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LTC4307CDD#TRPBF

产品描述IC ACCELERATOR I2C HOTSWAP 8DFN
产品类别模拟混合信号IC    驱动程序和接口   
文件大小2MB,共2页
制造商Linear ( ADI )
官网地址http://www.analog.com/cn/index.html
标准
下载文档 详细参数 选型对比 全文预览

LTC4307CDD#TRPBF概述

IC ACCELERATOR I2C HOTSWAP 8DFN

LTC4307CDD#TRPBF规格参数

参数名称属性值
Brand NameLinear Technology
是否Rohs认证符合
厂商名称Linear ( ADI )
零件包装代码DFN
包装说明HVSON, SOLCC8,.11,20
针数8
制造商包装代码DD
Reach Compliance Codecompliant
ECCN代码EAR99
接口集成电路类型BUFFER OR INVERTER BASED PERIPHERAL DRIVER
JESD-30 代码S-PDSO-N8
JESD-609代码e3
长度3 mm
湿度敏感等级1
功能数量1
端子数量8
最高工作温度70 °C
最低工作温度
输出电流流向SOURCE
封装主体材料PLASTIC/EPOXY
封装代码HVSON
封装等效代码SOLCC8,.11,20
封装形状SQUARE
封装形式SMALL OUTLINE, HEAT SINK/SLUG, VERY THIN PROFILE
峰值回流温度(摄氏度)250
电源3.3 V
认证状态Not Qualified
座面最大高度0.8 mm
最大压摆率11 mA
最大供电电压5.5 V
最小供电电压2.3 V
标称供电电压3.3 V
表面贴装YES
技术CMOS
温度等级COMMERCIAL
端子面层Matte Tin (Sn)
端子形式NO LEAD
端子节距0.5 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 mm
Base Number Matches1

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2
C Quick Guide
I
SDA
SCL
MASTER
SLAVE
SLAVE
The I
2
C (inter-IC) bus is a 2-wire, multi-drop, digital communications link for ICs that has become the defacto standard for many embedded applications.
Serial, 8-bit, bidirectional data transfer can occur at speeds up to 3.4Mbps, though 400kHz is usually sufficient. Since only two bus lines are required, a
serial data line (SDA) and serial clock line (SCL), building a system with multiple master or slave devices is relatively simple. The number of I
2
C devices
that can be connected to a single I
2
C bus segment is limited only by a maximum bus capacitance (400pF) and address space.
I
2
C Standard
I
2
C vs SMBus vs PMBus
SMBus
Specification
Packet Error Checking (Optional)
Signaling
SMBALERT (Optional)
Block Size Limit
Data Rate (Standard Mode)
Data Rate (Fast Mode)
Data Rate (Fast Mode Plus)
Data Rate (High Speed Mode)
Timing
Clock Speed
Bus Timeout
Bus Master Request Delay (Min)
SCL Hold Time (Max)
Data Hold Time (Min)
Capacitance Load per Bus Segment (Max)
Rise Time (Max)
Pull-Up Current at 0.4V (Max)
Electrical
Leakage Current per Device (Max)
V
IL
Input Logic Low Threshold (Max)
V
IH
Input Logic High Threshold (Min)
V
OL
Output Logic Low Threshold (Max)
400kbps
1Mbps
3.4Mbps
0Hz to 3.4MHz
400pF
1µs at 100kHz, 300ns at 400kHz
3mA (Standard Mode and Fast Mode)
±10µA
0.3V
DD
or 1.5V
0.7V
DD
or 3V
0.4V
4mA
1µs
350µA
±5µA
0.8V
2.1V
I
2
C
32 bytes
100kbps
25ms to 35ms
50µs
2ms
300ns
400pF
1µs at 100kHz, 300ns at 400kHz
4mA
±10µA
400kbps
10kHz to 400kHz
High Power
Low Power
255 bytes
PMBus
10kHz to 100kHz
Frequently Asked Questions
Q1) How are I
2
C, SMBus and PMBus related?
Answer: Originally developed to facilitate battery management systems, SMBus uses I
2
C hardware but adds second-level software, which ultimately allows
devices to be hot swapped without restarting the system. PMBus extends SMBus by defining a set of device commands specifically designed to manage
power converters, exposing device attributes such as measured voltage, current, temperature and more. In general, I
2
C, SMBus and PMBus devices can
share a bus without any major issues.
Q2) How do I build a large system and still meet bus capacitance and rise time specifications?
Answer: Linear Technology’s bus buffers resolve common electrical limitations posed by specifications, thereby allowing more devices to be added to the
bus. These devices break up large busses into several smaller I
2
C compliant (<400pF) pieces, while still providing simultaneous communications to all bus
segments and optionally injecting a boosted pull-up current during positive bus transitions to quickly slew large bus capacitances.
Q3) How do I resolve a stuck bus?
Answer: Other than having a host try to manually fix a bus stuck low, Linear Technology’s bus buffers provide stuck bus protection which recovers a stuck
bus by automatically generating pulses on SCLOUT in an attempt to unstick the bus. Otherwise, a hard reset is required.
Q4) How do I increase the number of I
2
C addresses available?
Answer: Linear Technology’s address translators and software or hardware controlled I
2
C multiplexers provide the ability to address one of multiple
identical devices or simply increase fan-out, thus resolving address conflict issues, while also providing Hot Swap capabilities, bus buffering, rise time
acceleration and stuck bus protection.
L,
LT, LTC, LTM, Linear Technology and the Linear logo are registered trademarks of Analog Devices, Inc.
All other trademarks are the property of their respective owners.

