TL052AIDRG4 Equivalent & Substitute Parts

Part Overview

The TL052AIDRG4 is a J-FET input operational amplifier manufactured by Texas Instruments, configured as a dual-channel (2 circuit) device in 8-SOIC surface mount packaging. This LinCMOS™ series amplifier is designed for applications requiring low input bias current and low input offset voltage characteristics typical of JFET-input op-amps.

The TL052AIDRG4 is currently discontinued at DiGi Electronics. Equivalent and substitute parts are available from multiple manufacturers including Texas Instruments (active product line variants), STMicroelectronics, and Analog Devices Inc., offering direct functional replacement or enhanced performance alternatives depending on application requirements.

Key Parameters

Parameter	Value	Unit
Amplifier Type	J-FET	—
Number of Circuits	2	—
Slew Rate	20.7	V/µs
Gain Bandwidth Product	3	MHz
Current - Input Bias	30	pA
Voltage - Input Offset	650	µV
Current - Supply	4.8 (x2 Channels)	mA
Current - Output / Channel	80	mA
Voltage - Supply Span (Min)	10	V
Voltage - Supply Span (Max)	30	V
Operating Temperature	-40 to 85	°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

Substitution logic for the TL052AIDRG4 is based on the following critical parameters:

Primary Substitution Criteria:

Amplifier Type: J-FET input configuration
Number of Circuits: Dual-channel (2 circuits)
Package: 8-SOIC surface mount form factor
Operating Temperature Range: Minimum -40°C capability
Supply Voltage Range: Compatibility within 10V to 30V span
Slew Rate and Gain Bandwidth Product: Performance envelope for signal fidelity

Substitution Categories:

Category 1 - Direct Equivalent (Texas Instruments TL052AIDR): Identical electrical specifications and LinCMOS™ series lineage. Differs only in packaging format (Cut Tape & Digi-Reel® vs. Digi-Reel®). Product status is Active, ensuring long-term availability.

Category 2 - J-FET Alternatives with Enhanced Performance (STMicroelectronics LF253DT, LF353DT; Analog Devices LT1057 series): These devices maintain J-FET input architecture and dual-channel configuration in 8-SOIC packaging. They offer improved specifications in input bias current (20 pA vs. 30 pA), higher gain bandwidth product (4-5 MHz vs. 3 MHz), and extended supply voltage ranges. LF353DT operates at 0°C to 70°C (industrial temperature range). LT1057 variants feature superior input bias current (7 pA) and lower input offset voltage (220 µV).

Category 3 - Voltage Feedback Alternative (Analog Devices LT1352 series): Differs in amplifier topology (Voltage Feedback vs. J-FET) but maintains dual-channel 8-SOIC configuration. Offers significantly higher slew rate (200 V/µs) and lower supply current (250 µA vs. 4.8 mA). Suitable for applications where power consumption and slew rate are prioritized over traditional JFET characteristics.

Category 4 - Audio Amplifier Alternative (STMicroelectronics LM833DT): Audio-optimized topology with higher gain bandwidth product (15 MHz) and different input bias current profile (300 nA). Maintains dual-channel 8-SO packaging and extended operating temperature range (-40°C to 105°C).

Parameter Comparison

Part Number	Manufacturer	Amplifier Type	Slew Rate (V/µs)	GBW (MHz)	Input Bias (pA)	Input Offset (µV)	Supply Current (mA)	Output Current (mA)	Supply Min (V)	Supply Max (V)	Temp Range (°C)	Status
TL052AIDRG4	Texas Instruments	J-FET	20.7	3	30	650	4.8	80	10	30	-40 to 85	Discontinued
TL052AIDR	Texas Instruments	J-FET	20.7	3	30	650	4.8	80	10	30	-40 to 85	Active
LF253DT	STMicroelectronics	J-FET	16	4	20	3000	1.4	40	6	36	-40 to 105	Active
LF353DT	STMicroelectronics	J-FET	16	4	20	3000	1.4	40	6	36	0 to 70	Active
LM833DT	STMicroelectronics	Audio	7	15	300	300	4	37	5	30	-40 to 105	Active
LT1057IS8#PBF	Analog Devices	J-FET	13	5	7	220	1.7	—	20	36	-40 to 85	Active
LT1057IS8#TRPBF	Analog Devices	J-FET	13	5	7	220	1.7	—	20	36	-40 to 85	Active
LT1057S8#PBF	Analog Devices	J-FET	13	5	7	220	1.7	—	20	36	0 to 70	Active
LT1057S8#TRPBF	Analog Devices	J-FET	13	5	7	220	1.7	—	20	36	0 to 70	Active
LT1352CS8#PBF	Analog Devices	Voltage Feedback	200	3	20	200	0.25	14	5	30	-40 to 85	Active
LT1352CS8#TRPBF	Analog Devices	Voltage Feedback	200	3	20	200	0.25	14	5	30	-40 to 85	Active

Engineering Selection Recommendations

For Direct Replacement (No Design Changes Required):

Select TL052AIDR (Texas Instruments). This part is electrically and functionally identical to the TL052AIDRG4 with identical electrical specifications across all parameters. Product status is Active, ensuring availability and long-term supply chain stability. Packaging differs only in format (Cut Tape & Digi-Reel® vs. Digi-Reel®), which does not affect circuit performance. RoHS3 compliance and MSL Level 1 rating are maintained.

