Thông số kỹ thuật
| thuộc tính | Giá trị |
| Package | Tape & Reel (TR),Cut Tape (CT) |
| Series | DirectPath™ |
| ProductStatus | Active |
| Type | DAC, Audio |
| NumberofChannels | 2 |
| Resolution(Bits) | 16 b, 24 b, 32 b |
| SamplingRate(PerSecond) | 384k |
| DataInterface | PCM |
| VoltageSupplySource | Analog and Digital |
| Voltage-Supply | 1.65V ~ 3.46V |
| OperatingTemperature | -25°C ~ 85°C |
| MountingType | Surface Mount |
| Package/Case | 28-TSSOP (0.173, 4.40mm Width) |
Tổng quan
Description
The PCM5121PWR is a high-performance, single-chip audio digital-to-analog converter (DAC) produced by Texas Instruments. This DAC is part of the PCM51xx series and is designed for superior audio performance in consumer electronic applications. It features a 32-bit, 384kHz audio capability, ensuring high-quality sound reproduction.
The PCM5121PWR includes several integrated features such as a hardware and software control interface, programmable digital filters, and a built-in phase-locked loop (PLL) for flexible clock operation. It supports both hardware and software control modes, offering flexibility in system design. The device provides differential or single-ended analog outputs, thereby accommodating various audio output configurations.
Its small PowerPAD™ TSSOP package allows for efficient thermal performance and easy integration into compact designs. The PCM5121PWR is particularly suited for applications like AV receivers, Blu-ray players, and other audio processing devices where high-quality audio output is crucial. With its low power consumption and advanced audio features, it meets the demands of modern audio applications.
The PCM5121PWR includes several integrated features such as a hardware and software control interface, programmable digital filters, and a built-in phase-locked loop (PLL) for flexible clock operation. It supports both hardware and software control modes, offering flexibility in system design. The device provides differential or single-ended analog outputs, thereby accommodating various audio output configurations.
Its small PowerPAD™ TSSOP package allows for efficient thermal performance and easy integration into compact designs. The PCM5121PWR is particularly suited for applications like AV receivers, Blu-ray players, and other audio processing devices where high-quality audio output is crucial. With its low power consumption and advanced audio features, it meets the demands of modern audio applications.
Equivalent
The PCM5121PWR is a high-performance DAC from Texas Instruments. Equivalent products include:
1. PCM5102A from Texas Instruments: Similar DAC with slightly different features.
2. AK4452VN from AKM: Another high-quality DAC with comparable specifications.
3. ES9023 from ESS Technology: Offers similar audio performance.
4. WM8524 from Cirrus Logic: A pin-compatible and functional alternative.
Make sure to compare specific features to ensure full compatibility with your application.
1. PCM5102A from Texas Instruments: Similar DAC with slightly different features.
2. AK4452VN from AKM: Another high-quality DAC with comparable specifications.
3. ES9023 from ESS Technology: Offers similar audio performance.
4. WM8524 from Cirrus Logic: A pin-compatible and functional alternative.
Make sure to compare specific features to ensure full compatibility with your application.
Features
The PCM5121PWR is a high-performance audio digital-to-analog converter (DAC) designed by Texas Instruments. Key features include:
1. Resolution and Sampling: Supports 32-bit resolution and sample rates up to 384 kHz, making it suitable for high-definition audio applications.
2. Advanced Segment DAC Architecture: Provides improved audio performance by reducing distortion and noise levels.
3. Integrated DSP: Comes with a built-in miniDSP that allows for custom audio processing, including equalization and audio effects, enhancing flexibility and functionality.
4. Low Power Consumption: Offers efficient power usage, ensuring minimal energy consumption for portable and embedded applications.
5. Differential Output: Provides balanced audio outputs for improved audio signal integrity and reduced interference.
6. Programmable Filter: Includes programmable filter characteristics for customization to specific audio needs.
7. I²S and TDM Interface: Supports standard audio interfaces, making integration with a variety of digital audio sources straightforward.
8. Pop-Free Operation: Features a pop-free soft mute and volume control for smooth audio transitions.
Overall, the PCM5121PWR is designed to deliver high-quality audio output with flexibility and efficiency, suitable for consumer and professional audio applications.
