參數(shù)資料
型號(hào): MAX9209GUM+D
廠商: Maxim Integrated Products
文件頁(yè)數(shù): 5/18頁(yè)
文件大小: 0K
描述: IC PROG DC-BAL 21BIT SER 48TSSOP
其它有關(guān)文件: Automotive Product Guide
產(chǎn)品培訓(xùn)模塊: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
標(biāo)準(zhǔn)包裝: 39
功能: 串行器
數(shù)據(jù)速率: 1.785Gbps
輸入類(lèi)型: LVTTL/LVCMOS
輸出類(lèi)型: LVDS
輸入數(shù): 21
輸出數(shù): 3
電源電壓: 3 V ~ 3.6 V
工作溫度: -40°C ~ 85°C
安裝類(lèi)型: 表面貼裝
封裝/外殼: 48-TFSOP(0.240",6.10mm 寬)
供應(yīng)商設(shè)備封裝: 48-TSSOP
包裝: 管件
MAX9209/MAX9213
Programmable DC-Balanced
21-Bit Serializers
______________________________________________________________________________________
13
Common-mode voltage differences may be due to
ground potential variation or common-mode noise. If
there is more than
±1V of difference, the receiver is not
guaranteed to read the input signal correctly and may
cause bit errors. AC-coupling filters low-frequency
ground shifts and common-mode noise and passes
high-frequency data. A common-mode voltage differ-
ence up to the voltage rating of the coupling capacitor
(minus half the differential swing) is tolerated. DC-bal-
anced coding of the data is required to maintain the dif-
ferential signal amplitude and limit jitter on an
AC-coupled link. A capacitor in series with each output
of the LVDS driver is sufficient for AC-coupling. However,
two capacitors—one at the serializer output and one at
the deserializer input—provide protection in case either
end of the cable is shorted to a high voltage.
5V Tolerant Inputs
All signal and control inputs except DCB/NC are 5V tol-
erant and are internally pulled down to GND. The
DCB/NC pin has a pullup on the MAX9209/MAX9213.
DCB/NC Pin Default Conditions
The MAX9209/MAX9213 have programmable DC bal-
ance/non-DC balance. See Table 1 for DCB/NC default
settings and operating modes.
(7 + 2):1
1:(9 - 2)
7
RT =
100
RT =
100
RT =
100
RT =
100
(7 + 2):1
1:(9 - 2)
7
(7 + 2):1
1:(9 - 2)
7
PLL
MAX9209
MAX9213
MAX9210
MAX9214
TxOUT
TxCLK OUT
RxIN
RxCLK IN
21:3 SERIALIZER
3:21 DESERIALIZER
PWRDWN
RxCLK OUT
RxOUT
PWRDWN
TxCLK IN
TxIN
HIGH-FREQUENCY CERAMIC
SURFACE-MOUNT CAPACITORS
CAN ALSO BE PLACED AT
SERIALIZER INSTEAD OF DESERIALIZER.
RO
Figure 14. Two Capacitors per Link, AC-Coupled, DC-Balanced Mode
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