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ET9560

ETIC
Part Number ET9560
Manufacturer ETIC
Description 3 CHANNEL DIFFERENTIAL AMPLIFIER-COMPARATOR
Published Jan 21, 2007
Detailed Description www.DataSheet4U.com 3 CHANNEL DIFFERENTIAL AMPLIFIER-COMPARATOR (For 2 data channels and ungated index channel) ET9560...
Datasheet PDF File ET9560 PDF File

ET9560
ET9560


Overview
www.
DataSheet4U.
com 3 CHANNEL DIFFERENTIAL AMPLIFIER-COMPARATOR (For 2 data channels and ungated index channel) ET9560 FEATURES • • • • • • • Supply Voltage Range 4.
5V to 30V Operation to 1MHz Designed for photodiode inputs Ungated Index channel Current sink for LED drive (see application note APP-D2) Outputs short circuit protected 25mA peak drive current APPLICATIONS • • High Speed Optical Encoders Industrial Controls DESCRIPTION These devices are specifically designed as receiver circuits for the photodiode signals available in optical encoders.
Connect the anode of the photodiodes to the input pins, with the cathode(s) connected to Vcc for reverse-bias operation.
The input amplifiers have a dynamic range of nearly 1000:1, and allow contrast ratios of encoded signal to common mode signal of as low as 2:1.
Differential inputs enhance noise rejection and performance over temperature.
Gating of the Z channel provides synchronization of the reference pulse to the data channel phasing.
ABSOLUTE MAXIMUM RATINGS Parameter Operating Temperature Range Supply Voltage Range Symbol TA VCC Min.
-40 4.
5 Max.
125 30 Units °C V Ref.
Note 1 ETIC RESERVES THE RIGHT TO MAKE CHANGES AT ANY TIME TO IMPROVE THE DESIGN AND TO SUPPLY THE BEST PRODUCT.
©2000, Rev B0 iC-Haus GmbH Integrated Circuits Am Kuemmerling 18, D-55294 Bodenheim Page 1 of 3 Tel +49-6135-9292-0 Fax +49-6135-9292-192 http://www.
ichaus.
com ELECTRICAL CHARACTERISTICS Unless otherwise specified, typical values given at VCC=12V, TA = 25°C, with LED and RSET open.
Parameters Supply Current Input Common Mode Voltage Average Photocurrent Input Peak Photocurrent Input Dark Cell Level Photocurrent Contrast Ratio Comparator Threshold Output High Level Voltage Output Low Level Voltage Output Short-Circuit Current Driving High (All Outputs) Output Short-Circuit Current Driving Low (All Outputs) RSET Voltage Symbol Icc1 Icc2 VCM IIA IIP IID IIR Min.
4.
5 5.
0 0.
066 0.
13 0.
02 2:1 Typ.
7.
2 8.
0 1.
35 0.
3 0.
5 0.
1 5:1 1.
25: 1 3.
0...


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