参数资料
型号: LTC4307IDD#PBF
厂商: Linear Technology
文件页数: 2/16页
文件大小: 176K
描述: IC BUS BUFFER I2C 8-DFN
产品培训模块: LTC4310 - Hot-Swappable I²C Isolators
标准包装: 121
类型: 热交换开关
应用: 通用型缓冲器/总线扩展器
内部开关:
电源电压: 2.3 V ~ 5.5 V
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 8-WFDFN 裸露焊盘
供应商设备封装: 8-DFN-EP(3x3)
包装: 管件
LTC4307
2
4307f
V
CC
 to GND .................................................  0.3V to 6V
SDAIN, SCLIN, SDAOUT, SCLOUT,
READY, ENABLE .......................................... 0.3V to 6V
Maximum Sink Current (SDAIN, SCLIN, SDAOUT,
SCLOUT, READY) .............................................. 50mA
Operating Temperature Range
   LTC4307C ................................................0癈 to 70癈
   LTC4307I ............................................. 40癈 to 85癈
ORDER PART
NUMBER
DD PART*
MARKING
T
JMAX
 = 125癈, ?/DIV>
JA
 = 43癈/W
EXPOSED PAD (PIN 9) CONNECTION TO GND IS OPTIONAL
Consult LTC Marketing for parts speci ed with wider operating temperature ranges. *The temperature grade is identi ed by a label on the shipping container.
LBTW
LBTW
LTC4307CDD
LTC4307IDD
(Notes 1, 7)
 
The ?/SPAN> denotes the speci cations which apply over the full operating
temperature range, otherwise speci cations are at T
A
 = 25癈. V
CC
 = 3.3V, unless otherwise noted.
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
Power Supply
V
CC
Positive Supply Voltage
?/DIV>
2.3
5.5
V
I
CC
Supply Current
V
CC
 = 5.5V, V
SCLOUT
 = V
SDAOUT
 = 0V (Note 6)   ?/SPAN>
8
11
mA
I
SD
Shutdown Supply Current
V
CC
 = 5.5V, ENABLE = GND, SDA, SCL = 5.5V
?/DIV>
900
1200
V
PRE
Precharge Voltage
SDA, SCL Floating
?/DIV>
0.8
1
1.2
V
t
IDLE
Bus Idle Time
?/DIV>
55
95
175
V
THR_ENABLE
ENABLE Threshold
0.8
1.4
2
V
I
ENABLE
ENABLE Input Current
ENABLE from 0V to V
CC
?/DIV>
0.1
?
t
PLH_EN
ENABLE Delay Off-On
V
CC
 = 3.3V (Figure 1)
95
t
PHL_EN
ENABLE Delay On-Off
V
CC
 = 3.3V (Note 3) (Figure 1)
10
ns
t
PLH_READY
 
READY Delay Off-On
V
CC
 = 3.3V (Note 3) (Figure 1)
10
ns
t
PHL_READY
READY Delay On-Off
V
CC
 = 3.3V (Note 3) (Figure 1)
10
ns
V
OL_READY
READY Output Low Voltage
I
PULLUP
 = 3mA, V
CC
 = 2.3V
?/DIV>
0.4
V
I
OFF_READY
READY Off Leakage Current
V
CC
 = READY = 5.5V
?/DIV>
0.1
?
ELECTRICAL CHARACTERISTICS
ABSOLUTE   AXI  U   RATI  GS
W
W
U
PACKAGE/ORDER I  FOR  ATIO
U
W
Storage Temperature Range
   DFN ....................................................65癈 to 125癈
   MSOP ................................................65癈 to 150癈
Lead Temperature (Soldering, 10 sec)
   MSOP ...............................................................300癈
TOP VIEW
9
DD PACKAGE
8-LEAD (3mm ?3mm) PLASTIC DFN
5
6
7
8
4
3
2
1
ENABLE
SCLOUT
SCLIN
GND
V
CC
SDAOUT
SDAIN
READY
ORDER PART
NUMBER
MS8 PART*
MARKING
LTC4307CMS8
LTC4307IMS8
LTBTV
LTBTV
1
2
3
4
ENABLE
SCLOUT
SCLIN
GND
8
7
6
5
V
CC
SDAOUT
SDAIN
READY
TOP VIEW
MS8 PACKAGE
8-LEAD PLASTIC MSOP
T
JMAX
 = 125癈, ?/DIV>
JA
 = 200癈/W
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