MAAD-007228-0001TB 查看數據表（PDF） - Tyco Electronics
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MAAD-007228-0001TB Datasheet PDF : 4 Pages
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Digital Attenuator
30.0 dB, 4-Bit, TTL Driver, DC-2.0 GHz
Absolute Maximum Ratings 4,5
Parameter
Absolute Maximum
Max Input Power
0.5 GHz
0.5 - 2.0 GHz
+27 dBm
+34 dBm
Supply Voltages
VCC
VEE
Control Voltage6
Operating Temperature
+5.5V
-8.5V
-0.5V to VCC + 0.5V
-55°C to +125°C
Storage Temperature
-65°C to +150°C
4. Exceeding any one or combination of these limits may cause
permanent damage to this device.
5. M/A-COM does not recommend sustained operation near
these survivability limits.
6. Standard CMOS TTL interface, latch-up will occur if logic
signal is applied prior to power supply.
Handling Procedures
Please observe the following precautions to avoid
damage:
Static Sensitivity
Gallium Arsenide Integrated Circuits are sensitive
to electrostatic discharge (ESD) and can be
damaged by static electricity. Proper ESD control
techniques should be used when handling these
devices.
Typical Performance Curves
Ref. Insertion Loss vs. Frequency
+ 8 5 °C
+ 2 5 °C
- 5 5 °C
5.0
4.0
3.0
2.0
1.0
0.0
0.0
0.5
1.0
1.5
2.0
Frequency (GHz)
3
M/A-COM Inc. and its affiliates reserve the right to make changes to the
product(s) or information contained herein without notice. M/A-COM makes
no warranty, representation or guarantee regarding the suitability of its
products for any particular purpose, nor does M/A-COM assume any liability
whatsoever arising out of the use or application of any product(s) or
information.
RoHS
Compliant
AT-233-PIN
V4
Recommended PCB Configuration
Truth Table (Digital Attenuator)
Control Inputs
C4
C3
C2
C1
Attenuation
0
0
0
0
Reference
0
0
0
1
2 dB
0
0
1
0
4 dB
0
1
0
0
8 dB
1
0
0
0
16 dB
1
1
1
1
30 dB
0 = TTL Low; 1 = TTL High
VSWR vs. Frequency
2.00
2 dB 4 dB 8 dB 16 dB Re f Loss S ta te
1.80
1.60
1.40
1.20
1.00
0.0
0.5
1.0
1.5
2.0
Frequency (GHz)
• North America Tel: 800.366.2266 / Fax: 978.366.2266
• Europe Tel: 44.1908.574.200 / Fax: 44.1908.574.300
• Asia/Pacific Tel: 81.44.844.8296 / Fax: 81.44.844.8298
Visit www.macom.com for additional data sheets and product information.
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