参数资料
型号: MAX9820EVKIT+
厂商: Maxim Integrated Products
文件页数: 3/13页
文件大小: 0K
描述: KIT EVAL FOR MAX9820
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 1
系列: DirectDrive®
放大器类型: AB 类
输出类型: 耳机,2-通道(立体声)
在某负载时最大输出功率 x 通道数量: 95mW x 2 @ 32 欧姆
电源电压: 2.7 V ~ 5.5 V
工作温度: -40°C ~ 85°C
板类型: 完全填充
已用 IC / 零件: MAX9820
已供物品:
相关产品: MAX9820ETB+TTR-ND - IC AMP AUD HDPHE 95MW 10TDFN
Amplifier Gain
The gain of the MAX9820 is set externally using input
and feedback resistors (see the
Functional Diagram/
Typical Operating Circuit). The gain is:
Choose feedback resistor values in the tens of k
range.
Layout and Grounding
Proper layout and grounding are essential for optimum
performance. Connect EP and GND together at a single
point on the PCB. Ensure ground return resistance is
minimized for optimum crosstalk performance. Place
the power-supply bypass capacitor, the charge-pump
hold capacitor, and the charge-pump flying capacitor
as close as possible to the MAX9820. Route all traces
that carry switching transients away from the audio sig-
nal path.
A
R
VV
V
FB
IN
=
(/ )
MAX9820
DirectDrive Headphone Amplifier
with External Gain
______________________________________________________________________________________
11
Chip Information
PROCESS: BiCMOS
CHARGE
PUMP
CLICK-AND-POP
SUPPRESSION
CIN
1.0
F
RIN
40.2k
RFB
40.2k
INR
INL
SHDN
GND
TO VDD
TO VSS
OUTL
OUTR
UVLO/SHUTDOWN
CONTROL
C1P
C1N
2.7V TO 5.5V
C3
10
F
C2
1.0
F
C1
1.0
F
VDD
VSS
OFF
ON
1
2
8
10
9
3
6
7
4
5
HEADPHONE
JACK
CIN
1.0
F
RIN
40.2k
RFB
40.2k
-1
Functional Diagram/Typical Operating Circuit
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相关代理商/技术参数
参数描述
MAX9820EVKIT+ 功能描述:音频 IC 开发工具 MAX9820 Eval Kit RoHS:否 制造商:Texas Instruments 产品:Evaluation Kits 类型:Audio Amplifiers 工具用于评估:TAS5614L 工作电源电压:12 V to 38 V
MAX982CPA 功能描述:校验器 IC Dual Comparator / Reference RoHS:否 制造商:STMicroelectronics 产品: 比较器类型: 通道数量: 输出类型:Push-Pull 电源电压-最大:5.5 V 电源电压-最小:1.1 V 补偿电压(最大值):6 mV 电源电流(最大值):1350 nA 响应时间: 最大工作温度:+ 125 C 安装风格:SMD/SMT 封装 / 箱体:SC-70-5 封装:Reel
MAX982CPA+ 功能描述:校验器 IC Dual Comparator / Reference RoHS:否 制造商:STMicroelectronics 产品: 比较器类型: 通道数量: 输出类型:Push-Pull 电源电压-最大:5.5 V 电源电压-最小:1.1 V 补偿电压(最大值):6 mV 电源电流(最大值):1350 nA 响应时间: 最大工作温度:+ 125 C 安装风格:SMD/SMT 封装 / 箱体:SC-70-5 封装:Reel
MAX982CSA 功能描述:校验器 IC Dual Comparator / Reference RoHS:否 制造商:STMicroelectronics 产品: 比较器类型: 通道数量: 输出类型:Push-Pull 电源电压-最大:5.5 V 电源电压-最小:1.1 V 补偿电压(最大值):6 mV 电源电流(最大值):1350 nA 响应时间: 最大工作温度:+ 125 C 安装风格:SMD/SMT 封装 / 箱体:SC-70-5 封装:Reel
MAX982CSA+ 功能描述:校验器 IC Dual Comparator / Reference RoHS:否 制造商:STMicroelectronics 产品: 比较器类型: 通道数量: 输出类型:Push-Pull 电源电压-最大:5.5 V 电源电压-最小:1.1 V 补偿电压(最大值):6 mV 电源电流(最大值):1350 nA 响应时间: 最大工作温度:+ 125 C 安装风格:SMD/SMT 封装 / 箱体:SC-70-5 封装:Reel