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LVTTL/LVCMOS 3.3V HIGH SPEED TRANSISTOR OPTOCOUPLERS
SINGLE-CHANNEL: FOD050L DUAL-CHANNEL: FOD053L PACKAGE FOD250L
SCHEMATIC
N/C 1
8 VCC
+1 V
F1
8 VCC
8 1
+2 VF _ 3 6 VO 7 VB
_
2
7 V01
_ V
3
6 V02
F2
8 1
8 1
N/C 4
5 GND
+4
5 GND
FOD050L, FOD250L
FOD053L
DESCRIPTION
The FOD250L, FOD050L and FOD053L optocouplers consist of an AlGaAs LED optically coupled to a high speed photodetector transistor. These devices are specified for operation at a 3.3V supply voltage.
Truth Table
LED On Off VO LOW HIGH
A separate connection for the bias of the photodiode improves the speed by several orders of magnitude over conventional phototransistor optocouplers by reducing the base-collector capacitance of the input transistor. An internal noise shield provides superior common mode rejection of CMH = 50kV/ms (typical) and CML - 35kV/ms (typical).
FEATURES
* * * * * * * Low power consumption High speed Available in single channel 8-pin DIP (FOD250L), 8-pin SOIC (FOD050L) or dual channel 8-pin SOIC (FOD053L) Superior CMR - CMH = 50kV/s (typical) and CML - 35kV/s (typical) Guaranteed performance over temperature: 0C to 70C U.L. recognized (File # E90700) VDE pending
APPLICATIONS
* * * * Line receivers Pulse transformer replacement High speed logic ground isolation: LVTTL/LVCMOS Wide bandwidth analog coupling
(c) 2004 Fairchild Semiconductor Corporation
Page 1 of 13
6/14/04
LVTTL/LVCMOS 3.3V HIGH SPEED TRANSISTOR OPTOCOUPLERS
SINGLE-CHANNEL: FOD050L DUAL-CHANNEL: FOD053L FOD250L
ABSOLUTE MAXIMUM RATINGS (TA = 25C unless otherwise specified)
Parameter Storage Temperature Operating Temperature Lead Solder Temperature (Wave solder only) EMITTER DC/Average Forward Input Current Peak Forward Input Current (50% duty cycle, 1 ms P.W.) Each Channel Peak Transient Input Current - (1 s P.W., 300 pps) Each Channel Reverse Input Voltage Input Power Dissipation (No derating required up to 85C) DETECTOR Average Output Current Peak Output Current Emitter-Base Reverse Voltage Supply Voltage Output Voltage Base Current Output Power Dissipation (No derating required up to 85C) (FOD050L, FOD250L only) Each Channel Each Channel Each Channel (FOD050L, FOD250L only) IO (avg) IO (pk) VEBR VCC VO IB PD 8 16 5 -0.5 to 7 -0.5 to 7 5 100 mA mA V V V mA mW Each Channel Each Channel Each Channel IF (avg) IF (pk) IF (trans) VR PD 25 50 1.0 5 45 mA mA A V mW Symbol TSTG TOPR TSOL Value -40 to +125 -40 to +85 260 for 10 sec Units C C C
(c) 2004 Fairchild Semiconductor Corporation
Page 2 of 13
6/14/04
LVTTL/LVCMOS 3.3V HIGH SPEED TRANSISTOR OPTOCOUPLERS
SINGLE-CHANNEL: FOD050L DUAL-CHANNEL: FOD053L FOD250L
ELECTRICAL CHARACTERISTICS (TA = 0 to 70C Unless otherwise specified) INDIVIDUAL COMPONENT CHARACTERISTICS
Parameter EMITTER Input Forward Voltage Input Reverse Breakdown Voltage DETECTOR Logic high output current (IF = 0 mA, VO = VCC = 3.3 V) (TA =25C) (IF = 16 mA, VO = Open) (VCC = 3.3 V) (IF1 = IF2 = 16 mA, VO = Open) (VCC = 3.3 V) (IF = 0 mA, VO = Open, VCC = 3.3 V) (TA =25C) (IF = 0 mA, VO = Open) (VCC = 3.3 V) IOH All FOD050L FOD250L FOD053L FOD050L FOD250L FOD053L -- -- -- -- -- 0.001 -- -- -- -- 1 200 A 400 0.3 A 10 A Test Conditions (IF = 16 mA, TA =25C) (IF = 16 mA) (IR = 10 A) Symbol VF BVR Device All All Min -- -- 5.0 Typ** Max 1.45 -- -- 1.7 1.8 -- Unit V V
