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PDF AA107-310 Data sheet ( Hoja de datos )
| Número de pieza | AA107-310 | |
| Descripción | GaAs IC 5 Bit Digital Attenuator With Serial-to-Parallel Driver DC-2 GHz | |
| Fabricantes | Alpha Industries | |
| Logotipo |  |
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GaAs IC 5 Bit Digital Attenuator With
Serial-to-Parallel Driver DC–2 GHz
Preliminary
AA107-310
Features
I Positive Voltage Operation (+5 V)
I MLF 5 x 5 mm Leadless Package
I Integrated Silicon Serial-to-Parallel Driver
I Attenuation 0.5 dB Steps to 15.5 dB
Description
The AA107-310 is a GaAs FET IC 5 bit digital attenuator
with a serial-to-parallel driver packaged in a 32 leadless
exposed pad plastic package. It is particularly suited at IF
frequencies where high attenuation accuracy, low insertion
loss and low intermodulation products are required.Typical
applications include base station, wireless and RF data and
wireless local loop gain control circuits.
MLF 5 x 5 (-310)
0.197 (5.00 mm) BSC
0.039 (1.00 mm) MAX.
PIN 1
INDICATOR
32
0.187
(4.75 mm) BSC
0.001
(0.025 mm)
1
0.187
(4.75 mm)
BSC
0.197
(5.00 mm)
BSC
SEATING
PLANE
0.122 (3.10 mm)
± 0.006 (0.15 mm)
12˚ MAX.
0.122 (3.10 mm)
± 0.006 (0.15 mm)
32
1
0.138
(3.50 mm) REF.
0.019 (0.50 mm) BSC
0.138 (3.50 mm) REF.
Electrical Specifications at 25°C (VCC = +5 V)
Parameter1
Condition
Insertion Loss3
Attenuation Range4, 5
Attenuation Accuracy4, 5
VSWR (I/O)
Switching Characteristics6
Input Power for 1 dB Compression
Intermodulation Intercept Point (IP3)
Control Voltages
Rise, Fall (10/90% or 90/10% RF)
On, Off (50% CTL to 90/10% RF)
Video Feedthru
For Two-tone Input Power +5 dBm
VLow = 0 to 0.2 V @ 20 µA Max.
VHigh = -5 V @ 300 µA Max.
Frequency2
DC–1.0 GHz
DC–2.0 GHz
DC–1.0 GHz
DC–2.0 GHz
DC–2.0 GHz
0.50–2.0 GHz
0.05 GHz
0.50–2.0 GHz
0.05 GHz
Min.
Typ. Max.
1.4 1.7
1.7 2.2
15.5
± (0.2 + 3% of
Attenuation Setting in dB)
± (0.4 + 3% of
Attenuation Setting in dB)
1.4:1 1.8:1
50
100
50
+24 +29
+17 +22
+44 +50
+35 +40
Unit
dB
dB
dB
dB
dB
ns
ns
mV
dBm
dBm
dBm
dBm
DC Electrical Characteristics at 25°C (VCC = +5 V)
Parameter
Symbol
Min.
Typ. Max. Unit
Input Voltage High
Input Voltage Low
Input Leakage Current
Quiescent Current
Supply Voltages
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.
VIH (1)
3.5 5.0
V
VIL (0)
0 0.5
V
IL ±0.5 µA
ICC 500 µA
VCC 5.0 V
4. Attenuation value referenced above insertion loss.
5. Exposed pad must be connected to RF ground to obtain specified attenuation.
6. Video feedthru measured with 1 ns risetime pulse and 500 MHz bandwidth.
Alpha Industries, Inc. [781] 935-5150 • Fax [617] 824-4579 • Email [email protected] • www.alphaind.com
Specifications subject to change without notice. 3/01A
1
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