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| Part Number | DS21Q48 | DS21Q48C | DS21Q48N | DS21Q348 | 
|---|---|---|---|---|
| Manufacturer | Analog Devices Inc./Maxim Integrated | Analog Devices Inc./Maxim Integrated | Analog Devices Inc./Maxim Integrated | Analog Devices Inc./Maxim Integrated | 
| Product Status | Obsolete | Active | Obsolete | Obsolete | 
| Function | Line Interface Unit (LIU) | - | Line Interface Unit (LIU) | Line Interface Unit (LIU) | 
| Interface | LIU | - | LIU | LIU | 
| Number of Circuits | - | - | - | - | 
| Voltage - Supply | 4.75V ~ 5.25V | - | 4.75V ~ 5.25V | 3.135V ~ 3.465V | 
| Current - Supply | 95mA | - | 95mA | 66mA | 
| Power (Watts) | - | - | - | - | 
| Operating Temperature | 0°C ~ 70°C | - | -40°C ~ 85°C | 0°C ~ 70°C | 
| Mounting Type | Surface Mount | - | Surface Mount | Surface Mount | 
| Package / Case | 144-BBGA | - | 144-BBGA | 144-BBGA | 
| Supplier Device Package | 144-PBGA (17x17) | - | 144-PBGA (17x17) | 144-PBGA (17x17) |