Request Quote
(Ships tomorrow)
AD8682ARZ Equivalent & Substitute Parts
Part Overview
The AD8682ARZ is a J-FET input operational amplifier manufactured by Analog Devices Inc., configured as a dual-channel (2 circuit) device in an 8-SOIC surface mount package. This component is classified as a linear amplifier and maintains Active product status. The AD8682ARZ is specified for applications requiring low input bias current, low input offset voltage, and operation across a wide supply voltage range from 9V to 36V.
Substitute parts are identified when equivalent electrical performance and mechanical compatibility can be maintained within the specified parameter ranges. Alternative components may be required due to inventory availability, supply chain considerations, or specific application requirements while maintaining functional equivalence.
Substiute Parts
Key Parameters
| Parameter | Value | Unit |
|---|---|---|
| Amplifier Type | J-FET | — |
| Number of Circuits | 2 | — |
| Slew Rate | 9 | V/µs |
| Gain Bandwidth Product | 3.5 | MHz |
| Current - Input Bias | 6 | pA |
| Voltage - Input Offset | 350 | µV |
| Current - Supply (per channel) | 210 | µA |
| Current - Output / Channel | 12 | mA |
| Voltage - Supply Span (Min) | 9 | V |
| Voltage - Supply Span (Max) | 36 | V |
| Operating Temperature Range | -40 to 85 | °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
Substitution eligibility for the AD8682ARZ is determined by the following critical parameters:
Primary Compatibility Criteria:
- Amplifier Type: J-FET input configuration
- Number of Circuits: Dual-channel (2 circuit) configuration
- Package / Case: 8-SOIC form factor with 0.154" (3.90mm) width
- Mounting Type: Surface Mount
- Voltage - Supply Span: Minimum 9V and maximum 36V capability
Secondary Performance Parameters:
- Slew Rate: 9 V/µs or greater
- Gain Bandwidth Product: 3.5 MHz or greater
- Current - Input Bias: 6 pA or lower
- Voltage - Input Offset: 350 µV or lower
- Current - Output / Channel: 12 mA or greater
- Operating Temperature: Coverage of -40°C to 85°C range
Substitute parts are grouped based on adherence to these criteria. Parts that maintain J-FET amplifier topology, dual-channel configuration, and 8-SOIC packaging with compatible supply voltage ranges are classified as direct substitutes. Parts with different amplifier types (General Purpose, Audio) or modified temperature ranges are noted for application-specific evaluation.
Parameter Comparison
| Part Number | Manufacturer | Amplifier Type | Slew Rate (V/µs) | GBW (MHz) | Input Bias (pA) | Input Offset (µV) | Supply Min (V) | Supply Max (V) | Temp Range (°C) | Output Current (mA) |
|---|---|---|---|---|---|---|---|---|---|---|
| AD8682ARZ | Analog Devices Inc. | J-FET | 9 | 3.5 | 6 | 350 | 9 | 36 | -40 to 85 | 12 |
| LF253DT | STMicroelectronics | J-FET | 16 | 4 | 20 | 3000 | 6 | 36 | -40 to 105 | 40 |
| LF353DT | STMicroelectronics | J-FET | 16 | 4 | 20 | 3000 | 6 | 36 | 0 to 70 | 40 |
| LM258DR | UMW | General Purpose | — | — | 45000 | 2000 | — | 32 | -25 to 85 | 40 |
| LM833DT | STMicroelectronics | Audio | 7 | 15 | 300000 | 300 | 5 | 30 | -40 to 105 | 37 |
| OPA2131UJ | Texas Instruments | J-FET | 10 | 4 | 50 | 1500 | 9 | 36 | -40 to 85 | 25 |
| TL062CDT | STMicroelectronics | J-FET | 3.5 | 1 | 30 | 3000 | 6 | 36 | 0 to 70 | 20 |
| TL062IDT | STMicroelectronics | J-FET | 3.5 | 1 | 30 | 3000 | 6 | 36 | -40 to 105 | 20 |
| TL072ACDT | STMicroelectronics | J-FET | 16 | 4 | 20 | 3000 | 6 | 36 | 0 to 70 | 40 |
| TL072CDT | STMicroelectronics | J-FET | 16 | 4 | 20 | 3000 | 6 | 36 | 0 to 70 | 40 |
| TL082ACDT | STMicroelectronics | J-FET | 16 | 4 | 20 | 3000 | 6 | 36 | 0 to 70 | 40 |
Engineering Selection Recommendations
Primary Substitutes (J-FET Topology, Full Compatibility):
The OPA2131UJ (Texas Instruments) maintains J-FET amplifier architecture with supply voltage range of 9V to 36V matching the AD8682ARZ. Operating temperature range spans -40°C to 85°C, identical to the main part. Input bias current of 50 pA exceeds the 6 pA specification of the AD8682ARZ; however, this represents improved performance in low-bias applications. Slew rate of 10 V/µs and gain bandwidth product of 4 MHz both exceed the AD8682ARZ specifications. Output current capability of 25 mA exceeds the 12 mA requirement. RoHS3 compliance and REACH unaffected status match the main part. Moisture sensitivity level MSL-3 (168 Hours) differs from the AD8682ARZ MSL-1 rating.
