Allicdata Part #: | MC145484DT-ND |
Manufacturer Part#: |
MC145484DT |
Price: | $ 0.00 |
Product Category: | Integrated Circuits (ICs) |
Manufacturer: | NXP USA Inc |
Short Description: | IC PCM CODEC-FILTER 5V 20-TSSOP |
More Detail: | PCM, Filter Interface 13 b PCM Audio Interface 20-... |
DataSheet: | MC145484DT Datasheet/PDF |
Quantity: | 1000 |
1 +: | 0.00000 |
S/N Ratio, ADCs / DACs (db) Typ: | -- |
Base Part Number: | MC145484 |
Supplier Device Package: | 20-TSSOP |
Package / Case: | 20-TSSOP (0.173", 4.40mm Width) |
Mounting Type: | Surface Mount |
Operating Temperature: | -40°C ~ 85°C |
Voltage - Supply, Digital: | 4.5 V ~ 5.5 V |
Voltage - Supply, Analog: | -- |
Dynamic Range, ADCs / DACs (db) Typ: | -- |
Series: | -- |
Sigma Delta: | No |
Number of ADCs / DACs: | 1 / 1 |
Resolution (Bits): | 13 b |
Data Interface: | PCM Audio Interface |
Type: | PCM, Filter |
Part Status: | Obsolete |
Packaging: | Tube |
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- Interface
- CODECs
- MC145484DT Application Field and Working Principle
- CODECs
The MC145484DT is a dual 5-/4-bit data transceiver/encoder/decoder for audio line signals. Compact in size and simple in design, the device is composed of two 4-bit parallel inputs, two 4-bit parallel outputs, two 4-bit dual differential line drivers, two 5-bit analog-to-digital converters, and a 4-bit latch. The digital input and output ports can be configured to operate in the 5-bit or 4-bit mode. By employing the MC145484DT, designers can easily implement audio line signal coding and transmission, providing improved signal-to-noise ratio (SNR).
The MC145484DT has three application fields. First, it can be used in audio line signal coding applications. It can accept a 4-bit information stream from the codec and convert it into a 5-bit signal at the line driver output. This improved signal-to-noise ratio is much higher than what can be achieved with analog signals, allowing for better sound and better signal transmission quality. Secondly, the device can also be used for signal transmission. It has two 5-bit analog-to-digital converters and a 4-bit latch. This enables it to encode a signal from the line driver and then transmit it to different locations, with minimal signal loss and signal distortion. Finally, the device can be used for signal decoding. Once the signal is received, the device can then decode the signal, providing a 4-bit signal to the codec. This helps to reduce the additional noise caused by signal transmission and to maintain signal quality.
The device features a two-wire bus electrical interface, allowing for easy setup by a PC or other processor-controlled device. It requires only six external components for its typical operation, making it an ideal choice for low-cost audio applications. Its flexible design also allows for various configurations, such as adding an additional 5-bit digital-to-analog converter to handle analog input, or using the device as a 4-bit encoder/decoder by connecting the two 4-bit outputs together. Furthermore, it is also compatible with most codecs and processors, making it widely adopted.
The MC145484DT features two 5-bit analog-to-digital converters and a 4-bit latch. They work together to provide improved SNR. The analog inputs are first converted to 5-bit data streams and then encoded by the 4-bit latch. The encoded data streams is then transmitted via the two-wire bus. At the receiver side, the encoded data is decoded by the 4-bit latch and then converted to 4-bit data with the 5-bit analog-to-digital converters. This allows for improved signal transmission quality with minimal signal distortion and loss.
In conclusion, the MC145484DT is a versatile, compact, and low-cost solution for audio line signal coding and transmission. Its flexible design, enhanced SNR, and compatibility with most codecs and processors make it an ideal choice for many audio line signal applications. It requires only six external components for its typical operation, making it highly reliable for various low-cost audio applications. All in all, the MC145484DT is a great tool for improving audio performance and reducing signal distortion.
The specific data is subject to PDF, and the above content is for reference
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