LT1213CS8 Equivalent & Substitute Parts

Part Overview

The LT1213CS8 is a general-purpose operational amplifier manufactured by Analog Devices Inc., featuring dual circuits in an 8-SOIC surface mount package. This device is classified as Active product status and is RoHS3 compliant. The LT1213CS8 delivers high-speed performance with a 28 MHz gain bandwidth product and 12V/µs slew rate, making it suitable for applications requiring superior frequency response compared to legacy general-purpose amplifier designs. Equivalent and substitute parts are identified based on matching electrical specifications, package compatibility, and functional equivalence within the general-purpose amplifier category.

Key Parameters

Parameter	Value	Unit
Amplifier Type	General Purpose	—
Number of Circuits	2	—
Slew Rate	12	V/µs
Gain Bandwidth Product	28	MHz
Current - Input Bias	90	nA
Voltage - Input Offset	150	µV
Current - Supply (x2 Channels)	3.4	mA
Current - Output / Channel	50	mA
Voltage - Supply Span (Min)	2.5	V
Voltage - Supply Span (Max)	36	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	1 (Unlimited)	—

Substitute Part Grouping Explanation

Substitute parts for the LT1213CS8 are identified through equivalence in the following critical parameters: dual-circuit general-purpose amplifier topology, 8-SOIC surface mount package, and compatible supply voltage range (2.5V to 36V minimum). The LT1213CS8 is distinguished by its high-speed performance characteristics: 28 MHz gain bandwidth product and 12V/µs slew rate. Substitute parts are grouped into two categories based on performance alignment:

Category 1: Direct Equivalent (Identical Packaging & Manufacturer) LT1213CS8#PBF is a direct equivalent differing only in packaging format (Tube versus standard packaging).

Category 2: Functional Substitutes (Performance Trade-offs) Parts including LM258ADT, LM258DT, LM2904AYDT, LM2904DT, LM2904YDT, LM358ADT, and LM358DT share the dual-circuit, general-purpose amplifier architecture and 8-SOIC package footprint. These substitutes operate within the compatible supply voltage range but exhibit reduced slew rate (0.3V/µs to 0.6V/µs) and lower gain bandwidth product (700 kHz to 1.1 MHz). Selection of these parts requires confirmation that application performance requirements accommodate lower frequency response.

Category 3: Performance Enhancement Alternatives LM7372MR/NOPB and LM7372MRX/NOPB are voltage feedback amplifiers with significantly enhanced performance (3000V/µs slew rate, 120 MHz gain bandwidth product) but require higher minimum supply voltage (9V) and are packaged in 8-PowerSOIC format.

Parameter Comparison

Part Number	Manufacturer	Amplifier Type	Slew Rate (V/µs)	Gain Bandwidth Product (MHz)	Input Bias Current (nA)	Input Offset Voltage (µV)	Supply Current (mA)	Output Current / Channel (mA)	Supply Voltage Min (V)	Supply Voltage Max (V)	Operating Temperature (°C)	Package	Product Status
LT1213CS8	Analog Devices Inc.	General Purpose	12	28	90	150	3.4	50	2.5	36	-40 to 85	8-SOIC	Active
LT1213CS8#PBF	Analog Devices Inc.	General Purpose	12	28	90	150	3.4	50	2.5	36	-40 to 85	8-SOIC	Active
LM258ADT	STMicroelectronics	General Purpose	0.6	1.1	20	1000	0.7	40	3	30	-40 to 105	8-SOIC	Active
LM258DT	STMicroelectronics	General Purpose	0.6	1.1	20	5000	0.7	40	3	30	-40 to 105	8-SOIC	Active
LM2904AYDT	STMicroelectronics	General Purpose	0.6	1.1	20	1000	0.7	40	3	30	-40 to 125	8-SOIC	Active
LM2904DT	Rohm Semiconductor	General Purpose	0.3	0.7	20	1000	0.6	30	3	32	-40 to 125	8-SOIC	Not For New Designs
LM2904YDT	STMicroelectronics	General Purpose	0.6	0.7	20	2000	0.7	30	3	30	-40 to 125	8-SOIC	Active
LM358ADT	STMicroelectronics	General Purpose	0.6	1.1	20	1000	0.7	40	3	30	0 to 70	8-SOIC	Active
LM358DT	Rohm Semiconductor	General Purpose	0.3	0.8	20	1000	0.6	30	3	32	-40 to 85	8-SOIC	Obsolete
LM7372MR/NOPB	Texas Instruments	Voltage Feedback	3000	120	2700	2000	13	260	9	36	-40 to 85	8-PowerSOIC	Active
LM7372MRX/NOPB	Texas Instruments	Voltage Feedback	3000	120	2700	2000	13	260	9	36	-40 to 85	8-PowerSOIC	Active

Engineering Selection Recommendations

Direct Substitution (No Design Changes Required)

LT1213CS8#PBF is a direct equivalent to LT1213CS8, differing only in packaging format (Tube). Both parts are manufactured by Analog Devices Inc., carry Active product status, and maintain identical electrical specifications. Selection between these two variants depends solely on packaging and supply chain requirements.