Logic low supply current
ICCL
Logic high supply current
ICCH
** All Typicals at TA = 25C
TRANSFER CHARACTERISTICS (TA = 0 to 70C Unless otherwise specified)
Parameter COUPLED Current transfer ratio (Note 1) Logic low output voltage output voltage ** All Typicals at TA = 25C (IF = 16 mA, VO = 0.4 V) (VCC = 3.3 V, TA =25C) (IF = 16 mA, IO = 3 mA) (VCC = 3.3 V, TA =25C) CTR VOL All All 15 -- -- -- 50 0.3 % V Test Conditions Symbol Device Min Typ** Max Unit
(c) 2004 Fairchild Semiconductor Corporation
Page 3 of 13
6/14/04
LVTTL/LVCMOS 3.3V HIGH SPEED TRANSISTOR OPTOCOUPLERS
SINGLE-CHANNEL: FOD050L DUAL-CHANNEL: FOD053L FOD250L
SWITCHING CHARACTERISTICS (TA = 0 to 70C unless otherwise specified., VCC = 3.3 V)
Parameter Propagation delay time to logic low Propagation delay time to logic high Common mode transient immunity at logic high Common mode transient immunity at logic low ** All Typicals at TA = 25C Test Conditions (RL = 1.9 k, IF = 16 mA) (Note 2) (Fig. 10) (RL = 1.9 k, IF = 16 mA) (Note 2) (Fig. 10) 25C 25C Symbol TPHL TPLH Device All All All |CMH| All 5,000 50,000 -- V/s Min -- -- -- -- 5,000 Typ** -- -- -- -- 50,000 Max Unit 1.0 2.0 1.0 2.0 -- s s V/s
(IF = 0 mA, VCM = 1,000 VP-P, RL = 4.1 k) (Note 3, 4) (Fig. 11) TA = 25C (IF = 0 mA, VCM = 1,000 VP-P) TA = 25C, (RL = 1.9 k) (Note 2, 4) (Fig. 11) (IF = 16 mA, VCM = 1,000 VP-P, RL = 4.1 k) (Note 3, 4) (Fig. 11) TA = 25C (IF = 16 mA, VCM = 1,000 VP-P) (RL = 1.9 k) (Note 2, 4) (Fig. 11)
All |CML| All
5,000 5,000
35,000 35,000
-- --
V/s V/s
ISOLATION CHARACTERISTICS (TA = 0 to 70C Unless otherwise specified)
Characteristics Input-output insulation leakage current Withstand insulation test voltage Resistance (input to output) Capacitance (input to output) Test Conditions (Relative humidity = 45%) (TA = 25C, t = 5 s) (VI-O = 3000 VDC) (Note 5) (f = 60 Hz, TA = 25C) (Note 5) ( t = 1 min.) (Note 5) (VI-O = 500 VDC) (Note 5) (f = 1 MHz) Symbol Device Min Typ** Max Unit
II-O
All
--
--
1.0
A
VISO
FOD050L FOD053L FOD250L
2500 5000 1011 --
-- -- 1012 0.2
-- -- -- --
VRMS pF
RI-O CI-O
All All
Notes 1. Current Transfer Ratio is defined as a ratio of output collector current, IO, to the forward LED input current, IF, times 100%. 2. The 1.9 k load represents 1 TTL unit load of 1.6 mA and 5.6 k pull-up resistor. 3. The 4.1 k load represents 1 LSTTL unit load of 0.36 mA and 6.1k pull-up resistor. 4. Common mode transient immunity in logic high level is the maximum tolerable (positive) dVcm/dt on the leading edge of the common mode pulse signal VCM, to assure that the output will remain in a logic high state (i.e., VO>2.0 V). Common mode transient immunity in logic low level is the maximum tolerable (negative) dVcm/dt on the trailing edge of the common mode pulse signal, VCM, to assure that the output will remain in a logic low state (i.e., VO<0.8 V). 5. Device is considered a two terminal device: Pins 1, 2, 3 and 4 are shorted together and Pins 5, 6, 7 and 8 are shorted together.
