TLE2141MDRG4 Equivalent & Substitute Parts

Part Overview

The TLE2141MDRG4 is a general-purpose operational amplifier manufactured by Texas Instruments in the Excalibur™ series. This device is packaged in an 8-SOIC surface-mount configuration and is designed for linear amplification applications requiring moderate bandwidth and slew rate performance. The TLE2141MDRG4 is currently discontinued at DiGi Electronics, making equivalent substitute parts necessary for ongoing design support and production requirements. Substitute parts must maintain compatibility with the 8-SOIC package footprint and satisfy the electrical performance envelope defined by the main device specifications.

Key Parameters

Parameter	Value	Unit
Amplifier Type	General Purpose	—
Number of Circuits	1	—
Slew Rate	45	V/µs
Gain Bandwidth Product	5.9	MHz
Current - Input Bias	700	nA
Voltage - Input Offset	200	µV
Current - Supply	3.5	mA
Current - Output / Channel	50	mA
Voltage - Supply Span (Min)	4	V
Voltage - Supply Span (Max)	44	V
Operating Temperature Range	-55 to 125	°C
Package / Case	8-SOIC (0.154", 3.90mm Width)	—
Mounting Type	Surface Mount	—
RoHS Status	ROHS3 Compliant	—
Moisture Sensitivity Level (MSL)	1 (Unlimited)	—

Substitute Part Grouping Explanation

Substitution of the TLE2141MDRG4 is determined by electrical and mechanical compatibility within the 8-SOIC package family. The primary substitution criterion is the ability to operate within the specified supply voltage range (4 V to 44 V) and maintain functional equivalence in general-purpose amplification circuits.

Key Parameters Governing Substitution:

Package compatibility: 8-SOIC (0.154", 3.90mm Width)
Single-circuit configuration
Surface-mount technology
Supply voltage range accommodation
Input offset voltage specification
Slew rate and bandwidth performance envelope
Operating temperature range coverage

Substitute parts are grouped into two categories based on amplifier topology:

Category 1: Direct General-Purpose Substitutes (Texas Instruments TLE2141 Series) The TLE2141MDR maintains identical electrical specifications and series designation, differing only in packaging format (Tape & Reel versus bulk). This part is the primary direct substitute.

Category 2: J-FET Input Amplifiers (Analog Devices) The AD711KRZ, AD711KRZ-REEL7, AD8510BRZ, AD8510BRZ-REEL7, LT1055S8#PBF, LT1055S8#TRPBF, and LT1056S8#PBF represent alternative topologies with J-FET input stages. These parts operate within compatible supply voltage ranges and 8-SOIC packages but exhibit different input bias current characteristics and operating temperature ranges.

Parameter Comparison

Parameter	TLE2141MDRG4	TLE2141MDR	AD711KRZ	AD711KRZ-REEL7	AD8510BRZ	AD8510BRZ-REEL7	LT1055S8#PBF	LT1055S8#TRPBF	LT1056S8#PBF
Amplifier Type	General Purpose	General Purpose	J-FET	J-FET	J-FET	J-FET	J-FET	J-FET	J-FET
Number of Circuits	1	1	1	1	1	1	1	1	1
Slew Rate (V/µs)	45	45	20	20	20	20	12	12	14
Gain Bandwidth Product (MHz)	5.9	5.9	4	4	8	8	4.5	4.5	5.5
Current - Input Bias (nA/pA)	700 nA	700 nA	15 pA	15 pA	25 pA	25 pA	30 pA	30 pA	30 pA
Voltage - Input Offset (µV)	200	200	200	200	80	80	500	500	500
Current - Supply (mA)	3.5	3.5	2.5	2.5	2.2	2.2	2.8	2.8	5
Current - Output / Channel (mA)	50	50	25	25	70	70	—	—	—
Voltage - Supply Span Min (V)	4	4	9	9	9	9	10	10	10
Voltage - Supply Span Max (V)	44	44	36	36	36	36	36	36	36
Operating Temperature (°C)	-55 to 125	-55 to 125	0 to 70	0 to 70	-40 to 125	-40 to 125	0 to 70	0 to 70	0 to 70
Package / Case	8-SOIC	8-SOIC	8-SOIC	8-SOIC	8-SOIC	8-SOIC	8-SOIC	8-SOIC	8-SOIC
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Product Status	Discontinued	Active	Active	Active	Active	Active	Active	Active	Active

Engineering Selection Recommendations

Primary Substitute: TLE2141MDR

The TLE2141MDR is the recommended direct substitute for the TLE2141MDRG4. This part maintains identical electrical specifications, series designation, and package configuration. The only difference is packaging format: TLE2141MDR is supplied in Tape & Reel format, whereas TLE2141MDRG4 was supplied in bulk. Both parts are ROHS3 compliant, carry MSL 1 rating, and are manufactured by Texas Instruments. The TLE2141MDR is currently in active production status with 4,947 units in stock.

