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TLE2064CDR Equivalent & Substitute Parts
Part Overview
The TLE2064CDR is a J-FET input operational amplifier manufactured by Texas Instruments, configured as a 4-circuit device in 14-SOIC surface mount packaging. This component is classified as Active product status and is RoHS3 compliant. The TLE2064CDR serves applications requiring low input bias current and low input offset voltage characteristics inherent to J-FET amplifier designs. Substitute parts are identified when equivalent electrical performance parameters and mechanical compatibility are maintained within the specified operating ranges.
Substiute Parts
Key Parameters
| Parameter | Value | Unit |
|---|---|---|
| Amplifier Type | J-FET | — |
| Number of Circuits | 4 | — |
| Slew Rate | 3.4 | V/µs |
| Gain Bandwidth Product | 2 | MHz |
| Current - Input Bias | 4 | pA |
| Voltage - Input Offset | 900 | µV |
| Current - Supply (x4 Channels) | 1.25 | mA |
| Current - Output / Channel | 80 | mA |
| Voltage - Supply Span (Min) | 7 | V |
| Voltage - Supply Span (Max) | 36 | V |
| Operating Temperature | 0 to 70 | °C |
| Package / Case | 14-SOIC (0.154", 3.90mm Width) | — |
| Mounting Type | Surface Mount | — |
| RoHS Status | ROHS3 Compliant | — |
| Moisture Sensitivity Level | 1 (Unlimited) | — |
Substitute Part Grouping Explanation
Substitute parts for the TLE2064CDR are identified based on strict alignment with the following electrical and mechanical criteria:
Primary Substitution Criteria:
- Amplifier Type: J-FET or General Purpose
- Number of Circuits: 4
- Package / Case: 14-SOIC (0.154", 3.90mm Width)
- Mounting Type: Surface Mount
- RoHS Status: ROHS3 Compliant
- Moisture Sensitivity Level: 1 (Unlimited)
Electrical Parameter Compatibility:
- Voltage Supply Span must encompass or match the 7V to 36V range
- Current - Input Bias: 4 pA baseline (substitutes with ≤20 pA acceptable for J-FET types)
- Voltage - Input Offset: 900 µV baseline (substitutes with ≤3 mV acceptable)
- Current - Output / Channel: ≥40 mA minimum
- Operating Temperature: 0°C to 70°C minimum coverage required
Substitutes are grouped into two categories: J-FET amplifiers (direct functional equivalents) and General Purpose amplifiers (broader application compatibility with different input characteristics).
Parameter Comparison
| Part Number | Manufacturer | Amplifier Type | Slew Rate (V/µs) | GBW (MHz) | Input Bias (pA) | Input Offset (mV) | Supply Span Min (V) | Supply Span Max (V) | Temp Range (°C) | Output Current (mA) |
|---|---|---|---|---|---|---|---|---|---|---|
| TLE2064CDR | Texas Instruments | J-FET | 3.4 | 2 | 4 | 0.9 | 7 | 36 | 0 to 70 | 80 |
| LF247DT | STMicroelectronics | J-FET | 16 | 4 | 20 | 3 | 44 | 44 | -40 to 105 | 40 |
| LF347D | STMicroelectronics | J-FET | 16 | 3 | 20 | 3 | 44 | 44 | 0 to 70 | 40 |
| LF347DT | STMicroelectronics | J-FET | 16 | 4 | 20 | 3 | 44 | 44 | 0 to 70 | 40 |
| LM2902DR2G | onsemi | General Purpose | — | 1 | 90 | 2 | 3 | 32 | -40 to 105 | 40 |
| NCS20074DR2G | onsemi | General Purpose | 2.4 | 3.2 | 5 | 1.3 | 2.7 | 36 | -40 to 125 | 65 |
| TL074IYDT | STMicroelectronics | J-FET | 13 | 3 | 20 | 3 | 6 | 36 | -40 to 105 | 40 |
| TL084ACDT | STMicroelectronics | J-FET | 16 | 4 | 20 | 3 | 6 | 36 | 0 to 70 | 40 |
| TL084AIDT | STMicroelectronics | J-FET | 16 | 4 | 20 | 3 | 6 | 36 | -40 to 105 | 40 |
| TL084BIDT | STMicroelectronics | J-FET | 16 | 4 | 20 | 1 | 6 | 36 | -40 to 105 | 40 |
| TS514AIDT | STMicroelectronics | General Purpose | 1.5 | 3 | 50 | 0.5 | 6 | 30 | -40 to 125 | 23 |
Engineering Selection Recommendations
J-FET Amplifier Substitutes (Direct Functional Category):
The TL084ACDT, TL084AIDT, and TL084BIDT from STMicroelectronics represent the closest functional equivalents to the TLE2064CDR. All three maintain J-FET amplifier architecture, 4-circuit configuration, and 14-SOIC packaging. The TL084ACDT operates within the identical temperature range (0°C to 70°C) as the main part and carries AEC-Q100 automotive qualification. The TL084AIDT and TL084BIDT extend the operating temperature range to -40°C to 105°C while maintaining AEC-Q100 qualification. The TL084BIDT provides superior input offset voltage specification (1 mV versus 3 mV), beneficial for precision applications.
