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PDF MAX3803UBP-T Data sheet ( Hoja de datos )
| Número de pieza | MAX3803UBP-T | |
| Descripción | DC-Coupled / UCSP 3.125Gbps Equalizer | |
| Fabricantes | Maxim Integrated | |
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19-2699; Rev 0; 2/03
DC-Coupled, UCSP 3.125Gbps Equalizer
General Description
The MAX3803 equalizer automatically provides com-
pensation for transmission-medium losses encountered
with FR4 stripline and cable in an incredibly small 2mm
× 2.5mm package. It is ideal for backplane applications
requiring up to 40in between the line card and the
switch card or up to 10m of twin ax cable between
racks. Its small size provides placement and routing
flexibility. The CML inputs and outputs are DC-coupled
and can be terminated to a supply as low as +1.1V.
The MAX3803 operates from 0°C to +85°C and con-
sumes 160mW at +3.3V.
Applications
Backplane Interconnect
Rack-to-Rack Interconnect
Common-Mode Voltage Translation
(LVDS, PECL, or CML)
Features
o DC-Coupled Input and Output to Terminations
as Low as +1.1V
o 2mm × 2.5mm UCSPTM
o 1Gbps to 3.2Gbps Operating Range
o Spans 40in (1m) of FR4
o Spans 10m, 28AWG Twin Ax
o Receive Equalization to Reduce ISI
PART
MAX3803UBP-T
Ordering Information
TEMP RANGE
0°C to +85°C
PIN-PACKAGE
5 x 4 UCSP
Pin Configuration appears at end of data sheet.
UCSP is a trademark of Maxim Integrated Products, Inc.
+1.1V ≤ V ≤ VCC
MAC
WITH
SERDES
2
Rx Tx
2
Tx Rx
LINE CARD
≤40in (1m)
FR4 STRIPLINE
+3.3V
VCC
22
OUT MAX3803 IN
VTO VTI
Typical Application Circuit
SWITCH CARD
+3.3V
VTI VCC VTO
2 MAX3803
2
IN OUT
+1.1V ≤ V ≤ VCC
SWITCH
ASIC
WITH
SERDES
2
Rx
FR4 STRIPLINE
2
Tx
+1.1V ≤ V ≤ VCC
+1.1V ≤ V ≤ VCC
________________________________________________________________ Maxim Integrated Products 1
For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at
1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com.
1 page  
DC-Coupled, UCSP 3.125Gbps Equalizer
Typical Operating Characteristics (continued)
(VCC = +3.3V, VTI = +1.1V, VTO = +1.1V, and TA = +25°C, unless otherwise noted.)
DETERMINISTIC JITTER vs. INPUT AMPLITUDE
(40in, 6-mil FR4 STRIPLINE, 3.125Gbps)
60
DETERMINISTIC JITTER vs. INPUT AMPLITUDE
(30in, 6-mil FR4 STRIPLINE, 2.488Gbps)
90
DETERMINISTIC JITTER vs. INPUT AMPLITUDE
(33ft, 28AWG TENSOLITE CABLE, PATTERN = K28.5)
70
55
CJTPAT
50
45
40
35
K28.5
30
25
80
70
PRBS 27 WITH 100CIDs
60
50
40
PRBS 27 - 1
30
65
60
3.125Gbps
55
50
1.25Gbps
45
20
400
500 600 700 800 900 1000
INPUT AMPLITUDE (mVP-P)
20
400
500 600 700 800 900 1000
INPUT AMPLITUDE (mVP-P)
40
400
500 600 700 800 900 1000
INPUT AMPLITUDE (mVP-P)
DETERMINISTIC JITTER vs. LENGTH
(IN± = 800mVP-P, PATTERN = PRBS 210 - 1)
110
100
90
80
70 622.08Mbps
60
50
2.48832Gbps
40
30
20
10
0
10 20 30 40
LENGTH OF 6-mil FR4 STRIPLINE (in)
50
DETERMINISTIC JITTER vs. LENGTH
(IN± = 600mVP-P, PATTERN = CJTPAT)
80
70
60
50
1.25Gbps
40
3.125Gbps
30
20
10
0
10 20 30 40
LENGTH OF 6-mil FR4 STRIPLINE (in)
50
Pin Description
PIN
A1
A2
A3, A4
A5
B1
B5
C1
C5
D1, D5
D2, D3, D4
NAME
VTO
EN
N.C.
VTI
OUT+
IN+
OUT-
IN-
GND
VCC
Output Termination Voltage
FUNCTION
Enable. Connect to VCC to enable the equalizer core. Connect to GND to disable the
equalizer core, TTL. Do not leave unconnected.
No Connection
Input Termination Voltage
Positive Data Output, CML
Positive Data Input, CML
Negative Data Output, CML
Negative Data Input, CML
Supply Ground
Core Supply Voltage
_______________________________________________________________________________________ 5
5 Page | ||
| Páginas | Total 8 Páginas | |
| PDF Descargar | [ Datasheet MAX3803UBP-T.PDF ] | |
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