TLE2074AING4 Equivalent & Substitute Parts

Part Overview

The TLE2074AING4 is a J-FET input operational amplifier featuring four independent circuits in a 14-DIP package. Manufactured by Texas Instruments, this device is designed for applications requiring low input bias current and low input offset voltage characteristics. The TLE2074AING4 is currently discontinued at DiGi Electronics, necessitating identification of equivalent substitute components that maintain functional and electrical compatibility for existing designs and new production requirements.

Key Parameters

Parameter	Value	Unit
Amplifier Type	J-FET	—
Number of Circuits	4	—
Slew Rate	45	V/µs
Gain Bandwidth Product	10	MHz
Current - Input Bias	1	pA
Voltage - Input Offset	250	µV
Current - Supply (x4 Channels)	730	µA
Current - Output / Channel	48	mA
Voltage - Supply Span (Min)	4.5	V
Voltage - Supply Span (Max)	38	V
Operating Temperature	-40 to 85	°C
Package / Case	14-DIP (0.300", 7.62mm)	—
Mounting Type	Through Hole	—
RoHS Status	ROHS3 Compliant	—

Substitute Part Grouping Explanation

Substitution of the TLE2074AING4 is determined by the following critical parameters:

Primary Substitution Criteria:

Amplifier Type: J-FET input architecture
Number of Circuits: 4 independent amplifier circuits
Package / Case: 14-DIP (0.300", 7.62mm) form factor
Mounting Type: Through Hole compatibility
Electrical Performance: Slew Rate, Gain Bandwidth Product, Input Bias Current, Input Offset Voltage
Supply Voltage Range: Minimum 4.5V to Maximum 38V
Output Current Capability: 48 mA per channel

Substitute Classification:

Direct Equivalent (Same Amplifier Type & Circuit Count):

TLE2074AIN: Identical J-FET 4-circuit configuration with matching electrical specifications and 14-DIP package. Active product status with higher inventory availability.

Functional Equivalent (Different Amplifier Type or Circuit Count):

LT1058CN#PBF: J-FET 4-circuit amplifier with reduced performance specifications (13V/µs slew rate, 5MHz bandwidth) and narrower supply voltage range (20V to 36V).
LT1356CN#PBF: Voltage Feedback 2-circuit amplifier with different architecture (2 circuits instead of 4), higher slew rate (400V/µs), and different electrical characteristics.

Parameter Comparison

Parameter	TLE2074AING4	TLE2074AIN	LT1058CN#PBF	LT1356CN#PBF
Manufacturer	Texas Instruments	Texas Instruments	Analog Devices Inc.	Analog Devices Inc.
Amplifier Type	J-FET	J-FET	J-FET	Voltage Feedback
Number of Circuits	4	4	4	2
Slew Rate (V/µs)	45	45	13	400
Gain Bandwidth Product (MHz)	10	10	5	12
Current - Input Bias (pA)	1	1	7	80 nA
Voltage - Input Offset (µV)	250	250	250	300
Current - Supply (µA)	730 (x4)	730 (x4)	1700 (x4)	1000 (x2)
Current - Output / Channel (mA)	48	48	—	30
Voltage - Supply Span Min (V)	4.5	4.5	20	5
Voltage - Supply Span Max (V)	38	38	36	30
Operating Temperature (°C)	-40 to 85	-40 to 85	0 to 70	0 to 70
Package / Case	14-DIP (0.300", 7.62mm)	14-DIP (0.300", 7.62mm)	14-DIP (0.300", 7.62mm)	14-DIP (0.300", 7.62mm)
Mounting Type	Through Hole	Through Hole	Through Hole	Through Hole
Product Status	Discontinued	Active	Active	Active
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant

Engineering Selection Recommendations

Primary Recommendation: TLE2074AIN

The TLE2074AIN is the direct equivalent substitute for the TLE2074AING4. Both devices share identical electrical specifications, amplifier architecture (J-FET 4-circuit), and 14-DIP package form factor. The TLE2074AIN maintains active product status with significantly higher inventory availability (90,300 pcs vs. 1,089 pcs for the discontinued TLE2074AING4). Both components are ROHS3 compliant and REACH unaffected. The TLE2074AIN is suitable for direct replacement in existing designs without circuit modification.

