參數(shù)資料
型號(hào): LTC1543IG
廠商: Linear Technology
文件頁(yè)數(shù): 3/20頁(yè)
文件大?。?/td> 0K
描述: IC TXRX SOFTWARE SELECTBL 28SSOP
標(biāo)準(zhǔn)包裝: 47
類型: 收發(fā)器
驅(qū)動(dòng)器/接收器數(shù): 3/3
電源電壓: 4.75 V ~ 5.25 V
安裝類型: 表面貼裝
封裝/外殼: 28-SSOP(0.209",5.30mm 寬)
供應(yīng)商設(shè)備封裝: 28-SSOP
包裝: 管件
11
LTC1543
sn1534 1543fas
APPLICATIO S I FOR ATIO
WU
UU
Figure 13. V.10 Receiver Input Impedance
V.11 (RS422) Interface
A typical V.11 balanced interface is shown in Figure 15. A
V.11 differential generator with outputs A and B with
ground C is connected to a differential receiver with
ground C
', inputs A' connected to A, B' connected to B. The
V.11 interface has a differential termination at the receiver
end that has a minimum value of 100
. The termination
resistor is optional in the V.11 specification, but for the
high speed clock and data lines, the termination is required
to prevent reflections from corrupting the data. The
receiver inputs must also be compliant with the imped-
ance curve shown in Figure 13.
In V.11 mode, all switches are off except S1 inside the
LTC1344A which connects a 103
differential termina-
tion impedance to the cable as shown in Figure 16.
Figure 16. V.11 Receiver Configuration
Figure 15. Typical V.11 Interface
Figure 14. V.10 Receiver Configuration
R3
124
R5
20k
LTC1344A
LTC1543
LTC1544
RECEIVER
1543 F16
A
B
A
'
B
'
C
'
R1
51.5
R8
6k
S2
S3
R2
51.5
R6
10k
R7
10k
GND
R4
20k
S1
AA
'
B
C
B
'
C
'
GENERATOR
BALANCED
INTERCONNECTING
CABLE
LOAD
CABLE
TERMINATION
RECEIVER
100
MIN
1543 F15
R5
20k
LTC1544
RECEIVER
1543 F14
A
B
A
'
B
'
C
'
R8
6k
S3
R6
10k
R7
10k
GND
R4
20k
IZ
VZ
–10V
–3.25mA
3.25mA
–3V
3V
10V
1543 F13
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