoHS3 compliant with REACH Unaffected status.
Enhanced Performance Substitutes:
The OPA2172IDR and OPA2172ID offer significantly higher slew rate (10 V/µs) and gain bandwidth product (10 MHz), making them suitable for applications requiring faster signal processing. These parts maintain 8-SOIC package compatibility and general purpose classification. The increased supply current (1.6 mA versus 200 µA) and output current capability (75 mA versus 20 mA) indicate higher power consumption but provide greater output drive capability. Extended temperature range (-40°C to 125°C) and RoHS3 compliance are maintained.
Specialized Alternatives:
The AD823AARZ, AD823AARZ-R7, and AD823AARZ-RL are J-FET input amplifiers offering extremely low input bias current (1.3 pA versus 150 pA). These parts are suitable for applications requiring high input impedance and minimal bias current effects. The significantly higher slew rate (35 V/µs) and gain bandwidth product (10 MHz) support faster transient response. Operating temperature range is -40°C to 85°C. All variants maintain 8-SOIC package compatibility and RoHS3 compliance.
The OPA1662AIDRQ1 is an audio-grade amplifier with AEC-Q100 automotive qualification. This part provides enhanced performance characteristics (17 V/µs slew rate, 22 MHz gain bandwidth product) suitable for audio and precision signal conditioning applications. The automotive qualification and extended temperature range (-40°C to 85°C) indicate suitability for demanding environments. MSL rating of 2 (1 Year) requires moisture control during storage and handling.
The OPA2211AIDDA represents the highest performance option with 27 V/µs slew rate and 80 MHz gain bandwidth product. This part is packaged in 8-PowerSOIC format with integrated thermal management features. The extended operating temperature range (-40°C to 125°C) and RoHS3 compliance support demanding applications. Increased supply current (3.6 mA) reflects higher performance capability.
Compliance and Regulatory Status:
All listed substitute parts maintain RoHS3 compliance and REACH Unaffected status, consistent with the LT6014CS8#TRPBF. Moisture sensitivity levels vary: most parts are rated MSL 1 (Unlimited) or MSL 2 (1 Year), with OPA2171AQDRQ1 rated MSL 3 (168 Hours), requiring more stringent moisture control during assembly.
Frequently Asked Questions (FAQ)
Q: Can the OPA2170AIDR be used as a direct replacement for the LT6014CS8#TRPBF?
A: The OPA2170AIDR is mechanically and electrically compatible as a substitute. Both parts feature dual general purpose amplifiers in 8-SOIC packages with rail-to-rail output and 2.7 V to 36 V supply voltage range. The OPA2170 exhibits lower slew rate (0.4 V/µs versus 0.2 V/µs) and gain bandwidth product (1.2 MHz versus 1.6 MHz), but these parameters remain suitable for general purpose applications. The extended operating temperature range (-40°C to 125°C) provides additional margin.
Q: What is the primary difference between the AD823 J-FET variants and the LT6014?
A: The AD823 series uses J-FET input stages, resulting in extremely low input bias current (1.3 pA versus 150 pA). This characteristic makes AD823 variants suitable for high-impedance signal sources and applications where input bias current effects must be minimized. The AD823 also provides higher slew rate (35 V/µs) and gain bandwidth product (10 MHz). All three AD823 variants (AARZ, AARZ-R7, AARZ-RL) are electrically identical; differences are in packaging format only.
Q: Are the OPA2172IDR and OPA2172ID interchangeable?
A: Yes, the OPA2172IDR and OPA2172ID are electrically identical. The primary difference is packaging format: OPA2172IDR is supplied in Cut Tape (CT) & Digi-Reel format, while OPA2172ID is supplied in Tube format. Both parts feature identical electrical specifications, including 10 V/µs slew rate, 10 MHz gain bandwidth product, and 75 mA output current per channel.
Q: What does the "Q1" designation in OPA1662AIDRQ1 indicate?
A: The "Q1" suffix indicates AEC-Q100 automotive qualification. This certification confirms the part meets automotive industry reliability and performance standards. The OPA1662AIDRQ1 is suitable for automotive applications and other demanding environments requiring enhanced reliability verification.
Q: Why does the OPA2211AIDDA use an 8-PowerSOIC package instead of standard 8-SOIC?
A: The 8-PowerSOIC package includes an integrated thermal pad (PowerPad) for enhanced heat dissipation. This feature is necessary because the OPA2211 operates at higher power levels (3.6 mA supply current) compared to the LT6014 (200 µA). The thermal pad allows the device to maintain lower junction temperatures during sustained operation, improving reliability and performance stability.
Q: Can I substitute the LT6014CS8#TRPBF with the OPA2211AIDDA in a space-constrained application?
A: The OPA2211AIDDA is not suitable for space-constrained applications. While both parts use 8-pin packages, the OPA2211 employs 8-PowerSOIC format with a larger footprint than standard 8-SOIC due to the integrated thermal pad. The LT6014 uses standard 8-SOIC (0.154", 3.90mm Width), which is more compact. The OPA2211 is appropriate only when thermal management and enhanced performance justify the larger package size.
Q: What is the significance of the MSL (Moisture Sensitivity Level) rating?
A: MSL rating indicates moisture sensitivity during storage and assembly. MSL 1 (Unlimited) parts like the LT6014 and most AD823 variants require no special moisture control. MSL 2 (1 Year) parts like OPA2170 and OPA2172 must be used within one year of package opening. MSL 3 (168 Hours) parts like OPA2171AQDRQ1 must be used within 168 hours of package opening and require baking before reflow soldering if storage time is exceeded. Select substitutes based on your manufacturing process capabilities.
Q: Are all substitute parts RoHS3 compliant?
A: Yes, all listed substitute parts are RoHS3 compliant and REACH Unaffected, matching the compliance status of the LT6014CS8#TRPBF. This ensures regulatory compatibility for applications requiring RoHS3 certification.
Q: What is the difference between the AD823AARZ, AD823AARZ-R7, and AD823AARZ-RL variants?
A: These three AD823 variants are electrically identical. The differences are in packaging format only: AD823AARZ is supplied in Tube format, AD823AARZ-R7 is supplied in Cut Tape (CT) & Digi-Reel format, and AD823AARZ-RL is supplied in Cut Tape (CT) & Digi-Reel format. Select the variant based on your procurement and assembly requirements.
Q: Can the OPA1662AIDRQ1 be used in non-automotive applications?
A: Yes, the OPA1662AIDRQ1 can be used in non-automotive applications. The AEC-Q100 automotive qualification indicates enhanced reliability verification and is not restrictive to automotive use. The part is suitable for any application requiring audio-grade amplification with extended temperature range (-40°C to 85°C) and enhanced performance specifications.
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