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参数资料
| 型号： | MAX4368ETA+T |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 3/16页 |
| 文件大小： | 0K |
| 描述： | IC AMP AUDIO PWR .33W MONO 8TDFN |
| 标准包装： | 2,500 |
| 类型： | AB 类 |
| 输出类型： | 1-通道（单声道） |
| 在某负载时最大输出功率 x 通道数量： | 330mW x 1 @ 16 欧姆 |
| 电源电压： | 2.3 V ~ 5.5 V |
| 特点： | 消除爆音，关机，热保护 |
| 安装类型： | 表面贴装 |
| 供应商设备封装： | 8-TDFN-EP（3x3） |
| 封装/外壳： | 8-WDFN 裸露焊盘 |
| 包装： | 带卷 (TR) |
Maximum Ratings section. For example,
ΘJA of a TDFN
package is 41°C/W.
The increase in power delivered by the BTL configura-
tion directly results in an increase in internal power dis-
sipation over the single-ended configuration. If the
power dissipation exceeds the maximum allowed for a
given package, either reduce VCC, increase load
impedance, decrease the ambient temperature, or add
heat sinking to the device. Large output, supply, and
ground traces improve the maximum power dissipation
in the package.
Thermal overload protection limits total power dissipa-
tion in the MAX4366/MAX4367/MAX4368. When the
junction temperature exceeds +165°C, the thermal pro-
tection circuitry disables the amplifier output stage. The
amplifiers are re-enabled once the junction temperature
cools by +10°C. This results in a pulsing output under
continuous thermal overload conditions avoiding dam-
age to the part.
Component Selection
Gain-Setting Resistors
External feedback components set the gain of the
MAX4366. Resistors RF and RIN (Figure 3) set the gain
of the input amplifier as follows:
The gain of the device in a single-ended configuration
is half the gain of the BTL case. Choose RF between
10k
Ω and 50kΩ. The gains of the MAX4367/MAX4368
are set internally (Figure 4).
Input Filter
The input capacitor (CIN), in conjunction with RIN forms
a highpass filter that removes the DC bias from an
incoming signal. The AC-coupling capacitor allows the
amplifier to bias the signal to an optimum DC level.
Assuming zero source impedance, the -3dB point of
the highpass filter is given by:
f
RC
dB
IN IN
-3
1
2
=
π
A
R
VD
F
IN
=
2
MAX4366/MAX4367/MAX4368
330mW, Ultra-Small, Audio Power Amplifiers
with Shutdown
______________________________________________________________________________________
11
Figure 4. MAX4367/MAX4368 Typical Application Circuit
VCC
CIN
RIN
RF
CBIAS
6
OUT-
IN+
BIAS
AUDIO
INPUT
3
2
CLICKLESS/
POPLESS
SHUTDOWN
CONTROL
GND
SHDN
8
OUT+
5
7
1
MAX4367
MAX4368
50k
Ω
50k
Ω
10k
Ω
10k
Ω
IN-
4
MAX4367: RIN = RF = 20k
Ω
MAX4368: RIN = 20k
Ω,RF = 30kΩ
PIN NUMBERS REFER TO TDFN PACKAGE.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX4368EUA | 制造商:Rochester Electronics LLC 功能描述: 制造商:Maxim Integrated Products 功能描述: |
| MAX4369EBL+ | 制造商:Rochester Electronics LLC 功能描述: 制造商:Maxim Integrated Products 功能描述: |
| MAX4369EBL+T | 功能描述:高速运算放大器 Integrated Circuits (ICs) RoHS:否 制造商:Texas Instruments 通道数量:1 电压增益 dB:116 dB 输入补偿电压:0.5 mV 转换速度:55 V/us 工作电源电压:36 V 电源电流:7.5 mA 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:SOIC-8 封装:Tube |
| MAX436C/D DIE | 制造商:Maxim Integrated Products 功能描述: |
| MAX436CPD | 功能描述:运算放大器 - 运放 RoHS:否 制造商:STMicroelectronics 通道数量:4 共模抑制比（最小值）:63 dB 输入补偿电压:1 mV 输入偏流（最大值）:10 pA 工作电源电压:2.7 V to 5.5 V 安装风格:SMD/SMT 封装 / 箱体:QFN-16 转换速度:0.89 V/us 关闭:No 输出电流:55 mA 最大工作温度:+ 125 C 封装:Reel |
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