參數(shù)資料
型號(hào): LTC1482IS8#PBF
廠商: Linear Technology
文件頁數(shù): 13/16頁
文件大?。?/td> 0K
描述: IC TXRX RS485 LOWPWR 8-SOIC
標(biāo)準(zhǔn)包裝: 100
類型: 收發(fā)器
驅(qū)動(dòng)器/接收器數(shù): 1/1
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: 8-SOIC(0.154",3.90mm 寬)
供應(yīng)商設(shè)備封裝: 8-SOIC
包裝: 管件
6
LTC1482
TYPICAL PERFOR A CE CHARACTERISTICS
UW
Receiver Output High Voltage vs
Temperature
Carrier Detect Output High
Voltage vs Temperature
Receiver and Carrier Detect
Output Low Voltage vs
Temperature
Receiver Propagation Delay vs
Temperature
Receiver Skew vs Temperature
Receiver Propagation Delay vs
Supply Voltage
Receiver Short-Circuit Current vs
Temperature
Supply Current vs Temperature
Logic Input Threshold vs
Temperature
TEMPERATURE (
°C)
–55 –35 –15
5
25
45
65
85 105 125
CARRIER
DETECT
OUTPUT
HIGH
VOLTAGE
(V)
1482 G14
4.00
3.95
3.90
3.85
3.80
3.75
3.70
3.65
3.60
3.55
3.50
VCC = 4.75V
IOUT = 10A
VOH
TEMPERATURE (
°C)
–55 –35 –15
5
25
45
65
85 105 125
RECEIVER
AND
CARRIER
DETECT
OUTPUT
LOW
VOLTAGE
1482 G15
0.50
0.45
0.40
0.35
0.30
0.25
0.20
0.15
0.10
0.05
0
VCC = 4.75V
IOUT = 8mA
TEMPERATURE (
°C)
–55 –35 –15
5
25
45
65
85 105 125
RECEIVER
PROPAGATION
DELAY
(ns)
1482 G16
200
180
160
140
120
100
80
60
40
20
0
VCC = 5V
tPLH
tPHL
TEMPERATURE (
°C)
–55 –35 –15
5
25
45
65
85 105 125
RECEIVER
SKEW
(ns)
1482 G17
30
25
20
15
10
5
0
VCC = 5V
|tPLH – tPHL|
SUPPLY VOLTAGE (V)
4.5
4.75
5
5.25
5.5
RECEIVER
PROPAGATION
DELAY
(ns)
1482 G18
150
140
130
120
110
100
TA = 25°C
tPLH
tPHL
TEMPERATURE (
°C)
–55 –35 –15
5
25
45
65
85 105 125
RECEIVER
SHORT-CIRCUIT
CURRENT
(mA)
1482 G19
100
90
80
70
60
50
40
30
20
10
0
VCC = 5.25V
OUTPUT LOW
SHORT TO VCC
OUTPUT HIGH
SHORT TO GROUND
TEMPERATURE (
°C)
–55 –30 –5
20
45
70
95 120 145 170
SUPPLY
CURRENT
(
A)
1482 G20
1000
900
800
700
600
500
400
300
200
100
0
VCC = 5V
DRIVER ENABLED
NO LOAD
THERMAL SHUTDOWN
WITH DRIVER
ENABLED
DRIVER DISABLED
TEMPERATURE (
°C)
–55
LOGIC
INPUT
THRESHOLD
VOLTAGE
(V)
1482 G21
2.00
1.95
1.90
1.85
1.80
1.75
1.70
1.65
1.60
1.55
1.50
VCC = 5.25V
VCC = 4.75V
VCC = 5V
–35 –15
5
25
45
65
85 105 125
TEMPERATURE (
°C)
–55 –35 –15
5
25
45
65
85 105 125
OUTPUT
VOLTAGE
(V)
1482 G13
4.8
4.6
4.4
4.2
4.0
3.8
3.6
3.4
3.2
3.0
VCC = 4.75V
I = 8mA
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