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TLE2064AIDR Equivalent & Substitute Parts Reference
Part Overview
The TLE2064AIDR is a J-FET input operational amplifier manufactured by Texas Instruments, configured as a 4-circuit integrated circuit in 14-SOIC surface mount packaging. This device is classified as Active product status and is ROHS3 compliant. The TLE2064AIDR is utilized in applications requiring low input bias current and low input offset voltage characteristics inherent to J-FET amplifier topology. Substitute parts are identified when equivalent electrical performance parameters and identical packaging specifications are required for design flexibility, supply chain continuity, or inventory optimization.
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 | 1.25 | mA (x4 Channels) |
| Current - Output / Channel | 80 | mA |
| Voltage - Supply Span (Min) | 7 | V |
| Voltage - Supply Span (Max) | 36 | V |
| Operating Temperature | -40 to 85 | °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 TLE2064AIDR are selected based on strict electrical and mechanical compatibility criteria. The primary substitution parameters are:
Critical Matching Parameters:
- Number of Circuits: 4 (all substitutes must be quad-channel amplifiers)
- Package / Case: 14-SOIC form factor (0.154", 3.90mm Width)
- Mounting Type: Surface Mount
- RoHS Status: ROHS3 Compliant
- Moisture Sensitivity Level: MSL 1 or MSL 3 acceptable
Electrical Performance Parameters:
- Amplifier Type: J-FET topology preferred for input bias current characteristics below 100 pA
- Voltage - Supply Span: Minimum 7 V to 36 V maximum required
- Operating Temperature: -40°C minimum to 85°C minimum required
- Current - Output / Channel: Minimum 40 mA required
Substitutes are grouped into two categories: J-FET amplifiers (LF247DT, LF347D, LF347DT) maintaining identical amplifier topology, and general-purpose amplifiers (ADA4004-4ARZ-R7, AS324AMTR-G1, LM224D, LM324AD, MC3303DT, OP4177ARZ-REEL, OP4177ARZ-REEL7) offering alternative performance characteristics within compatible electrical specifications.
Parameter Comparison
| Parameter | TLE2064AIDR | LF247DT | LF347D | LF347DT | ADA4004-4ARZ-R7 | AS324AMTR-G1 | LM224D | LM324AD | MC3303DT | OP4177ARZ-REEL | OP4177ARZ-REEL7 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Amplifier Type | J-FET | J-FET | J-FET | J-FET | General Purpose | General Purpose | General Purpose | General Purpose | General Purpose | General Purpose | General Purpose |
| Number of Circuits | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 |
| Slew Rate (V/µs) | 3.4 | 16 | 16 | 16 | 2.7 | — | 0.4 | 0.4 | 0.5 | 0.7 | 0.7 |
| Gain Bandwidth Product (MHz) | 2 | 4 | 3 | 4 | 12 | — | 1.2 | 1.3 | 1 | 1.3 | 1.3 |
| Current - Input Bias (pA/nA) | 4 pA | 20 pA | 20 pA | 20 pA | 40 nA | 20 nA | 20 nA | 20 nA | 40 nA | 500 pA | 500 pA |
| Voltage - Input Offset (µV/mV) | 900 µV | 3 mV | 3 mV | 3 mV | 40 µV | 2 mV | 2 mV | 2 mV | 1 mV | 15 µV | 15 µV |
| Current - Supply (mA) | 1.25 | 1.4 | 1.4 | 1.4 | — | 1 | 1.5 | 1.5 | 2.8 | 0.4 | 0.4 |
| Current - Output / Channel (mA) | 80 | 40 | 40 | 40 | 10 | 40 | 40 | 30 | 30 | 10 | 10 |
| Voltage - Supply Span Min (V) | 7 | 44 | 44 | 44 | 10 | 3 | 3 | 3 | 3 | 5 | 5 |
| Voltage - Supply Span Max (V) | 36 | 44 | 44 | 44 | 30 | 36 | 30 | 30 | 36 | 30 | 30 |
| Operating Temperature (°C) | -40 to 85 | -40 to 105 | 0 to 70 | 0 to 70 | -40 to 125 | -40 to 85 | -40 to 105 | 0 to 70 | -40 to 105 | -40 to 125 | -40 to 125 |
