LM48557TLX/NOPB Texas Instruments Integrated Circuit (BGA) In Stock
LM48557TLX/NOPB is a single-channel mono Class-AB audio power amplifier with integrated volume control, housed in a compact 16-pin uSMD BGA package for space-constrained portable audio applications.
- Manufacturer
- Texas Instruments
- Package
- BGA
- Pin Count
- 16
- Lifecycle
- ACTIVE
- Datasheet
- LM48557TLX/NOPB Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $1.4900(MOQ 500)
- Temp Range
- -40.0°C to 85.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- Single-channel Class-AB audio amplifier with built-in volume control circuit, reducing external component count in portable speaker designs
- Ultra-compact 16-pin BGA package (4×4 mm footprint) enables integration in slim smartphones, tablets, and wearable audio devices
- Mono output with 1 amplifier channel simplifies PCB routing and minimizes board area for single-speaker consumer electronics
Applications
LM48557TLX/NOPB targets portable consumer audio products such as smartphones, tablets, and Bluetooth speakers where board space is at a premium. Its integrated volume control and compact BGA form factor reduce system cost and simplify audio signal-chain design in single-speaker applications running from a 3.3 V or 5 V supply.
Specifications
| Pbfree Code | Yes |
| YTEOL | 15 |
| Consumer IC Type | VOLUME CONTROL CIRCUIT |
| JESD-30 Code | S-PBGA-B16 |
| JESD-609 Code | e1 |
| Number of Channels | 1 |
| Number of Functions | 1 |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | BGA16,4X4,20 |
| Package Shape | SQUARE |
| Package Style | GRID ARRAY, VERY THIN PROFILE, FINE PITCH |
| Peak Reflow Temperature (Cel) | 260 |
| Qualification Status | Not Qualified |
| Supply Current-Max | 8mA |
| Supply Voltage-Max (Vsup) | 4.5V |
| Supply Voltage-Min (Vsup) | 2.7V |
| Surface Mount | YES |
| Temperature Grade | INDUSTRIAL |
| Terminal Finish | Tin/Silver/Copper (Sn/Ag/Cu) |
| Terminal Form | BALL |
| Terminal Pitch | 0.5mm |
| Terminal Position | BOTTOM |
| Time@Peak Reflow Temperature-Max (s) | 30 |
| Package | BGA |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 1 |
| ECCN | EAR99 |
| HTS Code | 8542.33.00.01 |
Alternate & Equivalent Parts
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What amplifier topology does LM48557TLX/NOPB use and how does it affect audio efficiency?
LM48557TLX/NOPB uses a Class-AB amplifier topology, which provides low distortion suitable for voice and music reproduction. Class-AB typically achieves 50–70% efficiency at full output, making it adequate for portable 3.3 V or 5 V powered speaker applications where moderate battery life is acceptable.
How does the 16-pin BGA package of LM48557TLX/NOPB benefit compact PCB designs?
The 16-pin BGA measures 4×4 mm with a 20-mil ball pitch, occupying roughly 16 mm² of board area — significantly smaller than equivalent SOIC or TSSOP packages. This enables audio subsystem integration in ultra-thin tablet and smartphone PCBs where vertical clearance is under 1 mm.
Can LM48557TLX/NOPB drive an 8-ohm speaker directly, and what output power is achievable?
LM48557TLX/NOPB is designed to drive an 8-ohm speaker load directly from a single supply. At a 5 V supply, the Class-AB output stage can deliver approximately 500 mW into 8 ohms, which is sufficient for alarm, notification, and background-music levels in handheld consumer devices.
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Texas Instruments (TI) is a global semiconductor company headquartered in Dallas, Texas. TI designs and manufactures analog and embedded processing chips used in industrial, automotive, consumer, communications, and enterprise systems.
| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 500+ | $1.6700 | $835.00 |
| 1000+ | $1.5800 | $1580.00 |
| 10000+ | $1.4900 | $14900.00 |
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