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ISL28107FUZ-T13 Equivalent & Substitute Parts
Part Overview
The ISL28107FUZ-T13 is a general purpose operational amplifier manufactured by Renesas Electronics Corporation, housed in an 8-MSOP surface mount package. This device is classified as obsolete, which necessitates identification of active equivalent and substitute components for ongoing design support and procurement continuity. The ISL28107FUZ-T13 features a single amplifier circuit with low input bias current (15 pA) and low input offset voltage (5 µV), suitable for precision analog signal conditioning applications requiring extended supply voltage range (4.5 V to 40 V).
Substiute Parts
Key Parameters
| Parameter | Value | Unit |
|---|---|---|
| Amplifier Type | General Purpose | — |
| Number of Circuits | 1 | — |
| Slew Rate | 0.32 | V/µs |
| Gain Bandwidth Product | 1 | MHz |
| Current - Input Bias | 15 | pA |
| Voltage - Input Offset | 5 | µV |
| Current - Supply | 210 | µA |
| Current - Output / Channel | 40 | mA |
| Voltage - Supply Span (Min) | 4.5 | V |
| Voltage - Supply Span (Max) | 40 | V |
| Operating Temperature | -40 to 125 | °C |
| Package / Case | 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) | — |
| Mounting Type | Surface Mount | — |
| RoHS Status | ROHS3 Compliant | — |
| Moisture Sensitivity Level (MSL) | 3 (168 Hours) | — |
Substitute Part Grouping Explanation
Substitute parts for the ISL28107FUZ-T13 are categorized based on amplifier topology, electrical performance characteristics, and package compatibility. The primary substitution criteria are:
Electrical Compatibility Parameters:
- Amplifier Type (General Purpose, Voltage Feedback, or Current Feedback)
- Number of Circuits (single channel)
- Supply voltage range compatibility
- Operating temperature range coverage
- Output current capability
- Slew rate and bandwidth performance
Mechanical Compatibility Parameters:
- Surface mount package format (8-MSOP / 8-TSSOP)
- Pin count and footprint alignment
- Exposed pad configuration
Regulatory & Compliance Parameters:
- RoHS3 compliance status
- Product status (Active preferred over Last Time Buy or Obsolete)
- Moisture sensitivity level
The substitute parts are grouped into two functional categories:
Group 1: General Purpose Amplifier Substitutes (OP1177 Series) These devices maintain the general purpose amplifier topology and are suitable for direct replacement in applications where the ISL28107FUZ-T13 operates within standard signal conditioning roles. The OP1177ARMZ variants offer active product status with improved slew rate (0.7 V/µs vs. 0.32 V/µs) and higher gain bandwidth product (1.3 MHz vs. 1 MHz).
Group 2: High-Performance Amplifier Substitutes (THS Series) These devices represent higher-performance alternatives with different amplifier topologies (Current Feedback and Voltage Feedback). The THS3001 series provides current feedback architecture with significantly higher slew rate (6500 V/µs) and gain bandwidth product (1.75 GHz), suitable for applications requiring extended bandwidth. The THS4081 series provides voltage feedback architecture with moderate performance enhancement (230 V/µs slew rate, 175 MHz bandwidth).
