Thông số kỹ thuật
| thuộc tính | Giá trị |
| Package / Case | Tube |
| Part Status | Active |
| Type | Stereo Audio |
| Data Interface | I²C, Serial |
| Resolution(Bits) | 18 b |
| Number of AD Cs / DA Cs | 2 / 2 |
| Sigma Delta | Yes |
| Dynamic Range AD Cs / DA Cs(db)Typ | 85 / 90 |
| Voltage - Supply, Analog | 1.65V ~ 1.95V |
| Voltage - Supply, Digital | 1.65V ~ 1.95V |
| Operating Temperature | -40°C ~ 85°C |
| Mounting Type | Surface Mount |
Tổng quan
Description
The MAX9867ETJ+ is a low-power, high-performance stereo audio codec designed for portable audio applications. It integrates an analog-to-digital converter (ADC) and a digital-to-analog converter (DAC), supporting high-quality audio conversion for both input and output signals. The codec features a 24-bit, 48 kHz audio interface, providing excellent sound clarity and a wide dynamic range.
Key features include a digital volume control, a microphone bias generator, a low-noise microphone amplifier, and an integrated PLL for clock generation. It supports multiple digital audio interfaces, such as I²S, left/right-justified, and TDM modes, ensuring compatibility with various microprocessors and DSPs.
The MAX9867ETJ+ operates with a low power supply voltage, making it ideal for battery-powered devices and portable electronics, such as smartphones, tablets, and media players. Its compact TQFN package and minimal external components reduce system size and cost, making it an attractive solution for embedded audio applications.
Key features include a digital volume control, a microphone bias generator, a low-noise microphone amplifier, and an integrated PLL for clock generation. It supports multiple digital audio interfaces, such as I²S, left/right-justified, and TDM modes, ensuring compatibility with various microprocessors and DSPs.
The MAX9867ETJ+ operates with a low power supply voltage, making it ideal for battery-powered devices and portable electronics, such as smartphones, tablets, and media players. Its compact TQFN package and minimal external components reduce system size and cost, making it an attractive solution for embedded audio applications.
Equivalent
The MAX9867ETJ+ is a low-power stereo audio codec with integrated microphone bias. Equivalent products include:
1. Texas Instruments TLV320AIC3104 - A low-power stereo codec with multiple audio interfaces.
2. Analog Devices ADAU1361 - An ultra-low power stereo audio codec with integrated PLL.
3. Cirrus Logic CS42L42 - A low-power, high-performance stereo codec with integrated headphone amplifier.
These alternatives offer similar functionalities, including audio conversion and interfacing capabilities. Always verify pin compatibility and specific application requirements when selecting a substitute.
1. Texas Instruments TLV320AIC3104 - A low-power stereo codec with multiple audio interfaces.
2. Analog Devices ADAU1361 - An ultra-low power stereo audio codec with integrated PLL.
3. Cirrus Logic CS42L42 - A low-power, high-performance stereo codec with integrated headphone amplifier.
These alternatives offer similar functionalities, including audio conversion and interfacing capabilities. Always verify pin compatibility and specific application requirements when selecting a substitute.
Features
The MAX9867ETJ+ is a low-power stereo audio codec designed for portable applications. It integrates a range of features to enhance audio performance and efficiency. Key features include:
1. Low Power Consumption: Ideal for battery-operated devices, it offers efficient power management.
2. Stereo Audio Support: Provides high-quality stereo audio input and output.
3. ADC and DAC: Includes 24-bit analog-to-digital converters (ADC) and digital-to-analog converters (DAC) for precise audio signal conversion.
4. Integrated Headphone Amplifier: Delivers direct headphone driving capability, reducing the need for external components.
5. Microphone Bias: Supplies bias for microphones, facilitating direct microphone connection.
6. Digital Volume Control: Allows precise control over audio levels.
7. I²S and PCM Interfaces: Supports popular digital audio interfaces for seamless connectivity with digital audio sources and sinks.
8. Flexible Clocking: Offers various clocking options to suit different system requirements.
9. Small Package Size: Available in a 32-pin TQFN package, saving space in compact designs.
These features make the MAX9867ETJ+ suitable for use in mobile phones, portable media players, and other compact audio devices.
1. Low Power Consumption: Ideal for battery-operated devices, it offers efficient power management.
2. Stereo Audio Support: Provides high-quality stereo audio input and output.
3. ADC and DAC: Includes 24-bit analog-to-digital converters (ADC) and digital-to-analog converters (DAC) for precise audio signal conversion.
4. Integrated Headphone Amplifier: Delivers direct headphone driving capability, reducing the need for external components.
5. Microphone Bias: Supplies bias for microphones, facilitating direct microphone connection.
6. Digital Volume Control: Allows precise control over audio levels.
7. I²S and PCM Interfaces: Supports popular digital audio interfaces for seamless connectivity with digital audio sources and sinks.
8. Flexible Clocking: Offers various clocking options to suit different system requirements.
9. Small Package Size: Available in a 32-pin TQFN package, saving space in compact designs.
These features make the MAX9867ETJ+ suitable for use in mobile phones, portable media players, and other compact audio devices.
Pinout
The MAX9867ETJ+ is an audio codec with a 32-pin TQFN (Thin Quad Flat No-lead) package. It is designed for portable audio applications. The codec integrates a stereo audio DAC, a mono ADC, microphone amplifier, and digital signal processing functions. Key features include support for I²S and PCM digital audio interfaces, low power consumption, and a high-performance headphone amplifier. The integrated microphone bias and automatic level control (ALC) enhance its functionality for audio capture. It is suitable for applications like mobile phones, tablets, and other portable multimedia devices. For precise pin assignments and functions, referring to the manufacturer's datasheet is recommended.
Manufacturer
The MAX9867ETJ+ is manufactured by Maxim Integrated, which is now part of Analog Devices, Inc. Maxim Integrated was known for designing, manufacturing, and selling analog and mixed-signal integrated circuits. Their products are used in a wide range of applications, such as consumer electronics, automotive, communications, and industrial sectors. After the acquisition by Analog Devices in 2021, the combined entity expanded its portfolio, enhancing its position as a leading semiconductor company providing innovative solutions across various industries. Analog Devices, Inc. is known for its expertise in high-performance analog, mixed-signal, and digital signal processing technologies, serving diverse markets with a broad product range that includes data converters, amplifiers, RF products, and more.
Application
The MAX9867ETJ+ is a low-power, stereo audio codec designed for portable applications. Its primary application areas include smartphones, tablets, portable media players, and other handheld devices that require efficient audio processing. It features integrated microphone amplifiers, headphone amplifiers, and a digital audio interface, making it suitable for devices needing high-quality audio capture and playback. Its low power consumption and small footprint make it ideal for battery-powered applications where space and energy efficiency are critical. Additionally, it can be used in wearable technology and smart home devices that require audio streaming or voice command functionality.
Package
The MAX9867ETJ+ is a codec integrated circuit that comes in a 32-pin TQFN (Thin Quad Flat No-lead) package. This type of package is compact and suited for surface-mount technology in electronic applications.