Functional Substitution (Performance Degradation)

LM258ADT, LM258DT, LM2904AYDT, LM2904YDT, and LM358ADT are functionally compatible substitutes within the 8-SOIC package footprint and compatible supply voltage range. These parts are manufactured by STMicroelectronics and carry Active product status with RoHS3 compliance. However, these substitutes exhibit significantly reduced frequency response (0.6V/µs to 1.1 MHz versus 12V/µs and 28 MHz). Applications requiring high-speed signal processing, transient response, or wide bandwidth operation cannot use these substitutes without circuit redesign.

LM2904DT (Rohm Semiconductor) and LM358DT (Rohm Semiconductor) carry obsolete or "Not For New Designs" status and are not recommended for new applications despite package compatibility.

Performance Enhancement Alternatives (Design Modification Required)

LM7372MR/NOPB and LM7372MRX/NOPB offer superior performance (3000V/µs slew rate, 120 MHz gain bandwidth product) suitable for high-speed applications. These voltage feedback amplifiers require minimum 9V supply voltage (versus 2.5V for LT1213CS8) and are packaged in 8-PowerSOIC format. Circuit board layout modifications are necessary to accommodate the PowerSOIC package. These alternatives are appropriate only when application requirements demand enhanced frequency response and the design can accommodate higher supply voltage and modified PCB footprint.

Compliance & Certification

All recommended substitutes (LT1213CS8#PBF, LM258ADT, LM2904AYDT, LM2904YDT, LM358ADT, LM7372MR/NOPB, LM7372MRX/NOPB) maintain RoHS3 compliance and REACH unaffected status. LM258ADT, LM2904AYDT, and LM2904YDT carry AEC-Q100 automotive qualification. Selection based on compliance requirements should prioritize parts with Active product status.

Frequently Asked Questions (FAQ)

Q: Can LM258ADT directly replace LT1213CS8 in existing designs?

A: LM258ADT shares the 8-SOIC package footprint and compatible supply voltage range (3V to 30V overlaps with LT1213CS8's 2.5V to 36V). However, LM258ADT exhibits 20× lower slew rate (0.6V/µs versus 12V/µs) and 25× lower gain bandwidth product (1.1 MHz versus 28 MHz). Direct substitution is limited to applications where signal bandwidth does not exceed 1 MHz and transient response requirements are relaxed. Circuit simulation or bench testing is necessary to confirm performance adequacy.

Q: What is the difference between LT1213CS8 and LT1213CS8#PBF?

A: Both parts are electrically identical. The primary difference is packaging format: LT1213CS8 is supplied in standard packaging while LT1213CS8#PBF is supplied in Tube packaging. The "#PBF" designation indicates lead-free, RoHS-compliant packaging. Selection depends on assembly line compatibility and supply chain logistics.

Q: Why do LM2904DT and LM358DT show obsolete status?

A: LM2904DT carries "Not For New Designs" status and LM358DT is marked Obsolete. These designations indicate that manufacturers have discontinued active support and recommend alternative parts for new applications. While inventory may remain available, these parts should not be selected for new designs due to potential supply discontinuation and lack of manufacturer support.

Q: Can LM7372MR/NOPB replace LT1213CS8 in high-speed applications?

A: LM7372MR/NOPB offers superior performance (3000V/µs slew rate, 120 MHz bandwidth) suitable for high-speed signal conditioning. However, three design modifications are required: (1) minimum supply voltage increases from 2.5V to 9V, (2) package changes from 8-SOIC to 8-PowerSOIC requiring PCB layout revision, and (3) higher supply current (13mA versus 3.4mA) affects power budget. This substitution is appropriate only when application requirements justify these design changes.

Q: What is the significance of input bias current differences between LT1213CS8 and substitute parts?

A: LT1213CS8 specifies 90 nA input bias current while most substitutes specify 20 nA. Lower input bias current reduces DC offset errors in high-impedance signal paths and transimpedance amplifier configurations. Applications with source impedance exceeding 1 MΩ may experience measurable performance differences. For low-impedance signal sources (< 10 kΩ), input bias current differences are negligible.

Q: Are all substitute parts RoHS3 compliant?

A: All recommended substitute parts (LT1213CS8#PBF, LM258ADT, LM258DT, LM2904AYDT, LM2904DT, LM2904YDT, LM358ADT, LM358DT, LM7372MR/NOPB, LM7372MRX/NOPB) carry RoHS3 compliance certification. Moisture sensitivity level is 1 (Unlimited) for all parts except LM7372 variants which specify MSL 3 (168 Hours), requiring controlled storage conditions.

Q: What operating temperature range should be considered when selecting substitutes?

A: LT1213CS8 operates from -40°C to 85°C. Substitute parts offer extended ranges: LM258ADT and LM258DT extend to 105°C, while LM2904AYDT, LM2904DT, and LM2904YDT extend to 125°C. Applications requiring operation above 85°C should select substitutes with extended temperature ratings. LM358ADT is limited to 0°C to 70°C and is unsuitable for industrial temperature ranges.

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