For Enhanced Performance with J-FET Architecture:

Select LT1057IS8#TRPBF or LT1057IS8#PBF (Analog Devices). These devices maintain J-FET input topology and dual-channel configuration. Superior input bias current (7 pA vs. 30 pA) and lower input offset voltage (220 µV vs. 650 µV) provide improved precision. Higher gain bandwidth product (5 MHz vs. 3 MHz) supports faster signal processing. Supply voltage range (20V to 36V) accommodates the original 10V to 30V requirement. Operating temperature range (-40°C to 85°C) matches the original specification. Product status is Active.

For Industrial Temperature Range:

Select LF253DT (STMicroelectronics). Extends operating temperature to -40°C to 105°C while maintaining J-FET input architecture. Improved input bias current (20 pA) and higher gain bandwidth product (4 MHz). Wider supply voltage range (6V to 36V) provides greater design flexibility. Product status is Active with high inventory availability (72,138 units).

For Power-Constrained Applications:

Select LT1352CS8#TRPBF or LT1352CS8#PBF (Analog Devices). Voltage Feedback topology with dramatically reduced supply current (250 µA vs. 4.8 mA per channel pair). Exceptional slew rate (200 V/µs) enables high-speed signal conditioning. Maintains 8-SOIC packaging and RoHS3 compliance. Operating temperature range (-40°C to 85°C) matches original specification. Product status is Active.

All recommended substitutes maintain RoHS3 compliance, MSL Level 1 rating, and REACH Unaffected status consistent with the original TL052AIDRG4.

Frequently Asked Questions (FAQ)

Q1: Can I directly replace TL052AIDRG4 with TL052AIDR without circuit modifications?

A: Yes. TL052AIDR is electrically and functionally identical to TL052AIDRG4. All electrical parameters, supply voltage range, operating temperature range, and package dimensions are identical. The only difference is packaging format (Cut Tape & Digi-Reel® vs. Digi-Reel®), which does not affect circuit operation. No design changes are required.

Q2: What is the key difference between J-FET and Voltage Feedback amplifier topologies in the substitute list?

A: J-FET input amplifiers (TL052AIDR, LF253DT, LF353DT, LT1057 series) feature extremely low input bias current (7-30 pA) and high input impedance, making them suitable for high-impedance signal sources and precision measurement applications. Voltage Feedback amplifiers (LT1352 series) prioritize high slew rate and low supply current, making them suitable for power-sensitive and high-speed applications. The choice depends on application requirements, not interchangeability.

Q3: Why does LF353DT have a narrower operating temperature range (0°C to 70°C) compared to the original TL052AIDRG4 (-40°C to 85°C)?

A: LF353DT is specified for industrial temperature range (0°C to 70°C), while the original operates across extended military/automotive range (-40°C to 85°C). If your application requires operation below 0°C or above 70°C, use LF253DT (which extends to -40°C to 105°C) or LT1057 variants instead.

Q4: Can I use LM833DT as a substitute for TL052AIDRG4?

A: LM833DT is an audio-optimized amplifier with different input bias current characteristics (300 nA vs. 30 pA) and different amplifier topology. While it maintains dual-channel 8-SO packaging and similar supply voltage range, it is not recommended as a direct substitute for precision applications requiring low input bias current. It is suitable only for audio and general-purpose applications where the higher input bias current is acceptable.

Q5: What does "Product Status: Active" mean for substitute parts?

A: Active status indicates the manufacturer currently produces and supports the part, ensuring long-term availability, consistent quality, and continued technical support. This contrasts with the TL052AIDRG4, which is discontinued at DiGi Electronics, meaning new production has ceased and supply is limited to existing inventory.

Q6: Are all substitute parts RoHS3 compliant like the original TL052AIDRG4?

A: Yes. All substitute parts listed maintain RoHS3 compliance and MSL Level 1 (Unlimited) moisture sensitivity rating, consistent with the original TL052AIDRG4. All are REACH Unaffected. Compliance certifications are maintained across all alternatives.

Q7: What is the significance of the 8-SOIC vs. 8-SO package designation in the substitute list?

A: Both 8-SOIC and 8-SO refer to 8-pin small outline integrated circuit packages with identical physical dimensions (0.154" width, 3.90mm). The designations are manufacturer-specific nomenclature (SOIC = Small Outline Integrated Circuit, SO = Small Outline) but represent the same physical form factor. Parts are mechanically and electrically interchangeable in PCB layouts designed for 8-SOIC.

Q8: Which substitute offers the lowest power consumption?

A: LT1352CS8#TRPBF and LT1352CS8#PBF offer the lowest supply current at 250 µA per channel pair, compared to 4.8 mA for the original TL052AIDRG4. This represents a 19-fold reduction in power consumption, making these parts suitable for battery-powered and energy-constrained applications.

Q9: Which substitute provides the highest slew rate?

A: LT1352CS8#TRPBF and LT1352CS8#PBF provide the highest slew rate at 200 V/µs, compared to 20.7 V/µs for the original. This enables faster signal transitions and is beneficial for high-frequency signal conditioning and fast-settling applications.

Q10: Can I mix different substitute parts in the same circuit board design?

A: Mixing different substitute parts is not recommended unless each part is independently verified for the specific circuit application. Different input bias currents, offset voltages, and slew rates can introduce performance variations across channels. Maintain consistency by using identical part numbers throughout a design unless application requirements explicitly justify different topologies.

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