I
(c) 2004 Fairchild Semiconductor Corporation
Page 4 of 13
6/14/04
LVTTL/LVCMOS 3.3V HIGH SPEED TRANSISTOR OPTOCOUPLERS
SINGLE-CHANNEL: FOD050L DUAL-CHANNEL: FOD053L FOD250L
Fig. 1 LED Forward Current vs. Forward Voltage
100 1.3
Fig. 2 Current Transfer Ratio vs. Forward Current (FOD050L, FOD053L)
V O = 0.4V V CC = 3.3V Normalized to IF = 16mA, TA = 25C
1.2
Current Transfer Ratio (Normalized)
10
IF - Forward Current (mA)
T A = 85C 1 T A = 70C T A = 25C T A = 0C T A = -40C
1.1
T A = 70C T A = 85C
1.0
T A = 25C
0.1
0.9
T A = 0CC
0.8
0.01
0.7
T A = -40C
0.001 0.9 1.0 1.1 1.2 1.3 1.4 1.5 1.6 1.7
0.6 0 5 10 15 20 25
V F - Forward Voltage (V)
IF - Forward Current (mA)
Fig. 3 Current Transfer Ratio vs. Input Forward Current (FOD250L)
1.4 1.3
Fig. 4 Current Transfer Ratio vs. Ambient Temperature
1.6 1.6
VO = 0.4V VCC = 3.3V TA = 85C TA = 70C
Normalized to IF = 16mA, TA = 25C
1.4
Current Transfer Ratio (Normalized)
1.2 1.1 1.0 0.9 0.8 0.7
Current Transfer Ratio (Normalized)
IF = 16mA VO = 0.4V VCC = 3.3V
Normalized to TA = 25C
1.4
TA = 25C
1.0
1.0
0.8
0.8
TA = 0C
0.6
0.6
0.4
0.4
TA = -40C
0.6 0.5 0 5 10 15 20 25
0.2
0.2
0.0 -40 -20 0 20 40 60 80 100
0.0
IF - Forward Current (mA)
T A - Ambient Temperature (C)
Fig. 5 Output Current vs. Output Voltage
12
Fig 6. Logic High Output Current vs. Ambient Temperature
10
TA = 25C VCC = 3.3V
VO = VCC = 3.3V IF = 0
IO - Output Current (mA)
IF = 25mA
8
I OH - Logic High Output Current (nA)
10
1
20mA
6
15mA
4
0.1
10mA
2
5mA
0 0 2 4 6 8 10 12 14 16
0.01 -40 -20 0 20 40 60 80 100
VO - Output Voltage (V)
TA - Ambient Temperature ( C)
(c) 2004 Fairchild Semiconductor Corporation
Page 5 of 13
IC - Collector Current (mA) I LED = 1mA
1.2
1.2
6/14/04
LVTTL/LVCMOS 3.3V HIGH SPEED TRANSISTOR OPTOCOUPLERS
SINGLE-CHANNEL: FOD050L DUAL-CHANNEL: FOD053L FOD250L
Fig. 7 Supply Current vs. Input Forward Current
120 3.5
Fig. 8 Propagation Delay vs. Ambient Temperature
V
3.0
TA = 25C VCC = 3.3V
CC
= 3.3V
IF = 16mA
I CC (Per Channel) - Supply Current ( A)
100
tP - Propagation Delay (s)
2.5
80
tPLH, RL = 4.1k
2.0
60
1.5
40
tPLH, RL = 1.9k
1.0
20
0.5
tPHL, RL = 1.9k & 4.1k
0 0 2 4 6 8 10 12 14 16
0.0 -40 -20 0 20 40 60 80 100
IF - Input Forward Current (mA)
TA - Ambient Temperature (C)
Fig. 9 Propagation Delay vs Load Resistance
10
V
CC
= 3.3V
TA = 25C
tP - Propagation Delay (s)
tPLH, IF = 16mA
1
tPLH, IF = 10mA
tPHL, IF = 10mA
tPHL, IF = 16mA
0.1 1 2 3 5 10
R L- Load Resistance (k)
(c) 2004 Fairchild Semiconductor Corporation
Page 6 of 13
6/14/04
LVTTL/LVCMOS 3.3V HIGH SPEED TRANSISTOR OPTOCOUPLERS
SINGLE-CHANNEL: FOD050L DUAL-CHANNEL: FOD053L FOD250L
