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參數(shù)資料
| 型號： | LTC487ISW#PBF |
| 廠商： | Linear Technology |
| 文件頁數(shù)： | 6/12頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC DVR RS485 LOW PWR QUAD 16SOIC |
| 標準包裝： | 47 |
| 類型： | 驅動器 |
| 驅動器/接收器數(shù)： | 4/0 |
| 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） |
| 供應商設備封裝： | 16-SOIC |
| 包裝： | 管件 |
LTC487
487fc
Dc elecTrical characTerisTics V
CC = 5V ± 5%, 0°C ≤ TA ≤ 70°C (Commercial), –40°C ≤ TA ≤ 85°C
(Industrial) (Notes 2, 3)
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.
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
VOD1
Differential Driver Output Voltage (Unloaded)
IO = 0
5
V
VOD2
Differential Driver Output Voltage (With Load)
R = 50
; (RS422)
2
V
R = 27
; (RS485) (Figure 3)
1.5
5
V
VOD
Change in Magnitude of Driver Differential
Output Voltage for Complementary Output States
R = 27
or R = 50
(Figure 3)
0.2
V
VOC
Driver Common Mode Output Voltage
3
V
VOC
Change in Magnitude of Driver Common Mode
Output Voltage for Complementary Output States
0.2
V
VIH
Input High Voltage
DI, EN12, EN34
2.0
V
VIL
Input Low Voltage
0.8
V
IIN1
Input Current
±2
A
ICC
Supply Current
No Load Output Enabled
110
200
A
Output Enabled
110
200
A
IOSD1
Driver Short-Circuit Current, VOUT = High
VO = –7V
100
250
mA
IOSD2
Driver Short-Circuit Current, VOUT = Low
VO = 12V
100
250
mA
IOZ
High Impedance State Output Current
VO = –7V to 12V
±10
±200
A
swiTching characTerisTics V
CC = 5V ± 5%, 0°C ≤ TA ≤ 70°C (Notes 2, 3)
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
tPLH
Driver Input to Output
RDIFF = 54, CL1 = CL2 = 100pF
10
30
50
ns
tPHL
Driver Input to Output
(Figures 1, 4)
10
30
50
ns
tSKEW
Driver Output to Output
5
15
ns
tr, tf
Driver Rise or Fall Time
5
20
25
ns
tZH
Driver Enable to Output High
CL = 100pF (Figures 2, 5) S2 Closed
35
70
ns
tZL
Driver Enable to Output Low
CL = 100pF (Figures 2, 5) S1 Closed
35
70
ns
tLZ
Driver Disable Time from Low
CL = 15pF (Figures 2, 5) S1 Closed
35
70
ns
tHZ
Driver Disable Time from High
CL = 15pF (Figures 2, 5) S2 Closed
35
70
ns
Note 2: All currents into device pins are positive; all currents out of
device pins are negative. All voltages are referenced to device GND unless
otherwise specified.
Note 3: All typicals are given for VCC = 5V and Temperature = 25°C.
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