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Part: MAX3902
Category:
Description: 150Mbps Automotive Fiber Optic Receivers
Company: Maxim Integrated Products
Datasheet: Download MAX3902 datasheet File size : 479 kB
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19-3278; Rev 1; 7/04
150Mbps Automotive Fiber Optic Receivers
General Description
T h e MAX3901/MAX3902 are optimized for low-cost polymer-clad silica (PCS) and plastic optical fiber (POF) a u t o m o t i v e receivers. These parts operate over an extended -40°C to +140°C (junction) temperature range. The MAX3901 features a 1.2µA to 1mA input range, a +3.3V or +5V supply voltage, operation from 8Mbps to 50Mbps, and a TTL output compatible with common automotive optical network interfaces. The MAX3902 features a 1.2µA to 1mA input range, + 3 . 3 V supply voltage, operation from 40Mbps to 1 5 0 M b p s , and a differential output compatible with LVDS, PECL, and IEEE 1394b (S100). Both circuits provide an input power detect and lowp o w e r standby mode with status output. No filter capacitors are required in the optical subassembly, thus enabling a low-cost receiver design. The circuits are available in die and wafer form. o Operation Up to 50Mbps (MAX3901) o Operation Up to 150Mbps (MAX3902) o +3.3V or +5.0V Power Supply (MAX3901) o 1.2µAP-P Input Sensitivity o 1mAP-P Input Overload o Input Power Detect with Power-Reducing Standby Mode o Active Output Pulldown During Standby Mode (MAX3901) o Differential LVDS- or PECL-Compatible Output (MAX3902) o TTL-Compatible Output (MAX3901) o No Filter Capacitors Required in the Optical Subassembly
Features
o -40°C to +140°C Operating Junction Temperature
MAX3901/MAX3902
Applications
Automotive Fiber Optic Receivers IEEE 1394b (S100)
PART MAX3901E/D MAX3902E/D
Ordering Information
TEMP RANGE -40°C to +140°C -40°C to +140°C PIN-PACKAGE Dice* Dice*
*Dice are designed to operate over a -40°C to +140°C junction temperature (Tj) range, but are tested and guaranteed at TA = +75°C.
Typical Operating Circuits
+5.0V OPTICAL RECEIVER VCC FILT STATUS STATUS FILT VCC SUPPLY FILTER OPTICAL RECEIVER VCC STATUS SUPPLY FILTER +3.3V +3.3V SWITCHED
MAX3901
IN OUT_TTL RX DATA TTL INPUT (SP4 AUTOMOTIVE NETWORK INTERFACE) IN
MAX3902
OUT+ OUT-
0.1µF
82
82 PECL INPUT
0.1µF GND GND GND
130
130
Typical Operating Circuits continued at end of data sheet. ________________________________________________________________ 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.
150Mbps Automotive Fiber Optic Receiver MAX3901/MAX3902
ABSOLUTE MAXIMUM RATINGS
Supply Voltage (VCC) .....-0.5V to +6V Current into IN ...........±3mA Voltage at OUT+, OUT- (MAX3902) .....0V to +6V Current into OUT_TTL (MAX3901)...±10mA Current into FILT .........-3mA Voltage at STATUS ......-0.5V to (VCC + 0.5) Operating Junction Temperature Range ...-55°C to +150°C Storage Temperature Range .....-65°C to +175°C Die Attach Temperature.........+400°C
Stresses beyond those listed under "Absolute Maximum Ratings" may cause permanent damage to the device. These are stress ratings only, and functional operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to absolute maximum rating conditions for extended periods may affect device reliability.
ELECTRICAL CHARACTERISTICS--MAX3901
(VCC = +3.135V to +5.25V, CPD = 2pF; Tj = -40°C to +140°C. Typical values are at VCC = +5.0V and TA = +25°C, unless otherwise noted.)
