LT1469CS8#PBF Equivalent & Substitute Parts

Part Overview

The LT1469CS8#PBF is a general purpose operational amplifier manufactured by Analog Devices Inc., configured as a dual-channel (2 circuit) device in an 8-SOIC surface mount package. This active product features a gain bandwidth product of 90 MHz and a slew rate of 22 V/µs, making it suitable for applications requiring moderate to high-speed signal processing. The part is RoHS3 compliant with unlimited moisture sensitivity rating (MSL 1).

Equivalent and substitute parts are identified based on matching functional characteristics: dual-channel general purpose amplifier topology, 8-SOIC package form factor, compatible supply voltage ranges, and surface mount mounting type. Substitutes are selected where electrical parameters fall within acceptable operating ranges for the intended application.

Key Parameters

Parameter	Value	Unit
Amplifier Type	General Purpose	—
Number of Circuits	2	—
Package / Case	8-SOIC (0.154", 3.90mm Width)	—
Mounting Type	Surface Mount	—
Slew Rate	22	V/µs
Gain Bandwidth Product	90	MHz
Current - Input Bias	3	nA
Voltage - Input Offset	50	µV
Current - Supply (x2 Channels)	4.1	mA
Current - Output / Channel	22	mA
Voltage - Supply Span (Min)	5	V
Voltage - Supply Span (Max)	9	V
Operating Temperature	0 to 70	°C
RoHS Status	ROHS3 Compliant	—
Moisture Sensitivity Level (MSL)	1 (Unlimited)	—

Substitute Part Grouping Explanation

Substitute parts for the LT1469CS8#PBF are grouped into two functional categories based on amplifier type and electrical performance characteristics:

Category 1: General Purpose Amplifiers (Lower Bandwidth) Parts including LM258DG4, LM258DR, LM258DRG3, LM258DRG4, and OPA2277MDTEP are dual-channel general purpose amplifiers in 8-SOIC packages. These devices share the same package footprint and mounting type. Substitution within this category is determined by compatibility of supply voltage ranges, output current capability, and operating temperature specifications. The LM258 series operates across wider supply voltage ranges (3 V to 32 V) compared to the LT1469CS8#PBF (5 V to 9 V), making them suitable for applications with broader power supply requirements. The OPA2277MDTEP offers superior input offset voltage (20 µV) and lower input bias current (500 pA) for precision applications.

Category 2: Voltage Feedback Amplifiers (Higher Bandwidth) Parts including THS4012CD, THS4012CDR, and THS4012ID are voltage feedback amplifiers with significantly higher gain bandwidth products (290 MHz) and slew rates (310 V/µs). These devices are suitable for high-speed signal processing applications where the LT1469CS8#PBF bandwidth may be limiting. Substitution in this category requires verification that the application can tolerate higher supply voltage minimums (9 V minimum) and different input bias current characteristics (2 µA).

Category 3: Enhanced General Purpose Amplifiers (Moderate Bandwidth) Parts including MC33072DR2G and MC34072DR2G are general purpose amplifiers with intermediate bandwidth (4.5 MHz) and slew rate (13 V/µs). These onsemi devices provide wider supply voltage ranges (3 V to 44 V) and lower input offset voltage (1 mV) than standard LM258 variants.

Substitution logic is based on: (1) dual-channel configuration, (2) 8-SOIC package compatibility, (3) surface mount mounting type, (4) supply voltage range overlap, (5) output current per channel capability, and (6) operating temperature range coverage.

