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| 型號： | SSM2804CBZ-R7 |
| 廠商： | Analog Devices Inc |
| 文件頁數(shù)： | 1/36頁 |
| 文件大小： | 0K |
| 描述： | IC AMP AUDIO 1.4W SPKR 30WLSCP |
| 標準包裝： | 1,500 |
| 類型： | D 類 |
| 輸出類型： | 2-通道（立體聲）帶立體聲耳機 |
| 在某負載時最大輸出功率 x 通道數(shù)量： | 3.6W x 2 @ 4 歐姆; 40mW x 2 @ 16 歐姆 |
| 電源電壓： | 2.5 V ~ 3.6 V |
| 特點： | 消除爆音，I²C，短路和熱保護，關(guān)機，音量控制 |
| 安裝類型： | 表面貼裝 |
| 供應(yīng)商設(shè)備封裝： | 30-WLCSP（2.96x2.46） |
| 封裝/外殼： | 30-WFBGA，WLBGA |
| 包裝： | 帶卷 (TR) |
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Audio Subsystem with Class-D Speaker
and Capless Headphone Driver
Rev. 0
Information furnished by Analog Devices is believed to be accurate and reliable. However, no
responsibilityis assumedbyAnalogDevicesforitsuse,norforanyinfringementsof patentsorother
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
www.analog.com
Fax: 781.461.3113
2011 Analog Devices, Inc. All rights reserved.
FEATURES
3 single-ended stereo audio inputs with optional
differential mode
Stereo, 1.4 W, filterless Class-D amplifiers with Σ-Δ modulation
Integrated receiver path bypass switch
Configurable, high performance capless headphone output
with true ground Class-G technology
Optional hardware-based headphone level limiter
I2C control interface
Volume control
Flexible input/output mixing
Output mode control
EMI emissions control
Automatic level control (ALC)
Adjustable headphone level limiter
Low shutdown current
Short-circuit and thermal protection
Pop-and-click suppression
Available in a 30-ball, 2.5 mm × 3.0 mm WLCSP
APPLICATIONS
Mobile phones
Portable multimedia devices
GENERAL DESCRIPTION
The SSM2804 is an audio subsystem designed specifically for
mobile phones and portable multimedia devices. This highly
flexible subsystem includes three input channels that can be
configured as single-ended stereo or monaural differential for
multimedia audio sources.
Each set of inputs is independently adjustable with the 2-wire
I2C interface and features an adjustable gain over a 30 dB range
in steps of 1 dB. Each set of input channels also offers the choice
of variable input impedance PGA mode or fixed input impedance
boost mode. The input signals are then mixed and routed to the
desired set of outputs. This configuration is set using the 2-wire
I2C control interface.
The SSM2804 includes three selectable output modes.
The first output mode is a stereo Class-D speaker driver capable
of delivering 2 × 1.4 W of continuous power to an 8 Ω bridge-tied
load (BTL) with 1% THD + N when using a 5 V supply. This
Class-D amplifier incorporates three-level Σ-Δ output modulation
designed to increase battery life and improve EMI performance.
The Class-D amplifier offers an I2C-adjustable volume control
with a gain range from +12 dB to 63 dB in 31 steps.
The second output mode is a pair of high performance head-
phone drivers capable of delivering 20 mW per channel into
stereo 32 Ω single-ended loads with 1% THD + N. The stereo
headphone drivers use a highly efficient, true ground centered
Class-G architecture. The headphone outputs incorporate
I2C-adjustable volume control with a gain range from 0 dB
to 75 dB in 32 steps.
The third output mode is an integrated receiver path bypass
switch for passing voice signals from the audio baseband.
The SSM2804 is specified over the industrial temperature range
of 40°C to +85°C. It has built-in thermal shutdown and output
short-circuit protection. The SSM2804 is available in a 30-ball,
2.5 mm × 3.0 mm wafer level chip scale package (WLCSP).
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
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| SSM2804CBZ-RL | 功能描述:IC AMP AUDIO DR 30-WLSCP RoHS:是 類別:集成電路 (IC) >> 線性 - 音頻放大器 系列:- 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標準包裝:2,500 系列:DirectDrive® 類型:D 類 輸出類型:1-通道（單聲道），帶立體聲耳機 在某負載時最大輸出功率 x 通道數(shù)量:930mW x 1 @ 8 歐姆; 40mW x 2 @ 16 歐姆 電源電壓:2.7 V ~ 5.5 V 特點:消除爆音，差分輸入，I²C，靜音，關(guān)閉，音量控制 安裝類型:表面貼裝 供應(yīng)商設(shè)備封裝:25-WLP（2.09x2.09） 封裝/外殼:25-WFBGA，WLCSP 包裝:帶卷 (TR) 其它名稱:MAX97000EWA+T-ND |
| SSM28APT | 制造商:CHENMKO 制造商全稱:Chenmko Enterprise Co. Ltd. 功能描述:SCHOTTKY BARRIER RECTIFIER |
| SSM28G45EM | 制造商:SSC 制造商全稱:Silicon Standard Corp. 功能描述:N-CHANNEL INSULATED-GATE BIPOLAR TRANSISTOR |
| SSM28PT | 制造商:CHENMKO 制造商全稱:Chenmko Enterprise Co. Ltd. 功能描述:SCHOTTKY BARRIER RECTIFIER |
| SSM2932 | 制造商:AD 制造商全稱:Analog Devices 功能描述:High Efficiency, Ground-Referenced |
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