TS1852IST Equivalent & Substitute Parts

Part Overview

The TS1852IST is a general-purpose operational amplifier manufactured by STMicroelectronics, configured as a dual-channel (2 circuit) rail-to-rail amplifier in an 8-MiniSO surface mount package. The device operates across a supply voltage range of 1.8 V to 6 V and is rated for temperatures from -40°C to 125°C. The TS1852IST holds Active product status and is RoHS3 compliant with unlimited moisture sensitivity rating (MSL 1).

Equivalent and substitute parts are identified when component availability is limited, supply chain disruptions occur, or design flexibility permits selection from alternative manufacturers offering compatible electrical and mechanical specifications within the same functional category.

Key Parameters

Parameter	TS1852IST
Manufacturer	STMicroelectronics
Amplifier Type	General Purpose
Number of Circuits	2
Output Type	Rail-to-Rail
Package / Case	8-TSSOP, 8-MSOP (0.118", 3.00mm Width)
Mounting Type	Surface Mount
Voltage - Supply Span (Min)	1.8 V
Voltage - Supply Span (Max)	6 V
Operating Temperature	-40°C ~ 125°C
Product Status	Active
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)

Substitute Part Grouping Explanation

Substitute parts for the TS1852IST are grouped based on the following critical parameters that determine functional and mechanical compatibility:

Primary Compatibility Criteria:

Dual-channel (2 circuit) configuration
Rail-to-rail output capability
8-pin surface mount package (8-MSOP, 8-TSSOP, or 8-VSSOP variants)
Supply voltage range overlap with 1.8 V minimum or lower
Operating temperature range including -40°C minimum
Active product status
RoHS3 compliance

Substitution Categories:

Category 1: General Purpose Amplifiers (Closest Functional Match) Parts maintaining general-purpose amplifier classification with similar electrical performance envelope: OPA2369AIDGKR, OPA2369AIDGKT

Category 2: CMOS Amplifiers (Enhanced Performance) Parts offering CMOS technology with improved slew rate and gain-bandwidth product characteristics: AD8602ARMZ, AD8602DRMZ-REEL, AD8532ARMZ-REEL

Category 3: Alternative General Purpose / CMOS (Extended Compatibility) Parts meeting core mechanical and electrical requirements with variations in performance metrics: LMV342IDGKR, OPA2350EA/2K5

Parameter Comparison

Parameter	TS1852IST	AD8532ARMZ-REEL	AD8602ARMZ	AD8602DRMZ-REEL	LMV342IDGKR	OPA2350EA/2K5	OPA2369AIDGKR	OPA2369AIDGKT
Manufacturer	STMicroelectronics	Analog Devices Inc.	Analog Devices Inc.	Analog Devices Inc.	Texas Instruments	Texas Instruments	Texas Instruments	Texas Instruments
Amplifier Type	General Purpose	General Purpose	CMOS	CMOS	CMOS	CMOS	General Purpose	General Purpose
Number of Circuits	2	2	2	2	2	2	2	2
Output Type	Rail-to-Rail	Rail-to-Rail	Rail-to-Rail	Rail-to-Rail	Rail-to-Rail	Rail-to-Rail	Rail-to-Rail	Rail-to-Rail
Slew Rate	0.25 V/µs	5 V/µs	6 V/µs	6 V/µs	1 V/µs	22 V/µs	0.005 V/µs	0.005 V/µs
Gain Bandwidth Product	630 kHz	3 MHz	8.4 MHz	8.4 MHz	1 MHz	38 MHz	12 kHz	12 kHz
Current - Input Bias	16 nA	5 pA	0.2 pA	0.2 pA	1 pA	0.5 pA	10 pA	10 pA
Voltage - Input Offset	1 mV	25 mV	80 µV	1.3 mV	250 µV	150 µV	250 µV	250 µV
Current - Supply	162 µA	750 µA (x2 Channels)	750 µA (x2 Channels)	750 µA (x2 Channels)	107 µA (x2 Channels)	5.2 mA (x2 Channels)	700 nA (x2 Channels)	700 nA (x2 Channels)
Current - Output / Channel	48 mA	250 mA	50 mA	50 mA	113 mA	40 mA	10 mA	10 mA
Voltage - Supply Span (Min)	1.8 V	2.7 V	2.7 V	2.7 V	2.5 V	2.7 V	1.8 V	1.8 V
Voltage - Supply Span (Max)	6 V	6 V	5.5 V	5.5 V	5.5 V	5.5 V	5.5 V	5.5 V
Operating Temperature	-40°C ~ 125°C	-40°C ~ 85°C	-40°C ~ 125°C	-40°C ~ 125°C	-40°C ~ 125°C	-40°C ~ 85°C	-40°C ~ 85°C	-40°C ~ 85°C
Mounting Type	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount
Package / Case	8-TSSOP, 8-MSOP	8-TSSOP, 8-MSOP	8-TSSOP, 8-MSOP	8-TSSOP, 8-MSOP	8-TSSOP, 8-MSOP	8-TSSOP, 8-MSOP	8-TSSOP, 8-MSOP	8-TSSOP, 8-MSOP
Product Status	Active	Active	Active	Active	Active	Active	Active	Active
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	2 (1 Year)	2 (1 Year)	2 (1 Year)

Engineering Selection Recommendations

All substitute parts listed maintain Active product status and RoHS3 compliance, meeting regulatory and supply chain continuity requirements equivalent to the TS1852IST.

Direct Substitutes (Highest Compatibility):

OPA2369AIDGKR and OPA2369AIDGKT are classified as general-purpose amplifiers with matching supply voltage minimum of 1.8 V and operating temperature range of -40°C to 85°C. Both parts are available in Tape & Reel packaging and maintain identical electrical performance characteristics. The primary distinction between these two parts is packaging configuration (both TR variants with different tape specifications). These parts are suitable for applications where the TS1852IST supply voltage range and temperature rating are not critical constraints.

