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TLE2144MDW Equivalent & Substitute Parts
Part Overview
The TLE2144MDW is a general-purpose operational amplifier integrated circuit manufactured by Texas Instruments. This device features four independent amplifier circuits in a 16-SOIC surface-mount package with rail-to-rail output capability. The TLE2144MDW is classified as an active product with full 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 specific application performance requirements within the allowed operational envelope.
Substiute Parts
Key Parameters
| Parameter | Value | Unit |
|---|---|---|
| Amplifier Type | General Purpose | — |
| Number of Circuits | 4 | — |
| Output Type | Rail-to-Rail | — |
| Slew Rate | 45 | V/µs |
| Gain Bandwidth Product | 5.9 | MHz |
| Current - Input Bias | 700 | nA |
| Voltage - Input Offset | 290 | µV |
| Current - Supply (x4 Channels) | 6.9 | mA |
| Current - Output / Channel | 50 | mA |
| Voltage - Supply Span (Min) | 4 | V |
| Voltage - Supply Span (Max) | 44 | V |
| Operating Temperature Range | -55 to 125 | °C |
| Package / Case | 16-SOIC (0.295", 7.50mm Width) | — |
| Mounting Type | Surface Mount | — |
| RoHS Status | ROHS3 Compliant | — |
| Moisture Sensitivity Level | 1 (Unlimited) | — |
Substitute Part Grouping Explanation
Substitute parts for the TLE2144MDW are identified based on the following critical parameters that determine functional and mechanical compatibility:
Primary Compatibility Criteria:
- Number of circuits: 4 independent amplifier channels
- Package type: 16-SOIC surface-mount configuration with 0.295" (7.50mm) width
- Mounting type: Surface mount
- Supply voltage range overlap: Minimum 4V to maximum 44V
- RoHS3 compliance and MSL rating
Substitution Logic:
Substitute parts are grouped into two functional categories:
-
General Purpose Amplifiers (TLE2144MDW equivalent class): Parts with general-purpose amplifier topology, including OP470GSZ, OP470GSZ-REEL, and OP471GSZ. These devices maintain the four-circuit configuration and 16-SOIC package format. Electrical performance parameters including slew rate, gain bandwidth product, and supply current vary within acceptable ranges for general-purpose applications.
-
J-FET Amplifiers (Alternative topology): Parts including AD713JRZ-16, AD713JRZ-16-REEL, LT1058ISW#PBF, and LT1058SW#PBF. These devices employ J-FET input stages, resulting in significantly lower input bias current (10 pA versus 700 nA). This topology change affects supply voltage requirements and operating temperature ranges but maintains the four-circuit, 16-SOIC package configuration.
-
Low-Power General Purpose Amplifier (LT1014DSW#TRPBF): This device provides general-purpose amplification with substantially reduced supply current (350 µA versus 6.9 mA) and lower slew rate (0.4 V/µs versus 45 V/µs), suitable for power-constrained applications requiring the same package and circuit count.
Parameter Comparison
| Part Number | Manufacturer | Amplifier Type | Slew Rate (V/µs) | Gain Bandwidth Product (MHz) | Input Bias Current (nA) | Input Offset Voltage (µV) | Supply Current (mA) | Output Current / Channel (mA) | Supply Voltage Min (V) | Supply Voltage Max (V) | Operating Temperature (°C) | Package | Packaging Format |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| TLE2144MDW | Texas Instruments | General Purpose | 45 | 5.9 | 700 | 290 | 6.9 | 50 | 4 | 44 | -55 to 125 | 16-SOIC | Tube |
| AD713JRZ-16 | Analog Devices Inc. | J-FET | 20 | 4 | 0.01 | 300 | 10 | 25 | 9 | 36 | 0 to 70 | 16-SOIC | Tube |
| AD713JRZ-16-REEL | Analog Devices Inc. | J-FET | 20 | 4 | 0.01 | 300 | 10 | 25 | 9 | 36 | 0 to 70 | 16-SOIC | Tape & Reel (TR) |
| LT1014DSW#TRPBF | Analog Devices Inc. | General Purpose | 0.4 | 1 | 15 | 60 | 0.35 | 20 | 4 | 44 | 0 to 70 | 16-SOIC | Tape & Reel (TR) |
| LT1058ISW#PBF | Analog Devices Inc. | J-FET | 13 | 5 | 0.01 | 350 | 1.7 | — | 20 | 36 | -40 to 85 | 16-SOIC | Tube |
| LT1058SW#PBF | Analog Devices Inc. | J-FET | 13 | 5 | 0.01 | 350 | 1.7 | — | 20 | 36 | 0 to 70 | 16-SOIC | Tube |
| OP470GSZ | Analog Devices Inc. | General Purpose | 3 | 6 | 15 | 400 | 9 | — | 9 | 36 | -40 to 85 | 16-SOIC | Tube |
| OP470GSZ-REEL | Analog Devices Inc. | General Purpose | 3 | 6 | 15 | 400 | 9 | — | 9 | 36 | -40 to 85 | 16-SOIC | Cut Tape (CT) & Digi-Reel® |
| OP471GSZ | Analog Devices Inc. | General Purpose | 8 | 6.5 | 25 | 1000 | 9.2 | — | 9 | 36 | -40 to 85 | 16-SOIC | Tube |
Engineering Selection Recommendations
General Purpose Amplifier Substitutes (OP470GSZ, OP470GSZ-REEL, OP471GSZ):
These devices maintain general-purpose amplifier topology and are suitable for applications requiring the TLE2144MDW functional class. All three parts are RoHS3 compliant with MSL rating 1. The OP470GSZ and OP470GSZ-REEL variants are electrically identical, differing only in packaging format (Tube versus Cut Tape & Digi-Reel). The OP471GSZ provides higher slew rate (8 V/µs) and gain bandwidth product (6.5 MHz) compared to OP470 variants. All three operate within the -40°C to 85°C temperature range, which is narrower than the TLE2144MDW range of -55°C to 125°C. Minimum supply voltage for these parts is 9V, which is higher than the TLE2144MDW minimum of 4V.
