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| PartNumber | LM4550BVHX/NOPB | LM4550BVHX | LM4550BVHX/NOPBL |
| Description | Interface - CODECs AC 97 Rev 2.1 Codec with Sample Rate Co | Interface - CODECs AC '97 Rev 2.1 Codec with Sample Rate Conversion and National 3D Sound 48-LQFP -40 to 85 | |
| Manufacturer | Texas Instruments | Texas Instruments | - |
| Product Category | Interface - CODECs | Interface - CODECs | - |
| RoHS | Y | N | - |
| Type | Audio CODEC, AC97 | Audio CODEC, AC97 | - |
| Resolution | 18 bit | 18 bit | - |
| Conversion Rate | 48 kHz | 48 kHz | - |
| Interface Type | Serial, I2C, I2S, SPI | Serial, I2C, I2S, SPI | - |
| Number of ADCs | 2 ADC | 2 ADC | - |
| Number of DACs | 2 DAC | 2 DAC | - |
| Operating Supply Voltage | 3 V, 5 V | 3 V, 5 V | - |
| Minimum Operating Temperature | - 40 C | - 40 C | - |
| Maximum Operating Temperature | + 85 C | + 85 C | - |
| Mounting Style | SMD/SMT | SMD/SMT | - |
| Package / Case | LQFP-48 | LQFP-48 | - |
| Packaging | Reel | Reel | - |
| Product | Audio CODECs | Audio CODECs | - |
| Series | LM4550B | LM4550B | - |
| Brand | Texas Instruments | Texas Instruments | - |
| Moisture Sensitive | Yes | - | - |
| Product Type | CODECs | CODECs | - |
| SNR Signal to Noise Ratio | 89 dB | 90 dB ADC/89 dB DAC | - |
| Factory Pack Quantity | 1000 | 1000 | - |
| Subcategory | Interface ICs | Interface ICs | - |
| Supply Voltage Max | 5.5 V | 5.5 V | - |
| Supply Voltage Min | 3 V | 3 V | - |
| Unit Weight | 0.006409 oz | 0.006409 oz | - |