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PDF AK002D4-24 Data sheet ( Hoja de datos )
| Número de pieza | AK002D4-24 | |
| Descripción | GaAs IC 4 Bit Digital Attenuator | |
| Fabricantes | Alpha Industries | |
| Logotipo |  |
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GaAs IC 4 Bit Digital Attenuator
With Driver 1 dB LSB DC–2 GHz
AK002D4-24
Features
s Attenuation in 1 dB Steps to 15 dB
s Integral Driver ±5 V Supply Voltages
s Low Cost SOIC-14 Plastic Package
Description
The AK002D4-24 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 V are required.
The attenuator is packaged in a 14 lead plastic SOIC.
SOIC-14
0.050 (1.27 mm)
0.016 (0.40 mm)
0.158 (4.01 mm)
0.150 (3.81 mm)
PIN 1
INDICATOR
PIN 1
0.068
(1.73 mm) MAX.
PIN 14
0.050
(1.27 mm) BSC
0.244
(6.20 mm)
0.228
(5.80 mm)
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.
0.344 (8.75 mm)
0.337 (8.55 mm)
0.010 (0.25 mm)
0.0098 (0.25 mm)
0.004 (0.10 mm)
0.0075 (0.19 mm)
0.158 (4.00 mm)
0.150 (3.80 mm)
Electrical Specifications at 25°C (+5 V, -5 V)
Insertion Loss3
Parameter1
Attenuation Accuracy Per Bit4
VSWR (I/O)
Frequency2
DC–0.5 GHz
DC–1.0 GHz
DC–2.0 GHz
DC–2.0 GHz
DC–0.5 GHz
DC–2.0 GHz
Min.
Typ. Max.
2.0 2.5
2.5 3.0
3.7 4.0
10% or ±0.5 dB
Whichever is Greater
1.3:1
1.6:1
1.5:1
1.8:1
Unit
dB
dB
dB
dB
Operating Characteristics at 25°C (+5 V, -5 V)
Parameter
Switching Characteristics5
Input Power for 1 dB Compression
Condition
Rise, Fall (10/90% or 90/10% RF)
On, Off (50% CTL to 90/10% RF)
Video Feedthru
Intermodulation Intercept Point (IP3)
For Two-tone Input Power +13 dBm
Control Voltages
Supply Voltages6,7
VLow
VHigh
+5 V ± 0.20 V @ 4 mA Typ.
-5 V ± 0.20 V @ 16 mA Typ.
1. All measurements made in a 50 Ω 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 = 6 mA Typ. @ +5 V, 20 mA Typ. @ -5 V.
Frequency
0.50–2.0 GHz
0.05 GHz
0.50–2.0 GHz
0.05 GHz
Min.
0.0
4.5
4.8
-4.8
Typ.
20
40
30
+24
+16
+37
+26
Max.
0.2
5.0
5.2
-5.2
Unit
ns
ns
mV
dBm
dBm
dBm
dBm
V
V
V
V
Alpha Industries, Inc. [781] 935-5150 • Fax [617] 824-4579 • Email [email protected] • www.alphaind.com
Specifications subject to change without notice. 3/99A
1
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| PDF Descargar | [ Datasheet AK002D4-24.PDF ] | |
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