Pulse Generator I F tr = 5ns Z O = 50 10% D.C. I/f < 100s
1
+
Noise Shield
8 7 6 5
VCC
+3.3 V
Pulse Generator tr = 5ns Z O = 50
IF
+
Noise Shield
1
VF1 -
8 7 6 5
VCC RL
+3.3 V
2
VF -
VB
RL
10% DUTY CYCLE I/f < 100S VO
2 3 4
V01
VO C L = 1.5 pF
3
I F Monitor Rm
VO 0.1 F
IF MONITOR VF2 + Rm
V02 0.1 F
4
GND
GND
C L = 1.5 pF
Test Circuit for FOD050L and FOD250L
Test Circuit for FOD053L
IF 0
VO 50% 50% VOL TPHL TPLH
3.3 V
Fig. 10 Switching Time Test Circuit
IF
1
+
Noise Shield
8 7 6 5
VCC
+3.3 V IF
+ VF1 A
Noise Shield
1 2 3 4
8 7 6 5
VCC RL V01
+3.3 V
2
A B VFF VF -
VB
RL
VO
3 4
+
VCM
VO
VO 0.1 F
B VFF
VF2 +
V02
0.1 F
GND
-
GND
-
Pulse Gen
+
VCM -
Pulse Gen Test Circuit for FOD050L and FOD250L Test Circuit for FOD053L
VCM 1000 V 10% tr
90%
90% 10% tf
0V
VO Switch at A : IF = 0 mA VO Switch at A : IF = 16 mA
3.3 V
VOL
Fig. 11 Common Mode Immunity Test Circuit
(c) 2004 Fairchild Semiconductor Corporation
Page 7 of 13
6/14/04
LVTTL/LVCMOS 3.3V HIGH SPEED TRANSISTOR OPTOCOUPLERS
SINGLE-CHANNEL: FOD050L DUAL-CHANNEL: FOD053L ORDERING INFORMATION
Option No Suffix S SD SV SDV T TV R1 R1V R2 R2V V Order Entry Identifier FOD250L FOD050L FOD250LS FOD250LSD Pending Approval Pending Approval FOD250LT Pending Approval FOD050LR1 Pending Approval FOD050LR2 Pending Approval Pending Approval Through Hole (DIP package only) Surface Mount Lead Form (SOIC-8 package only) Surface Mount Lead Bend (DIP package only) Surface Mount; Tape and reel (DIP package only) Surface Mount; VDE0884 (DIP package only) Surface Mount; Tape and reel, VDE0884 (1000 units per reel) (DIP package only) 0.4" Lead Spacing (DIP package only) 0.4" Lead Spacing, VDE0884 (DIP package only) Tape and Reel (500 units per reel) (SOIC-8 package only) VDE, Tape and Reel (500 units per reel) (SOIC-8 package only) Tape and Reel (2500 units per reel) (SOIC-8 package only) VDE, Tape and Reel (2500 units per reel) (SOIC-8 package only) VDE (SOIC-8 package only) Description
FOD250L
MARKING INFORMATION
DIP
1 1
SOIC
2
50L V X YY S
6
250L V
3 4
2 6
XX YY T1
5
3
4
5
Definitions
1 2 3 4 (DIP) 4 (SOIC) 5 6 Fairchild logo Device number VDE mark (Note: Only appears on parts ordered with VDE option - See order entry table) Two digit year code, e.g., `03' One digit year code, e.g., `3' Two digit work week ranging from `01' to `53' Assembly package code
(c) 2004 Fairchild Semiconductor Corporation
Page 8 of 13
6/14/04
LVTTL/LVCMOS 3.3V HIGH SPEED TRANSISTOR OPTOCOUPLERS
SINGLE-CHANNEL: FOD050L DUAL-CHANNEL: FOD053L 8-PIN DIP Package Dimensions (Through Hole) Package Dimensions (Surface Mount)
0.390 (9.91) 0.370 (9.40)
FOD250L
PIN 1 ID.
4
4 3 2 1
3
2
1
PIN 1 ID.
0.270 (6.86) 0.250 (6.35)
5 6 7 8
0.270 (6.86) 0.250 (6.35)
0.390 (9.91) 0.370 (9.40)
5
6
7
8
SEATING PLANE
0.070 (1.78) 0.045 (1.14) 0.200 (5.08) 0.140 (3.55) 0.020 (0.51) MIN
SEATING PLANE
0.070 (1.78) 0.045 (1.14)
0.300 (7.62) TYP
0.200 (5.08) 0.140 (3.55)
0.020 (0.51) MIN
0.016 (0.41) 0.008 (0.20)
0.154 (3.90) 0.120 (3.05) 0.022 (0.56) 0.016 (0.41) 0.100 (2.54) TYP 0.016 (0.40) 0.008 (0.20) 15 MAX 0.300 (7.62) TYP
0.045 [1.14] 0.022 (0.56) 0.016 (0.41) 0.100 (2.54) TYP 0.315 (8.00) MIN 0.405 (10.30) MIN
Lead Coplanarity : 0.004 (0.10) MAX
Package Dimensions (0.4"Lead Spacing)
8 - Pin Dip
4
3
2
1
PIN 1 ID.
0.070 (1.78)
0.270 (6.86) 0.250 (6.35)
0.060 (1.52)
5
6
7
8
0.390 (9.91) 0.370 (9.40)
0.100 (2.54) 0.295 (7.49)
0.070 (1.78) 0.045 (1.14)
SEATING PLANE
0.415 (10.54)
0.030 (0.76)
0.200 (5.08) 0.140 (3.55)
0.004 (0.10) MIN
0.154 (3.90) 0.120 (3.05) 0.022 (0.56) 0.016 (0.41) 0.100 (2.54) TYP 0.016 (0.40) 0.008 (0.20) 0 to 15 0.400 (10.16) TYP
NOTE All dimensions are in inches (millimeters)
(c) 2004 Fairchild Semiconductor Corporation
Page 9 of 13
6/14/04
LVTTL/LVCMOS 3.3V HIGH SPEED TRANSISTOR OPTOCOUPLERS
SINGLE-CHANNEL: FOD050L DUAL-CHANNEL: FOD053L 8-PIN SOIC Package Dimensions (Surface Mount)
PIN 1 ID.
