參數(shù)資料
型號： ISL41334IRZ-T7A
廠商： Intersil
文件頁數(shù)： 28/28頁
文件大?。?/td> 0K
描述： IC TXRX RS232/485 DL 2PRT 40QFN
產(chǎn)品培訓(xùn)模塊： Solutions for Industrial Control Applications
標(biāo)準(zhǔn)包裝： 250
類型： 收發(fā)器
驅(qū)動器/接收器數(shù)： 2/2
規(guī)程： RS232，RS422，RS485
電源電壓： 4.5 V ~ 5.5 V
安裝類型： 表面貼裝
封裝/外殼： 40-VFQFN 裸露焊盤
供應(yīng)商設(shè)備封裝： 40-QFN 裸露焊盤（6x6）
包裝： 帶卷 (TR)
9
FN6202.3
November 21, 2007
RS-232 DRIVER AND RECEIVER SWITCHING CHARACTERISTICS (SEL = GND, ALL VERSIONS AND SPEEDS)
Driver Output Transition Region
Slew Rate
SR
RL =3kΩ, Measured From
3V to -3V or -3V to 3V
CL ≥ 15pF
Full
-
18
30
V/s
CL ≤ 2500pF
Full
4
12
-
V/s
Driver Output Transition Time
tr, tf
RL =3kΩ, CL = 2500pF, 10% to 90%
Full
0.22
1.2
3.1
s
Driver Propagation Delay
tDPHL
RL =3kΩ, CL = 1000pF (Figure 6)
Full
-
1
2
s
tDPLH
Full
-
1.2
2
s
Driver Propagation Delay Skew
tDSKEW
tDPHL - tDPLH (Figure 6)
Full
-
240
400
ns
Driver Enable Time from Shutdown
tDENSD
VOUT = ±3.0V
25
-
20
-
s
Driver Maximum Data Rate
DRD
RL =3kΩ, CL = 1000pF, One Transmitter
Switching per port
Full
460
650
-
kbps
Receiver Propagation Delay
tRPHL
CL = 15pF (Figure 7)
Full
-
50
120
ns
tRPLH
Full
-
40
120
ns
Receiver Propagation Delay Skew
tRSKEW
tRPHL - tRPLH (Figure 7)
Full
-
10
40
ns
Receiver Maximum Data Rate
DRR
CL = 15pF
Full
0.46
2
-
Mbps
RS-485 DRIVER SWITCHING CHARACTERISTICS (FAST DATA RATE (20Mbps), SEL = VCC, ALL VERSIONS (SPA = VCC if QFN))
Driver Differential Input to Output
Delay
tDLH,
tDHL
RDIFF = 54Ω, CL = 100pF (Figure 2)
Full
15
30
50
ns
Driver Output Skew
tSKEW
RDIFF = 54Ω, CL = 100pF (Figure 2)
Full
-
3
10
ns
Driver Differential Rise or Fall Time
tR, tF
RDIFF = 54Ω, CL = 100pF (Figure 2)
Full
3
11
20
ns
Driver Enable to Output Low
tZL
CL = 100pF, SW = VCC (Figure 3)
Full
-
27
60
ns
Driver Enable to Output High
tZH
CL = 100pF, SW = GND (Figure 3)
Full
-
24
60
ns
Driver Disable from Output Low
tLZ
CL = 15pF, SW = VCC (Figure 3)
Full
-
31
60
ns
Driver Disable from Output High
tHZ
CL = 15pF, SW = GND (Figure 3)
Full
-
24
60
ns
Driver Enable from Shutdown to
Output Low
tZL(SHDN) RL = 500Ω, CL = 100pF, SW = VCC (Figure 3)
Full
-
65
250
ns
Driver Enable from Shutdown to
Output High
tZH(SHDN) RL = 500Ω, CL = 100pF, SW = GND (Figure 3)
Full
-
152
250
ns
Driver Maximum Data Rate
fMAX
RDIFF = 54Ω, CL = 100pF (Figure 2)
Full
-
30
-
Mbps
RS-485 DRIVER SWITCHING CHARACTERISTICS (MEDIUM DATA RATE (460kbps, QFN ONLY), SEL = VCC, SPA = SPB = GND)
Driver Differential Input to Output
Delay
tDLH,
tDHL
RDIFF = 54Ω, CL = 100pF (Figure 2)
Full
200
490
1000
ns
Driver Output Skew
tSKEW
RDIFF = 54Ω, CL = 100pF (Figure 2)
Full
-
110
400
ns
Driver Differential Rise or Fall Time
tR, tF
RDIFF = 54Ω, CL = 100pF (Figure 2)
Full
300
600
1100
ns
Driver Enable to Output Low
tZL
CL = 100pF, SW = VCC (Figure 3)
Full
-
30
300
ns
Driver Enable to Output High
tZH
CL = 100pF, SW = GND (Figure 3)
Full
-
128
300
ns
Driver Disable from Output Low
tLZ
CL = 15pF, SW = VCC (Figure 3)
Full
-
31
60
ns
Driver Disable from Output High
tHZ
CL = 15pF, SW = GND (Figure 3)
Full
-
24
60
ns
Driver Enable from Shutdown to
Output Low
tZL(SHDN) RL = 500Ω, CL = 100pF, SW = VCC (Figure 3)
Full
-
65
500
ns
Driver Enable from Shutdown to
Output High
tZH(SHDN) RL = 500Ω, CL = 100pF, SW = GND (Figure 3)
Full
-
255
500
ns
Electrical Specifications
Test Conditions: VCC = 4.5V to 5.5V, C1 - C4 = 0.1F, VL = VCC (for QFN only); Unless Otherwise Specified.
Typicals are at VCC = 5V, TA = +25°C (Note 6). (Continued)
PARAMETER
SYMBOL
TEST CONDITIONS
TEMP
(°C)
MIN
(Note 11)
TYP
MAX
(Note 11) UNITS
ISL81334, ISL41334
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