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AD1843JS
+BOMIC CODEC STEREO 5V 16BIT 80PQFP
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ManufacturerAnalog Devices Inc.
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Mfr. Part #AD1843JS
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In Stock9437
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Specifications
| Attribute | Value |
| Part Status | Obsolete |
| Type | Stereo Audio |
| Data Interface | Serial |
| Resolution (Bits) | 16 b |
| Number of AD Cs / DA Cs | 1 / 2 |
| Sigma Delta | Yes |
| S / N Ratio, AD Cs / DA Cs (db) Typ | 92 / 86 |
| Dynamic Range, AD Cs / DA Cs (db) Typ | 85 / 80 |
| Voltage - Supply, Analog | 4.75V ~ 5.25V |
| Voltage - Supply, Digital | 2.85V ~ 5.25V |
| Operating Temperature | 0°C ~ 70°C |
| Mounting Type | Surface Mount |
| Package / Case | 80-BQFP |
| Supplier Device Package | 80-PQFP (14x14) |
| Base Product Number | AD1843 |
Overview
Description
The AD1843JS is a high-performance, multi-channel audio codec designed by Analog Devices. It features a 16-bit resolution with a sampling rate of up to 48 kHz, making it suitable for various audio applications, including digital audio workstations, consumer electronics, and professional audio gear. The codec integrates multiple input and output channels, including stereo analog inputs and outputs, along with digital audio interfaces like I2S and PCM.
Key features include low total harmonic distortion (THD), high signal-to-noise ratio (SNR), and programmable gain, which enhances audio quality and versatility. The AD1843JS is designed for ease of integration into systems, with a compact package and multiple operational modes that accommodate different audio formats and configurations. Its architecture supports both fixed and variable sample rates, providing flexibility for developers. Overall, the AD1843JS is recognized for delivering high-fidelity audio performance in various multimedia applications.
Key features include low total harmonic distortion (THD), high signal-to-noise ratio (SNR), and programmable gain, which enhances audio quality and versatility. The AD1843JS is designed for ease of integration into systems, with a compact package and multiple operational modes that accommodate different audio formats and configurations. Its architecture supports both fixed and variable sample rates, providing flexibility for developers. Overall, the AD1843JS is recognized for delivering high-fidelity audio performance in various multimedia applications.
Equivalent
Equivalent products to the AD1843JS chip include the Analog Devices AD1848, AD1849, and the Cirrus Logic CS4231. These alternatives offer similar audio processing capabilities and specifications. For specific applications, checking datasheets for detailed compatibility and performance metrics is advisable.
Features
The AD1843JS is a high-performance audio digital-to-analog converter (DAC) designed for high-fidelity audio applications. Key features include:
1. 24-Bit Resolution: Provides high precision in audio signal conversion.
2. Sampling Rates: Supports sampling rates up to 48 kHz, accommodating various audio formats.
3. Low Total Harmonic Distortion (THD): Ensures high audio quality with minimal distortion.
4. Dual-Channel Output: Capable of stereo audio output for enhanced listening experiences.
5. Integrated Analog Filters: Reduces the need for external components, simplifying design.
6. I2S and PCM Interface: Compatible with multiple digital audio interfaces for flexible integration.
7. Low Power Consumption: Suitable for battery-powered applications and energy-efficient designs.
8. Single Supply Operation: Simplifies power supply requirements with a single voltage source.
The AD1843JS is ideal for consumer audio devices, professional audio equipment, and home theater systems, providing excellent audio performance with versatile connectivity options.
1. 24-Bit Resolution: Provides high precision in audio signal conversion.
2. Sampling Rates: Supports sampling rates up to 48 kHz, accommodating various audio formats.
3. Low Total Harmonic Distortion (THD): Ensures high audio quality with minimal distortion.
4. Dual-Channel Output: Capable of stereo audio output for enhanced listening experiences.
5. Integrated Analog Filters: Reduces the need for external components, simplifying design.
6. I2S and PCM Interface: Compatible with multiple digital audio interfaces for flexible integration.
7. Low Power Consumption: Suitable for battery-powered applications and energy-efficient designs.
8. Single Supply Operation: Simplifies power supply requirements with a single voltage source.
The AD1843JS is ideal for consumer audio devices, professional audio equipment, and home theater systems, providing excellent audio performance with versatile connectivity options.
