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ACS709LLFTR-35BB-T

更新时间： 2024-01-01 14:20:41
品牌 Logo 应用领域
急速微 - ALLEGRO 模拟IC传感器信号电路光电二极管信息通信管理PC
页数 文件大小 规格书
16页 467K
描述
High Bandwidth, Fast Fault Response Current Sensor IC In Thermally Enhanced Package

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ACS709LLFTR-35BB-T 技术参数

是否无铅： 不含铅是否Rohs认证： 符合
生命周期：Active零件包装代码：SSOP
包装说明：SSOP,针数：24
Reach Compliance Code：compliantHTS代码：8542.39.00.01
风险等级：1.51Samacsys Confidence：3
Samacsys Status：ReleasedSamacsys PartID：577773
Samacsys Pin Count：24Samacsys Part Category：Integrated Circuit
Samacsys Package Category：Small Outline PackagesSamacsys Footprint Name：24-Pin SOIC i
Samacsys Released Date：2017-01-10 14:38:01Is Samacsys：N
模拟集成电路 - 其他类型：ANALOG CIRCUITJESD-30 代码：R-PDSO-G24
JESD-609代码：e3长度：8.66 mm
湿度敏感等级：2功能数量：1
端子数量：24最高工作温度：150 °C
最低工作温度：-40 °C封装主体材料：PLASTIC/EPOXY
封装代码：SSOP封装形状：RECTANGULAR
封装形式：SMALL OUTLINE, SHRINK PITCH峰值回流温度（摄氏度）：260
认证状态：Not Qualified座面最大高度：1.75 mm
最大供电电压 (Vsup)：5.5 V最小供电电压 (Vsup)：3 V
标称供电电压 (Vsup)：5 V表面贴装：YES
技术：BICMOS温度等级：AUTOMOTIVE
端子面层：Matte Tin (Sn)端子形式：GULL WING
端子节距：0.635 mm端子位置：DUAL
处于峰值回流温度下的最长时间：40宽度：3.91 mm
Base Number Matches：1

ACS709LLFTR-35BB-T 数据手册

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ACS709  
High Bandwidth, Fast Fault Response Current Sensor IC  
In Thermally Enhanced Package  
Features and Benefits  
Description  
▪ Industry-leading noise performance with 120 kHz  
bandwidth through proprietary amplifier and filter  
design techniques  
TheAllegro® ACS709 current sensor IC provides economical  
andprecisemeansforcurrentsensingapplicationsinindustrial,  
automotive, commercial, and communications systems. The  
device is offered in a small footprint surface mount package  
that allows easy implementation in customer applications.  
▪ Integrated shield greatly reduces capacitive coupling  
from current conductor to die due to high dV/dt, and  
prevents offset drift in high-side applications  
▪ Small footprint surface mount QSOP24 package  
▪ 2100 VRMS isolation voltage between primary current  
path and sensor IC electronics  
▪ 1.1 mΩ primary conductor resistance for low power loss  
▪ User-settable Overcurrent Fault level  
▪ Overcurrent Fault signal typically responds to an  
overcurrent condition in < 2 μs  
TheACS709consistsofaprecisionlinearHallsensorintegrated  
circuit with a copper conduction path located near the surface  
of the silicon die. Applied current flows through the copper  
conduction path, and the analog output voltage from the Hall  
sensor IC linearly tracks the magnetic field generated by the  
applied current. The accuracy of the ACS709 is maximized  
with this patented packaging configuration because the Hall  
element is situated in extremely close proximity to the current  
to be measured.  
▪ Filter pin capacitor sets analog signal bandwidth  
▪ ±2% typical output error  
▪ 3 to 5.5 V, single supply operation  
▪ Factory trimmed sensitivity, quiescent output voltage,  
and associated temperature coefficients  
▪ Chopper stabilization results in extremely stable  
quiescent output voltage  
▪ Ratiometric output from supply voltage  
High level immunity to current conductor dV/dt and stray  
electric fields, offered byAllegro proprietary integrated shield  
technology, guarantees low output ripple and low offset drift  
in high-side applications.  
The voltage on the Overcurrent Input (VOC pin) allows  
customers to define an overcurrent fault threshold for the  
device.Whenthecurrentflowingthroughthecopperconduction  
path (between the IP+ and IP– pins) exceeds this threshold,  
Package: 24 pin QSOP (suffix LF)  
Continued on the next page…  
Approximate Scale  
Typical Application  
1
2
24  
IP+  
IP+  
IP+  
IP+  
IP+  
IP+  
IP–  
IP–  
IP–  
IP–  
IP–  
IP–  
NC  
NC  
VCC  
23  
22  
Fault_EN  
RH  
3
FAULT_EN  
VOC  
RH, RL Sets resistor divider reference for VOC  
4
21  
20  
19  
18  
17  
16  
15  
5
ACS709  
RL  
CF  
COC  
A
Noise and bandwidth limiting filter capacitor  
Fault delay setting capacitor, 22 nF maximum  
Use of capacitor required  
VCC  
FAULT  
VIOUT  
FILTER  
VZCR  
GND  
6
330 kΩ  
IP  
C
7
OC  
0.1 μF  
B
VIOUT  
8
9
C
Use of resistor optional  
B
F
10  
11  
12  
1 nF  
A
14  
13  
NC  
NC  
ACS709-DS  
1234567...16

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