| Package / Case | 14-SOIC | 14-SOIC | 14-SOIC | 14-SOIC | 14-SOIC | 14-SOIC | 14-SOIC | 14-SOIC | 14-SOIC | 14-SOIC | 14-SOIC |
| RoHS Status | ROHS3 | ROHS3 | ROHS3 | ROHS3 | ROHS3 | ROHS3 | ROHS3 | ROHS3 | ROHS3 | ROHS3 | ROHS3 |
| Moisture Sensitivity Level | MSL 1 | MSL 1 | MSL 1 | MSL 1 | MSL 3 | MSL 3 | MSL 1 | MSL 1 | MSL 1 | MSL 3 | MSL 3 |
Engineering Selection Recommendations
J-FET Amplifier Substitutes (Preferred for Input Bias Current Characteristics):
LF247DT, LF347D, and LF347DT are J-FET amplifiers maintaining the same amplifier topology as the TLE2064AIDR. These devices are ROHS3 compliant with MSL 1 rating. LF247DT and LF347DT offer higher slew rate (16 V/µs) and gain bandwidth product (4 MHz and 4 MHz respectively) compared to the main part. LF347D provides 3 MHz gain bandwidth product. All three J-FET substitutes maintain input bias current in the 20 pA range, significantly lower than general-purpose alternatives. Operating temperature ranges vary: LF247DT supports -40°C to 105°C, while LF347D and LF347DT support 0°C to 70°C. Voltage supply span for all three J-FET substitutes is 44 V minimum to 44 V maximum, which exceeds the TLE2064AIDR requirement of 7 V to 36 V.
General-Purpose Amplifier Substitutes (Alternative Performance Profile):
ADA4004-4ARZ-R7 and OP4177ARZ-REEL7 are general-purpose amplifiers with ROHS3 compliance and extended operating temperature to -40°C to 125°C. ADA4004-4ARZ-R7 features 12 MHz gain bandwidth product and 2.7 V/µs slew rate. OP4177ARZ-REEL and OP4177ARZ-REEL7 provide 1.3 MHz gain bandwidth product and 0.7 V/µs slew rate with ultra-low input offset voltage (15 µV). These general-purpose devices have higher input bias current (40 nA to 500 pA) compared to J-FET alternatives.
AS324AMTR-G1 is a general-purpose amplifier with -40°C to 85°C operating temperature matching the main part, 20 nA input bias current, and 3 V to 36 V supply span compatibility. Current output per channel is 40 mA, meeting the minimum requirement.
LM224D and LM324AD are general-purpose amplifiers with ROHS3 compliance and MSL 1 rating. LM224D supports -40°C to 105°C operating temperature, while LM324AD supports 0°C to 70°C. Both feature 1.2 to 1.3 MHz gain bandwidth product and 0.4 V/µs slew rate.
MC3303DT is a general-purpose amplifier with -40°C to 105°C operating temperature, 1 MHz gain bandwidth product, and 0.5 V/µs slew rate. Supply span is 3 V to 36 V, compatible with the main part specification.
All substitute parts are Active product status and ROHS3 compliant. Selection should be based on specific application requirements for input bias current, slew rate, gain bandwidth product, and operating temperature range.
Frequently Asked Questions (FAQ)
Q: Can LF247DT, LF347D, or LF347DT be used as direct replacements for TLE2064AIDR?
A: LF247DT and LF347DT are compatible substitutes in 14-SOIC packaging with J-FET amplifier topology. Both maintain low input bias current (20 pA) and are ROHS3 compliant with MSL 1 rating. LF247DT supports -40°C to 105°C operating temperature, exceeding the TLE2064AIDR range. LF347D is also a J-FET substitute but operates only 0°C to 70°C, which does not meet the full -40°C to 85°C requirement of the main part. Electrical parameters differ: LF247DT and LF347DT provide higher slew rate (16 V/µs) and gain bandwidth product (4 MHz) than the TLE2064AIDR (3.4 V/µs, 2 MHz). Voltage supply span for these J-FET substitutes is 44 V, exceeding the 7 V to 36 V requirement.
