LT6014CS8#PBF Equivalent & Substitute Parts

Part Overview

The LT6014CS8#PBF is a general purpose operational amplifier manufactured by Analog Devices Inc., featuring dual circuits in an 8-SOIC surface mount package. This rail-to-rail output amplifier operates across a wide supply voltage range of 2.7 V to 36 V and is designed for applications requiring low power consumption and compact form factors. The device is active in production status with RoHS3 compliance and unlimited moisture sensitivity rating. Substitute parts are identified to address specific application requirements, including enhanced bandwidth performance, improved input bias current characteristics, or alternative packaging configurations while maintaining functional compatibility within the 8-SOIC package family.

Key Parameters

Parameter	Value	Unit
Amplifier Type	General Purpose	—
Number of Circuits	2	—
Output Type	Rail-to-Rail	—
Slew Rate	0.2	V/µs
Gain Bandwidth Product	1.6	MHz
Current - Input Bias	150	pA
Voltage - Input Offset	35	µV
Current - Supply (x2 Channels)	200	µA
Current - Output / Channel	20	mA
Voltage - Supply Span (Min)	2.7	V
Voltage - Supply Span (Max)	36	V
Operating Temperature	0 to 70	°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 LT6014CS8#PBF are grouped based on functional compatibility within the following criteria:

Primary Substitution Parameters:

Dual-circuit operational amplifier configuration
Rail-to-rail output capability
8-SOIC surface mount package (0.154", 3.90mm width)
Supply voltage range compatibility (minimum 2.7 V to maximum 36 V overlap)
Active product status
RoHS3 compliance

Substitution Categories:

Category 1: General Purpose Amplifiers (Direct Functional Match) Parts OPA2170AID, OPA2170AIDR, OPA2172ID, and OPA2172IDR maintain the general purpose amplifier classification with dual circuits and rail-to-rail output in 8-SOIC packaging. These devices support the full 2.7 V to 36 V supply range and are suitable for applications where the LT6014CS8#PBF performance envelope is acceptable or where enhanced bandwidth and slew rate are beneficial.

Category 2: J-FET Input Amplifiers (Alternative Input Stage Technology) Parts AD823AARZ, AD823AARZ-R7, and AD823AARZ-RL employ J-FET input stages, delivering significantly lower input bias current (1.3 pA versus 150 pA) and higher slew rate (35 V/µs versus 0.2 V/µs). These devices maintain dual-circuit, rail-to-rail, 8-SOIC configuration with supply range 3 V to 36 V, suitable for applications requiring ultra-low input bias current.

Category 3: Audio-Grade Amplifiers (Specialized Application) Part OPA1662AIDRQ1 is classified as an audio amplifier with automotive qualification (AEC-Q100). It maintains dual-circuit, rail-to-rail, 8-SOIC configuration with enhanced output current capability (50 mA versus 20 mA) and automotive-grade reliability.

Category 4: High-Performance General Purpose (Extended Bandwidth) Part OPA2211AIDDA features significantly enhanced bandwidth (80 MHz versus 1.6 MHz) and slew rate (27 V/µs versus 0.2 V/µs) while maintaining general purpose classification, dual circuits, and rail-to-rail output in 8-PowerSOIC package variant.

Category 5: Automotive-Qualified General Purpose Part OPA2171AQDRQ1 provides automotive qualification (AEC-Q100) with general purpose amplifier performance, dual circuits, and rail-to-rail output in 8-SOIC packaging.

