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参数资料
| 型号： | AK100-25 |
| 厂商： | SKYWORKS SOLUTIONS INC |
| 元件分类： | 衰减器 |
| 英文描述： | 0 MHz - 2000 MHz RF/MICROWAVE VARIABLE ATTENUATOR, 3.5 dB INSERTION LOSS-MAX |
| 封装： | PLASTIC, SOIC-16 |
| 文件页数： | 1/2页 |
| 文件大小： | 430K |
| 代理商： | AK100-25 |
Skyworks Solutions, Inc. [978] 241-7000
Fax [978] 241-7906 Email sales@skyworksinc.com www.skyworksinc.com
1
Specifications subject to change without notice. 3/99A
Parameter
Condition
Frequency
Min.
Typ.
Max.
Unit
Switching Characteristics5
Rise, Fall (10/90% or 90/10% RF)
10
ns
On, Off (50% CTL to 90/10% RF)
20
ns
Video Feedthru
30
mV
Input Power for 1 dB Compression
0.50–2.0 GHz
+25
dBm
0.05 GHz
+16
dBm
Intermodulation Intercept Point (IP3)
For Two-tone Input Power +13 dBm
0.50–2.0 GHz
+43
dBm
0.05 GHz
+30
dBm
Control Voltages
VLow
0.0
0.2
V
VHigh
4.5
5.0
V
Supply Voltages6,7
+5 V ± 0.2 V @ 3 mA Typ.
4.8
5.2
V
-5 V ± 0.20 V @ 10 mA Typ.
-4.8
-5.2
V
GaAs IC 4 Bit Digital Attenuator
With Driver 2 dB LSB DC–2 GHz
Features
■ Attenuation in 2 dB Steps to 30 dB
■ Low DC Current Consumption
< 10 mA Total
■ Integral Driver ±5 V Supply Voltages
■ Low Cost SOIC-16 Plastic Package
AK100-25
0.158 (4.00 mm)
0.150 (3.80 mm)
0.068
(1.73 mm) MAX.
0.244 (6.20 mm)
0.228 (5.80 mm)
0.049 (1.24 mm)
0.016 (0.41 mm)
0.016 MAX.
(0.41 mm)
x 45
CHAMFER
0.020 (0.51 mm)
0.013 (0.33 mm)
0.050
(1.27 mm) BSC
PIN 16
PIN 1
INDICATOR
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)
8 MAX.
Description
The AK100-25 is an IC FET digital attenuator consisting
of four monolithic attenuators with an LSB of 2 dB and a
total attenuation of 30 dB with all attenuators connected.
The device has integral drivers for each bit requiring less
than 3 mA per bit. DC supply voltages of ±5 V are required.
The attenuator is packaged in a 16 lead plastic SOIC.
Operating Characteristics at 25°C (+5 V, -5 V)
Parameter1
Frequency2
Min.
Typ.
Max.
Unit
Insertion Loss3
DC–0.5 GHz
1.8
2.0
dB
DC–1.0 GHz
2.0
2.5
dB
DC–2.0 GHz
3.0
3.5
dB
Attenuation Accuracy per Bit4
DC–2.0 GHz
+(0.3 dB + 3% of
dB
Attenuation Setting)
VSWR (I/O)
DC–2.0 GHz
1.4:1
1.6:1
Electrical Specifications at 25°C (+5 V, -5 V)
SOIC-16
1. All measurements made in a 50
system, unless otherwise specified.
2. DC = 300 kHz.
3. Insertion loss changes by 0.003 dB/°C.
4. Attenuation referenced to insertion loss.
5. Video feedthru measured with 1 ns risetime pulse and 500 MHz bandwidth.
6. Supply voltage and ground must be connected before control voltage is
applied. Use of toggle switches or other similar components may produce
voltage spikes which can cause irreversible damage to the device.
7. Current drain @ 85°C = 5 mA Typ. @ +5 V, 14 mA Typ. @ -5 V.
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