VCC
參數(shù)資料
型號： ADM3490EARZ
廠商： Analog Devices Inc
文件頁數(shù)： 16/20頁
文件大小： 0K
描述： IC TXRX RS-485 3.3V FD 8-SOIC
標準包裝： 98
類型： 收發(fā)器
驅(qū)動器/接收器數(shù)： 1/1
規(guī)程： RS422，RS485
電源電壓： 3 V ~ 3.6 V
安裝類型： 表面貼裝
封裝/外殼： 8-SOIC（0.154"，3.90mm 寬）
供應商設備封裝： 8-SO
包裝： 管件
產(chǎn)品目錄頁面： 790 (CN2011-ZH PDF)
ADM3483E/ADM3486E/ADM3488E/ADM3490E/ADM3491E
Rev. A | Page 5 of 20
DRIVER TIMING SPECIFICATIONS
VCC = 3.3 V, TA = 25°C.
Table 3. ADM3483E/ADM3488E
Parameter
Symbol
Min
Typ
Max
Unit
Test Conditions/Comments
MAXIMUM DATA RATE
250
kbps
DIFFERENTIAL OUTPUT DELAY
tDD
600
900
1400
ns
RL = 60 Ω (see Figure 10)
DIFFERENTIAL OUTPUT TRANSITION TIME
tTD
400
740
1200
ns
RL = 60 Ω (see Figure 10)
PROPAGATION DELAY
From Low to High Level
tPLH
700
930
1500
ns
RL = 27 Ω (see Figure 11)
From High to Low Level
tPHL
700
930
1500
ns
RL = 27 Ω (see Figure 11)
|tPLH tPHL| PROPAGATION DELAY SKEW1
tPDS
±50
ns
RL = 27 Ω (see Figure 11)
ENABLE/DISABLE TIMING (ADM3483E ONLY)
Enable Time to Low Level
tPZL
900
1300
ns
RL = 110 Ω (see Figure 13)
Enable Time to High Level
tPZH
600
800
ns
RL = 110 Ω (see Figure 12)
Disable Time from Low Level
tPLZ
50
80
ns
RL = 110 Ω (see Figure 13)
Disable Time from High Level
tPHZ
50
80
ns
RL = 110 Ω (see Figure 12)
Enable Time from Shutdown to Low Level
tPSL
1.9
2.7
μs
RL = 110 Ω (see Figure 13)
Enable Time from Shutdown to High Level
tPSH
2.2
3.0
μs
RL = 110 Ω (see Figure 12)
1 Measured on |tPLH (Y) tPHL (Y)| and |tPLH (Z) tPHL (Z)|.
VCC = 3.3 V, TA = 25°C.
Table 4. ADM3486E
Parameter
Symbol
Min
Typ
Max
Unit
Test Conditions/Comments
MAXIMUM DATA RATE
2.5
Mbps
DIFFERENTIAL OUTPUT DELAY
tDD
20
42
70
ns
RL = 60 Ω (see Figure 10)
DIFFERENTIAL OUTPUT TRANSITION TIME
tTD
15
28
60
ns
RL = 60 Ω (see Figure 10)
PROPAGATION DELAY
From Low to High Level
tPLH
20
42
75
ns
RL = 27 Ω (see Figure 11)
From High to Low Level
tPHL
20
42
75
ns
RL = 27 Ω (see Figure 11)
|tPLH tPHL| PROPAGATION DELAY SKEW1
tPDS
6
±12
ns
RL = 27 Ω (see Figure 11)
ENABLE/DISABLE TIMING
Enable Time to Low Level
tPZL
52
100
ns
RL = 110 Ω (see Figure 13)
Enable Time to High Level
tPZH
52
100
ns
RL = 110 Ω (see Figure 12)
Disable Time from Low Level
tPLZ
40
80
ns
RL = 110 Ω (see Figure 13)
Disable Time from High Level
tPHZ
40
80
ns
RL = 110 Ω (see Figure 12)
Enable Time from Shutdown to Low Level
tPSL
700
1000
ns
RL = 110 Ω (see Figure 13)
Enable Time from Shutdown to High Level
tPSH
700
1000
ns
RL = 110 Ω (see Figure 12)
1 Measured on |tPLH (Y) tPHL (Y)| and |tPLH (Z) tPHL (Z)|.
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ADM3490EARZ-REEL7 功能描述:IC TXRX RS485 3.3V FD 8-SOIC RoHS:是 類別:集成電路 (IC) >> 接口 - 驅(qū)動器，接收器，收發(fā)器 系列:- 標準包裝:121 系列:- 類型:收發(fā)器 驅(qū)動器/接收器數(shù):1/1 規(guī)程:RS422，RS485 電源電壓:3 V ~ 3.6 V 安裝類型:表面貼裝 封裝/外殼:10-WFDFN 裸露焊盤 供應商設備封裝:10-DFN（3x3） 包裝:管件
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