參數(shù)資料
型號(hào): ADN4605ABPZ
廠商: Analog Devices Inc
文件頁(yè)數(shù): 18/56頁(yè)
文件大小: 0K
描述: IC CROSSPOINT SWITCH 352BGA
標(biāo)準(zhǔn)包裝: 1
系列: XStream™
功能: 交叉點(diǎn)開(kāi)關(guān)
電路: 1 x 40:40
電壓電源: 單電源
電壓 - 電源,單路/雙路(±): 2.25 V ~ 3.6 V
電流 - 電源: 55mA
工作溫度: -40°C ~ 85°C
安裝類型: 表面貼裝
封裝/外殼: 352-LBGA 裸露焊盤(pán)
供應(yīng)商設(shè)備封裝: 352-BGA-EP(35x35)
包裝: 托盤(pán)
Data Sheet
ADN4605
Rev. A | Page 25 of 56
RECEIVERS
Input Structure and Input Levels
The ADN4605 receiver inputs incorporate 50 Ω termination
resistors, ESD protection, and a fixed equalizer that is optimized
for operation over long backplane traces. Each receive channel also
provides a positive/negative (P/N) inversion function, which allows
the user to swap the sign of the input signal path to eliminate the
need for board-level crossovers.
Equalization
The ADN4605 receiver incorporates a continuous time equalizer
(EQ) that provides up to 12 dB of high frequency boost to com-
pensate up to 40 inches of FR4 at 4.25 Gbps. Each input has two
equalizer control bits. The receiver is disabled by default. The boost
can be set to defined levels by programming the respective address
register bits (Address 0xC0 through Address 0xC9) for the target
input channel to the specified logic combinations as shown in
VCC
VTTI
IPx
INx
VEE
R2
210
R4
630
RN
53
RP
53
R1
210
R3
630
600A
EQUALIZER
09796-
008
Figure 41. Simplified Input Circuit
Table 9. Equalization Control Registers
Register
Address
Default
Register Name
Bits
Bit Name
Functionality Description
0xC0
0x0
Rx EQ Control
(Rx IN 3 to Rx IN 0)
7:6
RXEQIN [3]
00 = Rx disabled (default)
01 = 3 dB boost
10 = 6 dB boost
11 = 12 dB boost
5:4
RXEQIN [2]
3:2
RXEQIN [1]
1:0
RXEQIN [0]
0xC1
0x0
Rx EQ Control
(Rx IN 7 to Rx IN 4)
7:6
RXEQIN [7]
5:4
RXEQIN [6]
3:2
RXEQIN [5]
1:0
RXEQIN [4]
0xC2
0x0
Rx EQ Control
(Rx IN 11 to Rx IN 8)
7:6
RXEQIN [11]
5:4
RXEQIN [10]
3:2
RXEQIN [9]
1:0
RXEQIN [8]
0xC3
0x0
Rx EQ Control
(Rx IN 15 to Rx IN 12)
7:6
RXEQIN [15]
5:4
RXEQIN [14]
3:2
RXEQIN [13]
1:0
RXEQIN [12]
0xC4
0x0
Rx EQ Control
(Rx IN 19 to Rx IN 16)
7:6
RXEQIN [19]
5:4
RXEQIN [18]
3:2
RXEQIN [17]
1:0
RXEQIN [16]
0xC5
0x0
Rx EQ Control
(Rx IN 23to Rx IN 20)
7:6
RXEQIN [23]
5:4
RXEQIN [22]
3:2
RXEQIN [21]
1:0
RXEQIN [20]
0xC6
0x0
Rx EQ Control
(Rx IN 27 to Rx IN 24)
7:6
RXEQIN [27]
5:4
RXEQIN [26]
3:2
RXEQIN [25]
1:0
RXEQIN [24]
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