Secondary Substitutes (J-FET Topology, Conditional Compatibility):
The LF253DT and LF353DT (STMicroelectronics) provide J-FET amplifier configuration with enhanced slew rate (16 V/µs) and gain bandwidth product (4 MHz). Supply voltage maximum of 36V is compatible; however, minimum supply voltage of 6V is lower than the AD8682ARZ 9V minimum. LF253DT supports extended temperature range of -40°C to 105°C. LF353DT operates within 0°C to 70°C range, which does not cover the full -40°C to 85°C specification of the AD8682ARZ. Both devices provide 40 mA output current, exceeding the 12 mA requirement.
The TL072CDT and TL072ACDT (STMicroelectronics) offer J-FET topology with 16 V/µs slew rate and 4 MHz gain bandwidth product. Operating temperature range of 0°C to 70°C does not extend to the -40°C lower limit of the AD8682ARZ. TL072ACDT and TL072CDT carry AEC-Q100 automotive qualification. Supply voltage range of 6V to 36V is compatible within the 9V to 36V requirement when minimum supply is 9V or greater in application.
The TL082ACDT (STMicroelectronics) provides J-FET amplifier with 16 V/µs slew rate and 4 MHz gain bandwidth product. Operating temperature range of 0°C to 70°C does not cover the -40°C lower specification. AEC-Q100 automotive qualification is included. Packaging is specified as 8-SO rather than 8-SOIC, though both maintain 0.154" (3.90mm) width.
Limited Compatibility (Non-J-FET Topology):
The LM833DT (STMicroelectronics) is classified as an Audio amplifier rather than J-FET topology. Supply voltage maximum of 30V is lower than the 36V maximum of the AD8682ARZ. Input bias current of 300 nA and input offset voltage of 300 µV differ significantly from the AD8682ARZ specifications. This device is not recommended as a direct substitute due to amplifier type classification.
The LM258DR (UMW) is classified as General Purpose amplifier. Input bias current of 45 nA and input offset voltage of 2 mV differ substantially from the AD8682ARZ. Supply voltage maximum of 32V is lower than the 36V requirement. Slew rate and gain bandwidth product are not specified. This device is not recommended as a direct substitute.
The TL062CDT and TL062IDT (STMicroelectronics) provide J-FET topology but with reduced slew rate (3.5 V/µs) and gain bandwidth product (1 MHz), both lower than the AD8682ARZ specifications. TL062CDT operates within 0°C to 70°C; TL062IDT extends to -40°C to 105°C. These devices are suitable only for applications with reduced bandwidth requirements.
Compliance and Certification:
All listed substitute parts maintain RoHS3 compliance and REACH unaffected status, consistent with the AD8682ARZ. Moisture sensitivity level MSL-1 (Unlimited) is standard across most substitutes, with OPA2131UJ rated MSL-3 (168 Hours). All parts are classified as Active product status.
Frequently Asked Questions (FAQ)
Q: Can the OPA2131UJ directly replace the AD8682ARZ in all applications?
A: The OPA2131UJ maintains J-FET amplifier topology, dual-channel configuration, 8-SOIC packaging, and compatible supply voltage range (9V to 36V) with identical operating temperature limits (-40°C to 85°C). Input bias current of 50 pA is higher than the AD8682ARZ specification of 6 pA. Slew rate and gain bandwidth product exceed the AD8682ARZ. Moisture sensitivity level differs (MSL-3 versus MSL-1). Substitution is valid for applications where the higher input bias current and different moisture sensitivity do not create constraints.