J-FET Amplifier Substitutes (AD713JRZ-16, AD713JRZ-16-REEL, LT1058ISW#PBF, LT1058SW#PBF):
These devices employ J-FET input stages, resulting in input bias current of 10 pA compared to 700 nA for the TLE2144MDW. The AD713 variants operate at 0°C to 70°C, while LT1058 variants extend to -40°C to 85°C (LT1058ISW#PBF) or 0°C to 70°C (LT1058SW#PBF). All J-FET substitutes require minimum supply voltage of 9V or 20V, exceeding the TLE2144MDW minimum of 4V. All parts are RoHS3 compliant with MSL rating 1.
Low-Power General Purpose Substitute (LT1014DSW#TRPBF):
This device provides general-purpose amplification with supply current of 350 µA, substantially lower than the TLE2144MDW at 6.9 mA. The LT1014DSW#TRPBF operates at 0°C to 70°C and maintains the 4V to 44V supply voltage range of the TLE2144MDW. This part is RoHS3 compliant with MSL rating 1. The significantly reduced slew rate (0.4 V/µs) and gain bandwidth product (1 MHz) restrict this substitute to applications not requiring high-speed performance.
Packaging Format Considerations:
The TLE2144MDW is supplied in Tube packaging. Equivalent electrical performance is available in alternative packaging formats: OP470GSZ-REEL and AD713JRZ-16-REEL provide Tape & Reel or Cut Tape formats for automated assembly processes. LT1014DSW#TRPBF is supplied in Tape & Reel format.
Frequently Asked Questions (FAQ)
Q: Can the OP470GSZ directly replace the TLE2144MDW in all applications?
A: The OP470GSZ maintains the four-circuit, 16-SOIC package configuration and general-purpose amplifier topology. However, the minimum supply voltage requirement is 9V compared to 4V for the TLE2144MDW. Applications operating at supply voltages below 9V require verification of circuit compatibility. The operating temperature range is -40°C to 85°C versus -55°C to 125°C for the TLE2144MDW.
Q: What is the primary difference between the AD713JRZ-16 and AD713JRZ-16-REEL?
A: Both parts are electrically identical. The AD713JRZ-16 is supplied in Tube packaging, while the AD713JRZ-16-REEL is supplied in Tape & Reel format. Selection depends on assembly process requirements and inventory management preferences.
Q: Why does the LT1058ISW#PBF have a wider operating temperature range than the LT1058SW#PBF?
A: The LT1058ISW#PBF operates from -40°C to 85°C, while the LT1058SW#PBF operates from 0°C to 70°C. Both devices are electrically identical in all other parameters. Temperature range selection depends on application environmental requirements.
Q: Is the LT1014DSW#TRPBF suitable for high-speed signal processing applications?
A: The LT1014DSW#TRPBF has a slew rate of 0.4 V/µs and gain bandwidth product of 1 MHz, significantly lower than the TLE2144MDW at 45 V/µs and 5.9 MHz respectively. This device is designed for low-power, low-frequency applications. High-speed applications require substitutes with higher slew rate and bandwidth specifications.
Q: What is the significance of the 16-SOIC package specification?
A: The 16-SOIC (Small Outline Integrated Circuit) package with 0.295" (7.50mm) width is a standard surface-mount configuration. All substitute parts listed maintain this identical package specification, ensuring mechanical and electrical compatibility with existing printed circuit board layouts and assembly processes.
Q: Can J-FET amplifiers (AD713, LT1058 series) be used in applications designed for the TLE2144MDW?
A: J-FET amplifiers offer significantly lower input bias current (10 pA versus 700 nA) and different input offset voltage characteristics. While the package and circuit count are identical, the different input stage topology may affect circuit performance in applications sensitive to input impedance or offset voltage. Circuit-level verification is required for applications with specific input impedance or offset voltage requirements.
Q: Are all substitute parts RoHS3 compliant?
A: All substitute parts listed are RoHS3 compliant with Moisture Sensitivity Level 1 (Unlimited), matching the compliance status of the TLE2144MDW.
Q: What supply voltage range is common to all substitute parts and the TLE2144MDW?
A: The TLE2144MDW operates from 4V to 44V. The general-purpose substitutes (OP470GSZ, OP470GSZ-REEL, OP471GSZ) require minimum 9V. The J-FET substitutes require minimum 9V (AD713 series) or 20V (LT1058 series). The LT1014DSW#TRPBF maintains the 4V to 44V range. Applications requiring operation below 9V are limited to the TLE2144MDW or LT1014DSW#TRPBF.
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