FOD250L
8-Pin Small Outline
0.024 (0.61)
0.164 (4.16) 0.144 (3.66)
SEATING PLANE
0.060 (1.52)
0.202 (5.13) 0.182 (4.63)
0.275 (6.99) 0.155 (3.94)
0.010 (0.25) 0.006 (0.16)
0.143 (3.63) 0.123 (3.13)
0.021 (0.53) 0.011 (0.28)
0.008 (0.20) 0.003 (0.08) 0.050 (1.27) TYP
0.244 (6.19) 0.224 (5.69)
0.050 (1.27)
Lead Coplanarity : 0.004 (0.10) MAX
(c) 2004 Fairchild Semiconductor Corporation
Page 10 of 13
6/14/04
LVTTL/LVCMOS 3.3V HIGH SPEED TRANSISTOR OPTOCOUPLERS
SINGLE-CHANNEL: FOD050L DUAL-CHANNEL: FOD053L 8-PIN DIP Carrier Tape Specifications
12.0 0.1 4.0 0.1 4.0 0.1 O1.55 0.05 1.75 0.10
FOD250L
4.90 0.20
0.30 0.05
7.5 0.1 13.2 0.2 16.0 0.3 10.30 0.20
0.1 MAX
10.30 0.20
O1.6 0.1
User Direction of Feed
Reflow Profile (FOD250L)
* Peak reflow temperature * Time of temperature higher than 245C * Number of reflows 260 C (package surface temperature) 40 seconds or less Three
300 250 Temperature (C) 200 150
10 s 260 245
40 s 100 50
50
100
150 Time (s)
200
250
(c) 2004 Fairchild Semiconductor Corporation
Page 11 of 13
6/14/04
LVTTL/LVCMOS 3.3V HIGH SPEED TRANSISTOR OPTOCOUPLERS
SINGLE-CHANNEL: FOD050L DUAL-CHANNEL: FOD053L 8-PIN SOIC Carrier Tape Specifications (FOD050L, FOD053L)
8.0 0.10 3.50 0.20 0.30 MAX 4.0 0.10 2.0 0.05 O1.5 MIN 1.75 0.10
FOD250L
5.5 0.05 8.3 0.10 12.0 0.3 5.20 0.20
0.1 MAX
6.40 0.20
O1.5 0.1/-0
User Direction of Feed
Reflow Profile (FOD250L)
300 Temperature (C) 250 200 150 100 50 0 0 0.5 1 1.5 2 2.5 3 3.5 4 4.5 Time (Minute) Time above 183C, 120-180 sec Ramp up = 2-10C/sec * Peak reflow temperature: 245C (package surface temperature) * Time of temperature higher than 183C for 120-180 seconds * One time soldering reflow is recommended 245C peak 230C, 10-30 s
(c) 2004 Fairchild Semiconductor Corporation
Page 12 of 13
6/14/04
LVTTL/LVCMOS 3.3V HIGH SPEED TRANSISTOR OPTOCOUPLERS
SINGLE-CHANNEL: FOD050L DUAL-CHANNEL: FOD053L FOD250L
DISCLAIMER FAIRCHILD SEMICONDUCTOR RESERVES THE RIGHT TO MAKE CHANGES WITHOUT FURTHER NOTICE TO ANY PRODUCTS HEREIN TO IMPROVE RELIABILITY, FUNCTION OR DESIGN. FAIRCHILD DOES NOT ASSUME ANY LIABILITY ARISING OUT OF THE APPLICATION OR USE OF ANY PRODUCT OR CIRCUIT DESCRIBED HEREIN; NEITHER DOES IT CONVEY ANY LICENSE UNDER ITS PATENT RIGHTS, NOR THE RIGHTS OF OTHERS. LIFE SUPPORT POLICY FAIRCHILD'S PRODUCTS ARE NOT AUTHORIZED FOR USE AS CRITICAL COMPONENTS IN LIFE SUPPORT DEVICES OR SYSTEMS WITHOUT THE EXPRESS WRITTEN APPROVAL OF THE PRESIDENT OF FAIRCHILD SEMICONDUCTOR CORPORATION. As used herein: 1. Life support devices or systems are devices or systems which, (a) are intended for surgical implant into the body, or (b) support or sustain life, and (c) whose failure to perform when properly used in accordance with instructions for use provided in the labeling, can be reasonably expected to result in a significant injury of the user. 2. A critical component in any component of a life support device or system whose failure to perform can be reasonably expected to cause the failure of the life support device or system, or to affect its safety or effectiveness.
(c) 2004 Fairchild Semiconductor Corporation
Page 13 of 13
6/14/04

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