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PRELIMINARY DATA SHEET
NEC's HIGH CMR, 10 Mbps 3.3V OPEN COLLECTOR PS9821-1/-2 OUTPUT TYPE SO8 OPTOCOUPLER
DESCRIPTION
NEC's PS9821 is an optically coupled high-speed isolator containing a GaAlAs LED on the input side and a photodiode and a signal processing circuit on the output side on one chip.
FEATURES
* Supply Voltage 3.3V * Open collector output * High common mode transient immunity (CMH, CML = 15 kV/s Min.) * Small package (SO8) * High-speed (10 Mbps) * High isolation voltage (BV = 2 500 Vr.m.s.)
APPLICATIONS
* Factory Automation Network * Measurement equipment * PDP
The information in this document is subject to change without notice. Before using this document, please confirm that this is the latest version.
California Eastern Laboratories
PS9821-1/-2
PACKAGE DIMENSIONS (UNIT: mm)
PS9821-1/-2
Preliminary Data Sheet
PS9821-1/-2
ABSOLUTE MAXIMUM RATINGS (TA = 25 C, unless otherwise specified)
Parameter Diode Forward Current Reverse Voltage
Detector
Symbol IF VR VCC VO IO PC BV TA Tstg
Ratings 20 5 7 7 25 40 2 500 -40 to +85 -55 to +125
Unit mA V V V mA mW Vr.m.s. C C
Supply Voltage Output Voltage Output Current Power Dissipation
*1
Isolation Voltage
Operating Ambient Temperature Storage Temperature
*1 AC voltage for 1 minute at TA = 25C, RH = 60% between input and output.
RECOMMENDED OPERATING CONDITIONS
Parameter Low Level Input Voltage High Level Input Current Supply Voltage TTL (RL = 1 k, loads) Pull-up resistor Symbol VFL IFH VCC N RL 330 MIN. 0 6.3 2.7 TYP. MAX. 0.8 12.5 3.6 5 4k Unit V mA V
Preliminary Data Sheet
PS9821-1/-2
ELECTRICAL CHARACTERISTICS (TA = -40 to +85C, unless otherwise specified)
Parameter Diode Forward Voltage Reverse Current Terminal Capacitance Detector High Level Output Current Low Level Output Voltage
*2
Symbol VF IR Ct IOH VOL ICCH ICCL IFHL
Conditions IF = 10 mA, TA = 25C VR = 3 V, TA = 25C V = 0 V, f = 1 MHz, TA = 25C VCC = VO =3.3 V, VF = 0.8 V VCC = 3.3 V, IF = 5 mA, IOL = 8 mA VCC = 3.3 V, IF = 0 mA VCC = 3.3 V, IF = 10 mA VCC = 3.3 V, VO = 0.8 V, RL = 350 VI-O = 1 kVDC, RH = 40 to 60%, TA = 25C V = 0 V, f = 1 MHz, TA = 25C VCC = 3.3 V, RL = 350 , IF = 7.5 mA TA = 25C
MIN. 1.4
TYP.
*1
MAX. 1.8 10
Unit V
1.65
A
pF
30 0.3 0.3 4.5 7.0 3 50 0.6 7 10 5
A
V mA mA mA
High Level Supply Current Low Level Supply Current Coupled Threshold Input Current (H L) Isolation Resistance Isolation Capacitance Propagation Delay Time (H L)
*3
RI-O CI-O tPHL
10
11
0.9 75 pF ns
Propagation Delay Time (L H)
*3
tPLH
VCC = 3.3 V, RL = 350 , IF = 7.5 mA TA = 25C
90
ns
Rise Time Fall Time Pulse Width Distortion *3 (PWD) Propagation Delay Skew Common Mode Transient Immunity at High *4 Level Output Common Mode Transient Immunity at Low *4 Level Output
tr tf
VCC =3.3 V, RL = 350 , IF = 7.5 mA VCC = 3.3 V, RL = 350 , IF = 7.5 mA
20 10 25 ns
tPHL-tPLH VCC =3.3 V, RL = 350 , IF = 7.5 mA TA = 25C tPSK VCC = 3.3 V, RL = 350 , IF = 7.5 mA TA = 25C CMH RL = 350 , TA = 25C, IF = 0 mA, VO (MIN.) = 2 V, VCM = 50V RL = 350 , TA = 25C, IF = 7.5 mA, VO (MAX.) = 0.8 V, VCM = 50V 15
40
kV/s
CML
15
kV/s
Life Support Applications These NEC products are not intended for use in life support devices, appliances, or systems where the malfunction of these products can reasonably be expected to result in personal injury. The customers of CEL using or selling these products for use in such applications do so at their own risk and agree to fully indemnify CEL for all damages resulting from such improper use or sale.
08/30/2004
A Business Partner of NEC Compound Semiconductor Devices, Ltd.
Preliminary Data Sheet

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