TSL220

LIGHT-TO-FREQUENCY CONVERTER

SOES003 – AUGUST 1990 – REVISED JUNE 1991

2

POST OFFICE BOX 655303

functional block diagram

Light

TSL220

I/f

Current to

Frequency

Converter

Photodiode

absolute maximum ratings over operating free-air temperature range (unless otherwise noted)

12 V

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

–25

°C to 70°C

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Storage temperature range

– 25

°C to 85°C

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Lead temperature 1,6 mm (1/16 inch) from case for 10 seconds

260

°C

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

NOTE 1: All voltage values are with respect to GND (pin 5).

recommended operating conditions

MIN

NOM

MAX

UNIT

Supply voltage, VCC

4

5

10

V

Output frequency, fo (C ≤ 100 pF)

750

kHz

Operating free-air temperature range, TA

–25

70

°C

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

VOM

Peak output voltage

RL = 50 kΩ

3

4

V

ICC

Supply current

C = 100 pF,

Ee = 0

7.5

10

mA

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

f

Output frequency

Ee = 125 µW/cm2, λ = 880 nm, C = 100 pF

50

150

250

kHz

fo

Output frequency

Ee = 0,

C = 100 pF

0

1

50

Hz

tw

Output pulse duration

C = 470 pF

1

µs

tr

Output pulse rise time

C = 100 pF

20

ns

tf

Output pulse fall time

C = 100 pF

120

ns