Parameter Comparison

Parameter	LT6014CS8#PBF	AD823AARZ	AD823AARZ-R7	AD823AARZ-RL	OPA1662AIDRQ1	OPA2170AID	OPA2170AIDR	OPA2171AQDRQ1	OPA2172ID	OPA2172IDR	OPA2211AIDDA
Manufacturer	Analog Devices	Analog Devices	Analog Devices	Analog Devices	Texas Instruments	Texas Instruments	Texas Instruments	Texas Instruments	Texas Instruments	Texas Instruments	Texas Instruments
Amplifier Type	General Purpose	J-FET	J-FET	J-FET	Audio	General Purpose	General Purpose	General Purpose	General Purpose	General Purpose	General Purpose
Number of Circuits	2	2	2	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	Rail-to-Rail	Rail-to-Rail	Rail-to-Rail
Slew Rate (V/µs)	0.2	35	35	35	17	0.4	0.4	1.5	10	10	27
Gain Bandwidth Product (MHz)	1.6	10	10	10	22	1.2	1.2	3	10	10	80
Current - Input Bias (pA)	150	1.3	1.3	1.3	600	8	8	8	8	8	60
Voltage - Input Offset (µV)	35	800	800	800	500	250	250	250	200	200	30
Current - Supply (µA, x2 Channels)	200	6300	6300	6300	1500	110	110	475	1600	1600	3600
Current - Output / Channel (mA)	20	17	17	17	50	20	20	35	75	75	45
Voltage - Supply Span Min (V)	2.7	3	3	3	3	2.7	2.7	2.7	4.5	4.5	4.5
Voltage - Supply Span Max (V)	36	36	36	36	36	36	36	36	36	36	36
Operating Temperature (°C)	0 to 70	-40 to 85	-40 to 85	-40 to 85	-40 to 85	-40 to 125	-40 to 125	-40 to 125	-40 to 125	-40 to 125	-40 to 125
Package / Case	8-SOIC	8-SOIC	8-SOIC	8-SOIC	8-SOIC	8-SOIC	8-SOIC	8-SOIC	8-SOIC	8-SOIC	8-PowerSOIC
Mounting Type	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Moisture Sensitivity Level	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	2 (1 Year)	2 (1 Year)	2 (1 Year)	3 (168 Hours)	2 (1 Year)	2 (1 Year)	1 (Unlimited)
Product Status	Active	Active	Active	Active	Active	Active	Active	Active	Active	Active	Active

Engineering Selection Recommendations

General Purpose Applications with Standard Performance Requirements

For applications where the LT6014CS8#PBF performance envelope is acceptable, OPA2170AID and OPA2170AIDR provide direct functional substitution. Both devices maintain general purpose amplifier classification with dual circuits and rail-to-rail output in 8-SOIC packaging. The OPA2170 series operates across the full 2.7 V to 36 V supply range and delivers comparable slew rate (0.4 V/µs) and gain bandwidth product (1.2 MHz). These parts are active in production status with RoHS3 compliance and extended operating temperature range (-40°C to 125°C). OPA2170AIDR is available in Cut Tape & Digi-Reel packaging with higher inventory availability (15,400 units).

Applications Requiring Enhanced Bandwidth and Slew Rate

OPA2172ID and OPA2172IDR are suitable for applications requiring higher bandwidth (10 MHz) and slew rate (10 V/µs) performance while maintaining general purpose amplifier functionality. Both devices support the full 36 V maximum supply voltage, though minimum supply voltage is 4.5 V. These parts are active in production with RoHS3 compliance and extended temperature range. OPA2172IDR offers higher inventory availability (17,400 units) in Cut Tape & Digi-Reel packaging.

Ultra-Low Input Bias Current Applications

AD823AARZ, AD823AARZ-R7, and AD823AARZ-RL employ J-FET input stages delivering input bias current of 1.3 pA, substantially lower than the LT6014CS8#PBF (150 pA). These devices maintain dual-circuit, rail-to-rail, 8-SOIC configuration with supply range 3 V to 36 V and extended operating temperature (-40°C to 85°C). All three variants are active in production with RoHS3 compliance and unlimited moisture sensitivity. AD823AARZ-RL provides the highest inventory availability (16,200 units) in Cut Tape & Digi-Reel packaging.

Automotive-Qualified Applications

OPA2171AQDRQ1 provides automotive qualification (AEC-Q100) with general purpose amplifier performance, dual circuits, and rail-to-rail output in 8-SOIC packaging. This device operates across 2.7 V to 36 V supply range with extended temperature range (-40°C to 125°C). OPA1662AIDRQ1 offers audio-grade amplification with automotive qualification, higher output current (50 mA), and enhanced bandwidth (22 MHz), suitable for automotive audio applications.

High-Performance Applications

OPA2211AIDDA delivers significantly enhanced performance with 80 MHz gain bandwidth product and 27 V/µs slew rate, suitable for applications requiring high-speed signal processing. This device maintains general purpose amplifier classification with dual circuits and rail-to-rail output in 8-PowerSOIC package variant. Supply range is 4.5 V to 36 V with extended operating temperature (-40°C to 125°C). RoHS3 compliance and unlimited moisture sensitivity are maintained.

