参数资料
型号: ADM1075-2ARUZ
厂商: Analog Devices Inc
文件页数: 9/52页
文件大小: 0K
描述: IC CTRLR HOTSWAP -48V 28TSSOP
标准包装: 50
类型: 热交换控制器
应用: -48V 远程电力系统,高可用性,电信/数据通信系统
内部开关:
电流限制: 可调
电源电压: -35 V ~ -80 V
工作温度: -40°C ~ 105°C
安装类型: 表面贴装
封装/外壳: 28-TSSOP(0.173",4.40mm 宽)
供应商设备封装: 28-TSSOP
包装: 管件
Data Sheet
ADM1075
Parameter
Min
Typ
Max
Unit
Test Conditions/Comments
ADR PIN
See Table 6
Address Set to 00
Input Current for Address 00
0
?40
?22
0.8
V
μA
Connect to VEE
V ADR = 0 V to 0.8 V
Address Set to 01
Address Set to 10
Address Set to 11
Input Current for Address 11
135
?1
2.1
150
3
165
+1
10
k?
μA
V
μA
Resistor to VEE
No connect state; maximum leakage current allowed
Connect to VCAP
V ADR = 2.0 V to VCAP; must not exceed the maximum
allowable current draw from VCAP
SERIAL BUS DIGITAL INPUTS (SDAI/SDAO, SCL)
Input High Voltage, V IH
Input Low Voltage, V IL
1.1
0.8
V
V
Output Low Voltage, V OL
0.4
V
I OL = 4 mA, SDAO only
Input Leakage, I LEAK-PIN
?10
+10
μA
?5
+5
μA
Device is not powered
Nominal Bus Voltage, V DD
Capacitive Load per Bus Segment, C BUS
Capacitance for SDAI, SDAO, or SCL Pin, C PIN
Input Glitch Filter, t SP
2.7
0
5
5.5
400
50
V
pF
pF
ns
3 V to 5 V ±10%
SERIAL BUS TIMING
Table 2.
Parameter
Description
Min
Typ
Max
Unit
Test Conditions/Comments
f SCLK
t BUF
t HD;STA
t SU;STA
t SU;STO
Clock frequency
Bus free time
Start hold time
Start setup time
Stop setup time
1.3
0.6
0.6
0.6
400
kHz
μs
μs
μs
μs
t HD;DAT
t SU;DAT
t LOW
t HIGH
t R 2
t F
t OF
SDA 1 hold time
SDA 1 setup time
SCL low time
SCL high time
SCL, SDA 1 rise time
SCL, SDA 1 fall time
SCL, SDA 1 output fall time
300
100
1.3
0.6
20
20
20 + 0.1 × C BUS
900
300
300
250
ns
ns
μs
μs
ns
ns
ns
1
2
SDAI and SDAO tied together.
t R = (V IL(MAX) – 0.15) to (V IH3V3 + 0.15) and t F = 0.9 V DD to (V IL(MAX) – 0.15); where V IH3V3 = 2.1 V, and V DD = 3.3 V.
SCL
V IH
V IL
t LOW
t R
t F
t SU;STA
t SU;STO
SDA
V IH
V IL
t HD;DAT
t HD;STA
t HIGH
t SU;DAT
P
t BUF
S
S
P
Figure 2. Serial Bus Timing Diagram
Rev. C | Page 9 of 52
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