EL1516ISZ Equivalent & Substitute Parts Reference

Part Overview

The EL1516ISZ is a general purpose operational amplifier manufactured by Renesas Electronics Corporation, configured as a 2-circuit differential amplifier in 8-SOIC surface mount packaging. This device is classified as obsolete, making equivalent and substitute parts necessary for ongoing design support and production continuity. The EL1516ISZ operates across a supply voltage range of 5V to 12V with an operating temperature range of -40°C to 85°C, suitable for general signal conditioning and amplification applications requiring moderate bandwidth and slew rate performance.

Key Parameters

Parameter	Value	Unit
Manufacturer	Renesas Electronics Corporation	—
Part Number	EL1516ISZ	—
Product Status	Obsolete	—
Amplifier Type	General Purpose	—
Number of Circuits	2	—
Package / Case	8-SOIC (0.154", 3.90mm Width)	—
Mounting Type	Surface Mount	—
Slew Rate	128	V/µs
Gain Bandwidth Product	250	MHz
-3dB Bandwidth	350	MHz
Current - Input Bias	6.5	µA
Voltage - Input Offset	200	µV
Current - Supply	5.7 (x2 Channels)	mA
Current - Output / Channel	160	mA
Voltage - Supply Span (Min)	5	V
Voltage - Supply Span (Max)	12	V
Operating Temperature	-40 to 85	°C
RoHS Status	ROHS3 Compliant	—
Moisture Sensitivity Level (MSL)	3 (168 Hours)	—

Substitute Part Grouping Explanation

Substitution of the EL1516ISZ is determined by strict adherence to the following electrical and mechanical parameters:

Primary Substitution Criteria:

Package / Case: 8-SOIC (0.154", 3.90mm Width) — mandatory for PCB compatibility
Number of Circuits: 2 — functional requirement
Mounting Type: Surface Mount — assembly process compatibility
Voltage - Supply Span: Minimum 5V, Maximum 12V — power supply compatibility
Operating Temperature: Must support -40°C to 85°C range or broader
RoHS Status: ROHS3 Compliant — regulatory requirement

Secondary Electrical Parameters for Functional Equivalence:

Slew Rate: 128 V/µs or greater
Gain Bandwidth Product: 250 MHz or greater
-3dB Bandwidth: 350 MHz or greater
Current - Input Bias: 6.5 µA or lower
Voltage - Input Offset: 200 µV or lower
Current - Supply: 5.7 mA (x2 Channels) or lower
Current - Output / Channel: 160 mA or greater

Substitute parts must satisfy all primary criteria and maintain electrical performance within acceptable operational margins. Parts with superior specifications in secondary parameters are acceptable provided they do not introduce incompatibility with existing circuit designs.

Parameter Comparison

Parameter	EL1516ISZ	LMH6622MA/NOPB	LMH6622MAX/NOPB	LT1816CS8#PBF	LT1816IS8#PBF	LT1819IS8#PBF	OPA2614ID	OPA2614IDR
Manufacturer	Renesas	Texas Instruments	Texas Instruments	Analog Devices	Analog Devices	Analog Devices	Texas Instruments	Texas Instruments
Product Status	Obsolete	Active	Active	Active	Active	Active	Active	Active
Number of Circuits	2	2	2	2	2	2	2	2
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
Slew Rate (V/µs)	128	85	85	1500	1500	2500	145	145
Gain Bandwidth Product (MHz)	250	—	—	220	220	400	290	290
-3dB Bandwidth (MHz)	350	160	160	350	350	—	180	180
Current - Input Bias (µA)	6.5	4.7	4.7	2	2	2	6	6
Voltage - Input Offset (µV)	200	200	200	200	200	200	200	200
Current - Supply (mA, x2 Channels)	5.7	4.3	4.3	6.5	6.5	9	12	12
Current - Output / Channel (mA)	160	90	90	80	80	70	350	350
Voltage - Supply Span Min (V)	5	5	5	2.5	2.5	2.5	5	5
Voltage - Supply Span Max (V)	12	12	12	11	11	12.6	12	12
Operating Temperature (°C)	-40 to 85	-40 to 85	-40 to 85	0 to 70	-40 to 85	-40 to 85	-40 to 85	-40 to 85
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
MSL Rating	3 (168 Hours)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	2 (1 Year)	2 (1 Year)

Engineering Selection Recommendations

Tier 1 — Direct Functional Equivalents (Recommended for Replacement):

LT1816IS8#PBF and LT1816CS8#PBF are the primary recommended substitutes. Both devices are manufactured by Analog Devices Inc. and maintain active product status. The LT1816IS8#PBF operates across the full temperature range (-40°C to 85°C) matching the EL1516ISZ specification. Both variants provide superior slew rate (1500 V/µs) and -3dB bandwidth (350 MHz) performance while maintaining identical input offset voltage (200 µV) and lower input bias current (2 µA). Supply voltage compatibility spans 2.5V to 11V, encompassing the EL1516ISZ 5V to 12V requirement. MSL rating of 1 (Unlimited) provides superior moisture handling compared to the EL1516ISZ MSL 3 rating. Both are ROHS3 compliant and carry REACH Unaffected status.

LT1819IS8#PBF represents an enhanced alternative with superior bandwidth performance (400 MHz gain bandwidth product, 2500 V/µs slew rate) while maintaining the same package, circuit count, and temperature range. This device is suitable for applications requiring higher frequency response.

