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TL064ID Equivalent & Substitute Parts
Part Overview
The TL064ID is a J-FET input operational amplifier manufactured by STMicroelectronics, configured as a 4-circuit integrated circuit in a 14-SOIC surface mount package. This device is classified as obsolete, though 7300 units remain in stock as new original inventory. The TL064ID operates across a wide supply voltage range of 6V to 36V and maintains performance across the industrial temperature range of -40°C to 105°C.
Due to its obsolete product status, identifying equivalent and substitute parts is necessary for design continuity, long-term supply chain planning, and new production implementations. Substitute devices must maintain functional compatibility through matching amplifier topology, circuit count, package form factor, and critical electrical parameters.
Substiute Parts
Key Parameters
| Parameter | Value | Unit |
|---|---|---|
| Amplifier Type | J-FET | — |
| Number of Circuits | 4 | — |
| Package / Case | 14-SOIC (0.154", 3.90mm Width) | — |
| Slew Rate | 3.5 | V/µs |
| Gain Bandwidth Product | 1 | MHz |
| Current - Input Bias | 30 | pA |
| Voltage - Input Offset | 3 | mV |
| Current - Supply (x4 Channels) | 200 | µA |
| Current - Output / Channel | 20 | mA |
| Voltage - Supply Span (Min) | 6 | V |
| Voltage - Supply Span (Max) | 36 | V |
| Operating Temperature | -40 to 105 | °C |
| Mounting Type | Surface Mount | — |
| RoHS Status | ROHS3 Compliant | — |
| Moisture Sensitivity Level | 1 (Unlimited) | — |
Substitute Part Grouping Explanation
Substitute parts for the TL064ID are grouped based on strict adherence to the following electrical and mechanical compatibility criteria:
Primary Substitution Criteria:
- Amplifier Type: J-FET topology required for input bias current and offset voltage characteristics
- Number of Circuits: 4 independent amplifier circuits
- Package / Case: 14-SOIC form factor with 0.154" (3.90mm) width
- Mounting Type: Surface mount configuration
- Supply Voltage Range: Minimum 6V to maximum 36V operation
- Operating Temperature: Support for -40°C to 105°C range
Secondary Compatibility Parameters:
- Slew Rate: 3.5V/µs baseline performance
- Gain Bandwidth Product: 1 MHz baseline performance
- Input Bias Current: 30 pA baseline
- Input Offset Voltage: 3 mV baseline
- Output Current per Channel: 20 mA baseline
- Supply Current: 200µA across 4 channels baseline
Substitute devices meeting all primary criteria are classified as direct functional equivalents. Devices with enhanced performance characteristics (higher slew rate, greater bandwidth, lower bias current, reduced offset voltage) are classified as performance-upgraded alternatives suitable for applications with relaxed or identical specifications.
Parameter Comparison
| Parameter | TL064ID | AD8513ARZ | AD8684ARZ | ADA4000-4ARZ |
|---|---|---|---|---|
| Manufacturer | STMicroelectronics | Analog Devices Inc. | Analog Devices Inc. | Analog Devices Inc. |
| Product Status | Obsolete | Active | Active | Active |
| Amplifier Type | J-FET | J-FET | J-FET | J-FET |
| Number of Circuits | 4 | 4 | 4 | 4 |
| Package / Case | 14-SOIC | 14-SOIC | 14-SOIC | 14-SOIC |
| Slew Rate (V/µs) | 3.5 | 20 | 9 | 20 |
| Gain Bandwidth Product (MHz) | 1 | 8 | 3.5 | 5 |
| Current - Input Bias (pA) | 30 | 25 | 6 | 5 |
| Voltage - Input Offset (mV) | 3 | 0.1 | 0.35 | 0.2 |
| Current - Supply (µA, x4 Channels) | 200 | 2200 | 210 | 1350 |
| Current - Output / Channel (mA) | 20 | 70 | 12 | 28 |
| Voltage - Supply Span Min (V) | 6 | 10 | 9 | 8 |
| Voltage - Supply Span Max (V) | 36 | 30 | 36 | 36 |
| Operating Temperature (°C) | -40 to 105 | -40 to 125 | -40 to 85 | -40 to 125 |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount |
| RoHS Status | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant |
Engineering Selection Recommendations
Direct Functional Equivalents (Primary Substitutes):
The AD8513ARZ, AD8513ARZ-REEL, and AD8513ARZ-REEL7 devices from Analog Devices Inc. provide direct functional equivalence to the TL064ID. All three variants maintain identical electrical specifications and differ only in packaging format (Tube, Tape & Reel, or Cut Tape & Digi-Reel). These devices are classified as active products with ROHS3 compliance and unlimited moisture sensitivity rating. The AD8513 series exhibits enhanced performance characteristics including 20V/µs slew rate, 8 MHz gain bandwidth product, and superior input bias current of 25 pA. The minimum supply voltage requirement increases to 10V, which must be verified against application requirements. Operating temperature extends to 125°C, providing broader thermal coverage than the TL064ID.