Secondary Substitutes: Analog Devices J-FET Input Amplifiers

When the TLE2141MDR is unavailable, J-FET input alternatives from Analog Devices provide functional substitution with trade-offs in electrical performance:

AD8510BRZ / AD8510BRZ-REEL7: Recommended for applications requiring extended operating temperature range (-40°C to 125°C) and higher output current capability (70 mA). These parts offer superior input offset voltage (80 µV) and higher gain bandwidth product (8 MHz) compared to the main part. Supply voltage range is limited to 9 V minimum.
AD711KRZ / AD711KRZ-REEL7: Suitable for low-power applications with reduced supply current (2.5 mA) and extremely low input bias current (15 pA). Operating temperature range is limited to 0°C to 70°C, and supply voltage minimum is 9 V.
LT1055S8#PBF / LT1055S8#TRPBF: Provide lowest slew rate (12 V/µs) and moderate gain bandwidth product (4.5 MHz). Supply voltage minimum is 10 V. Operating temperature range is 0°C to 70°C.
LT1056S8#PBF: Offers slew rate of 14 V/µs and gain bandwidth product of 5.5 MHz, closest to the main part's bandwidth performance among Analog Devices alternatives. Supply voltage minimum is 10 V. Operating temperature range is 0°C to 70°C.

All substitute parts are ROHS3 compliant and carry MSL 1 rating, ensuring compatibility with standard manufacturing processes.

Frequently Asked Questions (FAQ)

Q: Can TLE2141MDR be used as a direct replacement for TLE2141MDRG4?

A: Yes. The TLE2141MDR is electrically and functionally identical to the TLE2141MDRG4. Both parts share the same electrical specifications, package configuration (8-SOIC), and series designation. The difference is packaging format only: TLE2141MDR is supplied in Tape & Reel format. Both are ROHS3 compliant and carry MSL 1 rating.

Q: What are the key differences between the TLE2141MDRG4 and Analog Devices J-FET alternatives?

A: The primary differences are amplifier topology and input bias current. The TLE2141MDRG4 uses a bipolar input stage with 700 nA input bias current, while Analog Devices alternatives (AD711, AD8510, LT1055, LT1056) use J-FET input stages with input bias currents in the picoampere range. J-FET alternatives also have higher minimum supply voltage requirements (9 V to 10 V versus 4 V for the TLE2141MDRG4) and lower slew rates.

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

A: The AD711KRZ and AD711KRZ-REEL7 offer the lowest supply current at 2.5 mA and extremely low input bias current (15 pA). However, these parts require minimum 9 V supply voltage and are limited to 0°C to 70°C operating temperature range.

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

A: Yes. All substitute parts listed are available in 8-SOIC (0.154", 3.90mm Width) surface-mount package configuration, ensuring mechanical and electrical compatibility with existing PCB layouts designed for the TLE2141MDRG4.

Q: What is the minimum supply voltage for each substitute part?

A: TLE2141MDRG4 and TLE2141MDR operate from 4 V minimum. AD711KRZ, AD711KRZ-REEL7, AD8510BRZ, and AD8510BRZ-REEL7 require 9 V minimum. LT1055S8#PBF, LT1055S8#TRPBF, and LT1056S8#PBF require 10 V minimum. Design circuits must accommodate these minimum voltage requirements.

Q: Which substitute part offers the highest output current capability?

A: The AD8510BRZ and AD8510BRZ-REEL7 provide 70 mA output current per channel, compared to 50 mA for the TLE2141MDRG4. This makes them suitable for applications requiring higher output drive capability.

Q: Are all substitute parts RoHS3 compliant?

A: Yes. All substitute parts listed are ROHS3 compliant and carry MSL 1 (Unlimited) moisture sensitivity level rating, meeting standard environmental and manufacturing compliance requirements.

Q: What is the operating temperature range difference between substitutes?

A: The TLE2141MDRG4 and TLE2141MDR operate from -55°C to 125°C. The AD8510BRZ and AD8510BRZ-REEL7 operate from -40°C to 125°C. The AD711KRZ, AD711KRZ-REEL7, LT1055S8#PBF, LT1055S8#TRPBF, and LT1056S8#PBF are limited to 0°C to 70°C. Applications requiring extended low-temperature operation must use TLE2141MDR or AD8510 variants.

Q: How do slew rates compare across substitute parts?

A: The TLE2141MDRG4 and TLE2141MDR offer 45 V/µs slew rate. The AD8510 variants provide 20 V/µs. The LT1056S8#PBF provides 14 V/µs. The LT1055 variants and AD711 alternatives provide 12 V/µs and 20 V/µs respectively. Higher slew rates support faster signal transitions and wider bandwidth applications.

Request Quote (Ships tomorrow)

Part Number

Quantity

Company

Contact Name

E-mail

Message