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TLC4501IDR Equivalent & Substitute Parts
Part Overview
The TLC4501IDR is a general-purpose operational amplifier manufactured by Texas Instruments, housed in an 8-SOIC surface-mount package. This device features rail-to-rail output capability and is designed for linear amplification applications requiring low input offset voltage and minimal input bias current. The part is currently in active production status with RoHS3 compliance and unlimited moisture sensitivity rating.
Substitute parts are identified when equivalent functional performance can be achieved within the specified electrical and mechanical parameters of the TLC4501IDR, particularly when alternative packaging formats or enhanced performance characteristics are acceptable for the application.
Substiute Parts
Key Parameters
| Parameter | Value | Unit |
|---|---|---|
| Amplifier Type | General Purpose | — |
| Number of Circuits | 1 | — |
| Output Type | Rail-to-Rail | — |
| Slew Rate | 2.5 | V/µs |
| Gain Bandwidth Product | 4.7 | MHz |
| Current - Input Bias | 1 | pA |
| Voltage - Input Offset | 10 | µV |
| Current - Supply | 1 | mA |
| Current - Output / Channel | 50 | mA |
| Voltage - Supply Span (Min) | 4 | V |
| Voltage - Supply Span (Max) | 6 | V |
| Operating Temperature | -40 to 125 | °C |
| Package / Case | 8-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 TLC4501IDR are identified based on the following substitution criteria:
Primary Substitution Parameters:
- Amplifier Type: General Purpose
- Number of Circuits: 1
- Output Type: Rail-to-Rail
- Operating Temperature Range: -40°C to 125°C
- Surface Mount Mounting Type
- RoHS3 Compliance
- Moisture Sensitivity Level 1
Secondary Compatibility Factors:
- Slew Rate: 2.5 V/µs or higher
- Gain Bandwidth Product: 4.7 MHz or higher
- Input Bias Current: 1 pA or lower
- Input Offset Voltage: 10 µV or lower
- Supply Current: 1 mA or lower
- Output Current per Channel: 50 mA or higher
- Supply Voltage Range: Minimum 4 V to Maximum 6 V or broader range
Substitute parts may differ in package format (TSOT-23-5, SC-70-5, 6-WLCSP) while maintaining functional equivalence. Parts with enhanced performance characteristics (lower offset voltage, lower supply current, higher bandwidth) are included as valid substitutes when all primary parameters are met.
Parameter Comparison
| Parameter | TLC4501IDR | AD8505ACBZ-R7 | AD8505ARJZ-R7 | AD8538ARZ | AD8538AUJZ-REEL7 | AD8538WAUJZ-R7 | AD8603AUJZ-R2 | AD8603AUJZ-REEL7 | AD8613AKSZ-REEL7 | AD8613AUJZ-REEL7 |
|---|---|---|---|---|---|---|---|---|---|---|
| Amplifier Type | General Purpose | General Purpose | General Purpose | Zero-Drift | Zero-Drift | Zero-Drift | General Purpose | General Purpose | General Purpose | General Purpose |
| Number of Circuits | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| Output Type | Rail-to-Rail | Rail-to-Rail | Rail-to-Rail | — | — | — | Rail-to-Rail | Rail-to-Rail | Rail-to-Rail | Rail-to-Rail |
| Slew Rate (V/µs) | 2.5 | 0.013 | 0.013 | 0.4 | 0.4 | 0.4 | 0.1 | 0.1 | 0.1 | 0.1 |
| Gain Bandwidth Product (MHz) | 4.7 | 0.095 | 0.095 | 0.43 | 0.43 | 0.43 | 0.4 | 0.4 | 0.4 | 0.4 |
| Current - Input Bias (pA) | 1 | 1 | 1 | 15 | 15 | 15 | 0.2 | 0.2 | 0.2 | 0.2 |
| Voltage - Input Offset (µV) | 10 | 500 | 500 | 5 | 5 | 5 | 12 | 12 | 400 | 400 |
| Current - Supply (µA) | 1000 | 15 | 15 | 150 | 150 | 150 | 40 | 40 | 38 | 38 |
| Current - Output / Channel (mA) | 50 | 45 | 45 | 25 | 25 | 25 | 70 | 70 | 80 | 80 |
| Voltage - Supply Span Min (V) | 4 | 1.8 | 1.8 | 2.7 | 2.7 | 2.7 | 1.8 | 1.8 | 1.8 | 1.8 |
| Voltage - Supply Span Max (V) | 6 | 5 | 5 | 5.5 | 5.5 | 5.5 | 5 | 5 | 5 | 5 |
| Operating Temperature (°C) | -40 to 125 | -40 to 125 | -40 to 125 | -40 to 125 | -40 to 125 | -40 to 125 | -40 to 125 | -40 to 125 | -40 to 125 | -40 to 125 |
| Package / Case | 8-SOIC | 6-WLCSP | SOT-23-5 | 8-SOIC | TSOT-23-5 | TSOT-23-5 | TSOT-23-5 | TSOT-23-5 | SC-70-5 | TSOT-23-5 |
| RoHS Status | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant |
| Moisture Sensitivity Level | 1 (Unlimited) | 1 (Unlimited) | 1 (Unlimited) | 1 (Unlimited) | 1 (Unlimited) | 1 (Unlimited) | 1 (Unlimited) | 1 (Unlimited) | 1 (Unlimited) | 1 (Unlimited) |
Engineering Selection Recommendations
All listed substitute parts maintain active product status and full RoHS3 compliance with unlimited moisture sensitivity rating, matching the TLC4501IDR baseline compliance profile.
