BA8522RFVM-TR Equivalent & Substitute Parts Reference

Part Overview

BA8522RFVM-TR by Rohm Semiconductor is a surface-mount audio amplifier IC featuring 2 amplifier circuits in an 8-MSOP package. Its functional description is "Audio Amplifier 2 Circuit 8-MSOP." The product status is "Not For New Designs," indicating it is not recommended for use in newly developed systems. Engineers seeking ongoing design support or long-term supply are required to evaluate compatible substitute models with similar electrical and mechanical properties.

Key Parameters

Parameter	Value
Manufacturer Part Number	BA8522RFVM-TR
Category	Linear, Amplifiers
Amplifier Type	Audio
Number of Circuits	2
Slew Rate	3V/µs
Gain Bandwidth Product	6 MHz
Current - Input Bias	50 nA
Voltage - Input Offset	100 µV
Current - Supply	5.5 mA
Current - Output / Channel	50 mA
Voltage - Supply Span (Min)	4 V
Voltage - Supply Span (Max)	32 V
Operating Temperature	-40°C ~ 105°C
Mounting Type	Surface Mount
Package / Case	8-VSSOP, 8-MSOP (0.110", 2.80mm Width)
Supplier Device Package	8-MSOP
RoHS Status	ROHS3 Compliant
REACH Status	REACH Unaffected

Substitute Part Grouping Explanation

Substitute parts for BA8522RFVM-TR are grouped exclusively according to the explicit electrical and mechanical parameters provided. The key parameters evaluated for substitution include: amplifier type, number of circuits, slew rate, gain bandwidth product, input bias current, input offset voltage, supply current, output current per channel, minimum and maximum supply voltage, operating temperature range, mounting type, and package/case compatibility. Substitution is validated only when these criteria are matched with no technical assumptions beyond the input scope.

Parameter Comparison

Parameter	BA8522RFVM-TR	LM258AST	LM2904ST	LM2904YST	LM358ST	OPA2137E/250	OPA2137E/2K5	OPA2137EA/250	OPA2137EA/2K5
Category	Linear, Amplifiers	Linear, Amplifiers	Linear, Amplifiers	Linear, Amplifiers	Linear, Amplifiers	Linear, Amplifiers	Linear, Amplifiers	Linear, Amplifiers	Linear, Amplifiers
Amplifier Type	Audio	General Purpose	General Purpose	General Purpose	General Purpose	J-FET	J-FET	J-FET	J-FET
Number of Circuits	2	2	2	2	2	2	2	2	2
Slew Rate	3V/µs	0.6V/µs	0.3V/µs	0.6V/µs	0.3V/µs	3.5V/µs	3.5V/µs	3.5V/µs	3.5V/µs
Gain Bandwidth Product	6 MHz	1.1 MHz	700 kHz	700 kHz	800 kHz	1 MHz	1 MHz	1 MHz	1 MHz
Current - Input Bias	50 nA	20 nA	20 nA	20 nA	20 nA	5 pA	5 pA	5 pA	5 pA
Voltage - Input Offset	100 µV	1 mV	1 mV	2 mV	1 mV	1.5 mV	1.5 mV	1.5 mV	1.5 mV
Current - Supply	5.5 mA	700 µA (x2 Channels)	600 µA	700 µA	600 µA	220 µA	220 µA	220 µA	220 µA
Current - Output / Channel	50 mA	40 mA	30 mA	30 mA	40 mA	60 mA	60 mA	60 mA	60 mA
Voltage - Supply Span (Min)	4 V	3 V	3 V	3 V	3 V	4.5 V	4.5 V	4.5 V	4.5 V
Voltage - Supply Span (Max)	32 V	30 V	32 V	30 V	32 V	36 V	36 V	36 V	36 V
Operating Temperature	-40°C ~ 105°C	-40°C ~ 105°C	-40°C ~ 125°C	-40°C ~ 125°C	-40°C ~ 85°C	-40°C ~ 85°C	-40°C ~ 85°C	-40°C ~ 85°C	-40°C ~ 85°C
Mounting Type	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount
Package / Case	8-VSSOP, 8-MSOP (0.110", 2.80mm Width)	8-TSSOP, 8-MSOP (0.118", 3.00mm Width)	8-TSSOP, 8-MSOP (0.118", 3.00mm Width)	8-TSSOP, 8-MSOP (0.118", 3.00mm Width)	8-TSSOP (0.173", 4.40mm Width)	8-TSSOP, 8-MSOP (0.118", 3.00mm Width)	8-TSSOP, 8-MSOP (0.118", 3.00mm Width)	8-TSSOP, 8-MSOP (0.118", 3.00mm Width)	8-TSSOP, 8-MSOP (0.118", 3.00mm Width)
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
REACH Status	REACH Unaffected	REACH Unaffected	REACH Unaffected	REACH Unaffected	REACH Unaffected	REACH Unaffected	REACH Unaffected	REACH Unaffected	REACH Unaffected

Engineering Selection Recommendations

BA8522RFVM-TR carries a product status of "Not For New Designs." For compliance, all listed substitutes are ROHS3 compliant and REACH unaffected. Substitute selection must be strictly according to equivalence in electrical characteristics, supply voltage, temperature range, mounting type, and compliance documentation as presented. Packaging dimensions for 8-MSOP and 8-TSSOP are included in all substitute models; refer directly to provided package width values for form-fit evaluation.

Frequently Asked Questions (FAQ)

Q1: What are the key parameters when selecting an equivalent for BA8522RFVM-TR?
A1: Selection is determined by amplifier type, number of circuits, slew rate, gain bandwidth, input bias current, input offset voltage, supply current, output current, supply voltage range, operating temperature, mounting type, package/case, and compliance status.

Q2: Are package/case differences critical for substitution?
A2: Yes. Mechanical compatibility including package/case specification (8-MSOP, 8-TSSOP dimensions) must be verified using input dimensions provided for each substitute.

Q3: Can general purpose or J-FET amplifiers substitute for an audio amplifier?
A3: Substitution is based on alignment of core electrical and mechanical parameters contained in the input. Technical function differs by amplifier type as described in the parameters.

Q4: Is RoHS/REACH compliance maintained across substitutes?
A4: All listed substitutes are identified as ROHS3 compliant and REACH unaffected.

Q5: Do all substitutes support the same operating temperature range as BA8522RFVM-TR?
A5: Provided operating temperature ranges are included in the comparison table. Engineering selection must reference the exact operating range specified for each model.

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