参数资料
型号: AK802D4-24
厂商: SKYWORKS SOLUTIONS INC
元件分类: 衰减器
英文描述: 0.3 MHz - 2000 MHz RF/MICROWAVE VARIABLE ATTENUATOR, 3.5 dB INSERTION LOSS-MAX
封装: PLASTIC, SOIC-14
文件页数: 1/2页
文件大小: 29K
代理商: AK802D4-24
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)
15
ns
On, Off (50% CTL to 90/10% RF)
30
ns
Video Feedthru
30
mV
Input Power for 1 dB Compression
0.5–1.0 GHz
+24
dBm
0.05 GHz
+16
dBm
Control Voltages
VLow
0.0
0.2
V
VHigh
4.5
5.0
V
Supply Voltages6,7
+5.0 V ± 0.20 V @ 4 mA Typ.
4.8
5.2
V
-5.6 V ± 0.20 V @ 12 mA Typ.
-5.4
-5.8
V
GaAs IC 4 Bit Digital Attenuator
With Driver 1 dB LSB DC–2 GHz
Features
■ Attenuation in 1 dB Steps to 15 dB
■ Low Cost SOIC-14 Plastic Package
■ Low DC Current < 16 mA Total
■ Integral Driver +5 V, -5.6 V Supply Voltages
AK802D4-24
PIN 14
0.050
(1.27 mm) BSC
PIN 1
INDICATOR
0.158 (4.01 mm)
0.150 (3.81 mm)
0.050 (1.27 mm)
0.016 (0.40 mm)
0.244
(6.20 mm)
0.228
(5.80 mm)
0.020 (0.51 mm)
0.013 (0.33 mm)
0.344 (8.75 mm)
0.337 (8.55 mm)
0.068
(1.73 mm) MAX.
0.010 (0.25 mm)
0.004 (0.10 mm)
0.158 (4.00 mm)
0.150 (3.80 mm)
0.049 (1.24 mm)
0.016 (0.41 mm)
0.016 MAX.
(0.41 mm)
x 45
CHAMFER
0.0098 (0.25 mm)
0.0075 (0.19 mm)
8 MAX.
Description
The AK802D4-24 is an IC FET digital attenuator
consisting of four monolithic attenuators with an LSB of
1 dB and a total attenuation of 15 dB with all attenuators
connected.
The device has integral drivers for each bit requiring less
than 4 mA per bit. DC supply voltages of +5 and -5.6 V
are required.
The attenuator is packaged in a 14 lead plastic SOIC.
Operating Characteristics at 25°C (+5 V, -5.6 V)
Parameter1
Frequency2
Min.
Typ.
Max.
Unit
Insertion Loss3
DC–0.5 GHz
1.7
2.0
dB
DC–1.0 GHz
2.2
2.5
dB
DC–2.0 GHz
3.1
3.5
dB
Attenuation Accuracy Per Bit4
DC–1.0 GHz
(7% or 0.25 dB
dB
Whichever is Greater)
DC–2.0 GHz
(10% or 0.5 dB
dB
Whichever is Greater)
VSWR (I/O)
DC–1.0 GHz
1.2:1
1.3:1
DC–2.0 GHz
1.4:1
1.5:1
Electrical Specifications at 25°C (+5 V, -5.6 V)
SOIC-14
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. Protection circuit for driver included in package.
7. Current drain @ 85°C = 6 mA Typ. @ +5 V, 16 mA Typ. @ -5 V.
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