MAX3969E/D Maxim Integrated, MAX3969E/D Datasheet
MAX3969E/D
Manufacturer Part Number
MAX3969E/D
Description
Limiting Amplifiers
Manufacturer
Maxim Integrated
Datasheet
1.MAX3969ED.pdf
(11 pages)
Specifications of MAX3969E/D
Operating Supply Voltage
3 V, 5 V
Supply Current
22 mA
Operating Temperature Range
+ 85 C
Number Of Channels
1
Power Dissipation
1099 mW
Typical Application Circuits continued at end of data sheet.
Pin Configuration appears at end of data sheet.
The MAX3969 limiting amplifier with PECL data outputs is
ideal for low-cost ATM, Fast Ethernet, FDDI and ESCON
fiber optic receivers.
The MAX3969 features 1mV
integrated power detector that senses the input signal
power. It provides a received-signal-strength indicator
(RSSI), which is an analog indication of the power level.
Signal strength is also indicated by the complementary
TTL loss-of-signal (LOS) outputs and the PECL signal-
detect (SD) output, both of which indicate the power
level relative to a programmable threshold.
The threshold can be adjusted to detect signal ampli-
tudes as low as 2.7mV
disables switching of the data outputs by holding them
at a known state when the signal is below the pro-
grammed threshold.
The MAX3969 is available in die form and a 4mm x
4mm, 20-pin thin QFN package.
19-3251; Rev 1; 6/06
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.
SFP/SFF Transceivers
Fast Ethernet/FDDI Transceivers
155Mbps LAN ATM Transceivers
ESCON Receivers
FTTx Transceivers
________________________________________________________________ Maxim Integrated Products
*EXPOSED PAD (EP) ON MAX3969ETP ONLY.
P-P
General Description
FILT
IN
. An optional squelch function
TRANSIMPEDANCE
P-P
AMPLIFIER
input sensitivity and an
OUT+
Applications
OUT-
DIAGNOSTIC
200Mbps SFP Limiting Amplifier
MONITOR
4700pF
4700pF
SFP OPTICAL RECEIVER WITH DIAGNOSTICS
C
C
IN
IN
100kΩ
R1
SQUELCH
IN-
IN+
CZP
INV
C
1μF
AZ
CZN
R2
C
0.01μF
FILTER
MAX3969
♦ 1mV
♦ Loss-of-Signal Detector with Programmable
♦ TTL LOS and PECL Signal Detect
♦ Analog Received-Signal-Strength Indicator
♦ Output Squelch Function
♦ Compatible with 4B/5B Data Coding
FILTER
*Dice are designed to operate over a -40°C to +100°C junction
temperature (T
T
MAX3969ETP
MAX3969E/D
V
A
TH
Threshold
= +25°C.
PART
V
EP*
CC
P-P
V
GND
Input Sensitivity
Typical Application Circuits
CCO
OUT+
OUT-
LOS
LOS
J
SD
) range, but are tested and guaranteed only at
-40°C to +85°C 20 Thin QFN
TEMP RANGE
150Ω
0.1μF
—
Ordering Information
150Ω
0.1μF
0.1μF
PIN-
PACKAGE
Dice*
+2.97V TO +3.63V
HOST BOARD
V
CC
R
4.7kΩ
TO
10kΩ
LOS
Features
PKG CODE
T2044-2
—
1
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