OPA695ID Equivalent & Substitute Parts Reference

Part Overview

The OPA695ID is a Current Feedback Amplifier manufactured by Texas Instruments, housed in an 8-SOIC surface mount package. This device is classified as Last Time Buy, indicating discontinued production with limited remaining inventory. The OPA695ID delivers high-speed amplification with a 4300V/µs slew rate and 1.7 GHz bandwidth, suitable for applications requiring broadband signal processing and high-frequency circuit design. Equivalent and substitute parts are necessary due to product discontinuation and to provide design flexibility across multiple sourcing options and packaging formats.

Key Parameters

Parameter	Value	Unit
Amplifier Type	Current Feedback	—
Number of Circuits	1	—
Slew Rate	4300	V/µs
-3dB Bandwidth	1.7	GHz
Current - Input Bias	20	µA
Voltage - Input Offset	300	µV
Current - Supply	12.9	mA
Current - Output / Channel	120	mA
Voltage - Supply Span (Min)	5	V
Voltage - Supply Span (Max)	12	V
Operating Temperature	-40 to 85	°C
Package / Case	8-SOIC (0.154", 3.90mm Width)	—
Mounting Type	Surface Mount	—
RoHS Status	ROHS3 Compliant	—
Moisture Sensitivity Level	2 (1 Year)	—

Substitute Part Grouping Explanation

Substitution eligibility for the OPA695ID is determined by strict adherence to the following electrical and mechanical parameters:

Primary Substitution Criteria:

Amplifier Type: Current Feedback
Number of Circuits: 1
Package / Case: 8-SOIC (0.154", 3.90mm Width)
Mounting Type: Surface Mount
Operating Temperature Range: -40°C to 85°C
Voltage Supply Span: Minimum 5V, Maximum 12V

Secondary Performance Parameters:

Slew Rate: 4300V/µs (OPA695ID baseline)
-3dB Bandwidth: 1.7 GHz (OPA695ID baseline)
Current - Output / Channel: 120 mA (OPA695ID baseline)

Substitute parts are grouped into two categories:

Category 1 - Direct Equivalents (Identical Electrical Performance): OPA695IDR matches all electrical specifications and operating parameters of the OPA695ID. The difference is packaging format (Cut Tape & Digi-Reel® versus Tube) and product status (Active versus Last Time Buy).

Category 2 - Functional Substitutes (Compatible but Different Performance): EL5160ISZ, EL5160ISZ-T7A, EL5162ISZ-T7A, MAX4223ESA+, MAX4223ESA+T, and MAX4224ESA+ are functionally compatible current feedback amplifiers in 8-SOIC packages. These parts operate within the same supply voltage range and temperature specifications but exhibit different slew rates, bandwidth, and output current characteristics. Selection from this category requires application-specific performance validation.

Parameter Comparison

Parameter	OPA695ID	OPA695IDR	EL5160ISZ	EL5160ISZ-T7A	EL5162ISZ-T7A	MAX4223ESA+	MAX4223ESA+T	MAX4224ESA+
Manufacturer	Texas Instruments	Texas Instruments	Renesas Electronics	Renesas Electronics	Renesas Electronics	Analog Devices/Maxim	Analog Devices/Maxim	Analog Devices/Maxim
Amplifier Type	Current Feedback	Current Feedback	Current Feedback	Current Feedback	Current Feedback	Current Feedback	Current Feedback	Current Feedback
Number of Circuits	1	1	1	1	1	1	1	1
Slew Rate (V/µs)	4300	4300	1700	1700	4000	1100	1100	1700
-3dB Bandwidth (GHz/MHz)	1.7 GHz	1.7 GHz	200 MHz	200 MHz	500 MHz	1 GHz	1 GHz	600 MHz
Current - Input Bias (µA)	20	20	5	—	—	4	4	4
Voltage - Input Offset (µV/mV)	300 µV	300 µV	1.6 mV	1.6 mV	1.5 mV	500 µV	500 µV	500 µV
Current - Supply (mA/µA)	12.9 mA	12.9 mA	750 µA	800 µA	1.5 mA	6 mA	6 mA	6 mA
Current - Output / Channel (mA)	120	120	140	70	100	—	80	—
Voltage - Supply Span (Min/Max)	5 to 12 V	5 to 12 V	5 to 10 V	5 to 10 V	5 to 12 V	5.7 to 11 V	5.7 to 11 V	5.7 to 11 V
Operating Temperature	-40 to 85°C	-40 to 85°C	-40 to 85°C	-40 to 85°C	-40 to 85°C	-40 to 85°C	-40 to 85°C	-40 to 85°C
Package / Case	8-SOIC	8-SOIC	8-SOIC	8-SOIC	8-SOIC	8-SOIC	8-SOIC	8-SOIC
Mounting Type	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount
Product Status	Last Time Buy	Active	Obsolete	Obsolete	Obsolete	Active	Active	Active
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Moisture Sensitivity Level	2 (1 Year)	2 (1 Year)	1 (Unlimited)	1 (Unlimited)	3 (168 Hours)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)

Engineering Selection Recommendations

For Direct Replacement (Identical Performance):

OPA695IDR is the recommended direct substitute for OPA695ID. Both devices are manufactured by Texas Instruments and deliver identical electrical performance: 4300V/µs slew rate, 1.7 GHz bandwidth, 120 mA output current, and 12.9 mA supply current. OPA695IDR is currently in Active product status with significantly higher inventory availability (8509 units versus 1344 units for OPA695ID). The only difference is packaging format: OPA695IDR is supplied in Cut Tape & Digi-Reel® format, while OPA695ID is supplied in Tube format. Both are ROHS3 compliant and REACH unaffected. Selection of OPA695IDR eliminates supply chain risk associated with Last Time Buy status.