Q: Why do LF253DT and LF353DT have different temperature ranges despite identical part numbers?
A: LF253DT and LF353DT are distinct part numbers with different temperature specifications. LF253DT operates from -40°C to 105°C, while LF353DT operates from 0°C to 70°C. The LF353DT does not meet the -40°C lower temperature requirement of the AD8682ARZ. Selection between these parts depends on the application's minimum operating temperature requirement.
Q: Is the TL072CDT suitable for applications requiring -40°C operation?
A: No. The TL072CDT operates within 0°C to 70°C temperature range and does not extend to the -40°C lower limit specified for the AD8682ARZ. Applications requiring -40°C operation must use the TL062IDT (which supports -40°C to 105°C) or the OPA2131UJ (-40°C to 85°C) if J-FET topology is required.
Q: What is the significance of the 8-SO versus 8-SOIC package designation for TL082ACDT?
A: Both 8-SO and 8-SOIC packages maintain the same 0.154" (3.90mm) width and are surface mount configurations. The designations reflect minor variations in package geometry and lead configuration. Mechanical compatibility with 8-SOIC footprints should be verified with the specific PCB design and component placement requirements.
Q: Why is the LM258DR not recommended as a substitute despite having 40 mA output current?
A: The LM258DR is classified as a General Purpose amplifier rather than J-FET topology. Input bias current of 45 nA is significantly higher than the AD8682ARZ specification of 6 pA. Input offset voltage of 2 mV exceeds the 350 µV specification. Supply voltage maximum of 32V is lower than the 36V requirement. These differences in amplifier type and electrical characteristics make it unsuitable as a direct substitute.
Q: Can TL062CDT or TL062IDT be used in place of AD8682ARZ?
A: TL062CDT and TL062IDT provide J-FET topology and 8-SOIC packaging but with significantly reduced performance specifications. Slew rate of 3.5 V/µs and gain bandwidth product of 1 MHz are both lower than the AD8682ARZ (9 V/µs and 3.5 MHz respectively). These devices are suitable only for applications with reduced bandwidth and slew rate requirements. TL062IDT supports the full -40°C to 105°C temperature range, while TL062CDT is limited to 0°C to 70°C.
Q: What does RoHS3 compliance indicate for these components?
A: RoHS3 compliance indicates conformance to the Restriction of Hazardous Substances Directive, restricting the use of specific hazardous materials including lead, mercury, cadmium, and certain flame retardants. All listed substitute parts maintain RoHS3 compliance, consistent with the AD8682ARZ, ensuring environmental and regulatory compatibility.
Q: How does moisture sensitivity level (MSL) affect component selection?
A: Moisture sensitivity level indicates the component's susceptibility to moisture absorption during storage and handling. MSL-1 (Unlimited) represents the lowest sensitivity with no time restrictions on storage at room temperature. MSL-3 (168 Hours) requires storage in controlled humidity environments and limits exposure time. The AD8682ARZ is rated MSL-1; OPA2131UJ is rated MSL-3. Selection depends on storage and handling capabilities in the manufacturing environment.
Q: Are all substitute parts available in the same packaging options as the AD8682ARZ?
A: The AD8682ARZ is specified in Tube packaging. Substitute parts are available in Cut Tape (CT) & Digi-Reel® or Tube packaging depending on the specific part number. Packaging format affects handling, storage, and automated assembly compatibility. Verify packaging availability with supplier specifications for the selected substitute part.
Alternative Parts
SJ6012L2TP
Littelfuse Inc.
6 Alternative Parts
JMK107BBJ476MA-RE
Taiyo Yuden
10 Alternative Parts
GMK107BBJ475MA-T
Taiyo Yuden
5 Alternative Parts
SJ6020N2ARP
Littelfuse Inc.
3 Alternative Parts
SJ6025R2ATP
Littelfuse Inc.
4 Alternative Parts
2474-05L
API Delevan Inc.
1 Alternative Parts
4590R-684K
API Delevan Inc.
1 Alternative Parts
CM6560R-334
API Delevan Inc.
1 Alternative Parts
CM6460-104
API Delevan Inc.
1 Alternative Parts
5526-12
API Delevan Inc.
1 Alternative Parts