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TS419IST Equivalent & Substitute Parts
Part Overview
The TS419IST is a Class AB mono amplifier IC manufactured by STMicroelectronics, housed in an 8-MiniSO surface mount package. This linear amplifier delivers 367mW output power at 16Ohm load impedance and operates across a 2V to 5.5V supply voltage range. The device is actively produced and fully compliant with RoHS3 and REACH regulations. Substitute parts are identified when equivalent electrical performance, package compatibility, and operational specifications align with the original design requirements.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Amplifier Type | Class AB |
| Output Configuration | 1-Channel (Mono) |
| Max Output Power @ 16Ohm | 367mW |
| Supply Voltage Range | 2V ~ 5.5V |
| Operating Temperature | -40°C ~ 85°C |
| Mounting Type | Surface Mount |
| Package Type | 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) |
| RoHS Status | ROHS3 Compliant |
| MSL Rating | 1 (Unlimited) |
Substitute Part Grouping Explanation
Substitute parts for the TS419IST are qualified based on the following criteria:
Electrical Compatibility: Substitute parts must operate as Class AB mono amplifiers with supply voltage range of 2V to 5.5V and operating temperature range of -40°C to 85°C.
Output Power: Substitute parts must deliver output power within the performance envelope of the original device at 16Ohm load impedance.
Package Compatibility: Substitute parts must use surface mount packages with identical or compatible pinout and physical dimensions (8-TSSOP, 8-MSOP, 0.118" width, 3.00mm).
Regulatory Compliance: All substitute parts must maintain RoHS3 compliance and REACH unaffected status.
Product Status: Only active production devices are listed as substitutes.
Parameter Comparison
| Parameter | TS419IST (STMicroelectronics) | LM4819MM/NOPB (Texas Instruments) | LM4819MMX/NOPB (Texas Instruments) |
|---|---|---|---|
| Manufacturer | STMicroelectronics | Texas Instruments | Texas Instruments |
| Amplifier Type | Class AB | Class AB | Class AB |
| Output Configuration | 1-Channel (Mono) | 1-Channel (Mono) | 1-Channel (Mono) |
| Max Output Power @ 16Ohm | 367mW | 350mW | 350mW |
| Supply Voltage Range | 2V ~ 5.5V | 2V ~ 5.5V | 2V ~ 5.5V |
| Operating Temperature | -40°C ~ 85°C | -40°C ~ 85°C | -40°C ~ 85°C |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount |
| Package Type | 8-TSSOP, 8-MSOP | 8-TSSOP, 8-MSOP | 8-TSSOP, 8-MSOP |
| Package Width | 0.118" (3.00mm) | 0.118" (3.00mm) | 0.118" (3.00mm) |
| RoHS Status | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant |
| MSL Rating | 1 (Unlimited) | 1 (Unlimited) | 1 (Unlimited) |
| REACH Status | REACH Unaffected | REACH Unaffected | REACH Unaffected |
| Product Status | Active | Active | Active |
| Packaging Format | Tape & Reel (TR) | Cut Tape (CT) & Digi-Reel® | Tape & Reel (TR) |
Engineering Selection Recommendations
The LM4819MM/NOPB and LM4819MMX/NOPB from Texas Instruments are functionally equivalent substitutes for the TS419IST. Both devices meet the electrical and mechanical requirements for direct substitution:
All three parts operate within identical supply voltage and temperature ranges, use compatible surface mount packages with matching physical dimensions, and maintain equivalent regulatory compliance certifications. The LM4819 series devices deliver 350mW output power, which falls within acceptable performance parameters for applications designed around the TS419IST's 367mW specification.
The LM4819MMX/NOPB is packaged in Tape & Reel format, matching the original TS419IST packaging method. The LM4819MM/NOPB is supplied in Cut Tape and Digi-Reel format, offering alternative procurement options.
Both substitute parts are in active production with confirmed inventory availability and full RoHS3 and REACH compliance status.
Frequently Asked Questions (FAQ)
Q: Can the LM4819MM/NOPB replace the TS419IST in existing designs?
A: Yes. Both devices are Class AB mono amplifiers with identical supply voltage ranges (2V to 5.5V), operating temperature ranges (-40°C to 85°C), and compatible 8-TSSOP/8-MSOP surface mount packages. The 350mW output power of the LM4819MM/NOPB is within the performance envelope of the TS419IST's 367mW specification.
Q: What is the difference between LM4819MM/NOPB and LM4819MMX/NOPB?
A: Both parts are electrically identical Class AB mono amplifiers with the same electrical specifications. The primary difference is packaging format: LM4819MM/NOPB is supplied in Cut Tape and Digi-Reel format, while LM4819MMX/NOPB is supplied in Tape & Reel format.
Q: Are all three parts RoHS3 compliant?
A: Yes. The TS419IST, LM4819MM/NOPB, and LM4819MMX/NOPB are all ROHS3 compliant with MSL rating of 1 (Unlimited) and REACH unaffected status.
Q: Do the substitute parts have the same pinout as the TS419IST?
A: All three parts use 8-pin surface mount packages with 0.118" (3.00mm) width, maintaining compatible physical dimensions and package classifications (8-TSSOP, 8-MSOP).
Q: What features distinguish the substitute parts from the original?
A: The LM4819 series includes Depop, Differential Inputs, and Shutdown features. The TS419IST includes Differential Inputs, Short-Circuit Protection, and Standby features. Both device families provide differential input capability and protection mechanisms suitable for audio amplification applications.
Q: Are all three parts actively manufactured?
A: Yes. The TS419IST, LM4819MM/NOPB, and LM4819MMX/NOPB all maintain active production status with confirmed inventory availability.
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