AT90-0233_1 [TE]
Digital Attenuator 30dB, 4-Bit, TTL Driver, DC-2.5 GHz; 数字衰减器30分贝， 4位， TTL驱动器， DC- 2.5 GHz的
| 型号： | AT90-0233_1 |
| 厂家： | 
TE CONNECTIVITY |
| 描述： | Digital Attenuator 30dB, 4-Bit, TTL Driver, DC-2.5 GHz |
| 文件： | 总4页 (文件大小：216K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
Digital Attenuator, 30 dB, 4-Bit, T T L Driv er
DC - 2 .5 G H z
AT 9 0-02 33
V 3
Features
CSP-1
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Attenuation: 2 dB Steps to 30 dB
Low DC Power Consumption
Small Footprint, JEDEC Package
Integral TTL Driver
50 Ohm Impedance
Test Boards Available
Tape and Reel Packaging Available
Description
M/A-COM‘s AT90-0233 is a GaAs FET 4-Bit digital
attenuator with integral driver. Step size is 2 dB
providing a 30 dB attenuation range. This device is
in an FQFP-N plastic surface mount package. The
AT90-0233 is suited for use where accuracy, fast
speed, very low power consumption and low costs
are required.
Ordering Information
Pin Configuration
Part Number
Package
AT90-0233
Bulk Packaging
Pin No.
Function
Pin No.
Function
AT90-0233TR
AT90-0233-TB
Tape and Reel (1K Reel)
Units Mounted on Test Board
1
2
GND
C16
C8
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
NC
NC
3
NC
Note: Reference Application Note M513 for reel size
information.
4
C4
NC
5
C2
NC
Truth Table
6
GND
GND
NC
NC
C16
C6
C4
C2
Attenuation
7
NC
8
NC
0
0
0
0
Loss, Reference
9
NC
NC
0
0
0
1
1
0
0
1
0
1
0
1
0
0
1
1
0
0
0
1
2.0 dB
4.0 dB
8.0 dB
16.0 dB
30.0 dB
10
11
12
13
14
15
16
NC1
GND
RF1
GND
NC
GND
RF2
GND
NC1
-Vee
NC
NC
NC
+Vcc
0 = TTL Low; 1 = TTL High
1.Pins 10 & 29 must be isolated
1
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.
• 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.
Digital Attenuator, 30 dB, 4-Bit, T T L Driv er
DC - 2 .5 G H z
AT 9 0-02 33
V 3
Electrical Specifications: TA = +25°C
Parameter
Test Conditions
Frequency
Units
Min.
Typ.
Max.
Insertion Loss
–
DC - 2.5 GHz
dB
–
2.7
3.0
Attenuation Accuracy
Individual Bits or
Any Combination of Bits
DC - 2.5 GHz
DC - 2.5 GHz
dB
–
–
–
±(.3 +5% of atten setting)
1.8:1
VSW R
Full Range
Ratio
1.5:1
Switching Speed
50% Cntl to 90%/10% RF
10% to 90% or 90% to 10%
–
–
nS
nS
–
–
75
20
150
50
1 dB Compression
Input IP3
–
–
50 MHz
0.5 - 2.5 GHz
dBm
dBm
–
–
+21
+29
–
–
Two-tone inputs up to +5 dBm
50 MHz
0.5 - 2.5 GHz
dB
dB
–
–
+35
+48
–
–
+Vcc
-Vee
–
–
–
–
V
V
4.75
-8.0
5.0
-5.0
5.25
-4.75
Logic —0“
Logic —1“
Sink Current is 20 µA max.
–
–
–
–
–
V
V
0.0
2.0
–
–
–
0.8
5.0
6
Source Current is 20 µA max.
Icc
Vcc min to max,
Logic —0“ or —1“
mA
mA
oC/W
0.2
-0.2
15
-Iee
-Vee min to max,
Logic —0“ or —1“
-1
Thermal Resistance
–
–
–
ꢀJA
Recommended PCB Configuration5
Absolute Maximum Ratings 3
Parameter
Absolute Maximum
Max. Input Power
0.05 GHz
+27 dBm
+34 dBm
0.5 - 2.5 GHz
Supply Voltages
Vcc
Vee
+5.5V
-8.5V
Logic Voltage4
-0.5V to Vcc +0.5V
-40°C to +85°C
Operating Temperature
Storage Temperature
-65°C to +125°C
3. Exceeding any one or combination of these limits may cause
permanent damage to this device.
4. Standard CMOS TTL interface, latch-up will occur if logic
signal is applied prior to power supply.
5. Application Note 2083 is available on line at
www.macom.com
2
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.
• 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.
Digital Attenuator, 30 dB, 4-Bit, T T L Driv er
DC - 2 .5 G H z
AT 9 0-02 33
V 3
Typical Performance Curves @ 25ºC
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.
• 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.
Digital Attenuator, 30 dB, 4-Bit, T T L Driv er
DC - 2 .5 G H z
AT 9 0-02 33
V 3
4
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.
• 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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