Q: What is the difference between J-FET and general-purpose amplifier substitutes?
A: J-FET amplifiers (LF247DT, LF347D, LF347DT) feature input bias current in the picoampere range (20 pA), making them suitable for high-impedance input applications. General-purpose amplifiers (ADA4004-4ARZ-R7, AS324AMTR-G1, LM224D, LM324AD, MC3303DT, OP4177ARZ-REEL, OP4177ARZ-REEL7) have input bias current ranging from 20 nanoamperes to 500 picoamperes. The TLE2064AIDR is a J-FET device with 4 pA input bias current. Selection between J-FET and general-purpose substitutes depends on application sensitivity to input bias current and offset voltage characteristics.
Q: Are all substitute parts available in 14-SOIC packaging?
A: All listed substitute parts are available in 14-SOIC (0.154", 3.90mm Width) surface mount packaging, matching the TLE2064AIDR package specification. Packaging variants differ: some substitutes are supplied in Cut Tape (CT) & Digi-Reel format, others in Tape & Reel (TR) or Tube. These packaging differences do not affect electrical compatibility or PCB mounting characteristics.
Q: Which substitute parts support the full -40°C to 85°C operating temperature range of the TLE2064AIDR?
A: AS324AMTR-G1 supports -40°C to 85°C operating temperature, exactly matching the TLE2064AIDR specification. LF247DT extends to -40°C to 105°C, exceeding the requirement. ADA4004-4ARZ-R7 and OP4177ARZ-REEL7 support -40°C to 125°C. LM224D supports -40°C to 105°C. MC3303DT supports -40°C to 105°C. LF347D, LF347DT, LM324AD, and OP4177ARZ-REEL have reduced temperature ranges (0°C to 70°C or 0°C to 70°C), which do not meet the full -40°C to 85°C requirement.
Q: What is the significance of Moisture Sensitivity Level (MSL) rating in substitution?
A: The TLE2064AIDR has MSL 1 (Unlimited) rating, indicating no moisture sensitivity restrictions during storage or handling. J-FET substitutes (LF247DT, LF347D, LF347DT) and several general-purpose substitutes (LM224D, LM324AD, MC3303DT) maintain MSL 1 rating. General-purpose substitutes ADA4004-4ARZ-R7, AS324AMTR-G1, OP4177ARZ-REEL, and OP4177ARZ-REEL7 have MSL 3 (168 Hours) rating, requiring controlled moisture exposure during storage and assembly. MSL 3 components require baking before reflow soldering if moisture absorption exceeds specified limits.
Q: Can general-purpose amplifiers replace J-FET amplifiers in all applications?
A: General-purpose amplifiers have significantly higher input bias current (20 nanoamperes to 500 picoamperes) compared to J-FET amplifiers (4 to 20 picoamperes). Applications with high-impedance input sources or requiring minimal input bias current compensation should use J-FET substitutes. General-purpose amplifiers offer advantages in lower input offset voltage (15 µV for OP4177 series versus 900 µV for TLE2064AIDR) and higher gain bandwidth product (up to 12 MHz for ADA4004-4ARZ-R7). Selection depends on specific circuit requirements for input impedance, offset voltage, and frequency response.
Q: What are the supply voltage compatibility considerations?
A: The TLE2064AIDR requires 7 V to 36 V supply span. J-FET substitutes LF247DT, LF347D, and LF347DT require 44 V supply span, which is narrower than the main part. General-purpose substitutes have varying supply requirements: ADA4004-4ARZ-R7 requires 10 V to 30 V, AS324AMTR-G1 supports 3 V to 36 V, LM224D and LM324AD support 3 V to 30 V, MC3303DT supports 3 V to 36 V, and OP4177 series supports 5 V to 30 V. Applications operating below 7 V or above 30 V may require careful substitute selection.
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