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AA280 데이터시트 PDF




Alpha Industries에서 제조한 전자 부품 AA280은 전자 산업 및 응용 분야에서
광범위하게 사용되는 반도체 소자입니다.


PDF 형식의 AA280 자료 제공

부품번호 AA280 기능
기능 GaAs IC 5 Bit Digital Attenuator 0.5 dB LSB DC-2 GHz
제조업체 Alpha Industries
로고 Alpha Industries 로고


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AA280 데이터시트, 핀배열, 회로
GaAs IC 5 Bit Digital Attenuator
0.5 dB LSB DC–2 GHz
Features
I Attenuation 0.5 dB Steps to 15.5 dB
with High Accuracy
I Low DC Power Consumption
I Low Cost SOIC-16 Plastic Package
SOIC-16
PIN 16
PIN 1
INDICATOR
AA280-25
(Previously AD280-25)*
0.050
(1.27 mm) BSC
0.244 (6.20 mm)
0.228 (5.80 mm)
Description
The AD280-25 is a 5 bit, GaAs IC FET digital attenuator
in a low cost SOIC-16 package. This attenuator has an
LSB of 0.5 dB and a total attenuation of 15.5 dB.
The AD280-25 is particularly suited where high
attenuation accuracy, low insertion loss and low
intermodulation products are required. Typical applications
include cellular radio, wireless data, wireless local loop and
other gain level control circuits.
PIN 1
0.068
(1.73 mm) MAX.
0.020 (0.51 mm)
0.013 (0.33 mm)
0.049 (1.24 mm)
0.016 (0.41 mm)
0.016 MAX.
(0.41 mm)
x 45˚
CHAMFER
8˚ MAX.
0.394 (10.00 mm)
0.386 (9.80 mm)
0.010 (0.25 mm)
0.004 (0.10 mm)
0.0098 (0.25 mm)
0.0075 (0.19 mm)
0.158 (4.00 mm)
0.150 (3.80 mm)
Electrical Specifications at -40°C to +85°C (0, -5 V)
Parameter1
Insertion Loss3
Condition
Frequency2
DC–0.5 GHz
DC–1.0 GHz
DC–2.0 GHz
Min.
Typ.
1.1
1.4
1.7
Max.
1.3
1.7
2.0
Unit
dB
dB
dB
Attenuation Range
Attenuation Accuracy3
VSWR (I/O)4
Switching Characteristics5
Rise, Fall (10/90% or 90%/10% RF)
On, Off (50% CTL to 90%/10% RF)
Video Feedthru
DC–1.0 GHz
DC–2.0 GHz
DC–2.0 GHz
15.5
± (0.2 + 3% of
Attenuation Setting in dB)
± (0.4 + 3% of
Attenuation Setting in dB)
1.4:1
1.8:1
15
25
25
dB
dB
dB
nS
nS
mV
Input Power for 1 dB Compression
0.5–2.0 GHz
0.05 GHz
+24
+17
+29
+22
dBm
dBm
Intermodulation Intercept Point (IP3)
For Two-tone Input Power +5 dBm
0.5–2.0 GHz
0.05 GHz
+44
+35
+50
+40
dBm
dBm
Control Voltages
VLow = 0 to 0.2 V @ 20 µA Max.
VHigh = -5 V @ 300 µA Max.
1. All measurements made in a 50 system, unless otherwise specified.
2. DC = 300 kHz.
3. Attenuation referenced to insertion loss.
4. Input/Output
5. Video feedthru measured with 1 ns risetime pulse and 500 MHz bandwidth.
*Due to conflict with another company’s product numbering system, Alpha’s attenuator products starting with the letters “AD” are being changed to “AA”.
Alpha Industries, Inc. [781] 935-5150 Fax [617] 824-4579 Email [email protected] www.alphaind.com
Specifications subject to change without notice. 11/00A
1




AA280 pdf, 반도체, 판매, 대치품
GaAs IC 5 Bit Digital Attenuator 0.5 dB LSB DC2 GHz
AA280-25
Typical Performance Data (0, -3 V)
-0.50
-0.75
-1.00
-1.25
-1.50
-40˚C
85˚C
+25˚C
-1.75
-2.00
0
0.5 1.0 1.5 2.0
Frequency (GHz)
Insertion Loss vs. Frequency
1.5
15.5 dB
1.4
8 dB
1.3
1.2
0.5 dB
2 dB
4 dB
Ins. Loss
1.1
1.0
0
1 dB
0.5 1.0 1.5 2.0
Frequency (GHz)
VSWR vs. Frequency (25˚C)
25
20
15 15.5 dB
10
1 dB
5
8 dB
4 dB
0
2 dB
0.5 dB
-5
0 0.5 1.0 1.5 2.0
Frequency (GHz)
Attenuation Phase Accuracy
vs. Frequency (25˚C)
0.5
0.4
0.3
0.2
0.1
0
-0.1
-0.2
-0.3
-0.4
-0.5
0
8 dB
4 dB
2 dB
15.5 dB
0.5 dB
1 dB
0.5 1.0 1.5
Frequency (GHz)
Attenuation Accuracy
vs. Frequency (25˚C)
2.0
0.5
0.4
0.3
0.2
0.1
0
-0.1
-0.2
-0.3
-0.4
-0.5
-0.6
0
8 dB
4 dB
15.5 dB
2 dB
1 dB
0.5 dB
0.5 1.0 1.5
Frequency (GHz)
Attenuation Accuracy
vs. Frequency (85˚C)
2.0
0.5
0.4
0.3
0.2
0.1
0
-0.1
-0.2
-0.3
-0.4
-0.5
0
0.5 dB 8 dB
4 dB 2 dB
15.5 dB
1 dB
0.5 1.0 1.5
Frequency (GHz)
Attenuation Accuracy
vs. Frequency (-40˚C)
2.0
4 Alpha Industries, Inc. [781] 935-5150 Fax [617] 824-4579 Email [email protected] www.alphaind.com
Specifications subject to change without notice. 11/00A

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AA280

GaAs IC 5 Bit Digital Attenuator 0.5 dB LSB DC-2 GHz

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AA280-25

GaAs IC 5 Bit Digital Attenuator 0.5 dB LSB DC-2 GHz

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