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MAX9919NASA+T PDF预览

MAX9919NASA+T

更新时间: 2024-09-26 13:11:07
品牌 Logo 应用领域
美信 - MAXIM 放大器
页数 文件大小 规格书
17页 2164K
描述
Operational Amplifier, 1 Func, 1300uV Offset-Max, BICMOS, PDSO8, ROHS COMPLIANT, MS-012, SOIC-8

MAX9919NASA+T 技术参数

是否无铅:不含铅是否Rohs认证:符合
生命周期:Active包装说明:ROHS COMPLIANT, MS-012, SOIC-8
Reach Compliance Code:compliantECCN代码:EAR99
HTS代码:8542.33.00.01Factory Lead Time:6 weeks
风险等级:0.97Is Samacsys:N
放大器类型:OPERATIONAL AMPLIFIER最大平均偏置电流 (IIB):250 µA
标称共模抑制比:80 dB最大输入失调电压:1300 µV
JESD-30 代码:R-PDSO-G8长度:4.89 mm
湿度敏感等级:1功能数量:1
端子数量:8最高工作温度:125 °C
最低工作温度:-40 °C封装主体材料:PLASTIC/EPOXY
封装代码:HLSOP封装形状:RECTANGULAR
封装形式:SMALL OUTLINE, HEAT SINK/SLUG, LOW PROFILE峰值回流温度(摄氏度):NOT SPECIFIED
座面最大高度:1.68 mm标称压摆率:3 V/us
子类别:Operational Amplifier供电电压上限:6 V
标称供电电压 (Vsup):5 V表面贴装:YES
技术:BICMOS温度等级:AUTOMOTIVE
端子形式:GULL WING端子节距:1.27 mm
端子位置:DUAL处于峰值回流温度下的最长时间:NOT SPECIFIED
宽度:3.9 mmBase Number Matches:1

MAX9919NASA+T 数据手册

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19-5015; Rev 0; 11/09  
-20V to +75V Input Range, Precision  
Uni-/Bidirectional, Current-Sense Amplifiers  
81/MAX920  
General Description  
Features  
The MAX9918/MAX9919/MAX9920 are single-supply,  
high-accuracy current-sense amplifiers with a high  
input common-mode range that extends from -20V to  
+75V. These amplifiers are well suited for current moni-  
toring of inductive loads such as motors and solenoids,  
where common-mode voltages can become negative  
due to inductive kickback, reverse-battery conditions,  
or transient events.  
o -20V to +75V Input Common-Mode Voltage Range  
o 400µV (max) Input Offset Voltage  
o 0.6% (max) Gain Accuracy Error  
o Uni- or Bidirectional Current Sensing  
o Reference Input for Bidirectional OUT  
o 120kHz, -3dB Bandwidth (MAX9919N)  
o Single-Supply Operation (4.5V to 5.5V)  
o 1mA Supply Current  
The MAX9918/MAX9920 feature adjustable gain set by  
an external resistive-divider network. The MAX9919 fea-  
tures fixed gains of 45V/V (MAX9919F) and 90V/V  
(MAX9919N). The MAX9918/MAX9919/MAX9920 oper-  
o 0.5µA (typ) Shutdown Current  
ate as unidirectional amplifiers when V  
= GND  
CC  
REFIN  
and as bidirectional amplifiers when V  
= V /2.  
REFIN  
o Rail-to-Rail Output  
The MAX9920 attenuates the input signal by a factor of  
4 at the input level-shifting stage allowing the device to  
sense voltages up to 200mV (unidirectional operation)  
or 100mV (bidirectional operation).  
o -40°C to +125°C Automotive Temperature Range  
Ordering Information/  
Selector Guide  
The MAX9918/MAX9919/MAX9920 operate with a sin-  
gle 5V supply voltage, are fully specified over the -40°C  
to +125°C automotive temperature range, and are  
available in an 8-pin SOIC package.  
V
GAIN  
(V/V)  
SENSE  
(mV)  
PART  
PIN-PACKAGE  
Applications  
H-Bridge Motor Current Sensing  
Solenoid Current Sensing  
MAX9918ASA+  
MAX9919FASA+  
MAX9919NASA+  
MAX9920ASA+  
50  
50  
Adjustable 8 SOIC-EP*  
45  
90  
8 SOIC-EP*  
8 SOIC-EP*  
50  
200  
Adjustable 8 SOIC-EP*  
Current Monitoring of Inductive Loads  
High- and Low-Side Precision Current Sensing  
4x4 Transmission Control  
Note: All devices operate over the -40°C to +125°C tempera-  
ture range.  
+Denotes a lead(Pb)-free/RoHS-compliant package.  
*EP = Exposed pad.  
Electronic Throttle Control  
Super-Capacitor Charge/Discharge Monitoring in  
Hybrid Cars  
Precision High-Voltage Current Monitoring  
Typical Operating Circuit  
V
V
CC  
CC  
V
BATT  
OUT  
FB  
φ2B  
φ1A  
MAX9918  
MAX9920  
A
ADC  
R
SENSE  
R2  
R1  
M
RS+  
INPUT STAGE  
LEVEL SHIFTER  
RS-  
REFIN  
REF  
ADJUSTABLE GAIN  
µC  
φ1B  
φ2B  
SHDN  
GND  
GND  
________________________________________________________________ Maxim Integrated Products  
1
For pricing, delivery, and ordering information, please contact Maxim Direct at 1-888-629-4642,  
or visit Maxim’s website at www.maxim-ic.com.  

MAX9919NASA+T 替代型号

型号 品牌 替代类型 描述 数据表
MAX9919NASA+ MAXIM

完全替代

-20V to +75V Input Range, Precision Uni-/Bidirectional, Current-Sense Amplifiers
MAX9919NASA/V+ MAXIM

完全替代

-20V to +75V Input Range, Precision Uni-/Bidirectional, Current-Sense Amplifiers
MAX9919NASA/V+T MAXIM

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