For Performance-Optimized Substitution:

MAX4224ESA+ is suitable for applications where moderate bandwidth (600 MHz) and slew rate (1700V/µs) are acceptable, with the advantage of significantly lower supply current (6 mA versus 12.9 mA). This device is manufactured by Analog Devices/Maxim Integrated and maintains Active product status. Supply voltage range is 5.7 to 11V, which is compatible with the OPA695ID's 5 to 12V range for most applications operating above 5.7V.

For Low-Power Applications:

EL5160ISZ and EL5160ISZ-T7A offer substantially reduced supply current (750 µA and 800 µA respectively) compared to OPA695ID (12.9 mA). However, these Renesas Electronics devices exhibit significantly lower bandwidth (200 MHz) and slew rate (1700V/µs), and are classified as Obsolete. These substitutes are appropriate only for applications where bandwidth and slew rate requirements are substantially lower than OPA695ID specifications.

Compliance and Certification Considerations:

All substitute parts listed are ROHS3 compliant and REACH unaffected, matching the OPA695ID compliance profile. Moisture sensitivity levels vary: OPA695ID and OPA695IDR are MSL 2 (1 Year); EL5160ISZ and EL5160ISZ-T7A are MSL 1 (Unlimited); EL5162ISZ-T7A is MSL 3 (168 Hours); MAX4223ESA+, MAX4223ESA+T, and MAX4224ESA+ are MSL 1 (Unlimited). Storage and handling requirements must align with the selected substitute's moisture sensitivity classification.

Frequently Asked Questions (FAQ)

Q1: Can OPA695IDR be used as a direct replacement for OPA695ID in existing designs?

A: Yes. OPA695IDR is electrically and functionally identical to OPA695ID. Both devices share the same base product number (OPA695), identical electrical specifications (4300V/µs slew rate, 1.7 GHz bandwidth, 120 mA output current), and the same 8-SOIC package. The only difference is packaging format (Cut Tape & Digi-Reel® versus Tube). No circuit modifications are required. OPA695IDR is recommended for new production due to Active product status and higher inventory availability.

Q2: What are the key differences between OPA695ID and the Renesas EL5160 series substitutes?

A: The primary differences are performance and product status. OPA695ID delivers 4300V/µs slew rate and 1.7 GHz bandwidth, while EL5160ISZ and EL5160ISZ-T7A deliver 1700V/µs slew rate and 200 MHz bandwidth. OPA695ID requires 12.9 mA supply current; EL5160 devices require 750-800 µA. Both EL5160 variants are classified as Obsolete. EL5160 devices are suitable only for applications with significantly lower bandwidth and slew rate requirements than OPA695ID.

Q3: Is MAX4224ESA+ a suitable substitute for high-speed applications?

A: MAX4224ESA+ is suitable for applications requiring up to 600 MHz bandwidth and 1700V/µs slew rate. This is lower than OPA695ID's 1.7 GHz bandwidth and 4300V/µs slew rate. MAX4224ESA+ offers advantages in power consumption (6 mA versus 12.9 mA) and is in Active product status. Selection depends on whether the application's actual bandwidth and slew rate requirements are compatible with MAX4224ESA+ specifications. For applications requiring the full 1.7 GHz bandwidth of OPA695ID, MAX4224ESA+ is not appropriate.

Q4: What packaging options are available for OPA695 equivalents?

A: All substitute parts are housed in 8-SOIC (0.154", 3.90mm Width) surface mount packages, matching OPA695ID's package specification. Packaging format variations include: Tube (OPA695ID, EL5160ISZ, MAX4223ESA+, MAX4224ESA+), Cut Tape & Digi-Reel® (OPA695IDR, EL5162ISZ-T7A), and Tape & Reel (MAX4223ESA+T). Packaging format selection depends on production volume and assembly process requirements.

Q5: Are there supply voltage compatibility issues when substituting OPA695ID?

A: Most substitutes operate within compatible supply voltage ranges. OPA695ID operates from 5V to 12V. EL5160 devices operate from 5V to 10V (narrower maximum). MAX4223 and MAX4224 devices operate from 5.7V to 11V (higher minimum). For applications using supply voltages between 5V and 5.7V, EL5160 devices are compatible but MAX4223/MAX4224 devices are not. For applications using supply voltages above 11V, MAX4223/MAX4224 devices are not compatible.

Q6: Why is OPA695ID classified as Last Time Buy?

A: Last Time Buy status indicates that Texas Instruments has discontinued production of OPA695ID and will not accept new orders after a specified date. Existing inventory (1344 units) represents the final available supply. This classification makes OPA695IDR (Active status, 8509 units in stock) the recommended long-term substitute for new designs and production planning.

Q7: What is the impact of different moisture sensitivity levels on component handling?

A: Moisture Sensitivity Level (MSL) determines storage and handling requirements. OPA695ID is MSL 2 (1 Year floor life after opening). EL5160 devices are MSL 1 (Unlimited floor life). EL5162ISZ-T7A is MSL 3 (168 hours floor life). MAX4223 and MAX4224 devices are MSL 1 (Unlimited floor life). Lower MSL numbers allow longer shelf life and more flexible handling. MSL 3 components require more stringent moisture control during storage and assembly.

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