CS8421-CZZ

Product Summary

The CS8421-CZZ is a 32-bit, high performance, monolithic CMOS stereo asynchronous sample rate converter. Digital audio inputs and outputs can be 32, 24, 20, or 16-bits. Input and output data can be completely asynchronous, synchronous to an external data clock, or the part can operate without any external clock by using an integrated oscillator. Audio data is input and output through configurable 3-wire input/output ports. The CS8421-CZZ does not require any software control via a control port. Target applications of the CS8421-CZZ include digital recording systems (DVD-R/RW, CD-R/RW, PVR, DAT, MD, and VTR), digital mixing consoles, high quality D/A, effects processors, computer audio systems, and automotive audio systems.

Parametrics

CS8421-CZZ absolute maximum ratings: (1)Power Supply Voltage VD: -0.3 to 3.5V; VL: -0.3 to 6.0V; (2)Input Current, Any Pin Except Supplies, Iin: ±10mA; (3)Input Voltage, Vin: -0.3 to VL+0.4 V; (4)Ambient Operating Temperature (power applied), TA: -55 to +125℃; (5)Storage Temperature, Tstg: -65 to +150℃.

Features

CS8421-CZZ features: (1)75 dB Dynamic Range; (2)–140 dB THD+N; (3)No Programming Required; (4)No External Master Clock Required; (5)Supports Sample Rates up to 211 kHz; (6)Input/Output Sample Rate Ratios from 7.5:1 to 1:8; (7)Master Clock Support for 128 × fs, 256 × fs, 384 × fs, and 512 × fs (Master Mode); (8)16, 20, 24, or 32-bit Data I/O; (9)32-bit Internal Signal Processing; (10)Dither Automatically Applied and Scaled to Output Resolution; (11)Flexible 3-Wire Serial Digital Audio Input and Output Ports; (12)Master and Slave Modes for Both Input and Output; (13)Bypass Mode ; (14)Time Division Multiplexing (TDM) Mode; (15)Attenuates Clock Jitter; (16)Multiple Part Outputs are Phase Matched; (17)Linear Phase FIR Filter; (18)Automatic Soft Mute/Unmute; (19)+2.5 V Digital Supply (VD); (20)+3.3 V or 5.0 V Digital Interface (VL); (21)Space Saving 20-pin TSSOP and QFN Packages.

Diagrams