LTC4307CDD#TRPBF相似产品对比

LTC4307CDD#TRPBF LTC4307CMS8#TRPBF LTC4307IMS8#TRPBF LTC4307IDD#PBF LTC4307CDD#PBF LTC4307IDD#TRPBF
描述 IC ACCELERATOR I2C HOTSWAP 8DFN IC ACCELERATOR I2C HOTSWAP 8MSOP IC ACCELERATOR I2C HOTSWAP 8MSOP IC ACCELERATOR I2C HOTSWAP 8DFN IC ACCELERATOR I2C HOTSWAP 8DFN IC ACCELERATOR I2C HOTSWAP 8DFN
Brand Name Linear Technology Linear Technology Linear Technology Linear Technology Linear Technology Linear Technology
是否Rohs认证 符合 符合 符合 符合 符合 符合
零件包装代码 DFN MSOP MSOP DFN DFN DFN
包装说明 HVSON, SOLCC8,.11,20 TSSOP, TSSOP8,.19 TSSOP, TSSOP8,.19 HVSON, SOLCC8,.11,20 HVSON, SOLCC8,.11,20 HVSON, SOLCC8,.11,20
针数 8 8 8 8 8 8
制造商包装代码 DD MS8 MS8 DD DD DD
Reach Compliance Code compliant compliant compliant compliant compliant compliant
ECCN代码 EAR99 EAR99 EAR99 EAR99 EAR99 EAR99
接口集成电路类型 BUFFER OR INVERTER BASED PERIPHERAL DRIVER BUFFER OR INVERTER BASED PERIPHERAL DRIVER BUFFER OR INVERTER BASED PERIPHERAL DRIVER BUFFER OR INVERTER BASED PERIPHERAL DRIVER BUFFER OR INVERTER BASED PERIPHERAL DRIVER BUFFER OR INVERTER BASED PERIPHERAL DRIVER
JESD-30 代码 S-PDSO-N8 S-PDSO-G8 S-PDSO-G8 S-PDSO-N8 S-PDSO-N8 S-PDSO-N8
JESD-609代码 e3 e3 e3 e3 e3 e3
长度 3 mm 3 mm 3 mm 3 mm 3 mm 3 mm
湿度敏感等级 1 1 1 1 1 1
功能数量 1 1 1 1 1 1
端子数量 8 8 8 8 8 8
最高工作温度 70 °C 70 °C 85 °C 85 °C 70 °C 85 °C
输出电流流向 SOURCE SOURCE SOURCE SOURCE SOURCE SOURCE
封装主体材料 PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY
封装代码 HVSON TSSOP TSSOP HVSON HVSON HVSON
封装等效代码 SOLCC8,.11,20 TSSOP8,.19 TSSOP8,.19 SOLCC8,.11,20 SOLCC8,.11,20 SOLCC8,.11,20
封装形状 SQUARE SQUARE SQUARE SQUARE SQUARE SQUARE
封装形式 SMALL OUTLINE, HEAT SINK/SLUG, VERY THIN PROFILE SMALL OUTLINE, THIN PROFILE, SHRINK PITCH SMALL OUTLINE, THIN PROFILE, SHRINK PITCH SMALL OUTLINE, HEAT SINK/SLUG, VERY THIN PROFILE SMALL OUTLINE, HEAT SINK/SLUG, VERY THIN PROFILE SMALL OUTLINE, HEAT SINK/SLUG, VERY THIN PROFILE
峰值回流温度(摄氏度) 250 260 250 260 250 260
电源 3.3 V 3.3 V 3.3 V 3.3 V 3.3 V 3.3 V
认证状态 Not Qualified Not Qualified Not Qualified Not Qualified Not Qualified Not Qualified
座面最大高度 0.8 mm 1.1 mm 1.1 mm 0.8 mm 0.8 mm 0.8 mm
最大压摆率 11 mA 11 mA 11 mA 11 mA 11 mA 11 mA
最大供电电压 5.5 V 5.5 V 5.5 V 5.5 V 5.5 V 5.5 V
最小供电电压 2.3 V 2.3 V 2.3 V 2.3 V 2.3 V 2.3 V
标称供电电压 3.3 V 3.3 V 3.3 V 3.3 V 3.3 V 3.3 V
表面贴装 YES YES YES YES YES YES
技术 CMOS CMOS CMOS CMOS CMOS CMOS
温度等级 COMMERCIAL COMMERCIAL INDUSTRIAL INDUSTRIAL COMMERCIAL INDUSTRIAL
端子面层 Matte Tin (Sn) Matte Tin (Sn) Matte Tin (Sn) Matte Tin (Sn) Matte Tin (Sn) Matte Tin (Sn)
端子形式 NO LEAD GULL WING GULL WING NO LEAD NO LEAD NO LEAD
端子节距 0.5 mm 0.65 mm 0.65 mm 0.5 mm 0.5 mm 0.5 mm
端子位置 DUAL DUAL DUAL DUAL DUAL DUAL
处于峰值回流温度下的最长时间 NOT SPECIFIED 30 NOT SPECIFIED 30 NOT SPECIFIED 30
宽度 3 mm 3 mm 3 mm 3 mm 3 mm 3 mm
厂商名称 Linear ( ADI ) Linear ( ADI ) Linear ( ADI ) - Linear ( ADI ) Linear ( ADI )
Base Number Matches 1 1 1 1 1 -
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