TS912BID CMOS Amplifier Equivalent & Substitute Parts

Part Overview

The TS912BID is a CMOS dual-channel operational amplifier manufactured by STMicroelectronics, housed in an 8-SOIC surface mount package. This device features rail-to-rail output capability, making it suitable for low-voltage analog signal processing applications. The TS912BID is classified as obsolete, necessitating identification of functionally equivalent active alternatives for new designs and production continuity. Substitute parts must maintain compatibility across electrical performance parameters, package form factor, and thermal operating range to ensure direct replacement capability.

Key Parameters

Parameter	Value	Unit
Amplifier Type	CMOS	—
Number of Circuits	2	—
Output Type	Rail-to-Rail	—
Slew Rate	1.3	V/µs
Gain Bandwidth Product	1.4	MHz
Current - Input Bias	1	pA
Voltage - Input Offset	2	mV
Current - Supply (x2 Channels)	230	µA
Current - Output / Channel	75	mA
Voltage - Supply Span (Min)	2.7	V
Voltage - Supply Span (Max)	16	V
Operating Temperature	-40 to 125	°C
Package / Case	8-SOIC (0.154", 3.90mm Width)	—
Mounting Type	Surface Mount	—
Grade	Automotive	—
Qualification	AEC-Q100	—
RoHS Status	ROHS3 Compliant	—
Moisture Sensitivity Level	1 (Unlimited)	—

Substitute Part Grouping Explanation

Substitution of the TS912BID is determined by strict adherence to the following electrical and mechanical parameters:

Primary Substitution Criteria:

Amplifier Type: CMOS
Number of Circuits: 2
Output Type: Rail-to-Rail
Package / Case: 8-SOIC (0.154", 3.90mm Width)
Mounting Type: Surface Mount
Operating Temperature Range: Minimum -40°C, Maximum 125°C

Secondary Compatibility Parameters:

Slew Rate: 1.3 V/µs (nominal reference)
Gain Bandwidth Product: 1.4 MHz (nominal reference)
Voltage Supply Span: 2.7 V to 16 V (minimum to maximum)
Current - Output / Channel: 75 mA (nominal reference)

Substitute parts are grouped into two categories based on output type configuration: standard rail-to-rail output and differential/push-pull rail-to-rail output variants. Parts meeting all primary criteria with electrical parameters within acceptable tolerance of the reference values are classified as direct substitutes. Parts with active product status and automotive-grade qualification are prioritized for new design implementation.

Parameter Comparison

Part Number	Manufacturer	Product Status	Amplifier Type	Number of Circuits	Output Type	Slew Rate (V/µs)	GBW (MHz)	Input Bias (pA)	Input Offset (mV)	Supply Current (µA)	Output Current (mA)	Supply Min (V)	Supply Max (V)	Temp Range (°C)	Package
TS912BID	STMicroelectronics	Obsolete	CMOS	2	Rail-to-Rail	1.3	1.4	1	2	230	75	2.7	16	-40 to 125	8-SOIC
TS912BIDT	STMicroelectronics	Active	CMOS	2	Rail-to-Rail	1.3	1.4	1	2	230	75	2.7	16	-40 to 125	8-SOIC
ADA4665-2ARZ	Analog Devices Inc.	Active	CMOS	2	Rail-to-Rail	1	1.2	0.1	1	290	30	5	16	-40 to 125	8-SOIC
ADA4665-2ARZ-R7	Analog Devices Inc.	Active	CMOS	2	Rail-to-Rail	1	1.2	0.1	1	290	30	5	16	-40 to 125	8-SOIC
ADA4665-2ARZ-RL	Analog Devices Inc.	Active	CMOS	2	Rail-to-Rail	1	1.2	0.1	1	290	30	5	16	-40 to 125	8-SOIC
BD7542F-E2	Rohm Semiconductor	Active	CMOS	2	Rail-to-Rail	0.3	0.6	1	1	400	7	5	14.5	-40 to 85	8-SOIC
LMC6482AIMX/NOPB	Texas Instruments	Active	CMOS	2	Rail-to-Rail	1.3	1.5	0.02	0.11	1300	30	3	15.5	-40 to 85	8-SOIC
LMC6492BEM/NOPB	National Semiconductor	Active	CMOS	2	Differential, Rail-to-Rail	1.3	1.5	0.15	0.11	1300	30	2.5	15.5	-40 to 125	8-SOIC
LMC6492BEMX/NOPB	Texas Instruments	Active	CMOS	2	Differential, Rail-to-Rail	1.3	1.5	0.15	0.11	1300	30	2.5	15.5	-40 to 125	8-SOIC
LMC662AIM/NOPB	National Semiconductor	Active	CMOS	2	Push-Pull, Rail-to-Rail	1.1	1.4	0.002	1	750	40	4.75	15.5	-40 to 85	8-SOIC
LMC662AIMX/NOPB	Texas Instruments	Active	CMOS	2	Push-Pull, Rail-to-Rail	1.1	1.4	0.002	1	750	40	4.75	15.5	-40 to 85	8-SOIC

Engineering Selection Recommendations

Direct Replacement (Identical Electrical and Mechanical Specifications):

The TS912BIDT is the primary substitute for the obsolete TS912BID. Both parts are manufactured by STMicroelectronics and share identical electrical specifications across all measured parameters. The TS912BIDT maintains active product status with significantly higher inventory availability (58,220 units versus 2,196 units for the original part). Both devices carry automotive-grade qualification (AEC-Q100) and ROHS3 compliance. The TS912BIDT is available in Cut Tape and Digi-Reel packaging formats, providing flexibility for both prototype and production environments.

Functionally Compatible Alternatives (Equivalent Performance, Different Output Configuration):

The LMC6492BEMX/NOPB and LMC6492BEM/NOPB offer equivalent electrical performance with differential output configuration instead of standard rail-to-rail output. These parts maintain the 1.3 V/µs slew rate and 1.5 MHz gain bandwidth product, with extended temperature range to 125°C. The lower minimum supply voltage (2.5 V versus 2.7 V) provides additional design flexibility. Both parts are manufactured by Texas Instruments and National Semiconductor respectively, with active product status and ROHS3 compliance.

Performance-Optimized Alternatives (Enhanced Specifications):

The LMC662AIMX/NOPB and LMC662AIM/NOPB feature push-pull output configuration with 1.4 MHz gain bandwidth product matching the original specification. These devices demonstrate superior input bias current (0.002 pA) and input offset voltage (1 mV) performance. Output current capability is increased to 40 mA per channel. Operating temperature range is limited to -40°C to 85°C. Both parts carry active product status and ROHS3 compliance.

Limited Compatibility Alternative:

The BD7542F-E2 manufactured by Rohm Semiconductor meets primary substitution criteria with 8-SOIC package and rail-to-rail output. However, this device exhibits reduced performance specifications: 0.3 V/µs slew rate, 600 kHz gain bandwidth product, and 7 mA output current per channel. Operating temperature range is restricted to -40°C to 85°C. This part is suitable only for applications where reduced bandwidth and output current are acceptable.

Restricted Compatibility Alternative:

The ADA4665-2ARZ series (including ADA4665-2ARZ, ADA4665-2ARZ-R7, and ADA4665-2ARZ-RL) manufactured by Analog Devices Inc. requires minimum supply voltage of 5 V, exceeding the original part's 2.7 V minimum. Output current is limited to 30 mA per channel. These devices are suitable only for applications with 5 V or higher supply rails. All variants maintain active product status, ROHS3 compliance, and -40°C to 125°C operating temperature range.

Limited Compatibility Alternative:

The LMC6482AIMX/NOPB manufactured by Texas Instruments operates with minimum supply voltage of 3 V and exhibits significantly higher supply current (1.3 mA per channel versus 230 µA). Operating temperature range is restricted to -40°C to 85°C. This part is suitable for applications where increased power consumption is acceptable and temperature range limitation is not a constraint.

Frequently Asked Questions (FAQ)

Q: Can the TS912BIDT be used as a direct replacement for the TS912BID?

A: Yes. The TS912BIDT is a direct replacement. Both parts are manufactured by STMicroelectronics with identical electrical specifications, package form factor (8-SOIC), and operating temperature range (-40°C to 125°C). The TS912BIDT has active product status and higher inventory availability.

Q: What is the primary difference between the TS912BID and the LMC6492BEMX/NOPB?

A: The primary difference is output configuration. The TS912BID features standard rail-to-rail output, while the LMC6492BEMX/NOPB provides differential rail-to-rail output. Both maintain identical slew rate (1.3 V/µs) and similar gain bandwidth product (1.5 MHz versus 1.4 MHz). The LMC6492BEMX/NOPB has lower minimum supply voltage (2.5 V versus 2.7 V).

Q: Are all substitute parts available in the same 8-SOIC package?

A: All substitute parts listed are housed in 8-SOIC surface mount packages with 0.154" width (3.90mm). The BD7542F-E2 is specified as 8-SOP with 0.173" width (4.40mm), which is mechanically compatible with 8-SOIC footprints but represents a minor package variation.

Q: Which substitute part has the lowest power consumption?

A: The TS912BIDT maintains the lowest supply current at 230 µA per dual-channel configuration, identical to the original TS912BID. The LMC6482AIMX/NOPB exhibits the highest supply current at 1.3 mA per dual-channel configuration.

Q: Can the ADA4665-2ARZ series be used in applications with 2.7 V supply voltage?

A: No. The ADA4665-2ARZ series requires minimum supply voltage of 5 V. These parts are not suitable for applications operating at the TS912BID's minimum supply voltage of 2.7 V.

Q: What is the operating temperature limitation for the BD7542F-E2?

A: The BD7542F-E2 operates from -40°C to 85°C, which is more restrictive than the TS912BID's -40°C to 125°C range. This part is not suitable for applications requiring operation above 85°C.

Q: Which substitute parts maintain automotive-grade qualification?

A: The TS912BIDT maintains automotive-grade qualification (AEC-Q100) identical to the original TS912BID. Other substitute parts do not specify automotive-grade qualification in the provided specifications.

Q: What packaging options are available for the TS912BIDT?

A: The TS912BIDT is available in Cut Tape (CT) and Digi-Reel packaging formats, providing flexibility for both prototype development and high-volume production environments.

Q: How does the LMC662AIMX/NOPB compare to the TS912BID in terms of input offset voltage?

A: The LMC662AIMX/NOPB exhibits superior input offset voltage performance at 1 mV compared to the TS912BID's 2 mV specification. However, the LMC662AIMX/NOPB operating temperature range is limited to -40°C to 85°C.

Q: Are all substitute parts ROHS3 compliant?

A: All substitute parts listed carry ROHS3 compliance status, matching the original TS912BID specification.

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