PS9121 datasheet(6/15 Pages) CEL

6 / 15 page

PS9121

*1 Typical values at TA = 25

°C

*2 These values are reference values.

*3 Because VOL of 2 V or more may be output when LED current input and when output supply of VCC = 2.6 V or

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

before using this device.

*4 Test circuit for propagation delay time

Input

Output

1.5 V

VOL

tPHL

tPLH

(IF = 7.5 mA)

50%

Pulse input (IF)

VO (monitor)

VCC = 3.3 V

Input

(monitor)

0.1 F

CL = 15 pF

RL = 350

(PW = 1 s,

Duty cycle = 1/10)

Remark CL includes probe and stray wiring capacitance.

*5 Test circuit for common mode transient immunity

90%

10%

1 kV

0 V

VOH

2 V

0.8 V

VOL

VCM

(IF = 0 mA)

(IF = 7.5 mA)

VO (monitor)

VCC = 3.3 V

0.1 F

CL = 15 pF

VCM

RL = 350

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 PN10502EJ05V0DS

PS9121 Datasheet(PDF) 6 Page - California Eastern Labs

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