ET9600 [ETC]
THREE CHANNEL DIFFERENTIAL LINE DRIVER IC; 三通道差分线路驱动器IC
| 型号： | ET9600 |
| 厂家： | 
ETC |
| 描述： | THREE CHANNEL DIFFERENTIAL LINE DRIVER IC |
| 文件： | 总2页 (文件大小：35K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
THREE CHANNEL DIFFERENTIAL
ET9600
LINE DRIVER IC
With built-in current sink to drive an LED
FEATURES
•
•
•
•
•
•
•
•
Supply Voltage Range 4.5V to 30V
Operation to 800KHz
CMOS and TTL Compatible Inputs
Outputs RS-422A Compatible
High Impedance Buffered Inputs with Hysteresis
Outputs short circuit protected
70mA peak SINK/SOURCE current
Outputs Protected by Thermal Shut-Down
APPLICATIONS
•
Optical Encoders
•
Industrial Controls
DESCRIPTION
These line drivers are similar to the four channel 26ET31, with the added feature of providing an internal LED drive.
The device is biased so that the base of the LED drive transistor (shown) is held at 2.5V. To set the LED current,
connect a resistor from RSET to ground. For more information on LED drive, see application note APP-D2.
Voltage connected to the VCC pin is regulated for use by logic functions within the chip, while the output drivers run
off this voltage without modification.
The device marking (see photo) includes the suffix SCP to denote that this version has ‘short circuit protection’.
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 A1
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 2
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
Note 1
Note 1
Overtemp Operate Point (junction)
Overtemp Release Point (junction)
TJOP
TJRP
155
105
°C
°C
Icc1
Icc2
VT+
7.0
9.0
1.1
11.0
12.0
1.5
17.0
20.0
1.9
Vcc = 4.5 V
Vcc = 30.0V
Supply Current
mA
Input Positive-Going Threshold
Input Negative-Going Threshold
Low Level Input Current
High Level Input Current
Low Level Output
V
VT-
IIL
0.7
1.0
-0.1
0
1.4
-4.0
4.0
V
µA
µA
mV
VIN = 0V
VIN = 5V
IIH
VOL
150
375
VCC = 4.5V-30V
IOL = 10mA
High Level Output
High Level Output
VOH
VOH
2.4
2.9
V
V
IOH = -10mA,VCC =
27.8
28.4
IOH = -10mA,VCC = 30V
NOTES:
1. This is not a test parameter, but for information
only.
2. It may be necessary to clamp the outputs with
Schottky diodes when driving extemely long
cables with high capacitance between outputs.
These diodes should have a forward voltage of
less than 0.4V, and be connected with cathode to
the output and anode to ground.
PACKAGE
Chip Only
SUFFIX
-C
14 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 A1
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 2
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