1. Resolution and Sampling: Supports 32-bit resolution and sample rates up to 384 kHz, making it suitable for high-definition audio applications.
2. Advanced Segment DAC Architecture: Provides improved audio performance by reducing distortion and noise levels.
3. Integrated DSP: Comes with a built-in miniDSP that allows for custom audio processing, including equalization and audio effects, enhancing flexibility and functionality.
4. Low Power Consumption: Offers efficient power usage, ensuring minimal energy consumption for portable and embedded applications.
5. Differential Output: Provides balanced audio outputs for improved audio signal integrity and reduced interference.
6. Programmable Filter: Includes programmable filter characteristics for customization to specific audio needs.
7. I²S and TDM Interface: Supports standard audio interfaces, making integration with a variety of digital audio sources straightforward.
8. Pop-Free Operation: Features a pop-free soft mute and volume control for smooth audio transitions.
Overall, the PCM5121PWR is designed to deliver high-quality audio output with flexibility and efficiency, suitable for consumer and professional audio applications.
Pinout
The PCM5121PWR is a digital-to-analog converter (DAC) from Texas Instruments. It is part of the PCM512x series, designed for high-performance audio applications. The PCM5121PWR is housed in a 20-pin TSSOP (Thin Shrink Small Outline Package) with the following pin functions:
1. VDD - Digital supply voltage
2. GND - Ground
3. BCK - Bit clock input for I2S interface
4. DIN - Digital audio data input
5. LRCK - Left/right word clock input for I2S
6. SCK - System clock input
7. FMT - Audio format selection
8. XSMT - Soft mute control
9. FLT - Digital filter selection
10. SCL - Serial clock line for control interface
11. SDA - Serial data line for control interface
12. GND - Ground
13. VDD - Digital supply voltage
14. BYPASS - Bypass the internal regulator
15. FSW - Fast switching control
16. LDOO - LDO output
17. VIN - Analog supply voltage
18. VOUTR - Right channel analog output
19. VOUTL - Left channel analog output
20. GND - Ground
These pins support various functions necessary for high-fidelity audio conversion, including clock inputs, supply voltages, and analog outputs.
1. VDD - Digital supply voltage
2. GND - Ground
3. BCK - Bit clock input for I2S interface
4. DIN - Digital audio data input
5. LRCK - Left/right word clock input for I2S
6. SCK - System clock input
7. FMT - Audio format selection
8. XSMT - Soft mute control
9. FLT - Digital filter selection
10. SCL - Serial clock line for control interface
11. SDA - Serial data line for control interface
12. GND - Ground
13. VDD - Digital supply voltage
14. BYPASS - Bypass the internal regulator
15. FSW - Fast switching control
16. LDOO - LDO output
17. VIN - Analog supply voltage
18. VOUTR - Right channel analog output
19. VOUTL - Left channel analog output
20. GND - Ground
These pins support various functions necessary for high-fidelity audio conversion, including clock inputs, supply voltages, and analog outputs.
Manufacturer
The PCM5121PWR is manufactured by Texas Instruments Incorporated (TI). Texas Instruments is a global semiconductor company that designs and manufactures a wide range of analog and embedded processing products. Founded in 1930 and headquartered in Dallas, Texas, TI is known for its innovation in the semiconductor industry, providing components for various applications including automotive, industrial, personal electronics, communications equipment, and enterprise systems.
Application
The PCM5121PWR is a digital-to-analog converter (DAC) commonly used in audio applications. Its primary application areas include consumer audio devices such as home theater systems, soundbars, and audio interfaces. It is also used in automotive audio systems for its high-performance audio processing capabilities. Additionally, the PCM5121PWR can be found in professional audio equipment like mixers and recording devices, where high-quality sound output is crucial. Its features like integrated DSP, advanced segment DAC architecture, and low power consumption make it suitable for portable audio applications as well, including headphones and wireless speakers.
Package
The PCM5121PWR is a digital-to-analog converter (DAC) from Texas Instruments, housed in a TSSOP-28 package. TSSOP stands for Thin Shrink Small Outline Package, which is a rectangular, surface-mount package known for its thin profile and compact footprint, making it suitable for space-constrained applications.
