SA8803 datasheet(8/10 Pages) SAMES

Part #	SA8803

Description	LIGHT EMITTING DIODE DRIVER

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Manufacturer	SAMES [Sames]

Direct Link	http://www.sames.co.za

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SA8803

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V

DD

Logic Supply

4.5

5.0

5.5

V

Voltage

V

SS

Analog Supply

-5.5

-5.0

-4.5

V

Voltage

K

T

Current Transfer

10.5

Ratio

∆K

T

Delta Current

I

D = 10 mA

± 15

%

Transfer Ratio

I

D

LED Current

Programmed

10

mA

Value

F

O

Operating

Must be ± 3% of

0.4

128

448

kHz

Frequency 1

8 x Baud Rate

NOTE 1)

The operating frequency range for F

O is wide enough to cover baud rates

from 50 to 56000 bps.

Symbol

Parameter

Condition

Min

Typ

Max Unit

CMOS INTERFACE

V

IL

Low Level

1.5

V

Input Voltage

V

IH

High Level

3.5

V

Input Voltage

V

OL

Low Level

I

O ≤ ± 4 mA

1.0

V

Output Voltage

V

OH

High Level

I

O ≤ ± 4 mA

V

DD -1.0

V

Output Voltage

V

T+

Schmitt. Trig.

3.4

4.0

V

+ve Threshold

V

T-

Schmitt. Trig.

1.4

2.0

V

-ve Threshold

GENERAL

I

IL

Low Level

V

I = VSS

-10

<1

10

µA

Input Current

I

IH

High Level

V

I = VDD

-10

<1

10

µA

Input Current

I

ILU

Input Current

V

I = VSS

-200

-50

-10

µA

with Pull Up

I

IHD

Input Current

V

I = VDD

10

50

200

µA

with Pull Down

I

OZ

Tri-state

V

O = OV or VDD

-10

<1

10

µA

Output Leakage

V

ESD

Electrostatic

C = 100pF

2000

V

Protection

R = 1.5Kohm

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