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Updated at 17/06/2025 10:30:15(UTC+8)

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Description

PRODUCT OVERVIEW
The AD1877 is a stereo, 16-bit oversampling ADC based on Sigma Delta (∑∆) technology intended primarily for digital audio bandwidth applications requiring a single 5 V power supply. Each single-ended channel consists of a fourth-order one-bit noise shaping modulator and a digital decimation filter. An on chip voltage reference, stable over temperature and time, defines the full-scale range for both channels. Digital output data from both channels are time-multiplexed to a single, flexible serial interface. The AD1877 accepts a 256 × FS or a 384 × FS input clock (FS is the sampling frequency) and operates in both serial port “master” and “slave” modes. In slave mode, all clocks must be externally derived from a common source.
FEATURES
Single 5 V Power Supply
Single-Ended Dual-Channel Analog Inputs
92 dB (Typ) Dynamic Range
90 dB (Typ) S/(THD+N)
0.006 dB Decimator Passband Ripple
Fourth-Order, 64-Times Oversampling ΣΔ Modulator
Three-Stage, Linear-Phase Decimator
256 X FS or 384 X FS Input Clock
Less than 100 μW (Typ) Power-Down Mode
Input Overrange Indication
On-Chip Voltage Reference
Flexible Serial Output Interface
28-Lead SOIC Package
APPLICATIONS
Consumer Digital Audio Receivers
Digital Audio Recorders, Including Portables CD-R, DCC, MD and DAT
Multimedia and Consumer Electronic Equipment
Sampling Music Synthesizers
Digital Karaoke Systems

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Order guide

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- Vacuum packaging
- Anti-static packaging
- Shockproof foam
The terms here are for reference only, the actual terms are subject to the sales quotation.
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