Si3000 VOICEBAND CODEC WITH MICROPHONE/SPEAKER DRIVE Features Complete voice codec solution includes the following: 84 dB ADC Dynamic Range Support for 32 Headphones 84 dB DAC Dynamic Range 3:1 Analog Input Mixer 412 kHz Sample Rates 3.35.0 V Power Supply 30 dB Microphone Pre-Amp Direct Serial Interface to DSPs Programmable Input Direct Connection to Si303x/44/56, Ordering Information: Gain/Attenuation: 34.5 dB to serial interface DAA chipsets 12 dB See page 29. Low profile 16-Pin SOIC Package Programmable Output RoHS-compliant package Gain/Attenuation: 34.5 dB to available 12 dB Pin Assignments Applications Si3000 Modem Voice Channel (DSVD) Speech Processing 1 SPKRL SPKRR 16 Telephony General Purpose Analog I/O MBIAS 2 15 LINEO Companion chip for FDX 3 14 GND HDST ISOmodems with voice features SDI 4 13 V A SDO 5 12 V D Description 6 11 FSYNC LINEI MCLK 7 10 MIC The Si3000 is a complete voice band audio codec solution that offers high 8 9 SCLK RESET integration by incorporating programmable input and output gain/attenuation, a microphone bias circuit, handset hybrid circuit, and an output drive for 32 headphones. The Si3000 can be connected directly to the Si3034, Si3035, Si3044, and Si3056 North American and international DAA chipsets through their daisy-chaining serial interface. It also serves as a companion chip to a FAT ISOmodem chipset with voice features, providing hardware support for a handset and speaker phone. The device operates from a single 3.3 to 5V power supply and is available in a 16-pin small outline package (SOIC). Functional Block Diagram Si3000 MBIAS 0/+10/+20/+30 dB MIC MCLK Prog Gain/ ADC Attenuator SCLK LINEI FSYNC 0/+10/+20 dB Digital SDI Handset Interface HDST Hybrid SDO 0/6/12/18 dB SPKRR Prog Gain/ Headphone DAC Attenuator Driver SPKRL LINEO 0/6/12/18 dB RESET Skyworks Solutions, Inc. Phone 781 376-3000 Fax 781 376-3100 sales skyworksinc.com www.skyworksinc.com Rev. 1.4 Skyworks Proprietary Information Products and Product Information are Subject to Change Without Notice August 19, 2021 High Pass FilterSi3000 2 Skyworks Solutions, Inc. Phone 781 376-3000 Fax 781 376-3100 sales skyworksinc.com www.skyworksinc.com Rev. 1.4 Skyworks Proprietary Information Products and Product Information are Subject to Change Without Notice August 19, 2021