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 Span Min (V)	Supply Span Max (V)	Operating Temp (°C)	Product Status
LT1469CS8#PBF	Analog Devices Inc.	General Purpose	22	90	3	50	4.1	22	5	9	0 to 70	Active
LM258DG4	Texas Instruments	General Purpose	0.3	1.1	20	3000	0.5	40	3	32	-25 to 85	Obsolete
LM258DR	UMW	General Purpose	—	—	45	2000	1	40	—	32	-25 to 85	Active
LM258DRG3	Texas Instruments	General Purpose	0.3	0.7	20	3000	0.5	40	3	32	-25 to 85	Last Time Buy
LM258DRG4	Texas Instruments	General Purpose	0.3	0.7	20	3000	0.5	40	3	32	-25 to 85	Discontinued at DiGi Electronics
MC33072DR2G	onsemi	General Purpose	13	4.5	100	1000	1.9	30	3	44	-40 to 85	Active
MC34072DR2G	onsemi	General Purpose	13	4.5	100	1000	1.9	30	3	44	0 to 70	Active
OPA2277MDTEP	Texas Instruments	General Purpose	0.8	1	0.5	20	0.79	35	4	36	-55 to 125	Active
THS4012CD	Texas Instruments	Voltage Feedback	310	290	2000	1000	7.8	110	9	32	0 to 70	Active
THS4012CDR	Texas Instruments	Voltage Feedback	310	290	2000	1000	7.8	110	9	32	0 to 70	Active
THS4012ID	Texas Instruments	Voltage Feedback	310	290	2000	1000	7.8	110	9	32	-40 to 85	Active

Engineering Selection Recommendations

For Direct Substitution (Lowest Risk)

MC34072DR2G is the recommended direct substitute when operating temperature range matches the LT1469CS8#PBF specification (0°C to 70°C). This onsemi device maintains general purpose amplifier topology, dual-channel configuration, and 8-SOIC package compatibility. The MC34072DR2G is active product status with RoHS3 compliance and MSL 1 rating. Supply voltage range (3 V to 44 V) encompasses the LT1469CS8#PBF requirement (5 V to 9 V). Output current per channel (30 mA) is slightly lower than the LT1469CS8#PBF (22 mA), which is acceptable for most applications. Slew rate (13 V/µs) and gain bandwidth product (4.5 MHz) are lower than the LT1469CS8#PBF, suitable for applications not requiring the higher bandwidth.

For Extended Temperature Range Applications

MC33072DR2G provides the same electrical characteristics as MC34072DR2G but with extended operating temperature range (-40°C to 85°C). This part is active product status with RoHS3 compliance and MSL 1 rating. Selection of MC33072DR2G is appropriate when the application requires operation below 0°C or above 70°C.

For High-Speed Applications

THS4012CDR is the recommended substitute when application requirements demand higher bandwidth and slew rate performance. This voltage feedback amplifier provides gain bandwidth product of 290 MHz and slew rate of 310 V/µs, compared to the LT1469CS8#PBF specifications of 90 MHz and 22 V/µs. THS4012CDR is active product status with RoHS3 compliance and MSL 1 rating. Supply voltage minimum requirement (9 V) matches the LT1469CS8#PBF maximum supply voltage, requiring verification that the application power supply can accommodate this constraint. Output current per channel (110 mA) significantly exceeds the LT1469CS8#PBF capability (22 mA).

For Precision Applications

OPA2277MDTEP is suitable when application requirements prioritize low input offset voltage (20 µV) and extremely low input bias current (500 pA). This general purpose amplifier is active product status with RoHS3 compliance. Operating temperature range (-55°C to 125°C) exceeds the LT1469CS8#PBF specification. Supply voltage range (4 V to 36 V) encompasses the LT1469CS8#PBF requirement. Moisture sensitivity level (MSL 3, 168 hours) is more restrictive than the LT1469CS8#PBF (MSL 1, unlimited).

Parts Not Recommended for Direct Substitution

LM258 variants (LM258DG4, LM258DR, LM258DRG3, LM258DRG4) exhibit significantly lower bandwidth (0.7 to 1.1 MHz) and slew rate (0.3 V/µs) compared to the LT1469CS8#PBF. LM258DG4 is obsolete product status. LM258DRG3 is last time buy status. LM258DRG4 is discontinued at DiGi Electronics. These parts are suitable only for low-frequency applications where the reduced performance is acceptable.

Frequently Asked Questions (FAQ)

Q: Can LM258DR be used as a direct replacement for LT1469CS8#PBF?