PARAMETER POWER SUPPLY Operating Power-Supply Current Standby Current Power-Up Time INPUT PARAMETERS Data Rate Input Extinction Ratio Input Sensitivity Input Overload Input Bias Voltage FILT PIN Voltage at FILT Filter Resistor Output High Output Low Output Voltage During Standby Output Switching Time Pulse-Width Variation Average Pulse-Width Distortion Data-Dependent Jitter Uncorrelated Jitter (Random Jitter) POWER DETECT (STATUS) Input for STATUS High Input for STATUS Low STATUS Low Voltage STATUS High Voltage ISTH ISTL V STATUS-L V STATUS-H Standby mode Operating mode ISTATUS -25µA ISTATUS > -20µA, VCC 4.75V 2.4 4 50 160 210 630 0.4 nA nA V V tr, tf PWV PWD DDJ RJ V FILT RFILT VOH VOL STATUS = high, IOUT = 30µA 10% to 90%, data rate 45Mbps 45Mbps (Notes 1, 3), 1.2µAP-P iIN 1mAP-P 45Mbps (Notes 1, 3) (Notes 1, 4) iIN 1.2µAP-P (Note 1) 0.86 -0.07 0.035 0.007 2.5 IFILT = -600µA, referenced to VCC -0.35 100 2.7 0.3 0.06 5 0.4 0.4 8.5 1.14 +0.07 0.082 0.015 -0.45 V k V V V ns UI UI UI UIRMS VIN Er Maximum 3 CIDs 10log (P1 / P0) (Notes 1, 2) IIN 600µA 1.0 0.8 1.0 8 3 0.4 1.2 50 Mbps dB µAP-P mAP-P V ICC IS T B Y tPU TJ < +100°C TJ < +140°C TJ < +85°C TJ < +125°C From valid VCC to STATUS low 0.06 10 14 22 28 20 80 1 mA µA ms SYMBOL CONDITION MIN TYP MAX UNIT
DATA OUTPUT (OUT_TTL) RLOAD = 50k to GND, COUT = 15pF
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150Mbps Automotive Fiber Optic Receiver
ELECTRICAL CHARACTERISTICS--MAX3901 (continued)
(VCC = +3.135V to +5.25V, CPD = 2pF; Tj = -40°C to +140°C. Typical values are at VCC = +5.0V and TA = +25°C, unless otherwise noted.)
PARAMETER STATUS Resistance Power-Detect Time SYMBOL RSTATUS tOP tSTBY Transition to operating mode (Note 5) Transition to standby mode (Note 6) CONDITION MIN 10 TYP 16 0.2 16 MAX 24 0.5 100 UNIT k ms µs
MAX3901/MAX3902
Note 1: Guaranteed by design and characterization. Note 2: BER = 1E-9, biphase-coded data containing three consecutive, identical digits. Waveform shaped by 39MHz four-pole filter. Note 3: See Figure 1. VTH is 1.5V for the MAX3901, 0V for (AC-coupled) differential output from the MAX3902. Data is biphase-coded with three consecutive, identical digits added. Data input to the MAX3901 is shaped by a 39MHz four-pole filter. Data input to the MAX3902 is shaped by a 117MHz four-pole filter. Maximum PWV = MAX [t1max, t2max - 1UI, t3max - 2UI]. Minimum PWV = MIN [t1min, t2min - 1UI, t3min - 2UI]. Minimum PWD = MIN [(tn-max + tn-min -2 x n x UI)/2], where n = 1, 2, 3. Maximum PWD = MAX [(tn-max + t+n-min -2 x n x UI)/2], where n = 1, 2, 3. Note 4: Data-dependent jitter is measured as shown in MOST Specification of Physical Layer, Version 1.1, data rate = 45Mbps. Note 5: Time from IIN > ISTL to STATUS = low, CSTATUS < 10pF. Note 6: Time from IIN < ISTH to STATUS = high, CSTATUS < 10pF.
t3max t2max t1max VTH t1min t2min t3min TRIGGER ON RISING EDGE
Figure 1. PWV and PWD Timing Diagrams
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