PS9122-V datasheet(7/18 Pages) CEL

Part #	PS9122-V

Description	The PS9122 is an optical coupled high-speed, active low type isolator containing a GaAlAs LED on the input side

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Manufacturer	CEL [California Eastern Labs]

Direct Link	http://www.cel.com

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*1, 5. Typical values at TA = 25

°C

*2, 6. Because VOL of 2 V or more may be output when LED current input and when output supply of VCC = 2 V

more or less, it is important to confirm the characteristics (operation with the power supply on and off) during

design, before using this device.

*3, 7. Test circuit for propagation delay time

Input

Output

1.5 V

VOL

tPHL

tPLH

(IF

50%

47

Ω

Pulse input (IF)

VO (monitor)

VCC = 3.3 V (N rank)

VCC = 5 V

(L rank)

Input

(monitor)

0.1 F

μ

CL = 15 pF

RL = 350

Ω

(PW = 1 s,

Duty cycle = 1/10)

= 7.5 mA)

μ

Remark CL includes probe and stray wiring capacitance.

*4, 8. Test circuit for common mode transient immunity

90%

10%

VCM

VO

(IF = 0 mA)

VO

(IF = 7.5 mA)

1 kV

0 V

VOH

2 V

0.8 V

VOL

tr

tf

VO (monitor)

0.1 F

μ

CL = 15 pF

SW

VCM

IF

RL = 350

Ω

VCC = 3.3 V (N rank)

VCC = 5 V

(L rank)

Remark CL includes probe and stray wiring capacitance.

USAGE CAUTIONS

1. This product is weak for static electricity by designed with high-speed integrated circuit so protect against static

electricity when handling.

2. By-pass capacitor of 0.1

μF is used between VCC and GND near device. Also, ensure that the distance between

the leads of the photocoupler and capacitor is no more than 10 mm.

3. Avoid storage at a high temperature and high humidity.

Data Sheet PN10697EJ02V0DS

7

PS9122

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PS9122-V Datasheet(PDF) 7 Page - California Eastern Labs

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