Performance-Upgraded Alternatives:
The AD8684ARZ, AD8684ARZ-REEL, and AD8684ARZ-REEL7 devices provide J-FET amplifier topology with enhanced slew rate (9V/µs) and improved input bias current (6 pA) while maintaining 3.5 MHz gain bandwidth product comparable to the TL064ID baseline. These devices support the full 36V maximum supply voltage and operate across -40°C to 85°C. Supply current remains at 210µA, closely matching the TL064ID specification. Output current per channel is reduced to 12 mA.
The ADA4000-4ARZ device offers the highest performance upgrade with 20V/µs slew rate, 5 MHz gain bandwidth product, and exceptional input bias current of 5 pA. This device supports 8V to 36V supply range and operates to 125°C. Supply current increases to 1.35mA, and output current per channel is 28 mA.
Compliance and Availability:
All substitute devices maintain ROHS3 compliance, unlimited moisture sensitivity rating (MSL 1), and REACH unaffected status, matching the TL064ID regulatory profile. Inventory availability varies across packaging formats, with AD8513ARZ-REEL7 offering the highest stock level at 17,697 units.
Frequently Asked Questions (FAQ)
Q: Can the AD8513ARZ directly replace the TL064ID in existing designs?
A: The AD8513ARZ maintains J-FET amplifier topology, 4-circuit configuration, and 14-SOIC package compatibility. However, the minimum supply voltage increases from 6V to 10V. Designs operating below 10V supply voltage require alternative selection. All other electrical parameters are compatible or superior.
Q: What is the primary difference between AD8513ARZ, AD8513ARZ-REEL, and AD8513ARZ-REEL7?
A: These three part numbers are electrically identical. The differences are packaging format only: Tube, Tape & Reel (TR), and Cut Tape & Digi-Reel (CT) respectively. Selection depends on assembly process requirements and inventory management preferences.
Q: How does the AD8684ARZ compare to the ADA4000-4ARZ?
A: Both devices provide J-FET amplifier topology in 14-SOIC packages. The ADA4000-4ARZ offers superior slew rate (20V/µs versus 9V/µs) and lower input bias current (5 pA versus 6 pA). The AD8684ARZ provides lower supply current (210µA versus 1.35mA) and higher output current per channel (12 mA versus 28 mA). Selection depends on application requirements for speed, power consumption, and output drive capability.
Q: Are there temperature range limitations when substituting the TL064ID?
A: The TL064ID operates to 105°C. The AD8513ARZ and ADA4000-4ARZ extend to 125°C, providing broader coverage. The AD8684ARZ operates only to 85°C, which is more restrictive. Applications requiring operation above 85°C must select AD8513ARZ or ADA4000-4ARZ variants.
Q: What supply voltage range must be verified during substitution?
A: The TL064ID operates from 6V to 36V. The AD8513ARZ requires minimum 10V, reducing the lower operating range. The AD8684ARZ requires minimum 9V. The ADA4000-4ARZ requires minimum 8V. All devices support 36V maximum. Designs operating at 6V to 8V supply voltage cannot use AD8513ARZ and must select AD8684ARZ or ADA4000-4ARZ.
Q: Do all substitute devices maintain the same package footprint?
A: Yes. All substitute devices use 14-SOIC (0.154", 3.90mm width) surface mount packages, providing identical PCB footprint compatibility with the TL064ID.
Q: What is the significance of the different packaging options (Tube, TR, CT)?
A: Tube packaging is suitable for manual assembly or low-volume production. Tape & Reel (TR) and Cut Tape & Digi-Reel (CT) formats are designed for automated pick-and-place assembly. Selection depends on manufacturing process and volume requirements. Electrical performance is identical across all packaging formats for the same base part number.
Q: How do input bias current specifications affect circuit design?
A: Lower input bias current reduces input offset current errors and improves accuracy in high-impedance circuits. The TL064ID specifies 30 pA. The AD8513ARZ provides 25 pA, AD8684ARZ provides 6 pA, and ADA4000-4ARZ provides 5 pA. Applications with input impedances exceeding 1 MΩ benefit from the lower bias current of AD8684ARZ or ADA4000-4ARZ variants.
Q: What is the impact of slew rate differences on circuit performance?
A: Slew rate determines the maximum rate of output voltage change. The TL064ID specifies 3.5V/µs. Higher slew rates (AD8513ARZ and ADA4000-4ARZ at 20V/µs) support faster signal transitions and higher frequency operation. Applications with signal frequencies below 100 kHz are unaffected by slew rate differences. High-frequency or fast-transient applications benefit from the enhanced slew rate of AD8513ARZ or ADA4000-4ARZ.
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