參數(shù)資料
型號： LTC489ISW#TRPBF
廠商： Linear Technology
文件頁數(shù)： 6/12頁
文件大小： 0K
描述： IC LINE RCVR RS485 QUAD 16-SOIC
標準包裝： 1,000
類型： 線路接收器
驅(qū)動器/接收器數(shù)： 0/4
規(guī)程： RS422，RS485
電源電壓： 4.75 V ~ 5.25 V
安裝類型： 表面貼裝
封裝/外殼： 16-SOIC（0.295"，7.50mm 寬）
供應(yīng)商設(shè)備封裝： 16-SOIC
包裝： 帶卷 (TR)
LTC488/LTC489
3
4889fb
DC ELECTRICAL CHARACTERISTICS
Note 1: Stresses beyond those listed under Absolute Maximum Ratings
may cause permanent damage to the device. Exposure to any Absolute
Maximum Rating condition for extended periods may affect device
reliability and lifetime.
The
l denotes the specications which apply over the full operating
temperature range, otherwise specications are at TA = 25°C. VCC = 5V (Notes 2, 3), unless otherwise noted.
ORDER INFORMATION
LEAD FREE FINISH
TAPE AND REEL
PART MARKING
PACKAGE DESCRIPTION
TEMPERATURE RANGE
LTC488CN#PBF
LTC488CN#TRPBF
LTC488CN
16-Lead Plastic DIP
0°C to 70°C
LTC488CSW#PBF
LTC488CSW#TRPBF
LTC488CSW
16-Lead Plastic SO
0°C to 70°C
LTC488IN#PBF
LTC488IN#TRPBF
LTC488IN
16-Lead Plastic DIP
–40°C to 85°C
LTC488ISW#PBF
LTC488ISW#TRPBF
LTC488ISW
16-Lead Plastic SO
–40°C to 85°C
LTC489CN#PBF
LTC489CN#TRPBF
LTC489CN
16-Lead Plastic DIP
0°C to 70°C
LTC489CSW#PBF
LTC489CSW#TRPBF
LTC489CSW
16-Lead Plastic SO
0°C to 70°C
LTC489IN#PBF
LTC489IN#TRPBF
LTC489IN
16-Lead Plastic DIP
–40°C to 85°C
LTC489ISW#PBF
LTC489ISW#TRPBF
LTC489ISW
16-Lead Plastic SO
–40°C to 85°C
Consult LTC Marketing for parts specied with wider operating temperature ranges.
Consult LTC Marketing for information on non-standard lead based nish parts.
For more information on lead free part marking, go to: http://www.linear.com/leadfree/
For more information on tape and reel specications, go to: http://www.linear.com/tapeandreel/
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
VINH
Input High Voltage
EN, EN, EN12, EN34
l
2.0
V
VINL
Input Low Voltage
EN, EN, EN12, EN34
l
0.8
V
IIN1
Input Current
EN, EN, EN12, EN34
l
±2
μA
IIN2
Input Current (A, B)
VCC = 0V or 5.25V, VIN = 12V
VCC = 0V or 5.25V, VIN = – 7V
l
1.0
–0.8
mA
VTH
Differential Input Threshold Voltage for Receiver
–7V ≤ VCM ≤ 12V
l
–0.2
0.2
V
ΔVTH
Receiver Input Hysteresis
VCM = 0V
60
mV
VOH
Receiver Output High Voltage
IO = –4mA, VID = 0.2V
l
3.5
V
VOL
Receiver Output Low Voltage
IO = 4mA, VID = –0.2V
l
0.4
V
IOZR
Three-State Output Current at Receiver
VCC = Max 0.4V ≤ VO ≤ 2.4V
l
±1
μA
ICC
Supply Current
No Load, Digital Pins = GND or VCC
l
710
mA
RIN
Receiver Input Resistance
–7V ≤ VCM ≤ 12V, VCC = 0V
l
12
kΩ
IOSR
Receiver Short-Circuit Current
0V ≤ VO ≤ VCC
l
785
mA
tPLH
Receiver Input to Output
CL = 15pF (Figures 1, 3)
l
12
28
55
ns
tPHL
Receiver Input to Output
CL = 15pF (Figures 1, 3)
l
12
28
55
ns
tSKD
| tPLH – tPHL |
Differential Receiver Skew
CL = 15pF (Figures 1, 3)
4
ns
Note 2: All currents into device pins are positive; all currents out of device
pins are negative. All voltages are referenced to device ground unless
otherwise specied.
Note 3: All typicals are given for VCC = 5V and TA = 25°C.
The
l denotes the specications which apply over the full operating temperature range, otherwise specications are at TA = 25°C.
VCC = 5V ± 5% (Notes 2, 3), unless otherwise noted.
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
tZL
Receiver Enable to Output Low
CL = 15pF (Figures 2, 4) S1 Closed
l
30
60
ns
tZH
Receiver Enable to Output High
CL = 15pF (Figures 2, 4) S2 Closed
l
30
60
ns
tLZ
Receiver Disable from Low
CL = 15pF (Figures 2, 4) S1 Closed
l
30
60
ns
tHZ
Receiver Disable from High
CL = 15pF (Figures 2, 4) S2 Closed
l
30
60
ns
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