TS512ID Equivalent & Substitute Parts

Part Overview

The TS512ID is a general-purpose operational amplifier manufactured by STMicroelectronics, configured as a dual-channel (2 circuit) device in an 8-SOIC surface-mount package. This component is classified as obsolete, indicating discontinued production and limited availability in the market. The identification of equivalent and substitute parts is necessary to maintain design continuity, ensure supply chain reliability, and support ongoing production requirements for applications utilizing this amplifier topology.

Key Parameters

Parameter	Value
Manufacturer Part Number	TS512ID
Manufacturer	STMicroelectronics
Category	Linear, Amplifiers
Amplifier Type	General Purpose
Number of Circuits	2
Package / Case	8-SOIC (0.154", 3.90mm Width)
Mounting Type	Surface Mount
Slew Rate	1.5 V/µs
Gain Bandwidth Product	3 MHz
Current - Input Bias	50 nA
Voltage - Input Offset	500 µV
Current - Supply	500 µA (x2 Channels)
Current - Output / Channel	23 mA
Voltage - Supply Span (Min)	3 V
Voltage - Supply Span (Max)	30 V
Operating Temperature	-40°C ~ 125°C
Product Status	Obsolete
Grade	Automotive
Qualification	AEC-Q100
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution of the TS512ID is determined by strict adherence to the following electrical and mechanical parameters:

Primary Substitution Criteria:

Package compatibility: 8-SOIC surface-mount configuration with 0.154" (3.90mm) width
Dual-channel (2 circuit) operational amplifier architecture
Supply voltage range encompassing the TS512ID specification (3 V to 30 V minimum and maximum)
Operating temperature range meeting or exceeding -40°C to 125°C
Output current capability of at least 23 mA per channel
Input bias current of 50 nA or lower
Input offset voltage of 500 µV or lower

Secondary Compatibility Factors:

RoHS3 compliance and MSL rating consistency
Automotive-grade qualification (AEC-Q100) for applications requiring this certification
Slew rate and gain-bandwidth product performance characteristics

Substitute parts are grouped into two categories based on amplifier topology: general-purpose amplifiers (matching the TS512ID classification) and J-FET amplifiers (offering superior input bias current characteristics). Both categories maintain the required 8-SOIC package footprint and dual-channel configuration.

Parameter Comparison

Parameter	TS512ID	AD8682ARZ	ADTL082ARZ	ADTL082ARZ-REEL	ADTL082ARZ-REEL7	BA4558F-E2	BA4558RF-E2	BA4560F-E1	BA4560F-E2	BA4560RF-E2	LF412CD
Manufacturer	STMicroelectronics	Analog Devices Inc.	Analog Devices Inc.	Analog Devices Inc.	Analog Devices Inc.	Rohm Semiconductor	Rohm Semiconductor	Rohm Semiconductor	Rohm Semiconductor	Rohm Semiconductor	Texas Instruments
Amplifier Type	General Purpose	J-FET	J-FET	J-FET	J-FET	General Purpose	General Purpose	General Purpose	General Purpose	General Purpose	J-FET
Number of Circuits	2	2	2	2	2	2	2	2	2	2	2
Package / Case	8-SOIC (0.154", 3.90mm)	8-SOIC (0.154", 3.90mm)	8-SOIC (0.154", 3.90mm)	8-SOIC (0.154", 3.90mm)	8-SOIC (0.154", 3.90mm)	8-SOIC (0.173", 4.40mm)	8-SOIC (0.173", 4.40mm)	8-SOIC (0.173", 4.40mm)	8-SOIC (0.173", 4.40mm)	8-SOIC (0.173", 4.40mm)	8-SOIC (0.154", 3.90mm)
Slew Rate	1.5 V/µs	9 V/µs	20 V/µs	20 V/µs	20 V/µs	1.2 V/µs	1 V/µs	4 V/µs	4 V/µs	4 V/µs	13 V/µs
Gain Bandwidth Product	3 MHz	3.5 MHz	5 MHz	5 MHz	5 MHz	2 MHz	2 MHz	10 MHz	10 MHz	4 MHz	3 MHz
Current - Input Bias	50 nA	6 pA	2 pA	2 pA	2 pA	60 nA	60 nA	50 nA	50 nA	50 nA	50 pA
Voltage - Input Offset	500 µV	350 µV	1.5 mV	1.5 mV	1.5 mV	500 µV	500 µV	500 µV	500 µV	500 µV	500 µV
Current - Supply	500 µA (x2)	210 µA (x2)	1.2 mA (x2)	1.2 mA (x2)	1.2 mA (x2)	Not specified	3 mA	Not specified	Not specified	3 mA	4.5 mA (x2)
Current - Output / Channel	23 mA	12 mA	27 mA	27 mA	27 mA	10 mA	10 mA	25 mA	25 mA	25 mA	Not specified
Voltage - Supply Span (Min)	3 V	9 V	8 V	8 V	8 V	8 V	8 V	8 V	8 V	8 V	7 V
Voltage - Supply Span (Max)	30 V	36 V	36 V	36 V	36 V	30 V	30 V	30 V	30 V	30 V	36 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 ~ 105°C	-40°C ~ 85°C	-40°C ~ 85°C	-40°C ~ 105°C	0°C ~ 70°C
Product Status	Obsolete	Active	Active	Active	Active	Active	Active	Active	Active	Active	Obsolete
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Mounting Type	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount

