LT1352CS8 Equivalent & Substitute Parts

Part Overview

The LT1352CS8 is a voltage feedback amplifier integrated circuit manufactured by Analog Devices Inc., containing two independent circuits in an 8-SOIC surface mount package. This device is classified as a linear amplifier and is currently in active product status with 3840 units in stock. The LT1352CS8 operates across a supply voltage range of 5V to 30V and is designed for applications requiring moderate bandwidth and low input bias current characteristics.

Equivalent and substitute parts are identified based on matching electrical performance parameters, package compatibility, and functional equivalence. Substitution becomes necessary when the primary part is unavailable, when alternative sourcing is required, or when design flexibility permits selection from multiple qualified alternatives meeting the same electrical specifications.

Key Parameters

Parameter	Value	Unit
Amplifier Type	Voltage Feedback	—
Number of Circuits	2	—
Slew Rate	200	V/µs
Gain Bandwidth Product	3	MHz
Current - Input Bias	20	nA
Voltage - Input Offset	200	µV
Current - Supply (per Channel)	250	µA
Current - Output / Channel	14	mA
Voltage - Supply Span (Min)	5	V
Voltage - Supply Span (Max)	30	V
Operating Temperature Range	-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 LT1352CS8 are classified into two categories based on substitution criteria:

Direct Packaging Equivalent: Parts that maintain identical electrical specifications and package form factor, differing only in packaging configuration (tube versus cut tape). These parts are fully interchangeable at the circuit level.

Functional Equivalents: Parts that share the same package type (8-SOIC), number of circuits (2), and surface mount configuration, but may differ in amplifier topology (voltage feedback versus J-FET versus general purpose), slew rate, gain bandwidth product, input bias current, or supply voltage range. Functional equivalents require verification that the specific electrical characteristics meet application requirements.

The key parameters determining substitution eligibility are:

Number of circuits (must be 2)
Package type (must be 8-SOIC, 0.154" width, 3.90mm)
Mounting type (must be Surface Mount)
Supply voltage compatibility (application-dependent minimum and maximum)
Slew rate and bandwidth requirements (application-dependent)
Input bias current and offset voltage specifications (application-dependent)

Parameter Comparison

Part Number	Manufacturer	Amplifier Type	Circuits	Slew Rate (V/µs)	GBW (MHz)	Input Bias (nA)	Input Offset (µV)	Supply Min (V)	Supply Max (V)	Temp Range (°C)	Status
LT1352CS8	Analog Devices	Voltage Feedback	2	200	3	20	200	5	30	-40 to 85	Active
LT1352CS8#PBF	Analog Devices	Voltage Feedback	2	200	3	20	200	5	30	-40 to 85	Active
LM258DR	UMW	General Purpose	2	—	—	45	2000	—	32	-25 to 85	Active
LM258DRG4	Texas Instruments	General Purpose	2	0.3	0.7	20	3000	3	32	-25 to 85	Discontinued
TL052ACD	Texas Instruments	J-FET	2	20	3	0.03	650	10	30	0 to 70	Obsolete
TL052ACDR	Texas Instruments	J-FET	2	20	3	0.03	650	10	30	0 to 70	Active
TL052AID	Texas Instruments	J-FET	2	20.7	3	0.03	650	10	30	-40 to 85	Obsolete
TL052AIDR	Texas Instruments	J-FET	2	20.7	3	0.03	650	10	30	-40 to 85	Active
TLE2142AMD	Texas Instruments	General Purpose	2	45	5.9	700	275	4	44	-55 to 125	Last Time Buy
TS512AIDT	STMicroelectronics	General Purpose	2	1.5	3	50	500	3	30	-40 to 125	Active
TS512AIYDT	STMicroelectronics	General Purpose	2	1.5	3	50	500	3	30	-40 to 125	Active

Engineering Selection Recommendations

Direct Equivalent (Recommended for Pin-Compatible Replacement):

LT1352CS8#PBF is the direct equivalent of LT1352CS8, differing only in packaging configuration (tube versus standard packaging). Both parts are manufactured by Analog Devices Inc., maintain identical electrical specifications, and are ROHS3 compliant with MSL 1 rating. This part is suitable for direct substitution without circuit redesign.

