SI3000集成电路（IC）的编解码器规格书PDF中文资料

[Silabs]

描述 Description

The Si3000 is a complete voice band audio codec solution that offers high integration by incorporating programmable input and output gain/ attenuation, a microphone bias circuit, handset hybrid circuit, and an output drive for 32 Ω headphones. The Si3000 can be connected directly to the Si3034, Si3035, and Si3044 ISOcap North American and international DAA chipsets through its daisy-chaining serial interface. The device operates from a single 3.3 to 5 V power supply and is available in a 16-pin small outline package (SOIC).

特性 Features

Complete voice codec solution includes the following:

■ 84 dB ADC Dynamic Range

■ 84 dB DAC Dynamic Range

■ 4–12 kHz Sample Rates

■ 30 dB Microphone Pre-Amp

■ Programmable Input Gain/ Attenuation: –36 dB to 12 dB

■ Programmable Output Gain/ Attenuation: –36 dB to 12 dB

■ Support for 32 Ω Headphones

■ 3:1 Analog Input Mixer

■ 3.3–5.0 V Power Supply

■ Direct Interface to DSPs

■ Direct Connection to Si3034, Si3035, and Si3044 ISOcap™ DAA

■ Low profile 16 Pin SOIC Package

Applications

■ Modem Voice Channel (DSVD)

■ Telephony

■ Speech Processing

■ General Purpose Analog I/O