8

ACS103 Issue 2.03 May 1996.

2

Absolute Maximum Ratings

Parameter

Symbol

Min

Max

Units

Power supply VD+ and VA+

(VDD = VD+ or VA+)

VDD

-0.3

6.0

V

Input voltage

(non-supply pins)

Vin

GND - 0.3

VDD + 0.3

V

Input current

(except LDN,LDP,CNT,VG)

Iin

-

10.0

mA

Input current

( LDN,LDP,CNT)

Iin

-

1.0

mA

Storage temperature

Tstor

-50

160

ºC

Operating Conditions

Parameter

Symbol

Min

Typ

Max

Units

Power supply

(VA+ and VD+)

V+

4.75

5.0

5.25

V

Ambient temperature range

TA

-40

-

85

ºC

Static Digital Input Characteristics (for specified operating conditions)

Input pins: DR 1/2/3/4 , DM 1/2/3, SEL, CKC, RSS, TXD1/2/3, RTS, DTR, XI3, XTI, PORB,

TxCL(input).

Link Budget Examples

Cable

200 micron

100 micron

62.5 micron

50 micron

Typical transmit couple power to fiber (µW)

1200

260

100

40

Minimum LED responsivity (A/W)

0.05

0.06

0.1

0.12

Available current (µA)

60

15.6

10

4.8

Minimum ACS103 sensitivity (nA)

650

650

650

650

Link Budget (dB)

20

14

12

8

Above examples using nominal "B" spec. LED diodes. "A" spec. LEDs offer superior performance, e.g. > 12 dB link budget

on 50 µm fiber. "A" spec. LEDs are available from Acapella.

Parameter

Symbol

Min

Typ

Max

Units

Vin High (except PORB)

Vih

2.0

-

-

V

Vin Low (except PORB)

Vil

-

-

0.8

V

Vin High (PORB)

Vih

0.8 * VD+

-

-

V

Vin Low (PORB)

Vil

-

-

0.2 * VD+

V

Pull-up resistor

(except XTI and TxCL)

PU

50k

125k

340k

Ω

Input current (Note 1)

Iin

-

-

100

µA

Note 1: