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FODM611 — High Noise Immunity, 5V, 10Mbit/sec Logic Gate Output (Open Collector) Optocoupler

FODM611 Rev. 1.0.3

May 2010

FODM611

High Noise Immunity, 5V, 10Mbit/sec Logic Gate Output

(Open Collector) Optocoupler

Features

■

High Noise Immunity characterized by common mode

transient immunity (CMTi)

– 20kV/µs Minimum CMTi

■

High Speed

– 10Mbit/sec Date Rate (NRZ)

– 100ns max. Propagation Delay

– 35ns max. Pulse Width Distortion

– 40ns max. Propagation Delay Skew

■

-40 to +85°C temperature range

■

Safety and regulatory approvals

– UL1577, 3750 VAC

RMS

for 1 min.

– IEC60747-5-2 (pending approval)

Applications

■

Microprocessor system interface

– SPI, I

■

Industrial fieldbus communications

– DeviceNet, CAN, RS485

■

Programmable logic control

■

Isolated data acquisition system

■

Voltage level translator

■

Isolating MOSFET/IGBT gate drivers

Description

The FODM611 is a 5V high-speed logic gate output

(open collector) optocoupler, which supports isolated

communications allowing digital signals to communicate

between systems without conducting ground loops or

coplanar packaging technology, Optoplanar

, and

optimized IC design to achieve high noise immunity,

characterized by high common mode transient immunity

specifications.

This optocoupler consists of an AlGaAS LED at the

input, optically coupled to a high speed integrated photo-

detector logic gate. The output of the detector IC is an

open collector schottky-clamped transistor. The coupled

parameters are guaranteed over the wide temperature

range of -40°C to +85°C. A maximum input signal of

5mA will provide a minimum output sink current of 13mA

(fan out of 8).

Related Resources

■

www.fairchildsemi.com/products/opto/

■

www.fairchildsemi.com/pf/FO/FODM8061.html

■

www.fairchildsemi.com/pf/FO/FODM8071.html

Functional Schematic

3 4

GND

ANODE

CATHODE

Truth Table

LED Output

Off High

On Low

hazardous voltages. It utilizes Fairchild’s proprietary

Summary of content (12 pages)

PAGE 1
FODM611 High Noise Immunity, 5V, 10Mbit/sec Logic Gate Output (Open Collector) Optocoupler Features Description ■ High Noise Immunity characterized by common mode The FODM611 is a 5V high-speed logic gate output (open collector) optocoupler, which supports isolated communications allowing digital signals to communicate between systems without conducting ground loops or hazardous voltages.
PAGE 2
Number Name Function Description 1 ANODE 3 CATHODE Anode 4 GND Cathode Output Ground 5 VO Output Voltage 6 VCC Output Supply Voltage Safety and Insulation Ratings for Mini-Flat Package (SO5 Pin) As per IEC60747-5-2 (Pending Certification). This optocoupler is suitable for “safe electrical insulation” only within the safety limit data. Compliance with the safety ratings shall be ensured by means of protective circuits. Symbol Parameter Min. Typ. Max.
PAGE 3
Symbol Parameter Value Units TSTG Storage Temperature -40 to +125 ºC TOPR Operating Temperature -40 to +85 ºC Junction Temperature -40 to +125 ºC 260 for 10sec ºC TJ Lead Solder Temperature (Refer to Reﬂow Temperature Proﬁle) TSOL IF Forward Current 50 mA VR Reverse Voltage 5.0 V VCC Supply Voltage 0 to 7.0 V VO Output Voltage -0.5 to VCC+0.
PAGE 4
Symbol Parameter Test Conditions Min. Typ. Max. Units IF = 10mA, Fig. 1 1.05 1.45 1.8 V 5.0 INPUT CHARACTERISTICS VF Forward Voltage BVR Input Reverse Breakdown Voltage IR = 10µA IFHL Threshold Input Current VO = 0.6V, IOL(sinking) = 13mA, TA < 85ºC, Fig. 2 3.4 5.0 mA V OUTPUT CHARACTERISTICS VOL Logic LOW Output Voltage IF = rated IFHL, IOL(sinking) = 13mA, Fig. 3 0.4 0.6 V IOH Logic HIGH Output Current IF = 250µA, VO = 5.0V, Fig. 4 2.1 30.
PAGE 5
Fig. 2 Threshold Input Current vs Ambient Temperature Fig. 1 Input LED Current vs Forward Voltage 6 IFHL – THRESHOLD INPUT CURRENT (mA) IF – INPUT LED CURRENT (mA) 100 10 TA = 85°C 1 TA = -40°C TA = 25°C 0.1 0.01 0.001 0.6 0.8 1.0 1.2 1.4 1.6 VF – FORWARD VOLTAGE (V) 1.8 IOH – LOGIC HIGH OUTPUT CURRENT (µA) VOL – LOW LEVEL OUTPUT VOLTAGE (V) 0.50 0.45 0.
PAGE 6
Fig. 8 Typical Propagation Delay vs. Ambient Temperature 10 55 IF = 0mA (for ICCH), 10mA (for ICCL) TA = 25°C tP – PROPAGATION DELAY (ns) ICC – TYPICAL LOGIC OUTPUT SUPPLY CURRENT (mA) Fig. 7 Typical Logic Output Supply Current vs. Output Supply Voltage 8 6 ICCL 4 ICCH 2 Frequency = 5MHz Duty Cycle = 50% IF = 7.5mA 50 VCC = 5.0V RL = 350Ω 45 40 tPHL 35 tPLH 0 3.0 3.5 4.0 4.5 5.0 30 -40 5.5 -20 VCC – OUTPUT SUPPLY VOLTAGE (V) 80 Fig. 10 Rise and Fall Time vs.
PAGE 7
FODM611 — High Noise Immunity, 5V, 10Mbit/sec Logic Gate Output (Open Collector) Optocoupler Schematics Pulse Gen. 5MHz tf = tr = 5ns DC = 50% IF 0.1µF Bypass 350Ω CL Input Monitoring Mode VO Monitoring Node RM (IF = 7.5mA) Input 50% tf tr 90% 1.5V 10% VOL Output tPHL tPLH Figure 11. Test Circuit for Propagation Delay Time, Rise Time and Fall Time IF VCC 0.1µF Bypass SW 350Ω CL VO Monitoring Node RM VCM Pulse Gen 1kV VCM 90% 10% 0V tr tf VOH VO (IF = 0mA) 0.8 VCC 0.8V VO (IF = 7.
PAGE 8
LAND PATTERN RECOMMENDATION Notes: 1. No standard applies to this package. 2. All dimensions are in millimeters. 3. Dimensions are exclusive of burrs, mold flash, and tie bar extrusion. 4. Drawings filesname and revision: MKT-MFP05A. Package drawings are provided as a service to customers considering Fairchild components. Drawings may change in any manner without notice.
PAGE 9
Option Order Entry Identifier (Example) No Suffix FODM611 R2 FODM611R2 Description Mini-Flat 5-pin, shipped in tubes (100 units per tube) Mini-Flat 5-pin, tape and reel (2,500 units per reel) All packages are lead free per JEDEC: J-STD-020B standard. Marking Information 1 M611 V X YY M 3 4 2 6 5 Definitions 1 Fairchild logo 2 Device number 3 IEC60747-5-2 (VDE marking) 4 One digit year code, e.g.
PAGE 10
K0 P2 P0 t D0 E A0 W1 W B0 d F D1 P 2.54 Pitch Symbol Dimensions (mm) Tape Width W 12.00 +0.30 / -0.10 Tape Thickness t 0.30 ±0.05 Sprocket Hole Pitch P0 4.00 ±0.10 Sprocket Hole Diameter Description D0 1.50 +0.10 / -0.0 Sprocket Hole Location E 1.75 ±0.10 Pocket Location F 5.50 ±0.10 P2 2.00 ±0.10 Pocket Pitch P 8.00 ±0.10 Pocket Dimension A0 4.40 ±0.10 Pocket Hole Diameter B0 7.30 ±0.10 K0 2.30 ±0.10 D1 1.50 Min.
PAGE 11
FODM611 — High Noise Immunity, 5V, 10Mbit/sec Logic Gate Output (Open Collector) Optocoupler Reflow Profile Temperature (°C) TP 260 240 TL 220 200 180 160 140 120 100 80 60 40 20 0 Max. Ramp-up Rate = 3°C/S Max. Ramp-down Rate = 6°C/S tP Tsmax tL Preheat Area Tsmin ts 120 240 360 Time 25°C to Peak Time (seconds) Profile Feature Pb-Free Assembly Profile Temperature Min. (Tsmin) 150°C Temperature Max.
PAGE 12
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