參數(shù)資料
型號: LT1791AHS#PBF
廠商: Linear Technology
文件頁數(shù): 13/16頁
文件大小: 0K
描述: IC TXRX RS485/RS422 60V 14-SOIC
標(biāo)準(zhǔn)包裝: 55
類型: 收發(fā)器
驅(qū)動器/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: 14-SOIC(0.154",3.90mm 寬)
供應(yīng)商設(shè)備封裝: 14-SOIC
包裝: 管件
LT1785/LT1785A/
LT1791/LT1791A
6
178591fc
TYPICAL PERFORMANCE CHARACTERISTICS
LT1785 Input Characteristics Pins
A or B; DE = RE = 0V
Supply Current vs Temperature
Receiver Propagation Delay
vs Differential Input Voltage
Driver Differential Output Voltage
vs Load Resistance
Driver Differential Output Voltage
vs Temperature
Receiver Propagation Delay
vs Temperature
Driver Propagation Delay
vs Temperature
LT1791 Driver Output Leakage
DE = 0V
LT1791 Receiver Input Current
vs VIN
LOAD RESISTANCE (Ω)
10
OUTPUT
VOL
TAGE
(V)
4
3
2
1
0
100
1k
178591 G01
TA = 25°C
TEMPERATURE (°C)
–40
DIFFERENTIAL
VOLTAGE
(V)
3.0
2.5
2.0
1.5
1.0
0.5
0
40
60
178591 G02
–20
20
80
100
R = 27Ω
TEMPERATURE (°C)
–40
DELAY
(ns)
1000
800
600
400
200
0
40
60
178591 G03
–20
20
80
100
tPLH
tPHL
TEMPERATURE (°C)
–40
PROPAGATION
DELAY
(ns)
1000
900
800
700
600
500
400
300
200
100
0
40
60
178591 G04
–20
20
80
100
HL
LH
1mA/DIV
178591 G05
–60V
VIN
60V
200μA/DIV
178591 G06
–60V
VIN
60V
1mA/DIV
178591 G07
–60V
VA, VB
60V
TEMPERATURE (°C)
–40
I CC
(mA)
7
6
5
4
3
2
1
0
40
60
178591 G08
–20
20
80
100
RECEIVER ONLY
STANDBY
DRIVER AND
RECEIVER ON
VIN DIFFERENTIAL (V)
0
DELAY
(ns)
700
600
500
400
300
200
100
0
178591 G09
2
5
1
34
HL VCM = 12V
HL VCM = –7V
LH VCM = –7V
LH VCM = 12V
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