参数资料
| 型号： | LTC4315IMS#TRPBF |
| 厂商： | Linear Technology |
| 文件页数： | 14/20页 |
| 文件大小： | 0K |
| 描述： | IC 2WIRE BUS BUFFER 12MSOP |
| 标准包装： | 2,500 |
| 类型： | 2线总线缓冲器 |
| Tx/Rx类型： | I²C Logic |
| 电容 - 输入： | 10pF |
| 电源电压： | 2.9 V ~ 5.5 V |
| 电流 - 电源： | 8.1mA |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 12-TSSOP（0.118"，3.00mm 宽） |
| 供应商设备封装： | 12-MSOP |
| 包装： | 带卷 (TR) |
LTC4315
3
4315f
ELECTRICAL CHARACTERISTICS
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
Power Supply/Start-Up
VCC
Input Supply Voltage
l
2.9
5.5
V
VDD,BUS
2-Wire Bus Supply Voltage
(Note 3)
l
1.4
5.5
V
VCC2
Output Side Accelerator
Supply Voltage
l
2.25
5.5
V
ICC
Input Supply Current
VENABLE = VCC = VCC2 = 5.5V, VSDAIN,SCLIN = 0V (Note 4)
l
6
8.1
10
mA
ICC(DISABLED)
Input Supply Current
VENABLE = 0V, VCC = VCC2 = 5.5V, VSDAIN,SCLIN = 0V
l
2.3
3.3
4.3
mA
ICC2
VCC2 Supply Current
VENABLE = VCC = VCC2 = 5.5V, VSDAIN,SCLIN = 0V (Note 4)
l
0.2
0.31
0.4
mA
ICC2(DISABLED) VCC2 Supply Current
VENABLE = 0V, VCC = VCC2 = 5.5V, VSDAIN,SCLIN = 0V
l
0.15
0.25
0.35
mA
VTH_UVLO
VCC UVLO Threshold
VCC Rising
l
2.55
2.7
2.85
V
VCC_UVLO(HYST) UVLO Threshold Hysteresis
Voltage
200
mV
VPRE
Precharge Voltage
SDA, SCL Pins Open
l
0.8
1
1.2
V
Buffers
VOS(SAT)
Buffer Offset Voltage
IOL = 4mA, Driven VSDA,SCL = 50mV
l
100
190
280
mV
IOL = 500μA, Driven VSDA,SCL = 50mV
l
15
60
120
mV
VOS
Buffer Offset Voltage
IOL = 4mA, Driven VSDA,SCL = 200mV
l
50
120
180
mV
IOL = 500μA, Driven VSDA,SCL = 200mV
l
15
60
115
mV
VIL(FALLING)
Buffer Input Logic Low
Voltage
(Notes 5 and 6)
l 0.3 VMIN 0.33VMIN 0.36VMIN
V
VIL(HYST)
VIL Hysteresis Voltage
50
mV
ILEAK
Input Leakage Current
SDA, SCL Pins = 5.5V, VCC = 5.5V, 0V
l
±10
μA
CIN
Input Capacitance
SDA, SCL Pins (Note 7)
l
10
pF
Rise Time Accelerators
dV
dt (RTA)
Minimum Slew Rate
Requirement
SDA, SCL Pins, VCC = VCC2 = 5V
l
0.1
0.2
0.4
V/μs
VRTA(TH)
Rise Time Accelerator DC
Threshold Voltage
VCC = VCC2 = 5V (Note 5)
l 0.38VMIN 0.41VMIN 0.44VMIN
V
ΔVACC
Buffers Off to Accelerator On
Voltage
SDA, SCL Pins, VCC = VCC2 = 5V (Note 5)
l 0.05VMIN 0.07VMIN
V
IRTA
Rise Time Accelerator Pull-Up
Current
SDA, SCL Pins
ACC Grounded, VCC = VCC2 = 5V (Note 8)
l
15
25
40
mA
ACC Open, VCC = VCC2 = 5V (Note 8)
l
1.5
2.5
3.5
mA
Enable/Control
VEN(TH)
ENABLE Threshold Voltage
l
1
1.4
1.8
V
VDISCEN(TH)
DISCEN Threshold Voltage
l
1
1.4
1.8
V
ILEAK
Input Leakage Current
DISCEN, ENABLE Pins, VCC = 5.5V
l
0.1
±1
μA
VACC(L,TH)
ACC Input Low Threshold
Voltage
VCC = 5V
l
0.2 VCC
0.3 VCC 0.4 VCC
V
VACC(H,TH)
ACC Input High Threshold
Voltage
VCC = 5V
l
0.7 VCC
0.8 VCC 0.9 VCC
V
IACC(IN,HL)
ACC High, Low Input Current
VCC = VCC2 = 5V, VACC = 5V, 0V
l
±23
±40
μA
The
l denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at TA = 25°C. VCC = VCC2 = 3.3V unless otherwise noted.
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