參數(shù)資料
型號(hào)： SSM2604CPZ-REEL7
廠商： Analog Devices Inc
文件頁(yè)數(shù)： 1/28頁(yè)
文件大?。?/td> 0K
描述： IC AUDIO CODEC LP 20-LFCSP
標(biāo)準(zhǔn)包裝： 1
類(lèi)型： 立體聲音頻
數(shù)據(jù)接口： 串行
分辨率（位）： 24 b
ADC / DAC 數(shù)量： 2 / 2
三角積分調(diào)變： 無(wú)
S/N 比，標(biāo)準(zhǔn) ADC / DAC (db)： 90 / 100
電壓 - 電源，模擬： 1.8 V ~ 3.6 V
電壓 - 電源，數(shù)字： 1.5 V ~ 3.6 V
工作溫度： -40°C ~ 85°C
安裝類(lèi)型： 表面貼裝
封裝/外殼： 20-VFQFN 裸露焊盤(pán)，CSP
供應(yīng)商設(shè)備封裝： 20-LFCSP-VQ
包裝： 標(biāo)準(zhǔn)包裝
其它名稱(chēng)： SSM2604CPZ-REEL7DKR
Low Power Audio Codec
Data Sheet
Rev. A
Information furnished by Analog Devices is believed to be accurate and reliable. However, no
responsibilityisassumedbyAnalogDevicesforitsuse,norforanyinfringementsofpatentsorother
rightsofthirdpartiesthatmayresultfromitsuse.Specificationssubjecttochangewithoutnotice.No
license is granted by implication or otherwise under any patent or patent rights of Analog Devices.
Trademarksandregisteredtrademarksarethepropertyoftheirrespectiveowners.
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781.329.4700
2008–2013 Analog Devices, Inc. All rights reserved.
FEATURES
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
Stereo line inputs
Low power
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: 1.5 V to 3.6 V
256/384 oversampling rate in normal mode;
250/272 oversampling 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
20-lead, 4 mm × 4 mm LFCSP (QFN) package
APPLICATIONS
Mobile phones
MP3 players
Portable gaming
Portable electronics
Educational toys
GENERAL DESCRIPTION
The SSM2604 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. It features two
24-bit analog-to-digital converter (ADC) channels and two
24-bit digital-to-analog (DAC) converter channels.
The SSM2604 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 sam-
pling 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 SSM2604 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 SSM2604 is specified over the industrial temperature range
of 40°C to +85°C. It is available in a 20-lead, 4 mm × 4 mm
lead frame chip scale package (LFCSP).
FUNCTIONAL BLOCK DIAGRAM
AVDD
VMID
AGND
DVDD DGND
ROUT
DIGITAL
PROCESSOR
RLINEIN
ADC
LLINEIN
ADC
DAC
LOUT
BYPASS
CLK
MCLK/
XTI
XTO CLKOUT
CONTROL INTERFACE
SDIN
SCLK
DIGITAL AUDIO INTERFACE
PBDAT RECDAT BCLK PBLRC RECLRC
–34.5dB TO +33dB,
1.5dB STEP
–34.5dB TO +33dB,
1.5dB STEP
SSM2604
06978-
001
Figure 1.
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