Tier 2 — Functional Substitutes with Parameter Trade-offs:

LMH6622MA/NOPB and LMH6622MAX/NOPB (Texas Instruments) are voltage feedback amplifiers with active product status. These devices provide lower slew rate (85 V/µs) and reduced -3dB bandwidth (160 MHz) compared to the EL1516ISZ, but offer superior supply current efficiency (4.3 mA vs. 5.7 mA). Operating temperature range matches (-40°C to 85°C). MSL rating of 1 (Unlimited) exceeds EL1516ISZ specification. Suitable for applications where bandwidth requirements are less stringent.

OPA2614ID and OPA2614IDR (Texas Instruments) provide voltage feedback amplifier topology with active status. These devices offer higher output current capability (350 mA vs. 160 mA) and superior slew rate (145 V/µs) but require higher supply current (12 mA). Operating temperature range and supply voltage compatibility match EL1516ISZ requirements. MSL rating of 2 (1 Year) is intermediate. Suitable for applications requiring higher output drive capability.

Tier 3 — Limited Compatibility:

LT1816CS8#PBF operates across reduced temperature range (0°C to 70°C), which does not fully satisfy the EL1516ISZ -40°C to 85°C specification. Use only in applications where the narrower temperature range is acceptable.

AD8512ARZ (Analog Devices) is a J-FET amplifier with fundamentally different topology (J-FET vs. general purpose). While it provides superior input bias current (25 pA), it operates across 10V to 30V supply range, exceeding the EL1516ISZ 5V to 12V specification. Not recommended for direct substitution.

Compliance and Certification:

All recommended substitute parts maintain ROHS3 compliance and REACH Unaffected status, satisfying regulatory requirements equivalent to the EL1516ISZ. MSL ratings for active substitutes (1 or 2) provide equal or superior moisture sensitivity performance compared to the obsolete EL1516ISZ (MSL 3).

Frequently Asked Questions (FAQ)

Q1: Can I directly replace EL1516ISZ with LT1816IS8#PBF without circuit modification?

A: LT1816IS8#PBF is pin-compatible within the 8-SOIC package and maintains electrical specifications within acceptable margins for general purpose amplifier applications. However, the superior slew rate (1500 V/µs vs. 128 V/µs) and bandwidth (350 MHz) may require circuit validation to confirm stability and frequency response characteristics in your specific application. No component value changes are typically required for basic substitution.

Q2: What is the key difference between LMH6622MA/NOPB and LT1816IS8#PBF?

A: LMH6622MA/NOPB is a voltage feedback amplifier with lower bandwidth (160 MHz -3dB) and slew rate (85 V/µs), optimized for lower power consumption (4.3 mA supply current). LT1816IS8#PBF is a general purpose amplifier with higher bandwidth (350 MHz -3dB) and slew rate (1500 V/µs), suitable for higher frequency applications. Both are pin-compatible in 8-SOIC packaging. Select based on your application's frequency requirements.

Q3: Why does the parameter table show different -3dB bandwidth values for some substitutes?

A: The -3dB bandwidth parameter is not provided for all substitute parts in the input data. This reflects actual manufacturer datasheets where certain performance metrics may not be characterized or published for specific device variants. Gain bandwidth product is the primary frequency performance metric when -3dB bandwidth is unavailable.

Q4: Is LT1816CS8#PBF suitable for industrial temperature range applications?

A: No. LT1816CS8#PBF operates across 0°C to 70°C, which does not satisfy the EL1516ISZ -40°C to 85°C specification. Use LT1816IS8#PBF instead, which supports the full -40°C to 85°C industrial temperature range.

Q5: What does MSL rating mean, and why is it important for substitution?

A: MSL (Moisture Sensitivity Level) indicates how long a component can be stored in ambient conditions before requiring baking prior to reflow soldering. EL1516ISZ has MSL 3 (168 hours), while most active substitutes have MSL 1 (Unlimited). Lower MSL ratings provide greater manufacturing flexibility and reduced risk of moisture-induced failures during assembly. All recommended substitutes meet or exceed EL1516ISZ moisture handling requirements.

Q6: Can I use OPA2614ID in place of EL1516ISZ if my application requires high output current?

A: Yes, if your circuit topology permits. OPA2614ID provides 350 mA output current per channel versus 160 mA for EL1516ISZ, making it suitable for high-drive applications. However, OPA2614ID requires higher supply current (12 mA vs. 5.7 mA) and has lower -3dB bandwidth (180 MHz vs. 350 MHz). Verify that your power supply and frequency response requirements are compatible before substitution.

Q7: Are all substitute parts ROHS3 compliant?

A: Yes. All substitute parts listed in this reference maintain ROHS3 compliance and REACH Unaffected status, matching the regulatory compliance of the EL1516ISZ. This ensures compatibility with modern procurement and environmental regulations.

Q8: What is the difference between tube and tape & reel packaging for the same part number?

A: Tube packaging (e.g., LMH6622MA/NOPB) is used for manual handling and smaller quantity orders. Tape & Reel packaging (e.g., LMH6622MAX/NOPB) is used for automated assembly processes and higher volume production. Both variants contain identical die and electrical specifications. Select based on your manufacturing process requirements.

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