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See Product Specifications
| Part Number: | LTC4557EUD#PBF | 
| Category: | RF/IF and RFID | 
| Subcategory: | RF Misc ICs and Modules | 
| Manufacturer: | Analog Devices Inc. | 
| Packaging: | Tube | 
| Product Status: | Active | 
| Function: | Power Management, Signal Level Translation | 
| Frequency: | - | 
| RF Type: | Cellular, 3G, GSM | 
| Secondary Attributes: | SIM and Smart Card Interface | 
| Mounting Type: | Surface Mount | 
| Package / Case: | 16-WFQFN Exposed Pad | 
| Supplier Device Package: | 16-QFN (3x3) |