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参数资料
| 型号： | AA280-25 |
| 元件分类： | 衰减器 |
| 英文描述： | 0.3 MHz - 2000 MHz RF/MICROWAVE VARIABLE ATTENUATOR, 2 dB INSERTION LOSS-MAX |
| 封装： | PLASTIC, SOIC-16 |
| 文件页数： | 5/5页 |
| 文件大小： | 467K |
| 代理商： | AA280-25 |
GaAs IC 5 Bit Digital Attenuator 0.5 dB LSB DC–2 GHz
AA280-25
5
Alpha Industries, Inc. [781] 935-5150
Fax [617] 824-4579 Email sales@alphaind.com www.alphaind.com
Specifications subject to change without notice. 11/00A
Truth Table
V8
V7
V6
V5
V4
V3
V2
V1
J1
GND GND GND GND GND GND
J2
12
3
4
5
6
7
8
16
15
14
13
12
11
10
9
8 dB
4 dB
2 dB
1 dB 0.5 dB
Characteristic
Value
RF Input Power
2.0 W > 500 MHz 0/-8 V
0.5 W > 50 MHz 0/-8 V
Control Voltage
+0.2 V, -8 V
Operating Temperature
-40°C to +85°C
Storage Temperature
-65°C to +150°C
ΘJC
85°C/W
Absolute Maximum Ratings
Pin Out
Note: Exceeding these ratings may cause irreversible damage.
V1
V2
V3
V4
V5
V6
V7
V8
0.5 dB
1 dB
2 dB
4 dB
8 dB
Bit
-5
0
-5
0
-5
0
Reference I.L.
0
-5
0
-5
0
-5
0
0.5 dB
-5
0
-5
0
-5
0
-5
0
1 dB
-5
0
-5
0
-5
0
2 dB
-5
0
-5
0
4 dB
-5
0
-5
0
-5
8 dB
0
-5
0
-5
0
-5
15.5 dB
Max. Atten.
Attenuation
J1–J2
IP3
(dBm)
Attenuation (dB)
IP3 vs. Attenuation and Temperature
47
48
49
50
51
52
53
54
55
56
57
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
+25C
+85C
-40C
Compression Point vs. Attenuation,
Voltage, and Temperature
Attenuation
Control
Input Power @ 1 dB Compression
State
Voltage (V) +25°C (dBm) +85°C (dBm) -40°C (dBm)
Ins. Loss
-3
22.70
23.30
24.20
0.5 dB
-3
23.50
24.20
25.10
1.0 dB
-3
24.60
25.00
25.90
2.0 dB
-3
22.90
23.40
24.30
4.0 dB
-3
31.60
31.80
33.10
8.0 dB
-3
31.00
28.70
26.40
15.5 dB
-3
25.00
24.40
25.00
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