Active Status Alternatives:

TL052AIDR (Texas Instruments) is an active product offering identical gain bandwidth product (3 MHz) and slew rate (20.7 V/µs) with superior input bias current characteristics (30 pA versus 20 nA). However, this part operates with a minimum supply voltage of 10V, which may restrict applications requiring 5V operation. The operating temperature range extends to -40°C to 85°C, matching the LT1352CS8.

TS512AIDT and TS512AIYDT (STMicroelectronics) are active general-purpose amplifiers with identical gain bandwidth product (3 MHz) and compatible supply voltage range (3V to 30V). These parts include automotive qualification (AEC-Q100) and extended temperature operation (-40°C to 125°C). The slew rate is reduced to 1.5 V/µs, which may impact applications requiring high-speed transient response.

Discontinued or Obsolete Status:

LM258DRG4 (Texas Instruments) is discontinued at DiGi Electronics and should not be selected for new designs. LM258DR (UMW) remains active but offers reduced bandwidth (700 kHz) and higher input offset voltage (3 mV), making it unsuitable for precision applications.

TL052ACD and TL052AID are obsolete products and should not be used for new designs. TL052ACDR is active but operates with a minimum supply voltage of 10V.

TLE2142AMD is in Last Time Buy status and should not be selected for new designs requiring long-term availability.

Compliance and Certification:

All recommended active alternatives are ROHS3 compliant with MSL 1 rating, matching the environmental and handling requirements of the LT1352CS8. REACH status is unaffected for all listed parts.

Frequently Asked Questions (FAQ)

Q: Can LT1352CS8#PBF be used as a direct replacement for LT1352CS8?

A: Yes. LT1352CS8#PBF is manufactured by Analog Devices Inc. with identical electrical specifications and package type. The only difference is packaging configuration (tube). Both parts are ROHS3 compliant and have MSL 1 rating. No circuit modifications are required.

Q: What is the primary difference between the LT1352CS8 and TL052AIDR?

A: Both parts share identical gain bandwidth product (3 MHz) and similar slew rate characteristics. The TL052AIDR is a J-FET amplifier with significantly lower input bias current (30 pA versus 20 nA) and higher input offset voltage (650 µV versus 200 µV). The TL052AIDR requires a minimum supply voltage of 10V, whereas the LT1352CS8 operates from 5V. Selection depends on whether the application requires 5V operation and low input offset voltage.

Q: Are the TS512AIDT and TS512AIYDT suitable replacements for the LT1352CS8?

A: The TS512AIDT and TS512AIYDT are functionally compatible in terms of package type, number of circuits, and supply voltage range. Both offer extended temperature operation (-40°C to 125°C) and automotive qualification. However, the slew rate is reduced to 1.5 V/µs compared to 200 V/µs for the LT1352CS8. Applications requiring high-speed transient response may not be suitable for these alternatives. The gain bandwidth product is identical at 3 MHz.

Q: Why is LM258DRG4 listed as discontinued?

A: LM258DRG4 is marked as discontinued at DiGi Electronics by Texas Instruments. While inventory may remain available through alternative distributors, this part should not be selected for new designs requiring long-term component availability and support.

Q: What packaging options are available for the LT1352CS8?

A: The LT1352CS8 is available in 8-SOIC surface mount package (0.154" width, 3.90mm). The LT1352CS8#PBF variant uses tube packaging. All substitute parts listed maintain the same 8-SOIC package form factor and surface mount configuration, ensuring mechanical compatibility with existing PCB layouts.

Q: Can the LT1352CS8 operate from a 3V supply?

A: No. The LT1352CS8 requires a minimum supply voltage of 5V. Applications requiring 3V operation should consider LM258DR, LM258DRG4, or TS512AIDT, which all support 3V minimum supply voltage. However, electrical performance characteristics differ from the LT1352CS8 and must be verified against application requirements.

Q: What is the difference between voltage feedback and J-FET amplifier topologies?

A: The LT1352CS8 uses voltage feedback topology with 20 nA input bias current and 200 µV input offset voltage. J-FET amplifiers such as TL052AIDR offer extremely low input bias current (30 pA) but higher input offset voltage (650 µV). Selection depends on whether the application prioritizes low bias current or low offset voltage. Voltage feedback amplifiers typically offer better offset voltage performance, while J-FET amplifiers excel in applications requiring minimal input current.

Q: Are all listed substitute parts ROHS3 compliant?

A: Yes. All substitute parts listed in this reference are ROHS3 compliant with MSL 1 (Unlimited) moisture sensitivity level, matching the environmental compliance of the LT1352CS8.

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