Package Format Considerations:
The TLC4501IDR is supplied in 8-SOIC packaging. Substitute parts are available in alternative surface-mount packages including TSOT-23-5, SC-70-5, 6-WLCSP, and 8-SOIC formats. Package selection depends on PCB layout constraints and available board space.
Performance Trade-offs:
Substitute parts exhibit lower slew rates and gain bandwidth products compared to the TLC4501IDR. The TLC4501IDR operates at 2.5 V/µs slew rate and 4.7 MHz bandwidth, while substitute parts range from 0.013 V/µs to 0.4 V/µs slew rate and 0.095 MHz to 0.43 MHz bandwidth. Applications requiring the higher bandwidth and slew rate specifications of the TLC4501IDR should not use lower-performance substitutes.
Supply Current Efficiency:
Substitute parts demonstrate significantly lower supply current consumption. The TLC4501IDR draws 1 mA, while substitutes range from 15 µA to 150 µA, providing power efficiency advantages in battery-powered or low-power applications.
Output Current Capability:
The TLC4603AUJZ-REEL7 and AD8613AUJZ-REEL7 provide higher output current capability (70 mA and 80 mA respectively) compared to the TLC4501IDR (50 mA), suitable for applications requiring increased load driving capability.
Frequently Asked Questions (FAQ)
Q: Can AD8538AUJZ-REEL7 directly replace TLC4501IDR in all applications?
A: AD8538AUJZ-REEL7 is a zero-drift amplifier with different performance characteristics. While it maintains general-purpose amplification capability and operates within the same temperature range, its lower slew rate (0.4 V/µs vs. 2.5 V/µs) and lower gain bandwidth product (0.43 MHz vs. 4.7 MHz) make it unsuitable for applications requiring high-speed signal processing. Package format also differs (TSOT-23-5 vs. 8-SOIC).
Q: What is the primary difference between AD8603AUJZ-REEL7 and AD8613AUJZ-REEL7?
A: Both parts are general-purpose rail-to-rail amplifiers in TSOT-23-5 packaging with identical slew rate (0.1 V/µs) and gain bandwidth product (0.4 MHz). The primary difference is input offset voltage: AD8603AUJZ-REEL7 specifies 12 µV while AD8613AUJZ-REEL7 specifies 400 µV. AD8603AUJZ-REEL7 is preferred for precision applications requiring lower offset voltage.
Q: Is the 6-WLCSP package of AD8505ACBZ-R7 compatible with 8-SOIC PCB layouts?
A: No. The 6-WLCSP (0.91 x 1.39 mm) is a wafer-level chip-scale package with different footprint and pin configuration compared to 8-SOIC (0.154", 3.90 mm width). PCB redesign is required for package conversion.
Q: Why do substitute parts show lower supply current than TLC4501IDR?
A: The TLC4501IDR draws 1 mA supply current, while substitute parts range from 15 µA to 150 µA. This difference reflects design optimization for low-power operation in the substitute devices. Applications with strict power budgets benefit from this characteristic.
Q: Can AD8505ARJZ-R7 in SOT-23-5 package be used as a drop-in replacement for TLC4501IDR in 8-SOIC?
A: No. SOT-23-5 and 8-SOIC packages have different pin counts, footprints, and pinouts. While AD8505ARJZ-R7 provides general-purpose amplification, physical package incompatibility prevents direct substitution without PCB redesign.
Q: What is the significance of the automotive grade designation on AD8538WAUJZ-R7?
A: AD8538WAUJZ-R7 carries automotive-grade qualification, indicating compliance with automotive temperature and reliability standards. This designation is relevant only for applications requiring automotive-qualified components. Non-automotive applications can use standard-grade equivalents.
Q: Are all substitute parts available in the same tape and reel packaging as TLC4501IDR?
A: No. TLC4501IDR is supplied in Tape & Reel (TR) format. Substitute parts are available in Cut Tape (CT) & Digi-Reel®, Tube, or Cut Tape & Digi-Reel® formats. Packaging format affects component handling and assembly processes.
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