Secondary Recommendation: LT1058CN#PBF

The LT1058CN#PBF is a J-FET 4-circuit amplifier from Analog Devices Inc. that maintains the same circuit count and package form factor. However, this device exhibits reduced electrical performance: slew rate of 13V/µs (versus 45V/µs), gain bandwidth product of 5MHz (versus 10MHz), and higher input bias current of 7pA (versus 1pA). The supply voltage range is narrower (20V to 36V versus 4.5V to 38V), and the operating temperature range is restricted to 0°C to 70°C. The LT1058CN#PBF is suitable only for applications where reduced performance specifications are acceptable.

Tertiary Recommendation: LT1356CN#PBF

The LT1356CN#PBF is a voltage feedback amplifier with fundamentally different architecture and only 2 circuits instead of 4. This device exhibits significantly higher slew rate (400V/µs) and higher input bias current (80nA). The reduced circuit count requires circuit redesign for applications requiring 4 independent amplifier channels. The LT1356CN#PBF is not recommended as a direct substitute but may be considered only for applications requiring 2 amplifier channels with different performance characteristics.

Frequently Asked Questions (FAQ)

Q: Can the TLE2074AIN be used as a direct replacement for the TLE2074AING4?

A: Yes. The TLE2074AIN is electrically and mechanically identical to the TLE2074AING4. Both devices feature J-FET input amplifiers with 4 circuits, identical electrical specifications, and 14-DIP through-hole packaging. No circuit modifications are required.

Q: What is the primary difference between the TLE2074AING4 and TLE2074AIN?

A: The primary difference is product status and packaging format. The TLE2074AING4 is discontinued and supplied in tube packaging, while the TLE2074AIN is an active product with higher inventory availability. Electrical specifications and package form factor are identical.

Q: Why is the LT1058CN#PBF not recommended as a direct substitute?

A: The LT1058CN#PBF exhibits reduced electrical performance specifications. The slew rate is 13V/µs compared to 45V/µs, the gain bandwidth product is 5MHz compared to 10MHz, and the input bias current is 7pA compared to 1pA. Additionally, the supply voltage range is narrower (20V to 36V versus 4.5V to 38V), and the operating temperature range is restricted to 0°C to 70°C. These differences may cause circuit performance degradation in applications sensitive to slew rate, bandwidth, or supply voltage requirements.

Q: Can the LT1356CN#PBF replace the TLE2074AING4 in a design?

A: The LT1356CN#PBF cannot serve as a direct substitute. This device is a voltage feedback amplifier with only 2 circuits instead of 4, requiring circuit redesign. The different amplifier architecture and reduced circuit count make it unsuitable for applications requiring 4 independent J-FET amplifier channels.

Q: Are all substitute parts RoHS3 compliant?

A: Yes. The TLE2074AIN, LT1058CN#PBF, and LT1356CN#PBF are all ROHS3 compliant and REACH unaffected, matching the compliance status of the TLE2074AING4.

Q: What is the operating temperature range difference between the TLE2074AING4 and the Analog Devices substitutes?

A: The TLE2074AING4 operates from -40°C to 85°C, while both the LT1058CN#PBF and LT1356CN#PBF operate from 0°C to 70°C. Applications requiring operation below 0°C or above 70°C must use the TLE2074AIN, which maintains the -40°C to 85°C operating range.

Q: What is the supply voltage range compatibility?

A: The TLE2074AING4 and TLE2074AIN support 4.5V to 38V supply voltage range. The LT1058CN#PBF supports 20V to 36V, and the LT1356CN#PBF supports 5V to 30V. Applications requiring operation below 5V or above 36V must use the TLE2074AIN.

Q: Is the 14-DIP package form factor identical across all substitute parts?

A: Yes. All substitute parts (TLE2074AIN, LT1058CN#PBF, and LT1356CN#PBF) use the 14-DIP (0.300", 7.62mm) package with through-hole mounting, ensuring mechanical compatibility with existing PCB layouts designed for the TLE2074AING4.

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