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ET9560-C [ETC]

3 CHANNEL DIFFERENTIAL AMPLIFIER-COMPARATOR; 3通道差分放大器，比较器
ET9560-C
型号： ET9560-C
厂家： ETC    ETC
描述：

3 CHANNEL DIFFERENTIAL AMPLIFIER-COMPARATOR
3通道差分放大器，比较器

比较器 放大器
文件： 总3页 (文件大小：41K)
中文：  中文翻译
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3 CHANNEL DIFFERENTIAL  
ET9560  
AMPLIFIER-COMPARATOR  
(For 2 data channels and ungated index channel)  
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  
Symbol  
Min.  
-40  
Max.  
125  
Units  
Ref.  
Operating Temperature  
Range  
TA  
°C  
Note 1  
Supply Voltage Range  
VCC  
4.5  
30  
V
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  
Tel +49-6135-9292-0  
Fax +49-6135-9292-192  
http://www.ichaus.com  
Integrated Circuits  
Am Kuemmerling 18, D-55294 Bodenheim  
Page 1 of 3  
ELECTRICAL CHARACTERISTICS  
Unless otherwise specified, typical values given at VCC=12V, TA = 25°C, with LED and RSET open.  
Parameters  
Symbol  
Min.  
Typ.  
Max.  
Units  
Test Conditions  
Vcc = 4.5 V  
Vcc = 30.0V  
Icc1  
Icc2  
VCM  
IIA  
IIP  
IID  
4.5  
5.0  
7.2  
8.0  
1.35  
0.3  
0.5  
0.1  
5:1  
1.25:  
1
11.5  
12.5  
Supply Current  
mA  
Input Common Mode Voltage  
Average Photocurrent Input  
Peak Photocurrent Input  
Dark Cell Level  
Photocurrent Contrast Ratio  
Comparator Threshold  
V
0.066  
0.13  
0.02  
2:1  
40  
60  
20  
µA  
µA  
µA  
Each input  
Each input  
Each input  
Peak:Dark Cell  
Ratio of Differential  
Inputs  
IIR  
Output High Level Voltage  
Output Low Level Voltage  
VOH  
VOL  
IOS  
2.5  
28.0  
3.0  
28.5  
199  
V
IOH = -4mA,VCC = 4.5V  
IOH = -4mA,VCC = 30V  
VCC = 4.5V-30V  
IOL = 8mA  
400  
50  
mV  
mA  
mA  
V
Output Short-Circuit Current  
Driving High (All Outputs)  
Output Short-Circuit Current  
Driving Low (All Outputs)  
RSET Voltage  
15  
30  
25  
70  
VCC = 5V, VOUT = 0V  
IOS  
120  
2.1  
VCC = 5V, VOUT = 5V  
R = 180 ohms  
VRSET  
1.3  
1.7  
AC SWITCHING CHARACTERISTICS  
Values given at VCC = 5V, TA = 25°C, CL = 15pF on all outputs.  
Parameters  
Symbol  
Min.  
Typ.  
Max  
.
Units  
Test Conditions  
Pre-Amplifier Bandwidth  
BWPA  
TPD  
900  
850  
KHz  
ns  
Photocurrent = 1µA  
Minimum  
Propagation delay from Comparator  
Input to Output  
Output Rise Time  
Output Fall Time  
TR  
TF  
100  
20  
ns  
ns  
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  
Tel +49-6135-9292-0  
Fax +49-6135-9292-192  
http://www.ichaus.com  
Integrated Circuits  
Am Kuemmerling 18, D-55294 Bodenheim  
Page 2 of 3  
NOTES:  
1. This is not a test parameter, but for information  
only.  
PACKAGE  
Chip Only  
SUFFIX  
-C  
16 Lead SOIC  
-SOP  
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  
Tel +49-6135-9292-0  
Fax +49-6135-9292-192  
http://www.ichaus.com  
Integrated Circuits  
Am Kuemmerling 18, D-55294 Bodenheim  
Page 3 of 3  

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