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參數(shù)資料
| 型號： | SSM2211CP-R2 |
| 廠商： | ANALOG DEVICES INC |
| 元件分類： | 音頻／視頻放大 |
| 英文描述： | Low Distortion, 1.5 W Audio Power Amplifier |
| 中文描述： | 1.5 W, 1 CHANNEL, AUDIO AMPLIFIER, PDSO8 |
| 封裝： | 3 X 3 MM, LFCSP-8 |
| 文件頁數(shù)： | 14/24頁 |
| 文件大?。?/td> | 408K |
| 代理商： | SSM2211CP-R2 |
SSM2211
PRODUCT OVERVIEW
The SSM2211 is a low distortion speaker amplifier that can run
from a 2.7 V to 5.5 V supply. It consists of a rail-to-rail input
and a differential output that can be driven within 400 mV of
either supply rail while supplying a sustained output current of
350 mA. The SSM2211 is unity-gain stable, requiring no
external compensation capacitors, and can be configured for
gains of up to 40 dB. Figure 41 shows the simplified schematic.
Rev. D | Page 14 of 24
4
3
SHUTDOWN
V
O1
V
DD
A2
A1
2
V
IN
20k
Ω
20k
Ω
50k
Ω
0.1
μ
F
7
8
5
6
SSM2211
50k
Ω
50k
Ω
50k
Ω
V
O2
BIAS
CONTROL
0
1
Figure 41. Simplified Schematic
Pin 4 and Pin 3 are the inverting and noninverting terminals
to A1. An offset voltage is provided at Pin 2, which should be
connected to Pin 3 for use in single-supply applications. The
output of A1 appears at Pin 5. A second operational amplifier,
A2, is configured with a fixed gain of A
V
= 1 and produces an
inverted replica of Pin 5 at Pin 8. The SSM2211 outputs at Pin 5
and Pin 8 produce a bridged configuration output to which a
speaker can be connected. This bridge configuration offers the
advantage of a more efficient power transfer from the input to
the speaker. Because both outputs are symmetric, the dc bias at
Pin 5 and Pin 8 are exactly equal, resulting in zero dc differ-
ential voltage across the outputs. This eliminates the need for a
coupling capacitor at the output.
THERMAL PERFORMANCE—LFCSP
The addition of the LFCSP to the Analog Devices, Inc., package
portfolio offers the SSM2211 user even greater choice when
considering thermal performance criteria. For the 8-lead,
3 mm × 3 mm LFCSP, the θ
JA
is 50°C/W. This is a significant
performance improvement over most other packaging options.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| SSM2211CP-REEL | 制造商:Analog Devices 功能描述:Audio Amp Speaker 1-CH Mono Class-AB 8-Pin LFCSP EP T/R |
| SSM2211CP-REEL7 | 功能描述:IC AMP AUDIO PWR 1W MONO 8LFCSP RoHS:否 類別:集成電路 (IC) >> 線性 - 音頻放大器 系列:- 標準包裝:2,000 系列:- 類型:AB 類 輸出類型:2 通道（立體聲） 在某負載時最大輸出功率 x 通道數(shù)量:- 電源電壓:4 V ~ 18 V 特點:- 安裝類型:通孔 供應(yīng)商設(shè)備封裝:8-DIP 封裝/外殼:8-DIP（0.300"，7.62mm） 包裝:管件 |
| SSM2211CPZ-R2 | 功能描述:IC AMP AUDIO PWR 1W MONO 8LFCSP 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:H 類 輸出類型:耳機，2-通道（立體聲） 在某負載時最大輸出功率 x 通道數(shù)量:35mW x 2 @ 16 歐姆 電源電壓:1.62 V ~ 1.98 V 特點:I²C，麥克風(fēng)，靜音，短路保護，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) |
| SSM2211CPZ-R21 | 制造商:AD 制造商全稱:Analog Devices 功能描述:Low Distortion, 1.5 W Audio Power Amplifier |
| SSM2211CPZ-REEL | 功能描述:IC AMP AUDIO PWR 1W MONO 8LFCSP RoHS:是 類別:集成電路 (IC) >> 線性 - 音頻放大器 系列:- 標準包裝:2,000 系列:- 類型:AB 類 輸出類型:2 通道（立體聲） 在某負載時最大輸出功率 x 通道數(shù)量:- 電源電壓:4 V ~ 18 V 特點:- 安裝類型:通孔 供應(yīng)商設(shè)備封裝:8-DIP 封裝/外殼:8-DIP（0.300"，7.62mm） 包裝:管件 |
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