EV-2 E V- 2 EV-2 CobraNet™ Evaluation/Developer’s Kit Innovative Development Platform for CobraNet™ Products EV-2 CobraNet™, the industry-leading digital audio networking technology from Cirrus Logic®, has established itself as the product of choice for networked audio. The CobraNet solution leverages the rapid developments in the computer networking industry to provide an increasingly cost-effective solution for audio professionals worldwide. The EV-2 provides a means of easily evaluating CM-2 CobraNet modules. It also provides an example CobraNet interface and can be used as a development platform for CobraNet products. The EV-2 comes standard with CM-2 modules, but will work equally well with CM-1 modules if needed. The EV-2 Evaluation / Developers kit includes: The EV-2 Evaluation / Developers kit is available for purchase with a signed evalutation agreement. For additional information on how to obtain the EV-2 kit, please contact our office directly at the numbers provided. • Two CM-2 CobraNet modules • One Ethernet cross-over cable • One software CD • One printed manual CobraNet Technology Advantages EV-2 Features & Benefits Analog Audio I/O: • 2-channel input converted to 16, 20 or 24-bit data at 48 or 96 kHz sample rates • 2-channel 48 or 96 kHz digital audio converted to analog audio output Digital Audio I/O • AES3 input and output streams Field Programmable • Supplied EV-2 software allows firmware reprogramming RS232 Interfaces • Direct to CM-2 module • Direct to microcontroller • Two EV-2 boards Microcontroller • 64 KB on-chip Flash program memory • 1 KB RAM • In-system programmability Routing Flexibility • Route analog and digital audio to/from the CM-2 as well as within the EV-2 Sine Wave Generation • Configurable sine wave test tones for alternate audio test source Hex Switches • For setting location ID of the CM-1/CM-2 and user development LED Display • 3 indicators are supplied for user development • Available as low-cost ICs without licensing or royalty fees • CobraNet technology can coexist with data traffic over existing Ethernet networks, saving money by eliminating additional infrastructure costs • De-facto industry standard with tens-ofthousands of installed nodes in high-profile “mission-critical” venues worldwide • Networked audio, control and monitoring (bi-directional) • Uses SNMP for control and monitoring (IT-friendly) • Incorporates multiple fault-tolerant features • Ability to send audio from any CobraNet interface to any other – unlimited addressing, unlimited capacity www.cirrus.com EV-2 Audio Specifications Audio Inputs Description Audio Outputs Notes A/D Converter CS5381 Input Channels 2 Description D/A Converter THD + N < -114 dB, 48 kHz sample rate mode < -110 dB, 96 kHz sample rate mode Dynamic Range > 115 dB, 48 kHz sample rate mode > 110 dB, 96 kHz sample rate mode Maximum Input Level Input Impedance 8.3 dBu CS4398 Output Channels 0.1 dB, 20 Hz to 20 kHz, 48 kHz sample rate mode +0.1 dB, -4 dB, 20 Hz to 40 kHz, 96 Khz sample rate mode Frequency Response Notes Frequency Response 2 0.1 dB, 20 Hz to 20 kHz 48 kHz sample rate mode +0.1 dB, -10 dB, 20 Hz to 40 kHz, 96 kHz sample rate mode THD + N < -106 dB Dynamic Range Maximum Output Level > 112 dB 9.75 dBu into differential input Output Impedance 200 Ω 20 k Ω balanced differential Other Specifications Digital I/O: CS8420-CS Description Notes AES/EBU Digital I/O CS8420-CS Input sample rate converted. Power Consumption < 10 watts (includes CM-2) Power Connector Standard ATX power supply connector (ATX power supply is not included) RS232 Connection Non-standard (Rx/Tx only) EIA-RS232C connection. RS232 Connectors 9-pin D-sub type C i r r u s L o g i c , I n c . · 2 9 0 1 V i a F o r t u n a · A u s t i n T X 7 8 74 6 U S A · T 5 1 2 - 8 5 1 - 4 0 0 0 · T 8 0 0 - 8 8 8 - 5 0 1 6 · F 5 1 2 - 8 5 1 - 4 9 7 7 Product Bulletin 0089-1004-PB-LP © 2004 Cirrus Logic, Inc. All rights reserved. Product information is subject to change without notice. Cirrus Logic and Leading the Digital Entertainment Revolution are trademarks of Cirrus Logic, Inc. Other brand and product names may be trademarks or service marks of their respective owners.