Engineering Selection Recommendations

Primary Substitutes (Highest Compatibility):

The ADTL082ARZ, ADTL082ARZ-REEL, and ADTL082ARZ-REEL7 variants from Analog Devices represent the most direct substitutes for the TS512ID. These J-FET amplifiers maintain the identical 8-SOIC (0.154", 3.90mm) package footprint, dual-channel configuration, and extended operating temperature range (-40°C to 125°C) matching the TS512ID specification. All three variants are currently in active production status with substantial inventory availability. The ADTL082ARZ-REEL7 offers the highest stock level (22,215 units), ensuring supply continuity. These devices provide superior input bias current characteristics (2 pA versus 50 nA) and higher slew rate (20 V/µs versus 1.5 V/µs), delivering enhanced performance in low-bias-current applications.

Secondary Substitutes (Package Footprint Variation):

The BA4560F-E2 and BA4560RF-E2 from Rohm Semiconductor provide general-purpose amplification with active production status and extensive inventory (156,523 and 330,900 units respectively). These devices feature a slightly wider 8-SOIC package (0.173", 4.40mm width) and maintain the 3 V to 30 V supply voltage range. The BA4560RF-E2 supports extended operating temperature to 105°C and includes specified supply current (3 mA). Output current capability (25 mA per channel) exceeds the TS512ID requirement (23 mA).

Conditional Substitutes (Temperature or Performance Limitations):

The AD8682ARZ from Analog Devices operates within a reduced temperature range (-40°C to 85°C), limiting suitability for applications requiring the full -40°C to 125°C specification. The BA4558F-E2 and BA4558RF-E2 similarly restrict operation to 85°C and 105°C respectively, with reduced output current capability (10 mA per channel) below the TS512ID specification.

Not Recommended:

The LF412CD from Texas Instruments, though obsolete like the TS512ID, operates only to 70°C maximum temperature, falling significantly short of the TS512ID's -40°C to 125°C range and is unsuitable for automotive-grade applications requiring AEC-Q100 qualification.

Frequently Asked Questions (FAQ)

Q: Can the ADTL082ARZ directly replace the TS512ID without PCB modifications?

A: Yes. The ADTL082ARZ maintains identical 8-SOIC (0.154", 3.90mm) package dimensions and pin configuration, enabling direct socket substitution without PCB layout changes. Both devices are surface-mount components with matching lead spacing and orientation.

Q: What is the significance of the package width difference between 0.154" and 0.173"?

A: The package width difference reflects variations in the 8-SOIC standard. The 0.154" (3.90mm) width is the narrower variant used by STMicroelectronics (TS512ID) and Analog Devices (ADTL082ARZ series). The 0.173" (4.40mm) width used by Rohm Semiconductor (BA4560 and BA4558 series) represents a wider variant. While both are classified as 8-SOIC, the physical footprint difference may require PCB layout verification before substitution.

Q: Does the TS512ID's automotive-grade AEC-Q100 qualification require substitutes to carry identical certification?

A: Automotive applications requiring AEC-Q100 qualification must use components meeting this specification. The ADTL082ARZ series does not carry explicit AEC-Q100 qualification in the provided data. Applications with automotive-grade requirements should confirm substitute component qualifications with the manufacturer before implementation.

Q: How do J-FET amplifiers (AD8682ARZ, ADTL082ARZ) differ functionally from general-purpose amplifiers (TS512ID, BA4560)?

A: J-FET amplifiers employ junction field-effect transistor input stages, delivering significantly lower input bias current (2 to 6 pA versus 50 nA) and higher slew rate (9 to 20 V/µs versus 1.5 V/µs). These characteristics benefit high-impedance signal sources and applications requiring rapid transient response. General-purpose amplifiers provide lower cost and simpler biasing requirements. Functional substitution is valid when input bias current and slew rate specifications are compatible with circuit requirements.

Q: What inventory considerations apply when selecting between substitute parts?

A: The ADTL082ARZ-REEL7 offers the highest inventory availability (22,215 units), followed by BA4560RF-E2 (330,900 units) and BA4560F-E2 (156,523 units). The TS512ID itself maintains 8,000 units in stock. Inventory levels influence lead time and supply chain reliability for production planning.

Q: Are all substitute parts RoHS3 compliant?

A: Yes. All substitute parts listed maintain ROHS3 compliance and MSL rating of 1 (Unlimited), matching the TS512ID environmental and regulatory status. This ensures compatibility with modern manufacturing and environmental requirements.

Q: What output current limitations should be considered when substituting?

A: The TS512ID specifies 23 mA per channel output current. The ADTL082ARZ series (27 mA), BA4560 series (25 mA), and BA4560F-E1 (25 mA) meet or exceed this requirement. The AD8682ARZ (12 mA) and BA4558 series (10 mA) fall below the TS512ID specification and are unsuitable for applications requiring the full 23 mA output capability.

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