ELECTRICAL CHARACTERISTICS The denotes specifi" />
參數(shù)資料
型號(hào): LTC4305CGN#TR
廠商: Linear Technology
文件頁(yè)數(shù): 14/20頁(yè)
文件大小: 0K
描述: IC BUFFER BUS 2WR ADDRESS 16SSOP
產(chǎn)品培訓(xùn)模塊: LTC4310 - Hot-Swappable I²C Isolators
標(biāo)準(zhǔn)包裝: 2,500
應(yīng)用: 帶放大器的多路復(fù)用器
接口: SMBus(2 線/I²C)
電源電壓: 2.2 V ~ 5.5 V
封裝/外殼: 16-SSOP(0.154",3.90mm 寬)
供應(yīng)商設(shè)備封裝: 16-SSOP
包裝: 帶卷 (TR)
安裝類型: 表面貼裝
LTC4305
3
4305f
ELECTRICAL CHARACTERISTICS The denotes specifications which apply over the full specified temperature
range, otherwise specifications are at TA = 25°C. VCC = 3.3V unless otherwise noted.
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
Power Supply/Start-Up
VTH EN
ENABLE Falling Threshold Voltage
0.8
1.0
1.2
V
VEN HYST
ENABLE Threshold Hysteresis Voltage
60
mV
tPHL EN
ENABLE Delay, On-Off
60
ns
tPLH EN
ENABLE Delay, Off-On
20
ns
IIN EN
ENABLE Input Leakage Current
VENABLE = 0V, 5.5V, VCC = 5.5V
0.1
±1
A
VLOW READY
READY Pin Logic Low Output Voltage
IPULL-UP = 3mA, VCC = 2.7V
0.18
0.4
V
IOFF READY
READY Off State Input Leakage Current
VREADY = 0V, 5.5V, VCC = 5.5V
0
±1
A
ALERT
VALERT(OL)
ALERT Output Low Voltage
IALERT = 3mA, VCC = 2.7V
0.2
0.4
V
IOFF, ALERT
ALERT Off State Input Leakage Current
VALERT = 0V, 5.5V
0
±1
A
IIN, ALERT1–2
ALERT1–ALERT2 Input Current
VALERT1–2 = 0V, 5.5V
0
±1
A
VALERT1–2(IN)
ALERT1–ALERT2 Pin Input Falling
0.8
1.0
1.2
V
Threshold Voltages
VALERT1–2(HY)
ALERT1–ALERT2 Pin Input Threshold
80
mV
Hysteresis Voltages
Rise Time Accelerators
VSDA,SCL slew
Initial Slew Requirement to Activate
SDAIN, SCLIN, SDA1–2,
0.4
0.8
V/
s
Rise Time Accelerator Currents
SCL1–2 Pins
VRISE,DC
Rise Time Accelerator DC Threshold Voltage
SDAIN, SCLIN, SDA1–2,
0.7
0.8
1
V
SCL1–2 Pins
IBOOST
Rise Time Accelerator Pull-Up Current
SDAIN, SCLIN, SDA1–2,
4
5.5
mA
SCL1–2 Pins (Note 3)
Stuck Low Timeout Circuitry
VTIMER(L)
Stuck Low Falling Threshold Voltage
VCC = 2.7V, 5.5V
0.4
0.52
0.64
V
VTIMER(HYST)
Stuck Low Threshold Hysteresis Voltage
80
mV
TTIMER1
Timeout Time #1
TIMSET1,0 = 01
25
30
35
ms
TTIMER2
Timeout Time #2
TIMSET1,0 = 10
12.5
15
17.5
ms
TTIMER3
Timeout Time #3
TIMSET1,0 = 11
6.25
7.5
8.75
ms
Upstream-Downstream Buffers
VOS,BUF
Buffer Offset Voltage
RBUS = 10k, VCC = 2.7V, 5.5V (Note 4)
25
60
100
mV
VOS,UP-BUF
Upstream Buffer Offset Voltage
VCC = 2.7V, RBUS = 2.7k (Note 4)
40
80
120
mV
VIN,BUFFER = 0V
VCC = 5.5V, RBUS = 2.7k (Note 4)
70
110
150
mV
VOS,DOWN-BUF
Downstream Buffer Offset Voltage
VCC = 2.7V, RBUS = 2.7k (Note 4)
60
110
160
mV
VIN,BUFFER = 0V
VCC = 5.5V, RBUS = 2.7k (Note 4)
80
140
200
mV
VOL
Output Low Voltage, VIN,BUFFER = 0V
SDA, SCL Pins; ISINK = 4mA,
400
mV
VCC = 3V, 5.5V
VOL
Output Low Voltage, VIN,BUFFER = 0.2V
SDA, SCL Pins; ISINK = 500A,
320
mV
VCC = 2.7V, 5.5V
VIL,MAX
Buffer Input Logic Low Voltage
VCC = 2.7V, 5.5V
0.4
0.52
0.64
V
VTHSDA,SCL
Downstream SDA, SCL Logic Threshold Voltage
0.8
1.0
1.2
V
ILEAK
Input Leakage Current
SDA, SCL Pins;
±5
A
VCC = 0 to 5.5V;
Buffers Inactive
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