ISL28417FVBZ Equivalent & Substitute Parts

Part Overview

The ISL28417FVBZ is a general purpose operational amplifier integrated circuit manufactured by Renesas Electronics Corporation. This device contains four independent amplifier circuits in a 14-TSSOP surface mount package and operates across a wide supply voltage range of 4.5 V to 40 V with an operating temperature range of -40°C to 125°C.

The ISL28417FVBZ is classified as an obsolete product. Identifying equivalent and substitute components is necessary to maintain design continuity, ensure supply chain availability, and support ongoing production requirements for applications utilizing this amplifier configuration.

Key Parameters

Parameter	Value
Manufacturer	Renesas Electronics Corporation
Part Number	ISL28417FVBZ
Category	Linear, Amplifiers
Amplifier Type	General Purpose
Number of Circuits	4
Package / Case	14-TSSOP (0.173", 4.40mm Width)
Mounting Type	Surface Mount
Slew Rate	0.5 V/µs
Gain Bandwidth Product	1.5 MHz
Current - Input Bias	80 pA
Voltage - Input Offset	10 µV
Current - Supply	440 µA (x4 Channels)
Current - Output / Channel	43 mA
Voltage - Supply Span (Min)	4.5 V
Voltage - Supply Span (Max)	40 V
Operating Temperature	-40°C ~ 125°C
Product Status	Obsolete
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	2 (1 Year)

Substitute Part Grouping Explanation

Substitute components for the ISL28417FVBZ are selected based on strict electrical and mechanical compatibility criteria. The following parameters determine substitution eligibility:

Primary Compatibility Criteria:

Package type: 14-TSSOP surface mount configuration
Number of circuits: Four independent amplifier channels
Supply voltage range: Minimum 4.5 V to maximum 40 V (or compatible subset)
Operating temperature range: -40°C to 125°C (or compatible subset)
Mounting type: Surface mount

Secondary Electrical Parameters:

Slew rate, gain bandwidth product, input bias current, input offset voltage, supply current, and output current per channel are evaluated for application compatibility
Amplifier type (general purpose or J-FET) affects performance characteristics but does not preclude substitution when other parameters align

Substitute parts are grouped into two categories: Active Status Parts (currently in production) and Last Time Buy Parts (limited availability). All substitute parts maintain ROHS3 compliance and are available in 14-TSSOP packaging.

Parameter Comparison

Part Number	Manufacturer	Amplifier Type	Slew Rate (V/µs)	GBW (MHz)	Input Bias (pA)	Input Offset (µV)	Supply Current (µA)	Output Current (mA)	Supply Min (V)	Supply Max (V)	Temp Range (°C)	Product Status
ISL28417FVBZ	Renesas	General Purpose	0.5	1.5	80	10	440	43	4.5	40	-40 ~ 125	Obsolete
ADA4000-4ARUZ	Analog Devices	J-FET	20	5	5	200	1350	28	8	36	-40 ~ 125	Active
ADA4000-4ARUZ-RL	Analog Devices	J-FET	20	5	5	200	1350	28	8	36	-40 ~ 125	Active
MC33179DTBR2G	onsemi	General Purpose	2	5	100000	150	1700	100	4	36	-40 ~ 85	Active
TL064CPW	Texas Instruments	J-FET	3.5	1	30	3000	200	20	10	30	0 ~ 70	Last Time Buy
TL064CPWR	Texas Instruments	J-FET	3.5	1	30	3000	200	20	10	30	0 ~ 70	Active
TL074CPW	Texas Instruments	J-FET	13	5.25	65	3000	1400	Not Specified	10	30	0 ~ 70	Last Time Buy
TL074CPWR	Texas Instruments	J-FET	13	5.25	65	3000	1400	Not Specified	10	30	0 ~ 70	Active
TL084CPT	STMicroelectronics	J-FET	16	4	20	3000	1400	40	6	36	0 ~ 70	Active
TL084CPW	Texas Instruments	J-FET	13	3	30	3000	1400	10	10	30	0 ~ 70	Last Time Buy
TL084CPWR	Texas Instruments	J-FET	13	3	30	3000	1400	10	10	30	0 ~ 70	Active

Engineering Selection Recommendations

For Extended Temperature Range Applications (-40°C to 125°C):

The ADA4000-4ARUZ and ADA4000-4ARUZ-RL from Analog Devices are the only substitute parts that maintain the full -40°C to 125°C operating temperature range of the ISL28417FVBZ. Both variants are Active status products with unlimited moisture sensitivity rating. The ADA4000-4ARUZ-RL is supplied in Tape & Reel packaging, while the ADA4000-4ARUZ is supplied in Tube packaging. These J-FET amplifiers provide superior slew rate (20 V/µs) and gain bandwidth product (5 MHz) compared to the original part.

