參數(shù)資料
型號: MXL1344ACAG+T
廠商: Maxim Integrated Products
文件頁數(shù): 8/12頁
文件大小: 0K
描述: IC CABLE TERM MP 24-SSOP
產(chǎn)品培訓模塊: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
標準包裝: 2,000
類型: 纜線
端子數(shù): 6
電源電壓: 4.5 V ~ 5.5 V
工作溫度: 0°C ~ 70°C
安裝類型: 表面貼裝
封裝/外殼: 24-SSOP(0.209",5.30mm 寬)
供應商設備封裝: 24-SSOP
包裝: 帶卷 (TR)
MXL1344A
+5V Multiprotocol, Software-Selectable
Cable Terminator
_______________________________________________________________________________________
5
VCM =
±7V OR ±2V
VDM =
±2V
RDM =
VDM
R2 = 52
R3 = 127
R1 = 52
S1 ON
A
I
B
S2 OFF
AMMETER
VCM =
±2V
R2 = 52
R3 = 127
R1 = 52
S1 ON
A
B
S2 ON
AMMETER
RCM =
VCM
I
Figure 1. V.11 or V.35 Differential Impedance Measurement
Figure 3. Block Diagram
Figure 2. V.35 Common-Mode Impedance Measurement
M2
12
34
5
6
5
2
1
24
23
22
21
4
6 7
9 10 16 15 18 17
14
19 20
3
8
11 12
13
VCC VEE
M1
M0
DCE/DTE
LATCH
MXL1344A
chipset must be used without substituting other manu-
facturer's parts on a chip-by-chip basis.
Termination Modes
The termination networks in the MXL1344A can be set
to one of three modes, V.11, V.35, or high impedance
(high-Z). As shown in Figure 4, in V.11 mode, switch S1
is closed and switch S2 is open, presenting 104
across terminals A and B. In V.35 mode, switches S1
and S2 are both closed, presenting a T-network with
104
differential impedance and 153 common-mode
impedance. In high-Z mode, switches S1 and S2 are
both open, presenting a high impedance across termi-
nals A and B suitable for V.28 and V.10 modes.
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