The LF347DT and LF347D from STMicroelectronics also provide J-FET substitution with enhanced slew rate (16 V/µs) and gain bandwidth product (3-4 MHz). The LF347DT operates at 0°C to 70°C matching the main part temperature range, while LF347D is available in tube packaging. Both feature improved electrical performance but operate at fixed ±22V supply (44V span total).
The TL074IYDT provides J-FET substitution with extended temperature range (-40°C to 105°C) and maintains the 6V to 36V supply span compatibility with the main part.
General Purpose Amplifier Substitutes (Broader Application Category):
The NCS20074DR2G from onsemi offers rail-to-rail output capability with superior input bias current (5 pA) and extended temperature range (-40°C to 125°C). This part maintains supply span compatibility (2.7V to 36V) and provides higher output current (65 mA) than the main part.
The LM2902DR2G from onsemi provides general purpose amplification with lower supply voltage minimum (3V) but operates at 1 MHz gain bandwidth product, lower than the main part specification.
The TS514AIDT from STMicroelectronics is a general purpose amplifier with extended temperature range (-40°C to 125°C) but features reduced output current (23 mA) and maximum supply voltage (30V), limiting its application scope.
Compliance and Certification:
All substitute parts maintain RoHS3 compliance and Moisture Sensitivity Level 1 (Unlimited) matching the main part. The TL084 series variants carry AEC-Q100 automotive qualification, suitable for automotive-grade applications. All parts are classified as Active product status.
Frequently Asked Questions (FAQ)
Q: Can the LF247DT replace the TLE2064CDR in all applications?
A: The LF247DT maintains J-FET amplifier type and 4-circuit configuration in 14-SOIC packaging. However, the fixed ±22V supply span (44V total) differs from the TLE2064CDR's 7V to 36V range. Substitution is valid only when the application operates within the ±22V supply specification. The LF247DT provides superior slew rate (16 V/µs versus 3.4 V/µs) and gain bandwidth product (4 MHz versus 2 MHz).
Q: What is the difference between J-FET and General Purpose amplifier substitutes?
A: J-FET amplifiers (TL084, TL074, LF347 series) feature extremely low input bias current (20 pA) and are optimized for high-impedance signal sources. General Purpose amplifiers (LM2902, NCS20074, TS514) feature higher input bias current (50 nA to 90 nA) but offer broader supply voltage ranges and extended temperature specifications. Selection depends on application input impedance requirements and supply voltage constraints.
Q: Is the NCS20074DR2G suitable as a direct replacement for the TLE2064CDR?
A: The NCS20074DR2G is a General Purpose amplifier, not a J-FET type, with significantly different input bias current characteristics (5 pA versus 4 pA for TLE2064CDR, but 90 nA typical for general purpose category). It provides rail-to-rail output and extended temperature range (-40°C to 125°C). Substitution is valid when the application does not require J-FET input characteristics and can tolerate general purpose amplifier input bias current specifications.
Q: Why do some substitutes show different supply voltage spans?
A: Supply voltage span specifications reflect the manufacturer's tested and guaranteed operating range. The LF247DT operates at fixed ±22V (44V span), while the TLE2064CDR operates from 7V to 36V. Applications must verify that the substitute part's supply span encompasses the actual supply voltage used in the circuit. Substitution is valid when the application supply voltage falls within the substitute part's specified range.
Q: Are the TL084ACDT, TL084AIDT, and TL084BIDT interchangeable?
A: All three TL084 variants maintain identical electrical architecture and 14-SOIC packaging. The TL084ACDT operates 0°C to 70°C (matching TLE2064CDR). The TL084AIDT and TL084BIDT extend to -40°C to 105°C. The TL084BIDT provides superior input offset voltage (1 mV versus 3 mV). All carry AEC-Q100 automotive qualification. Selection depends on required temperature range and offset voltage precision.
Q: What packaging considerations apply to these substitutes?
A: All substitute parts specified in this document are configured for 14-SOIC (0.154", 3.90mm Width) surface mount packaging, matching the TLE2064CDR mechanical footprint. Packaging variants (Tape & Reel, Cut Tape, Tube) affect supply chain and handling but do not impact electrical compatibility or PCB assembly compatibility.
Q: Can the TS514AIDT replace the TLE2064CDR?
A: The TS514AIDT is a General Purpose amplifier with 4-circuit configuration in 14-SOIC packaging. However, it features reduced output current (23 mA versus 80 mA) and maximum supply voltage (30V versus 36V). Substitution is valid only when the application output current requirement does not exceed 23 mA and supply voltage does not exceed 30V. The extended temperature range (-40°C to 125°C) provides advantage for wide-temperature applications.
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