Parameter Comparison
| Parameter | ISL28107FUZ-T13 | OP1177ARMZ | OP1177ARMZ-R7 | OP1177ARMZ-REEL | THS3001CDGN | THS3001HVIDGN | THS4081IDGN | THS4081IDGNR |
|---|---|---|---|---|---|---|---|---|
| Manufacturer | Renesas | Analog Devices | Analog Devices | Analog Devices | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments |
| Amplifier Type | General Purpose | General Purpose | General Purpose | General Purpose | Current Feedback | Current Feedback | Voltage Feedback | Voltage Feedback |
| Number of Circuits | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| Slew Rate (V/µs) | 0.32 | 0.7 | 0.7 | 0.7 | 6500 | 6500 | 230 | 230 |
| Gain Bandwidth Product (MHz) | 1 | 1.3 | 1.3 | 1.3 | 1750 | 1750 | — | — |
| Current - Input Bias (pA) | 15 | 500 | 500 | 500 | 2000 | 2000 | 1200 | 1200 |
| Voltage - Input Offset (µV) | 5 | 15 | 15 | 15 | 1000 | 1000 | 1000 | 1000 |
| Current - Supply (µA) | 210 | 400 | 400 | 400 | 6600 | 6900 | 3400 | 3400 |
| Current - Output / Channel (mA) | 40 | 10 | 10 | 10 | 120 | 120 | 85 | 85 |
| Voltage - Supply Span Min (V) | 4.5 | 5 | 5 | 5 | 9 | 9 | 10 | 10 |
| Voltage - Supply Span Max (V) | 40 | 36 | 36 | 36 | 33 | 37 | 30 | 30 |
| Operating Temperature (°C) | -40 to 125 | -40 to 125 | -40 to 125 | -40 to 125 | 0 to 70 | -40 to 85 | -40 to 85 | -40 to 85 |
| Package / Case | 8-MSOP | 8-MSOP | 8-MSOP | 8-MSOP | 8-HVSSOP | 8-HVSSOP | 8-HVSSOP | 8-HVSSOP |
| Product Status | Obsolete | Active | Active | Active | Last Time Buy | Last Time Buy | Active | Active |
| RoHS Status | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant |
| Moisture Sensitivity Level (MSL) | 3 (168 Hours) | 1 (Unlimited) | 1 (Unlimited) | 1 (Unlimited) | 1 (Unlimited) | 1 (Unlimited) | 1 (Unlimited) | 1 (Unlimited) |
Engineering Selection Recommendations
Primary Recommendation: OP1177ARMZ-R7 or OP1177ARMZ-REEL
The OP1177ARMZ variants from Analog Devices represent the most direct functional substitutes for the ISL28107FUZ-T13. These devices maintain general purpose amplifier topology with single-circuit configuration and 8-MSOP package compatibility. Key advantages include:
- Active product status with established long-term availability
- ROHS3 compliance and improved moisture sensitivity level (MSL 1 vs. MSL 3)
- Enhanced slew rate (0.7 V/µs vs. 0.32 V/µs) and gain bandwidth product (1.3 MHz vs. 1 MHz)
- Operating temperature range (-40°C to 125°C) matches the original device
- Supply voltage range (5 V to 36 V) covers most applications within the ISL28107FUZ-T13 operating envelope
The OP1177ARMZ-R7 variant is packaged in Cut Tape & Digi-Reel format with 45,200 units in stock. The OP1177ARMZ-REEL variant offers identical electrical specifications with 17,400 units available. Selection between these variants depends on procurement and assembly requirements.
Secondary Recommendation: THS4081IDGNR
The THS4081IDGNR from Texas Instruments provides a voltage feedback amplifier topology with active product status and extended operating temperature range (-40°C to 85°C). This device is suitable for applications requiring higher output current (85 mA vs. 40 mA) and improved slew rate (230 V/µs vs. 0.32 V/µs). The THS4081IDGNR is available in Tape & Reel packaging with 19,133 units in stock. Supply voltage range (10 V to 30 V) is more restrictive than the original device and requires verification for compatibility with existing designs.
Alternative Consideration: THS3001HVIDGN
The THS3001HVIDGN from Texas Instruments provides current feedback amplifier topology with significantly enhanced performance characteristics (6500 V/µs slew rate, 1.75 GHz gain bandwidth product). This device is classified as Last Time Buy and is suitable only for applications requiring high-frequency performance beyond the capabilities of the ISL28107FUZ-T13. Operating temperature range (-40°C to 85°C) and supply voltage range (9 V to 37 V) require design verification. Inventory availability is limited (1,163 units).
Not Recommended: THS3001CDGN
The THS3001CDGN is classified as Last Time Buy with restricted operating temperature range (0°C to 70°C), which does not support the full temperature envelope of the original ISL28107FUZ-T13 (-40°C to 125°C). This device is suitable only for applications with narrower temperature requirements.
Frequently Asked Questions (FAQ)
Q: Can the OP1177ARMZ directly replace the ISL28107FUZ-T13 without circuit modifications?
A: The OP1177ARMZ maintains electrical and mechanical compatibility for most general purpose amplifier applications. Both devices feature single-circuit general purpose amplifier topology in 8-MSOP packages with compatible pin configurations. However, design verification is required for applications sensitive to the following parameter differences: input bias current (500 pA vs. 15 pA), input offset voltage (15 µV vs. 5 µV), and supply current (400 µA vs. 210 µA). The OP1177ARMZ offers improved slew rate and bandwidth, which may require compensation network adjustment in some designs.
Q: What is the difference between OP1177ARMZ, OP1177ARMZ-R7, and OP1177ARMZ-REEL?
A: These three part numbers represent identical electrical devices with different packaging and delivery formats. OP1177ARMZ is supplied in Tube packaging. OP1177ARMZ-R7 and OP1177ARMZ-REEL are both supplied in Cut Tape & Digi-Reel format, suitable for automated assembly processes. Selection depends on procurement requirements and assembly equipment compatibility. All three variants are active products with ROHS3 compliance and MSL 1 moisture sensitivity.
Q: Why are the THS3001 and THS4081 series listed as substitutes if they have different amplifier topologies?
A: The THS3001 (current feedback) and THS4081 (voltage feedback) series are listed as functional alternatives for applications where the ISL28107FUZ-T13 operates within its performance envelope but where enhanced bandwidth or slew rate is beneficial. These devices share the same 8-MSOP package footprint and single-circuit configuration. However, current feedback and voltage feedback topologies have different frequency response characteristics and require different compensation networks. These devices are suitable only for applications where the design can accommodate topology-specific compensation requirements.
Q: Is the ISL28107FUZ-T13 still available for procurement?
A: The ISL28107FUZ-T13 is classified as obsolete. While 1,134 units are currently in stock, long-term availability cannot be assured. New designs should incorporate active substitute devices such as the OP1177ARMZ series. Existing designs using the ISL28107FUZ-T13 should initiate qualification of substitute components to ensure supply chain continuity.
Q: What are the key electrical differences between the ISL28107FUZ-T13 and OP1177ARMZ?
A: The primary electrical differences are: (1) Input bias current: ISL28107FUZ-T13 features 15 pA vs. OP1177ARMZ 500 pA, making the original device superior for ultra-low bias current applications; (2) Slew rate: OP1177ARMZ provides 0.7 V/µs vs. ISL28107FUZ-T13 0.32 V/µs, enabling faster signal transitions; (3) Gain bandwidth product: OP1177ARMZ provides 1.3 MHz vs. ISL28107FUZ-T13 1 MHz; (4) Supply current: OP1177ARMZ draws 400 µA vs. ISL28107FUZ-T13 210 µA. Applications requiring ultra-low input bias current or minimal supply current consumption may require design modifications when substituting with the OP1177ARMZ.
Q: Are all substitute parts RoHS3 compliant?
A: Yes, all substitute parts listed in this reference are RoHS3 compliant. The original ISL28107FUZ-T13 is also RoHS3 compliant. All devices meet current environmental and regulatory requirements for electronic component manufacturing and use.
Q: What is the significance of the MSL (Moisture Sensitivity Level) difference between ISL28107FUZ-T13 and substitute parts?
A: The ISL28107FUZ-T13 has MSL 3 (168 hours), while all substitute parts have MSL 1 (unlimited). MSL rating indicates the maximum time a component can be exposed to ambient conditions (typically 30°C, 85% relative humidity) before soldering. MSL 1 components have unlimited shelf life under standard storage conditions, while MSL 3 components require more stringent moisture control and have a 168-hour exposure limit. Substitute parts with MSL 1 offer superior handling flexibility and reduced risk of moisture-induced failures during assembly.
Q: Can the THS4081IDGNR be used in applications requiring the full -40°C to 125°C temperature range of the ISL28107FUZ-T13?
A: No. The THS4081IDGNR has an operating temperature range of -40°C to 85°C, which does not cover the upper temperature limit (125°C) of the original ISL28107FUZ-T13. Applications requiring operation at temperatures above 85°C must retain the ISL28107FUZ-T13 or identify alternative devices with extended temperature ratings. The OP1177ARMZ series maintains the full -40°C to 125°C temperature range and is suitable for such applications.
Q: What supply voltage range limitations should be considered when substituting the ISL28107FUZ-T13?
A: The ISL28107FUZ-T13 operates from 4.5 V to 40 V. The OP1177ARMZ series operates from 5 V to 36 V, which is slightly more restrictive at both the minimum (5 V vs. 4.5 V) and maximum (36 V vs. 40 V) limits. The THS4081 series operates from 10 V to 30 V, which is significantly more restrictive. Applications operating at supply voltages below 5 V or above 36 V require retention of the ISL28107FUZ-T13 or identification of alternative devices with extended supply voltage ratings.
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