参数资料
型号: SI8400AB-B-IS
厂商: Silicon Laboratories Inc
文件页数: 6/34页
文件大小: 0K
描述: IC ISOLATOR BIDIR I2C 8-SOIC
视频文件: Digital Isolation Overview
Digital Isolators vs. Optocouplers
标准包装: 96
输入 - 1 侧/2 侧: 2/2
通道数: 2
电源电压: 3 V ~ 5.5 V
电压 - 隔离: 2500Vrms
数据速率: 10Mbps
输出类型: 开路漏极
封装/外壳: 8-SOIC(0.154",3.90mm 宽)
供应商设备封装: 8-SOICN
包装: 管件
工作温度: -40°C ~ 125°C
配用: 336-1765-ND - KIT EVAL FOR SI84XXISO
Si840x
Table 3. Si8400/01/02/05 Electrical Characteristics for Bidirectional I 2 C Channels 1 (Continued)
3.0 V < VDD < 5.5 V. TA = –40 to +125 °C. Typical specs at 25 °C unless otherwise noted.
Parameter
Symbol
Test Condition
Min
Typ
Max
Unit
Timing Specifications (Measured at 1.40 V Unless Otherwise Specified)
Maximum I 2 C bus Frequency
Fmax
1.7
MHz
Propagation Delay
5 V Operation
Side A to side B rising 5
Side A to side B falling 5
Side B to side A rising
Side B to side A falling
3.3 V Operation
Side A to side B rising 5
Side A to side B falling 5
Side B to side A rising
Side B to side A falling
Tphab
Tplab
Tphba
Tplba
Tphab
Tplab
Tphba
Tplba
No bus capacitance,
R1 = 1400,
R2 = 499,
See Figure 2
R1 = 806
R2 = 499
25
15
20
9.0
28
13
20
10
29
22
30
12
35
18
40
15
ns
ns
ns
ns
ns
ns
ns
ns
Pulse width distortion
No bus capacitance,
5V
Side A low to Side B low 5
Side B low to Side A low
3.3 V
Side A low to Side B low 5
Side B low to Side A low
PWDAB
PWDBA
PWDAB
PWDBA
R1 = 1400,
R2 = 499,
See Figure 2
R1 = 806,
R2 = 499
9.0
11
15
11
15
20
22
30
ns
ns
ns
ns
Notes:
1. All voltages are relative to respective ground.
2. V IL < 0.450 V, V IH > 0.780 V.
3. Logic low output voltages are 910 mV max from –10 to 125 °C at 3.0 mA.
Logic low output voltages are 955 mV max from –40 to 125 °C at 3.0 mA.
Logic low output voltages are 825 mV max from –10 to 125 °C at 0.5 mA.
Logic low output voltages are 875 mV max from –40 to 125 °C at 0.5 mA.
See “AN375: Design Considerations for Isolating an I 2 C Bus or SMBus” for additional information.
4. I 2 C ? V (Side A) = I 2 CV OL (Side A) – I 2 CV T (Side A). To ensure no latch-up on a given bus, I 2 C ? V (Side A) is the
minimum difference between the output logic low level of the driving device and the input logic threshold.
5. Side A measured at 0.6 V.
6
Rev. 1.6
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