Overview
The AD1871YRS-REEL is a stereo audio analog-to-digital converter (ADC) produced by Analog Devices Inc. This component is designed for high-performance digital audio applications, featuring two 24-bit conversion channels. Each channel includes a programmable gain amplifier (PGA), a multibit sigma-delta modulator, and decimation filters. The AD1871 provides 105 dB of dynamic range, making it suitable for professional audio equipment and various digital audio recording devices.
Key Specifications
| Specification | Value |
|---|---|
| Resolution | 24-bit |
| Sampling Rate | Up to 96 kHz |
| Dynamic Range | 105 dB |
| Input Configuration | Differential or single-ended |
| PGA Gain Range | 0 dB to 12 dB (in steps of 3 dB) |
| Power Supply | Single 5 V (optional 3.3 V for digital interfacing) |
| Package | 28-lead SSOP |
| Operating Temperature | –40°C to +105°C |
| Interface Formats | I2S, left-justified, right-justified |
Key Features
- Two 24-bit conversion channels with programmable gain amplifiers (PGA)
- Multibit sigma-delta modulator for optimal performance over audio bandwidth
- Decimation filters with low pass-band ripple and excellent stop-band attenuation
- Support for I2S, left-justified, and right-justified interface formats
- SPI compatible serial control port for device parameter control
- Cascadable up to four devices from a single DSP SPORT device
- On-chip reference and optional control pins
Applications
- Professional audio mixing consoles
- Musical instruments
- Digital audio recorders (CD-R, MD, DVD-R, DAT, HDD)
- Home theater systems
- Automotive audio systems
- Multimedia systems
Q & A
- What is the resolution of the AD1871YRS-REEL? The AD1871YRS-REEL has a resolution of 24 bits.
- What is the maximum sampling rate of the AD1871YRS-REEL? The maximum sampling rate is up to 96 kHz.
- What is the dynamic range of the AD1871YRS-REEL? The dynamic range is 105 dB.
- Can the input channels be configured as differential or single-ended? Yes, the input channels can be configured as either differential or single-ended.
- What is the gain range of the PGA? The PGA gain range is from 0 dB to 12 dB in steps of 3 dB.
- What power supply does the AD1871YRS-REEL require? It operates from a single 5 V power supply, with an optional 3.3 V for digital interfacing.
- In what package is the AD1871YRS-REEL housed? It is housed in a 28-lead SSOP package.
- What is the operating temperature range of the AD1871YRS-REEL? The operating temperature range is –40°C to +105°C.
- Which interface formats does the AD1871YRS-REEL support? It supports I2S, left-justified, and right-justified interface formats.
- Can the AD1871YRS-REEL be cascaded with other devices? Yes, it can be cascaded up to four devices from a single DSP SPORT device.
