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SSM2602CPZ-REEL

更新时间: 2024-10-28 04:02:47
品牌 Logo 应用领域
亚德诺 - ADI 解码器编解码器电信集成电路电信电路PC
页数 文件大小 规格书
32页 486K
描述
Low Power Audio Codec

SSM2602CPZ-REEL 数据手册

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Low Power Audio Codec  
SSM2602  
FEATURES  
GENERAL DESCRIPTION  
Stereo, 24-bit analog-to-digital and digital-to-analog converters  
DAC SNR: 100 dB (A-weighted), THD: −80 dB at 48 kHz, 3.3 V  
ADC SNR: 90 dB (A-weighted), THD: −80 dB at 48 kHz, 3.3 V  
Highly efficient headphone amplifier  
Stereo line input and monaural microphone input  
Low power  
The SSM2602 is a low power, high quality stereo audio codec  
for portable digital audio applications with one set of stereo  
programmable gain amplifier (PGA) line inputs and one  
monaural microphone input. It features two 24-bit analog-to-  
digital converter (ADC) channels and two 24-bit digital-to-  
analog (DAC) converter channels.  
7 mW stereo playback (1.8 V/1.5 V supplies)  
14 mW record and playback (1.8 V/1.5 V supplies)  
Low supply voltages  
Analog: 1.8 V to 3.6 V  
Digital core: 1.5 V to 3.6 V  
Digital I/O: 1.8 V to 3.6 V  
256/384 oversampling rate in normal mode; 250/272 over-  
sampling rate in USB mode  
Audio sampling rates: 8 kHz, 11.025 kHz, 12 kHz, 16 kHz,  
22.05 kHz, 24 kHz, 32 kHz, 44.1 kHz, 48 kHz, 88.2 kHz,  
and 96 kHz  
The SSM2602 can operate as a master or a slave. It supports  
various master clock frequencies, including 12 MHz or 24 MHz  
for USB devices; standard 256 fS or 384 fS based rates, such as  
12.288 MHz and 24.576 MHz; and many common audio sampling  
rates, such as 96 kHz, 88.2 kHz, 48 kHz, 44.1 kHz, 32 kHz, 24 kHz,  
22.05 kHz, 16 kHz, 12 kHz, 11.025 kHz, and 8 kHz.  
The SSM2602 can operate at power supplies as low as 1.8 V for  
the analog circuitry and as low as 1.5 V for the digital circuitry.  
The maximum voltage supply is 3.6 V for all supplies.  
The SSM2602 software-programmable stereo output options  
provide the user with many application possibilities because the  
device can be used as a headphone driver or as a speaker driver.  
Its volume control functions provide a large range of gain  
control of the audio signal.  
28-lead, 5 mm × 5 mm LFCSP (QFN) package  
APPLICATIONS  
Mobile phones  
MP3 players  
The SSM2602 is specified over the industrial temperature range  
of −40°C to +85°C. It is available in a 28-lead, 5 mm × 5 mm  
lead frame chip scale package (LFCSP).  
Portable gaming  
Portable electronics  
Educational toys  
FUNCTIONAL BLOCK DIAGRAM  
AVDD VMID AGND  
DBVDD DGND DCVDD  
HPVDD PGND  
SSM2602  
MICBIAS  
BYPASS  
6dB TO 15dB/MUTE 3dB STEP  
–34.5dB TO +33dB,  
1.5dB STEP  
–73dB TO +6dB,  
1dB STEP  
SIDETONE  
RHPOUT  
ROUT  
RLINEIN  
MICIN  
MUX  
MUX  
ADC  
ADC  
DAC  
DIGITAL  
PROCESSOR  
LOUT  
0dB/20dB/  
40dB BOOST  
DAC  
LLINEIN  
LHPOUT  
–34.5dB TO +33dB,  
1.5dB STEP  
6dB TO 15dB/MUTE 3dB STEP  
–73dB TO +6dB,  
1dB STEP  
SIDETONE  
BYPASS  
CLK  
DIGITAL AUDIO INTERFACE  
CONTROL INTERFACE  
MCLK/ XTO CLKOUT  
XTI  
PBDAT RECDAT BCLK PBLRC RECLRC MODE CSB SDIN SCLK  
Figure 1.  
Rev. 0  
Information furnished by Analog Devices is believed to be accurate and reliable. However, no  
responsibility is assumed by Analog Devices for its use, nor for any infringements of patents or other  
rights of third parties that may result from its use. Specifications subject to change without notice. No  
license is granted by implication or otherwise under any patent or patent rights of Analog Devices.  
Trademarks and registeredtrademarks arethe property of their respective owners.  
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.  
Tel: 781.329.4700  
Fax: 781.461.3113  
www.analog.com  
©2008 Analog Devices, Inc. All rights reserved.  
 

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