LS204ID Equivalent & Substitute Parts

Part Overview

The LS204ID is a general-purpose operational amplifier manufactured by STMicroelectronics, configured as a dual-channel (2 circuit) device in an 8-SOIC surface mount package. This part is classified as obsolete, making equivalent and substitute components necessary for ongoing design support and production continuity. The LS204ID operates across a wide supply voltage range of 6V to 30V with an operating temperature range of -40°C to 105°C, suitable for industrial and extended-temperature applications.

Key Parameters

Parameter	LS204ID Value	Unit
Amplifier Type	General Purpose	—
Number of Circuits	2	—
Slew Rate	1.5	V/µs
Gain Bandwidth Product	3	MHz
Current - Input Bias	50	nA
Voltage - Input Offset	500	µV
Current - Supply	700	µA
Current - Output / Channel	23	mA
Voltage - Supply Span (Min)	6	V
Voltage - Supply Span (Max)	30	V
Operating Temperature	-40 to 105	°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 of the LS204ID is determined by strict alignment of the following electrical and mechanical parameters:

Primary Substitution Criteria:

Dual-channel (2 circuit) general-purpose operational amplifier configuration
8-SOIC surface mount package format
Supply voltage range compatibility (minimum 6V, maximum 30V)
Operating temperature range compatibility (-40°C to 105°C or wider)
Input bias current, input offset voltage, and output current per channel within acceptable operating margins
RoHS3 compliance and MSL rating

Secondary Compatibility Factors:

Slew rate and gain bandwidth product performance characteristics
Supply current consumption
Package width tolerance (0.154" to 0.173" acceptable for 8-SOIC variants)

Substitute parts are grouped into two categories: Direct Package Equivalents (8-SOIC 0.154" width) and Compatible Variants (8-SOP 0.173" width with equivalent electrical performance).

Parameter Comparison

Part Number	Manufacturer	Product Status	Slew Rate (V/µs)	GBW (MHz)	Input Bias (nA)	Input Offset (µV)	Output Current (mA)	Supply Min (V)	Supply Max (V)	Temp Range (°C)	Package
LS204ID	STMicroelectronics	Obsolete	1.5	3	50	500	23	6	30	-40 to 105	8-SOIC (0.154")
AS358MTR-G1	Diodes Incorporated	Active	—	—	20	2000	40	3	36	-40 to 85	8-SOIC (0.154")
BA4558F-E2	Rohm Semiconductor	Active	1.2	2	60	500	10	8	30	-40 to 85	8-SOIC (0.173")
BA4558RF-E2	Rohm Semiconductor	Active	1	2	60	500	10	8	30	-40 to 105	8-SOIC (0.173")
BA4560F-E1	Rohm Semiconductor	Active	4	10	50	500	25	8	30	-40 to 85	8-SOIC (0.173")
BA4560F-E2	Rohm Semiconductor	Active	4	10	50	500	25	8	30	-40 to 85	8-SOIC (0.173")
BA4560RF-E2	Rohm Semiconductor	Active	4	4	50	500	25	8	30	-40 to 105	8-SOIC (0.173")
LM1458M/NOPB	Texas Instruments	Active	0.5	1	200	1000	—	36	36	0 to 70	8-SOIC (0.154")
LM1458MX/NOPB	National Semiconductor	Active	0.5	1	200	1000	—	36	36	0 to 70	8-SOIC (0.154")
MC33172DR2G	onsemi	Active	2.1	1.8	20	2000	27	3	44	-40 to 85	8-SOIC (0.154")
NCV33072ADR2G	onsemi	Active	13	4.5	100	500	30	3	44	—	8-SOIC (0.154")

Engineering Selection Recommendations

Direct Package Equivalents (8-SOIC 0.154" Width):

The AS358MTR-G1 (Diodes Incorporated) and MC33172DR2G (onsemi) are active production alternatives in the identical 8-SOIC 0.154" package footprint. Both devices are RoHS3 compliant with MSL rating of 1 (Unlimited). The AS358MTR-G1 offers extended supply voltage range (3V to 36V) and higher output current capability (40 mA per channel). The MC33172DR2G provides improved input bias current performance (20 nA) and extended supply voltage range (3V to 44V), with slew rate of 2.1 V/µs and gain bandwidth product of 1.8 MHz.

