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SA58671
Datasheet
General description
The SA58671 is a stereo, filter-free class-D audio amplifier which is available in a 16 bump WLCSP (Wafer Level Chip-Size Package).
The SA58671 features independent shutdown controls for each channel. The gain can be set at 6 dB, 12 dB, 18 dB or 24 dB using G0 and G1 gain select pins. Improved immunity to noise and RF rectification is increased by high PSRR and differential circuit topology. Fast start-up time and very small WLCSP package makes it an ideal choice for both cellular handsets and PDAs.
The SA58671 delivers 1.3 W/channel at 5 V and 720 mW/channel at 3.6 V into 8 Ohm. It delivers 1.2 W/channel at 5 V into 4 Ohm. The maximum power efficiency is excellent at 70 pct to 74 pct into 4 Ohm and 84 pct to 88 pct into 8 Ohm. The SA58671 provides thermal and short-circuit shutdown protection.
Features
- Output power:
- 1.2 W/channel into 4 Ohm at 5 V
- 1.3 W/channel into 8 Ohm at 5 V
- 720 mW/channel into 8 Ohm at 3.6 V
- Supply voltage: 2.5 V to 5.5 V
- Independent shutdown control for each channel
- Selectable gain: 6 dB, 12 dB, 18 dB and 24 dB
- High SVRR: -77 dB at 217 Hz
- Fast start-up time: 3.5 ms
- Low supply current
- Low shutdown current
- Short-circuit and thermal protection
- Space savings with 2.06 mm x 2.11 mm 16 bump WLCSP package
- Low junction to ambient thermal resistance of 110 K/W with adequate heat sinking of WLCSP
Products/packages
| Type number | North American Type number | Ordering code (12NC) | Product status | Package | Packing | Marking | Chemical content | Leadfree conversion date |
|---|---|---|---|---|---|---|---|---|
| SA58671UK | SA58671UK-G | 9352 809 38027 | Volume production | Uncased die | Circuit Element Packed On Reel 7" | No Marking | SA58671UK
|
Pricing/ordering/availability
| Type number | Ordering code(12NC) | Indicative price/unit($) | Region | Distributor | In stock | Inventory date | Buy online | Samples |
|---|---|---|---|---|---|---|---|---|
| SA58671UK | 9352 809 38027 | NA | ARROW ELECTRONICS | 3,000 | 12/3/2008 | Buy online | Order samples |
Applications
- Wireless and cellular handsets and PDA
- Portable DVD player
- USB speaker
- Notebook PC
- Portable radio and gaming
- Educational toy
Related applications
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DVB-T iDTV reference solution (TV505D)
Mid-range integrated DTV (TV810)
Mainstream integrated LCD DTV reference designs TV520
LCD TV - MMS functionality
Highest-quality digital TV system TV520/8x
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