参数资料
型号: ADG729BRUZ
厂商: Analog Devices Inc
文件页数: 8/13页
文件大小: 0K
描述: IC MUX/DEMUX DUAL 4X1 16TSSOP
产品培训模块: Switch Fundamentals
标准包装: 96
功能: 多路复用器/多路分解器
电路: 2 x 4:1
导通状态电阻: 4.5 欧姆
电压电源: 单电源
电压 - 电源,单路/双路(±): 2.7 V ~ 5.5 V
电流 - 电源: 10µA
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 16-TSSOP(0.173",4.40mm 宽)
供应商设备封装: 16-TSSOP
包装: 管件
ADG728/ADG729
–4–
REV. C
TIMING CHARACTERISTICS
VDD = 2.7 V to 5.5 V. All specifications 40°C to +85°C, unless otherwise noted. See Figure 1.
Parameter
Limit at TMIN, TMAX
Unit
Test Conditions/Comments
fSCL
400
kHz max
SCL clock frequency
t1
2.5
s min
SCL cycle time
t2
0.6
s min
SCL high time, tHIGH
t3
1.3
s min
SCL low time, tLOW
t4
0.6
s min
Start/repeated start condition hold time, tHD, STA
t5
100
ns min
Data setup time, tSU, DAT
t61
0.9
s max
Data hold time, tHD, DAT
0
s min
t7
0.6
s min
Setup time for repeated start, tSU, STA
t8
0.6
s min
Stop condition setup time, tSU, STO
t9
1.3
s min
Bus free time between a stop condition and a start condition, tBUF
t10
300
ns max
Rise time of both SCL and SDA when receiving, tR
20 + 0.1Cb2
ns min
t11
250
ns max
Fall time of SDA when receiving, tF
300
ns max
Fall time of SDA when transmitting, tF
0.1Cb2
ns min
Cb2
400
pF max
Capacitive load for each bus line
tSP3
50
ns max
Pulse width of spike suppressed
1
A master device must provide a hold time of at least 300 ns for the SDA signal (referred to the VIH min of the SCL signal) to bridge the undefined region of the falling
edge of SCL.
2
Cb is the total capacitance of one bus line in pF. tR and tF measured between 0.3 VDD and 0.7 VDD.
3
Input filtering on both the SCL and SDA inputs suppress noise spikes that are less than 50 ns.
t3
t2
t1
t4
t8
t6
t5
t9
t7
t4
t11
t10
SDA
SCL
START
CONDITION
START
CONDITION
REPEATED
START
CONDITION
STOP
CONDITION
01002-
002
Figure 1. 2-Wire Serial Interface Timing Diagram
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