The LM1458M/NOPB and LM1458MX/NOPB (Texas Instruments and National Semiconductor respectively) maintain the 8-SOIC 0.154" package format and are active production parts. However, these devices operate at fixed 36V supply voltage and have restricted operating temperature range (0°C to 70°C), making them unsuitable for applications requiring the LS204ID's extended temperature range (-40°C to 105°C) or variable supply voltage operation.

The NCV33072ADR2G (onsemi) is an automotive-grade device (AEC-Q100 qualified) in the 8-SOIC 0.154" package with superior slew rate (13 V/µs) and gain bandwidth product (4.5 MHz). This part is suitable for high-performance applications requiring extended temperature operation.

Compatible Variants (8-SOP 0.173" Width):

The BA4558F-E2, BA4558RF-E2, BA4560F-E1, BA4560F-E2, and BA4560RF-E2 (Rohm Semiconductor) are active production alternatives in the 8-SOP 0.173" package variant. These devices require PCB layout modification due to package width difference but maintain electrical compatibility within the LS204ID's operational parameters.

The BA4558RF-E2 and BA4560RF-E2 support the full extended temperature range (-40°C to 105°C) matching the LS204ID specification. The BA4560 series variants (BA4560F-E1, BA4560F-E2, BA4560RF-E2) offer enhanced slew rate (4 V/µs) and higher gain bandwidth product (10 MHz for F-E1/F-E2 variants, 4 MHz for RF-E2), providing improved performance for bandwidth-sensitive applications.

All substitute parts listed are RoHS3 compliant and REACH unaffected, meeting regulatory requirements equivalent to the LS204ID.

Frequently Asked Questions (FAQ)

Q: Can the AS358MTR-G1 directly replace the LS204ID without PCB modification?

A: Yes. The AS358MTR-G1 uses the identical 8-SOIC 0.154" package footprint as the LS204ID. No PCB layout changes are required. Both devices are RoHS3 compliant with MSL rating of 1.

Q: What is the primary limitation of the LM1458M/NOPB as a substitute?

A: The LM1458M/NOPB operates at fixed 36V supply voltage and restricted temperature range (0°C to 70°C). It is not suitable for applications requiring variable supply voltage (6V to 30V) or extended temperature operation (-40°C to 105°C) as specified for the LS204ID.

Q: Why do the BA4558 and BA4560 series use a different package width (0.173" vs 0.154")?

A: The BA4558 and BA4560 series are packaged in 8-SOP format with 0.173" width, compared to the LS204ID's 8-SOIC format with 0.154" width. While electrically compatible, these variants require PCB footprint modification and cannot be used as drop-in replacements without layout redesign.

Q: Which substitute part best matches the LS204ID's extended temperature range?

A: The BA4558RF-E2 and BA4560RF-E2 (Rohm Semiconductor) both support -40°C to 105°C operating temperature, matching the LS204ID specification. The BA4560RF-E2 additionally provides enhanced performance with 4 V/µs slew rate and 4 MHz gain bandwidth product.

Q: Is the NCV33072ADR2G suitable for automotive applications?

A: Yes. The NCV33072ADR2G is AEC-Q100 qualified automotive-grade component manufactured by onsemi. It is suitable for automotive and industrial applications requiring extended temperature operation and enhanced performance characteristics.

Q: What are the key electrical differences between the LS204ID and AS358MTR-G1?

A: The AS358MTR-G1 has lower input bias current (20 nA vs 50 nA), higher input offset voltage (2 mV vs 500 µV), higher output current capability (40 mA vs 23 mA per channel), and extended supply voltage range (3V to 36V vs 6V to 30V). Operating temperature range is restricted to -40°C to 85°C.

Q: Can multiple substitute parts be used interchangeably in the same design?

A: No. Each substitute part has distinct electrical characteristics. Design validation is required for each specific part number. Parts with different supply voltage ranges, temperature ratings, or performance parameters require separate qualification.

Q: What is the moisture sensitivity level (MSL) rating for all listed substitute parts?

A: All substitute parts listed maintain MSL rating of 1 (Unlimited), matching the LS204ID specification. This indicates no moisture sensitivity restrictions for storage and handling.

Request Quote (Ships tomorrow)

Part Number

Quantity

Company

Contact Name

E-mail

Message