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參數(shù)資料
| 型號： | SSM2301 |
| 廠商： | Texas Instruments, Inc. |
| 英文描述： | Filterless High Efficiency Mono 1.4 W Class-D Audio Amplifier |
| 中文描述： | 濾波高效單聲道1.4 W功率，D類音頻放大器 |
| 文件頁數(shù)： | 13/19頁 |
| 文件大?。?/td> | 334K |
| 代理商： | SSM2301 |
Preliminary Technical Data
SSM2301
EVALUATION BOARD INFORMATION
INTRODUCTION
The SSM2301 audio power amplifier is a complete low power,
Class-D, stereo audio amplifier capable of delivering 1.4 W/channel
into 8 Ω load. In addition to the minimal parts required for the
application circuit, measurement filters are provided on the
evaluation board so that conventional audio measurements can
be made without additional components.
This section provides an overview of Analog Devices SSM2301
evaluation board. It includes a brief description of the board as
well as a list of the board specifications.
Table 5. SSM2301 Evaluation Board Specifications
Parameter
Supply Voltage Range, V
DD
Power Supply Current Rating
Continuous Output Power, P
O
(R
L
= 8 Ω, f = 1 kHz, 22 kHz BW)
Minimum Load Impedance
OPERATION
Use the following steps when operating the SSM2301
evaluation board.
Specification
2.5 V to 5.0 V
1.5 A
1.4 W
8 Ω
Power and Ground
1.
Set the power supply voltage between 2.5 V and 5.0 V When
connecting the power supply to the SSM2301 evaluation
board, make sure to attach the ground connection to the
GND header pin first and then connect the positive supply
to the VDD header pin.
Inputs and Outputs
1.
Ensure that the audio source is set to the minimum level.
2.
Connect the audio source to Inputs IN± and IN±.
3.
Connect the speakers to Outputs OUT± and OUT±.
Gain Control
The gain select header controls the gain setting of the SSM2301.
1.
Select jumper to LG for 6 dB gain.
2.
Select jumper to HG for 12 dB gain.
External Gain Settings
It is possible to adjust the SSM2301 gain using external resistors
at the input. To set a gain lower than 12 dB refer to Figure 21
and Figure 22 on the product data sheet for proper circuit con-
figuration. For external gain configuration from a fixed 12 dB
gain, use the following formula:
External Gain Settings
= 20 log[4/(1 +
R
/150 kΩ)]
To set a gain lower than 6 dB refer to Figure 23 and Figure 24
on the product data sheet for proper circuit configuration. For
external gain configuration from a fixed 6 dB gain, use the
following formula:
External Gain Settings
= 20 log[2/(1 +
R
/150 kΩ)]
Shutdown Control
The shutdown select header controls the shutdown function of
the SSM2301. The shutdown pin on the SSM2301 is active low,
meaning that a low voltage (GND) on this pin places the SSM2301
into shutdown mode.
1.
Select jumper to 1-2 position. Shutdown pulled to V
DD
.
2.
Select jumper to 2-3 position. Shutdown pulled to GND.
Input Configurations
1.
For differential input configuration with input capacitors
do not place a jumper on J2 and J3.
2.
For differential input configuration without input capacitors
place a jumper on J2 and J3.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| SSM2301_01 | 制造商:AD 制造商全稱:Analog Devices 功能描述:Filterless High Efficiency Mono 1.4W Class-D Audio Amplifier |
| SSM2301CPZ-R2 | 功能描述:IC AMP AUDIO 1.52W MONO D 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(biāo)準(zhǔn)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(fù)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 |
| SSM2301CPZ-REEL | 功能描述:IC AMP AUDIO 1.52W MONO D 8LFCSP RoHS:是 類別:集成電路 (IC) >> 線性 - 音頻放大器 系列:- 標(biāo)準(zhǔn)包裝:2,000 系列:- 類型:AB 類 輸出類型:2 通道（立體聲） 在某負(fù)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 |
| SSM2301CPZ-REEL7 | 功能描述:IC AMP AUDIO 1.52W MONO D 8LFCSP RoHS:是 類別:集成電路 (IC) >> 線性 - 音頻放大器 系列:- 標(biāo)準(zhǔn)包裝:1 系列:- 類型:AB 類 輸出類型:耳機，2-通道（立體聲） 在某負(fù)載時最大輸出功率 x 通道數(shù)量:30mW x 2 @ 32 歐姆 電源電壓:2.7 V ~ 5.5 V 特點:3D，低音提升，無噪音，熱保護，關(guān)斷 安裝類型:表面貼裝 供應(yīng)商設(shè)備封裝:20-QFN（3x3） 封裝/外殼:20-WFQFN 裸露焊盤 包裝:Digi-Reel® 其它名稱:706-1163-6 |
| SSM2301-EVALZ | 制造商:Analog Devices 功能描述:Evaluation Board For Filterless Class-D Audio Amplifier 制造商:Analog Devices 功能描述:EVAL BD - Bulk 制造商:Analog Devices 功能描述:Class-D Audio Amplifier Eval. Board |
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