iC-OC

INTEGRATING LIGHT-VOLTAGE CONVERTER

Rev D1, Page 2/9

DESCRIPTION

iC-OC is an optical sensor with two photodiodes, two

integrating amplifiers and a control logic which en-

ables several iC-OCs to be connected in a chain.

Furthermore, the control logic, consisting of a two-

stage shift register, determines when the integration

time starts and ends and switches the integrators

in sequence to the analogue output. The analogue

output is a source follower and in its deactivated

state has a high impedance and can thus be used

in buses.

The control logic output supplies a CMOS compatible

signal and in chain connection it can be directly linked

to the digital input of the next device. Logic inputs are

configured as Schmitt triggers and are TTL/CMOS-

compatible.

All the registers in the device are reset with low

voltage (power-down reset). All pins are protected

against ESD.

CHIP LAYOUT

PIN CONFIGURATION Chip

D1

D2

GND

AOUT

VDD

DOUT

CLK

DIN

PIN FUNCTIONS

No. Name Function

DIN

Input

CLK

Clock Input

DOUT Data Output

VDD

+5 V Supply Voltage

AOUT Analogue Output

GND

Ground