For Standard Temperature Range Applications (0°C to 70°C):

Multiple Active status alternatives are available for applications operating within the 0°C to 70°C range:

TL064CPWR (Texas Instruments): Maintains the lowest gain bandwidth product (1 MHz) among substitutes, closest to the original 1.5 MHz specification. Requires minimum 10 V supply voltage.
TL074CPWR (Texas Instruments): Provides higher slew rate (13 V/µs) and gain bandwidth product (5.25 MHz) with 31,027 units in stock. Requires minimum 10 V supply voltage.
TL084CPT (STMicroelectronics): Automotive-qualified component with AEC-Q100 certification. Supports 6 V to 36 V supply range and provides 40 mA output current per channel. Suitable for automotive and industrial applications.
TL084CPWR (Texas Instruments): Active status with 2,800 units in stock. Provides 13 V/µs slew rate and 3 MHz gain bandwidth product.

For General Purpose Applications with Relaxed Temperature Requirements:

The MC33179DTBR2G from onsemi is an Active status general purpose amplifier with the widest supply voltage range (4 V to 36 V) among substitutes. This part supports the lowest minimum supply voltage and provides 100 mA output current per channel. Operating temperature range is -40°C to 85°C.

Compliance and Availability:

All substitute parts are ROHS3 compliant and maintain unlimited moisture sensitivity rating (MSL 1) except the original ISL28417FVBZ (MSL 2, 1 Year). All parts are classified as EAR99 for export control purposes.

Frequently Asked Questions (FAQ)

Q: Can the ADA4000-4ARUZ directly replace the ISL28417FVBZ in all applications?

A: The ADA4000-4ARUZ maintains the same 14-TSSOP package, four-circuit configuration, and -40°C to 125°C operating temperature range as the ISL28417FVBZ. However, it is a J-FET amplifier type versus the general purpose type of the original. The ADA4000-4ARUZ has significantly different electrical characteristics: 20 V/µs slew rate (versus 0.5 V/µs), 5 pA input bias current (versus 80 pA), and requires minimum 8 V supply (versus 4.5 V). Direct substitution is valid only when the application circuit design accommodates these performance differences.

Q: Why do the Texas Instruments TL064, TL074, and TL084 series parts have restricted operating temperature ranges?

A: The TL064CPW, TL064CPWR, TL074CPW, TL074CPWR, TL084CPW, and TL084CPWR parts are specified for 0°C to 70°C operating temperature, which is narrower than the ISL28417FVBZ range of -40°C to 125°C. These parts are not suitable for applications requiring the full -40°C to 125°C temperature range. The TL084CPT variant from STMicroelectronics also operates within 0°C to 70°C limits.

Q: What is the significance of packaging designations (CPW, CPWR, CPT)?

A: Packaging designations indicate the form factor and delivery method. CPW denotes Tube packaging, CPWR denotes Cut Tape (CT) & Digi-Reel packaging, and CPT denotes Cut Tape (CT) & Digi-Reel packaging. The electrical specifications remain identical across these packaging variants for the same base part number. Selection between packaging types depends on production volume and assembly line requirements.

Q: Are Last Time Buy parts suitable for new designs?

A: Last Time Buy status indicates limited remaining inventory and no future production. Parts designated as Last Time Buy (TL064CPW, TL074CPW, TL084CPW) are appropriate for sustaining production of existing designs but are not recommended for new product development. Active status parts (TL064CPWR, TL074CPWR, TL084CPWR, TL084CPT, ADA4000-4ARUZ, ADA4000-4ARUZ-RL, MC33179DTBR2G) are suitable for both new designs and ongoing production.

Q: What is the difference between ADA4000-4ARUZ and ADA4000-4ARUZ-RL?

A: Both parts are electrically identical J-FET amplifiers with the same electrical specifications. The difference is in packaging: ADA4000-4ARUZ is supplied in Tube packaging, while ADA4000-4ARUZ-RL is supplied in Tape & Reel (TR) packaging. Selection depends on assembly process requirements and volume considerations.

Q: Can I use a substitute part with a lower maximum supply voltage than the ISL28417FVBZ?

A: The ISL28417FVBZ supports supply voltages up to 40 V. Several substitute parts have lower maximum ratings: TL064 series (30 V maximum), TL074 series (30 V maximum), and ADA4000 series (36 V maximum). Substitution is valid only if the application circuit operates within the substitute part's maximum supply voltage specification. Designs requiring the full 40 V capability are limited to the MC33179DTBR2G (36 V maximum) or TL084CPT (36 V maximum) among the listed substitutes.

Q: What does ROHS3 compliance mean for component selection?

A: ROHS3 compliance indicates the part meets Restriction of Hazardous Substances Directive requirements, restricting the use of specific hazardous materials including lead, mercury, cadmium, and certain flame retardants. All listed substitute parts maintain ROHS3 compliance, ensuring compatibility with environmental regulations and customer requirements for restricted substance compliance.

Q: Is the MC33179DTBR2G suitable for extended temperature applications?

A: The MC33179DTBR2G operates within -40°C to 85°C, which covers the lower temperature extreme of the ISL28417FVBZ (-40°C) but does not extend to the upper limit (125°C). This part is suitable for applications requiring -40°C operation but not for designs requiring full -40°C to 125°C coverage. Only the ADA4000-4ARUZ and ADA4000-4ARUZ-RL maintain the complete -40°C to 125°C range.

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