A: LM258DR shares the same 8-SOIC package and dual-channel general purpose amplifier topology. However, LM258DR has significantly lower gain bandwidth product (not specified in available data) and slew rate (not specified) compared to LT1469CS8#PBF (90 MHz and 22 V/µs). LM258DR is suitable only for low-frequency applications. The LM258DR is active product status, but the reduced bandwidth makes it unsuitable for applications requiring the LT1469CS8#PBF performance level.

Q: What is the key difference between MC33072DR2G and MC34072DR2G?

A: MC33072DR2G and MC34072DR2G are electrically identical with the same slew rate (13 V/µs), gain bandwidth product (4.5 MHz), input bias current (100 nA), and input offset voltage (1 mV). The primary difference is operating temperature range: MC33072DR2G operates from -40°C to 85°C, while MC34072DR2G operates from 0°C to 70°C. Select MC33072DR2G for applications requiring extended low-temperature operation below 0°C.

Q: Why is THS4012CDR not a direct substitute despite being in the same package?

A: THS4012CDR is a voltage feedback amplifier, whereas LT1469CS8#PBF is a general purpose amplifier. While both are dual-channel devices in 8-SOIC packages, the THS4012CDR has significantly higher bandwidth (290 MHz versus 90 MHz) and slew rate (310 V/µs versus 22 V/µs). Additionally, THS4012CDR has higher input bias current (2 µA versus 3 nA) and higher supply current (7.8 mA versus 4.1 mA). THS4012CDR requires minimum supply voltage of 9 V, which is at the upper limit of the LT1469CS8#PBF supply range. THS4012CDR is suitable only for high-speed applications where these differences are acceptable.

Q: Is the 8-SOIC package footprint identical across all substitute parts?

A: Yes. All substitute parts listed use the 8-SOIC package with dimensions 0.154 inches (3.90 mm) width. Package footprint is identical, allowing direct PCB layout compatibility. However, pin functionality and electrical characteristics differ between general purpose amplifiers and voltage feedback amplifiers, requiring circuit design verification.

Q: What does "Last Time Buy" product status mean for LM258DRG3?

A: Last Time Buy status indicates that the manufacturer has announced end-of-life for this part number. Existing inventory may be available from distributors, but no new production will occur after the specified cutoff date. LM258DRG3 should not be selected for new designs. Use active product alternatives such as MC34072DR2G or MC33072DR2G instead.

Q: Can OPA2277MDTEP be used in applications requiring the full 0°C to 70°C operating range of LT1469CS8#PBF?

A: Yes. OPA2277MDTEP operating temperature range (-55°C to 125°C) exceeds the LT1469CS8#PBF requirement (0°C to 70°C). However, OPA2277MDTEP has moisture sensitivity level (MSL 3, 168 hours) that is more restrictive than LT1469CS8#PBF (MSL 1, unlimited). This requires stricter handling and storage procedures to prevent moisture absorption. Verify that manufacturing and assembly processes can accommodate MSL 3 requirements before selecting OPA2277MDTEP.

Q: What supply voltage range is compatible with both LT1469CS8#PBF and its substitutes?

A: The LT1469CS8#PBF operates from 5 V to 9 V. MC34072DR2G and MC33072DR2G both operate from 3 V to 44 V, providing full compatibility within the 5 V to 9 V range. OPA2277MDTEP operates from 4 V to 36 V, also providing full compatibility. LM258 variants operate from 3 V to 32 V, providing full compatibility. THS4012 variants require minimum 9 V supply, limiting compatibility to the upper end of the LT1469CS8#PBF range. Verify that the application power supply can provide the required voltage before selecting any substitute.

Q: Are all substitute parts RoHS3 compliant?

A: Yes. All substitute parts listed are RoHS3 compliant. All parts also have REACH Unaffected status. All parts have ECCN classification EAR99 and HTSUS code 8542.33.0001, matching the LT1469CS8#PBF regulatory classification.

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