參數(shù)資料
型號： ISL3331IRZ
廠商： Intersil
文件頁數(shù)： 25/25頁
文件大小： 0K
描述： IC TXRX 3.3V RS232/485 40-QFN
產(chǎn)品培訓模塊： Solutions for Industrial Control Applications
標準包裝： 50
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： 3.15 V ~ 3.45 V
安裝類型： 表面貼裝
封裝/外殼： 40-VFQFN 裸露焊盤
供應商設(shè)備封裝： 40-QFN 裸露焊盤（6x6）
包裝： 管件
9
FN6361.0
May 20, 2008
RS-232 DRIVER and RECEIVER SWITCHING CHARACTERISTICS (485/232 = 0V, 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
-
20
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
-
300
450
ns
Driver Enable Time
tDEN
25
-
1200
-
ns
Driver Disable Time
tDDIS
RL =5kΩ, Measured at VOUT = ±3V
25
-
500
-
ns
Driver Enable Time from Shutdown
tDENSD
VOUT = ±3.0V (Note 14)
25
-
25
-
s
Driver Maximum Data Rate
DRD
RL =3kΩ, CL = 1000pF, One Transmitter
Switching
Full
250
400
-
kbps
Receiver Propagation Delay
tRPHL
CL = 15pF (Figure 7)
Full
-
40
120
ns
tRPLH
Full
-
60
120
ns
Receiver Propagation Delay Skew
tRSKEW tRPHL - tRPLH (Figure 7)
Full
-
20
40
ns
Receiver Maximum Data Rate
DRR
CL = 15pF
Full
0.46
2
-
Mbps
Receiver Enable to Output Low
tZL
CL = 15pF, SW = VCC (Figure 5)
Full
-
18
-
ns
Receiver Enable to Output High
tZH
CL = 15pF, SW = GND (Figure 5)
Full
-
18
-
ns
Receiver Disable from Output Low
tLZ
CL = 15pF, SW = VCC (Figure 5)
Full
-
22
-
ns
Receiver Disable from Output High
tHZ
CL = 15pF, SW = GND (Figure 5)
Full
-
22
-
ns
Receiver Enable from Shutdown to
Output Low
tZLSHDN CL = 15pF, SW = VCC (Figure 5, Note 14)25
-
60
-
ns
Receiver Enable from Shutdown to
Output High
tZHSHDN CL = 15pF, SW = GND (Figure 5, Note 14)25
-
20
-
ns
RS-485 DRIVER SWITCHING CHARACTERISTICS (FAST DATA RATE (20Mbps), 485/232 = VCC, SLEW = VCC, ALL VERSIONS)
Driver Differential Input to Output
Delay
tDLH, tDHL RDIFF = 54Ω, CL = 100pF (Figure 2)
Full
10
20
35
ns
Driver Output Skew
tSKEW
RDIFF = 54Ω, CL = 100pF (Figure 2)
Full
-
2
10
ns
Driver Differential Rise or Fall Time
tR, tF
RDIFF = 54Ω, CL = 100pF (Figure 2)
Full
3
20
30
ns
Driver Enable to Output Low
tZL
CL = 100pF, SW = VCC (Figure 3)
Full
-
28
60
ns
Driver Enable to Output High
tZH
CL = 100pF, SW = GND (Figure 3)
Full
-
39
60
ns
Driver Disable from Output Low
tLZ
CL = 15pF, SW = VCC (Figure 3)
Full
-
30
60
ns
Driver Disable from Output High
tHZ
CL = 15pF, SW = GND (Figure 3)
Full
-
25
60
ns
Driver Enable from Shutdown to
Output Low
tZL(SHDN) RL = 500Ω, CL = 100pF, SW = VCC
(Figure 3, Note
Full
-
100
250
ns
Driver Enable from Shutdown to
Output High
tZH(SHDN) RL = 500Ω, CL = 100pF, SW = GND
(Figure 3, Note
Full
-
290
375
ns
Driver Maximum Data Rate
fMAX
RDIFF = 54Ω, CL = 100pF (Figure 2)
Full
20
35
-
Mbps
RS-485 DRIVER SWITCHING CHARACTERISTICS (MEDIUM DATA RATE (460kbps), 485/232 = VCC, SLEW = 0V, SPB (QFN Only) = VCC, ALL
VERSIONS)
Driver Differential Input to Output
Delay
tDLH, tDHL RDIFF = 54Ω, CL = 100pF (Figure 2)
Full
200
500
1000
ns
Driver Output Skew
tSKEW
RDIFF = 54Ω, CL = 100pF (Figure 2)
Full
-
10
150
ns
Driver Differential Rise or Fall Time
tR, tF
RDIFF = 54Ω, CL = 100pF (Figure 2)
Full
300
660
1100
ns
Electrical Specifications
Test Conditions: VCC = 3.15V to 3.45V, C1 to C4 = 0.1F, VL = VCC (for QFN only), Unless Otherwise Specified.
Typicals are at VCC = 3.3V, TA = +25°C (Note 9) (Continued)
PARAMETER
SYMBOL
TEST CONDITIONS
TEMP
(°C)
MIN
(Note 15)
TYP
MAX
(Note 15) UNITS
ISL3330, ISL3331
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