Performance-Enhanced Substitutes:

AD8602ARMZ and AD8602DRMZ-REEL offer CMOS technology with significantly improved slew rate (6 V/µs versus 0.25 V/µs) and gain-bandwidth product (8.4 MHz versus 630 kHz). Both maintain the 8-MSOP package footprint and operate across -40°C to 125°C. AD8602ARMZ is supplied in Tube packaging, while AD8602DRMZ-REEL is supplied in Cut Tape & Digi-Reel format. These parts are suitable for applications requiring higher bandwidth performance within compatible supply voltage ranges (2.7 V to 5.5 V).

AD8532ARMZ-REEL provides intermediate performance characteristics with 5 V/µs slew rate and 3 MHz gain-bandwidth product. Operating temperature range is -40°C to 85°C with supply voltage range of 2.7 V to 6 V. This part is supplied in Cut Tape & Digi-Reel packaging.

Alternative Substitutes (Extended Compatibility):

LMV342IDGKR (Texas Instruments LMV series) and OPA2350EA/2K5 (Texas Instruments MicroAmplifier series) provide additional sourcing options. LMV342IDGKR operates at -40°C to 125°C with 2.5 V to 5.5 V supply range. OPA2350EA/2K5 operates at -40°C to 85°C with 2.7 V to 5.5 V supply range and offers the highest gain-bandwidth product (38 MHz) among all listed substitutes. OPA2350EA/2K5 carries MSL 2 rating (1 Year) versus MSL 1 for the TS1852IST.

Supply Voltage Considerations:

The TS1852IST operates with a minimum supply voltage of 1.8 V. Substitute parts AD8532ARMZ-REEL, AD8602ARMZ, AD8602DRMZ-REEL, LMV342IDGKR, and OPA2350EA/2K5 require minimum supply voltages of 2.5 V to 2.7 V. OPA2369AIDGKR and OPA2369AIDGKT maintain the 1.8 V minimum supply voltage specification.

Operating Temperature Considerations:

The TS1852IST is rated for -40°C to 125°C operation. Substitute parts AD8532ARMZ-REEL, OPA2350EA/2K5, OPA2369AIDGKR, and OPA2369AIDGKT are rated for -40°C to 85°C operation. AD8602ARMZ and AD8602DRMZ-REEL are rated for -40°C to 125°C operation, matching the TS1852IST temperature specification. LMV342IDGKR is rated for -40°C to 125°C operation.

Frequently Asked Questions (FAQ)

Q: Can I directly replace TS1852IST with any of the listed substitute parts?

A: Direct replacement depends on application-specific requirements. All listed parts share the same dual-channel, rail-to-rail, 8-pin surface mount package configuration. However, electrical performance parameters vary significantly. Applications operating at supply voltages below 2.5 V require either TS1852IST or OPA2369AIDGKR/OPA2369AIDGKT. Applications requiring operation above 85°C require TS1852IST, AD8602ARMZ, AD8602DRMZ-REEL, or LMV342IDGKR.

Q: What is the primary difference between AD8602ARMZ and AD8602DRMZ-REEL?

A: Both parts are identical in electrical specifications and package type (8-MSOP). The difference is packaging format: AD8602ARMZ is supplied in Tube packaging, while AD8602DRMZ-REEL is supplied in Cut Tape & Digi-Reel format. Selection depends on assembly line requirements and tape reel compatibility.

Q: Are OPA2369AIDGKR and OPA2369AIDGKT interchangeable?

A: Both parts are electrically identical with matching specifications. Both are supplied in Tape & Reel (TR) packaging. The distinction relates to specific tape configuration details. Consult packaging documentation for assembly equipment compatibility.

Q: Which substitute offers the best performance improvement over TS1852IST?

A: OPA2350EA/2K5 provides the highest gain-bandwidth product (38 MHz versus 630 kHz) and slew rate (22 V/µs versus 0.25 V/µs). However, this part operates at -40°C to 85°C (not 125°C) and carries MSL 2 rating (1 Year) versus MSL 1 (Unlimited) for TS1852IST.

Q: What are the moisture sensitivity implications of substitute selection?

A: TS1852IST, AD8532ARMZ-REEL, AD8602ARMZ, and AD8602DRMZ-REEL carry MSL 1 rating (Unlimited shelf life). OPA2350EA/2K5, OPA2369AIDGKR, and OPA2369AIDGKT carry MSL 2 rating (1 Year shelf life). MSL 2 components require controlled storage conditions and have defined bake-out procedures before assembly.

Q: Can I use a substitute part rated for -40°C to 85°C in an application requiring -40°C to 125°C operation?

A: No. Operating temperature range is a critical specification. Parts rated for -40°C to 85°C (AD8532ARMZ-REEL, OPA2350EA/2K5, OPA2369AIDGKR, OPA2369AIDGKT) must not be used in applications requiring operation above 85°C. Select TS1852IST, AD8602ARMZ, AD8602DRMZ-REEL, or LMV342IDGKR for full -40°C to 125°C temperature range.

Q: Which substitute parts maintain the 1.8 V minimum supply voltage of TS1852IST?

A: OPA2369AIDGKR and OPA2369AIDGKT both specify 1.8 V minimum supply voltage, matching TS1852IST. All other substitutes require minimum supply voltages of 2.5 V to 2.7 V.

Q: Are all substitute parts RoHS3 compliant?

A: Yes. All listed substitute parts carry RoHS3 compliance certification, matching the TS1852IST regulatory status.

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