iC-PN2624
PHASED ARRAY NONIUS ENCODER 26-1024
Rev B1, Page 2/7
DESCRIPTION
The optical encoder iC-PN2624 features monolithi- track, generating positive and negative going sine
cally integrated photosensors arranged in a phased- signals, as well as positive and negative going cosine
array.
signals. An excellent matching and common mode
behavior of the differential signal paths is obtained
A high transimpedance gain of typically 4 MΩ gener- by a paired amplifier design, reducing the needs for
ates output signals of a few hundret Millivolts already external signal calibration to an absolute minimum.
from illumination levels of 1 to 3 mW/cm2. In most
cases no additional measures must be considered to The spectral sensitivity range includes visible to near
filter for noise and interferences.
infrared light, with the maximum sensitivity being
close to a wavelength of 680 nm. An output voltage
Analog nonius encoders are the typical applica- of approximately 1 V is typical under low light condi-
tion for iC-PN2624. Its 3-track scanning features tions, for instance when iC-PN2624 is illuminated at
a phased-array of multiple photosensors each per only 1.5 mW/cm2 by an 740 nm LED.
PACKAGES INFORMATION
PAD LAYOUT (2.88 mm x 3.37 mm)
PAD FUNCTIONS
No. Name Function
1 VCC +4.5..5.5 V Supply Voltage
2 VREF Reference Voltage Output
3 PS_N N-Track Sine +
4 NS_N N-Track Sine -
5 PS_M M-Track Sine +
6 NS_M M-Track Sine -
7 PS_S S-Track Sine +
8 NS_S S-Track Sine -
9 NC_S S-Track Cosine -
10 PC_S S-Track Cosine +
11 NC_M M-Track Cosine -
12 PC_M M-Track Cosine +
13 NC_N N-Track Cosine -
14 PC_N N-Track Cosine +
15 GND Ground
All outputs are analog voltage outputs.
ICHAUS [ IC-HAUS GMBH ]
