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PS8551L4
ANALOG OUTPUT TYPE
OPTICAL COUPLED ISOLATION AMPLIFIER
Preliminary Data Sheet
R08DS0039EJ0200
Rev.2.00
Sep 06, 2011
DESCRIPTION
The PS8551L4 is an optically coupled isolation amplifier that uses an IC with a high-accuracy sigma-delta A/D
converter and a GaAIAs light-emitting diode with high-speed response and high luminance efficiency on the input side,
and an IC with a high-accuracy D/A converter on the output side.
The PS8551L4 is designed specifically for high common mode transient immunity (CMTI) and high linearity (non-
linearity). The PS8551L4 is suitable for current sensing in motor drives.
FEATURES
• Non-linearity (NL200 = 0.35% MAX.)
• High common mode transient immunity (CMTI = 10 kV/μs MIN.)
• High isolation voltage (BV = 5 000 Vr.m.s.)
• Gain tolerance (G = 7.76 to 8.24 (±3%))
Gain: 8 V/V TYP.
• Package: 8-pin DIP lead bending type (Gull-wing) for long creepage distance for
surface mount (L4)
• Embossed tape product: PS8551L4-E3 : 1 000 pcs/reel
• Pb-Free product
• Safety standards
• UL approved: No. E72422
• CSA approved: No. CA 101391 (CA5A, CAN/CSA-C22.2 60065, 60950)
• SEMKO approved: No. 1111155
• DIN EN60747-5-2 (VDE0884 Part2) approved: No. 40019182www.DataSheet.co.kr (Option)
PIN CONNECTION
(Top View)
8765
1234
1. VDD1
2. VIN+
3. VIN–
4. GND1
5. GND2
6. VOUT–
7. VOUT+
8. VDD2
APPLICATIONS
• AC Servo, inverter
• Measurement equipment
The mark <R> shows major revised points.
The revised points can be easily searched by copying an "<R>" in the PDF file and specifying it in the "Find what:" field.
R08DS0039EJ0200 Rev.2.00
Sep 06, 2011
Page 1 of 17
Datasheet pdf - http://www.DataSheet4U.net/

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PS8551L4
PACKAGE DIMENSIONS (UNIT: mm)
Lead Bending Type (Gull-wing) For Long Creepage Distance For Surface Mount (L4)
Chapter Title
9.25+–00..255
1.01+–00..24
10.05±0.4
6.5+–00..15
0.5±0.15
2.54
0.62±0.25
PHOTOCOUPLER CONSTRUCTION
Parameter
Air Distance
Outer Creepage Distance
Isolation Distance
Unit (MIN.)
8 mm
8 mm
0.4 mm
www.DataSheet.co.kr
R08DS0039EJ0200 Rev.2.00
Sep 06, 2011
Page 2 of 17
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PS8551L4
<R> MARKING EXAMPLE
Chapter Title
No. 1 pin
Mark
R
8551
NT131
Company Initial
Type Number
Assembly Lot
N T 1 31
Week Assembled
Year Assembled
(Last 1 Digit)
In-house Code
(T: Pb-Free)
Rank Code
ORDERING INFORMATION
Part Number
Order Number
Solder Plating
Specification
Packing Style
Safety Standard
Approval
PS8551L4
PS8551L4-AX
Pb-Free
Magazine case 50 pcs
Standard products
PS8551L4-E3 PS8551L4-E3-AX (Ni/Pd/Au)
Embossed Tape 1 000 pcs/reel (UL, CSA, SEMKO
approved)
PS8551L4-V
PS8551L4-V-AX
PS8551L4-V-E3 PS8551L4-V-E3-AX
Magazine case 50 pcs
www.DataSheet.co.kr
Embossed Tape 1 000 pcs/reel
DIN EN60747-5-2
(VDE0884 Part2)
Approved (Option)
Application Part
Number*1
PS8551L4
*1 For the application of the Safety Standard, following part number should be used.
R08DS0039EJ0200 Rev.2.00
Sep 06, 2011
Page 3 of 17
Datasheet pdf - http://www.DataSheet4U.net/