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AA102-80 View Datasheet(PDF) - Alpha Industries

Part Name
Description
MFG CO.
'AA102-80' PDF : 5 Pages View PDF
1 2 3 4 5
GaAs IC 5 Bit Digital Attenuator
0.5 dB LSB Positive Control 0.5–2.5 GHz
AA102-80
Features
s Attenuation 0.5 dB Steps to 15.5 dB
with High Accuracy
s Single Positive Control (+3 to +5 V) for
Each Bit
s Low DC Power Consumption
s Small Low Cost SSOP-16 Plastic Package
Description
The AA102-80 is a 5 bit, single positive control GaAs IC
FET digital attenuator in a low cost SSOP-16 package.
This attenuator has an LSB of 0.5 dB and a total
attenuation of 15.5 dB. The attenuator requires external
DC blocking capacitors, positive supply voltage (VS) and
five individual bit control voltages (V1–V5). It is particularly
suited where high attenuation accuracy, low insertion loss
and low intermodulation products are required. Typical
applications include base station, wireless data, and
wireless local loop gain level control circuits.
SSOP-16
0.025
(0.635 mm) TYP.
PIN 16
0.244 (6.20 mm)
0.228 (5.80 mm)
PIN 1
0.068
(1.73 mm) MAX.
0.197 (5.00 mm)
0.189 (4.80 mm)
0.158 (4.00 mm)
0.150 (3.80 mm)
0.0196 X 45˚
CHAMFER
R 0.008
MIN.
R 0.013/0.008
0.0098
(0.0075 mm)
0.010
(0.25 mm) TYP.
-15˚
0.010 (0.25 mm)
0.004 (0.10 mm)
8˚ MAX.
Electrical Specifications at -40°C to +85°C (0, +5 V)
Parameter1
Condition
Frequency
Min.
Typ. Max. Unit
Insertion Loss
0.5–1.0 GHz
1.0–2.0 GHz
2.0–2.5 GHz
1.9
2.3
dB
2.4
2.7
dB
2.8
3.1
dB
Attenuation Range
Attenuation Accuracy2
VSWR (I/O)3
Switching Characteristics4
Rise, Fall (10/90% or 90/10% RF)
On, Off (50% CTL to 90/10% RF)
Video Feedthru
0.5–1.0 GHz
1.0–2.5 GHz
0.5–2.5 GHz
15.5
dB
± (0.2 + 3% of
Attenuation Setting in dB)
dB
± (0.3 + 5% of
Attenuation Setting in dB)
dB
1.5:1 2.0:1
125
ns
250
ns
75
mV
Input Power for 1 dB Compression
Intermodulation Intercept Point (IP3)
Control Voltages
VS = +3 V
VS = +5 V
0.5–2.5 GHz
0.5–2.5 GHz
For Two-tone Input Power +5 dBm
VS = +3 V
VS = +5 V
0.5–2.5 GHz
0.5–2.5 GHz
VLow = 0 to 0.2 V @ 20 µA Max.
VHigh = +3 V @ 100 µA Max. to +5 V @ 200 µA Max.
VS = VHigh ± 0.2 V
+20
+24
+24
+30
+42
+48
+43
+49
dBm
dBm
dBm
dBm
1. All measurements made in a 50 system, unless otherwise specified.
2. Attenuation referenced to insertion loss.
3. Input/output.
4. Video feedthru measured with 1 ns risetime pulse and 500 MHz bandwidth.
Alpha Industries, Inc. [781] 935-5150 Fax [617] 824-4579 Email sales@alphaind.com www.alphaind.com
1
Specifications subject to change without notice. 12/00A
 

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