Frequently Asked Questions (FAQ)

Q: Can AD823AARZ be used as a direct replacement for LT6014CS8#PBF?

A: AD823AARZ is functionally compatible within the 8-SOIC package family and maintains dual-circuit, rail-to-rail output configuration. However, the minimum supply voltage is 3 V (versus 2.7 V for LT6014CS8#PBF), and the amplifier type differs (J-FET versus general purpose). Verify that your application supply voltage meets the 3 V minimum requirement and that the J-FET input stage characteristics are acceptable for your circuit design.

Q: What is the primary difference between OPA2170AIDR and OPA2172IDR?

A: Both devices are general purpose amplifiers in 8-SOIC packaging with rail-to-rail output. OPA2172IDR provides higher slew rate (10 V/µs versus 0.4 V/µs) and higher gain bandwidth product (10 MHz versus 1.2 MHz). OPA2172IDR requires minimum supply voltage of 4.5 V, while OPA2170AIDR operates from 2.7 V. Select OPA2172IDR for applications requiring higher bandwidth performance; select OPA2170AIDR for low-voltage supply applications.

Q: Are all substitute parts available in the same packaging as LT6014CS8#PBF?

A: All substitute parts are available in 8-SOIC surface mount packaging except OPA2211AIDDA, which uses 8-PowerSOIC (8-SO PowerPad) variant. The 8-PowerSOIC package maintains the same 0.154" (3.90mm) width as standard 8-SOIC but includes an additional thermal pad for enhanced heat dissipation. PCB layout modifications may be required for OPA2211AIDDA integration.

Q: Which substitute part has the lowest input bias current?

A: AD823AARZ, AD823AARZ-R7, and AD823AARZ-RL all feature input bias current of 1.3 pA, substantially lower than LT6014CS8#PBF (150 pA). These J-FET input amplifiers are suitable for applications requiring ultra-low input bias current, such as high-impedance signal conditioning circuits.

Q: Do all substitute parts maintain RoHS3 compliance?

A: All substitute parts listed are RoHS3 compliant. Moisture sensitivity levels vary: LT6014CS8#PBF, AD823AARZ variants, and OPA2211AIDDA have MSL 1 (Unlimited); OPA2170 and OPA2172 variants have MSL 2 (1 Year); OPA2171AQDRQ1 has MSL 3 (168 Hours). Verify moisture sensitivity requirements for your manufacturing and storage processes.

Q: What is the operating temperature range difference between LT6014CS8#PBF and substitute parts?

A: LT6014CS8#PBF operates from 0°C to 70°C. Most substitute parts extend the upper temperature limit to 85°C or 125°C. OPA2170, OPA2171, and OPA2172 series support -40°C to 125°C, providing extended low-temperature operation. AD823 variants support -40°C to 85°C. Verify that your application temperature requirements align with the selected substitute part.

Q: Can OPA2211AIDDA replace LT6014CS8#PBF in a standard 8-SOIC footprint?

A: OPA2211AIDDA uses 8-PowerSOIC package, which includes a thermal pad not present in standard 8-SOIC. While the package width (0.154", 3.90mm) is identical, PCB layout modifications are required to accommodate the thermal pad. Consult the device datasheet for thermal pad connection requirements and PCB layout guidelines.

Q: Which substitute part is most suitable for low-power applications?

A: OPA2170AID and OPA2170AIDR offer the lowest supply current (110 µA for x2 channels) among general purpose amplifier substitutes, making them suitable for battery-powered and low-power applications. These devices maintain the full 2.7 V to 36 V supply range and deliver comparable performance to LT6014CS8#PBF with extended operating temperature range.

Q: Are automotive-qualified versions available?

A: OPA2171AQDRQ1 and OPA1662AIDRQ1 are both AEC-Q100 qualified for automotive applications. OPA2171AQDRQ1 provides general purpose amplifier performance, while OPA1662AIDRQ1 is audio-grade with higher output current capability (50 mA). Both maintain dual-circuit, rail-to-rail configuration in 8-SOIC packaging.

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