| Part Number | LM4550VHX | LM4540VHX |
|---|---|---|
| Manufacturer | National Semiconductor | Texas Instruments |
| Category | Interface - CODECs | Interface - CODECs |
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| Product Status | Active | Discontinued at Digi-Key |
| Type | - | Audio, AC '97 |
| Data Interface | - | Serial |
| Resolution (Bits) | - | 18 b |
| Number of ADCs / DACs | - | 2 / 2 |
| Sigma Delta | - | Yes |
| S/N Ratio, ADCs / DACs (db) Typ | - | - |
| Dynamic Range, ADCs / DACs (db) Typ | - | 90 / 89 |
| Voltage - Supply, Analog | - | 4.2V ~ 5.5V |
| Voltage - Supply, Digital | - | 3V ~ 5.5V |
| Operating Temperature | - | -40°C ~ 85°C |
| Mounting Type | - | Surface Mount |
| Package / Case | - | 48-LQFP |
| Supplier Device Package | - | 48-LQFP (7x7) |