Pinout
The AD1843JS is a high-performance audio codec with a total of 28 pins. Its primary functions include:
1. Analog Audio Input/Output: It features differential analog inputs and outputs for high-quality audio processing.
2. Digital Audio Interface: It supports multiple digital audio formats, including I2S and PCM, for interfacing with digital systems.
3. Control Interface: The device has a serial control interface (I²C or SPI) for configuration and control of various settings, such as volume and gain.
4. Clock Inputs: It requires clock inputs for synchronization with digital audio sources.
5. Power Supply Pins: Dedicated pins for power supply connections (typically ±5V).
Overall, the AD1843JS is designed for high-resolution audio applications, providing essential features for both input and output audio processing in digital systems.
1. Analog Audio Input/Output: It features differential analog inputs and outputs for high-quality audio processing.
2. Digital Audio Interface: It supports multiple digital audio formats, including I2S and PCM, for interfacing with digital systems.
3. Control Interface: The device has a serial control interface (I²C or SPI) for configuration and control of various settings, such as volume and gain.
4. Clock Inputs: It requires clock inputs for synchronization with digital audio sources.
5. Power Supply Pins: Dedicated pins for power supply connections (typically ±5V).
Overall, the AD1843JS is designed for high-resolution audio applications, providing essential features for both input and output audio processing in digital systems.
Manufacturer
The AD1843JS is manufactured by Analog Devices, Inc. Analog Devices is an American multinational semiconductor company headquartered in Norwood, Massachusetts. Founded in 1965, the company specializes in high-performance analog, mixed-signal, and digital signal processing (DSP) integrated circuits. Their products are widely used in various applications, including communications, automotive, industrial automation, healthcare, and consumer electronics.
The AD1843 is specifically a high-performance audio DAC (Digital-to-Analog Converter) that is often employed in audio playback systems, professional audio equipment, and telecommunications. Analog Devices is recognized for its innovative technologies and extensive portfolio of products that enhance signal processing in diverse applications, focusing on precision, efficiency, and reliability.
The AD1843 is specifically a high-performance audio DAC (Digital-to-Analog Converter) that is often employed in audio playback systems, professional audio equipment, and telecommunications. Analog Devices is recognized for its innovative technologies and extensive portfolio of products that enhance signal processing in diverse applications, focusing on precision, efficiency, and reliability.
Application
The AD1843JS is a high-performance audio codec primarily used in applications requiring high-quality audio processing. Key application areas include:
1. Consumer Electronics: Used in devices like CD players, digital audio players, and home theater systems for analog-to-digital and digital-to-analog conversion.
2. Professional Audio Equipment: Employed in mixing consoles, audio interfaces, and recording devices, ensuring superior sound fidelity.
3. Telecommunications: Utilized in voice communication systems for clear audio transmission.
4. Multimedia Computers: Integrated into sound cards and multimedia systems for enhancing audio playback and recording quality.
5. Embedded Systems: Found in various embedded applications that require high-fidelity audio processing.
1. Consumer Electronics: Used in devices like CD players, digital audio players, and home theater systems for analog-to-digital and digital-to-analog conversion.
2. Professional Audio Equipment: Employed in mixing consoles, audio interfaces, and recording devices, ensuring superior sound fidelity.
3. Telecommunications: Utilized in voice communication systems for clear audio transmission.
4. Multimedia Computers: Integrated into sound cards and multimedia systems for enhancing audio playback and recording quality.
5. Embedded Systems: Found in various embedded applications that require high-fidelity audio processing.
Package
The AD1843JS is packaged in a 28-lead dual in-line package (DIP) format. This type of packaging is suitable for through-hole mounting on a circuit board.
