AA101-80 [ALPHA]
GaAs IC 5 Bit Digital Attenuator 1 dB LSB Positive Control 0.5-2.5 GHz; 砷化镓集成电路5位数字衰减器1分贝LSB阳性对照0.5-2.5 GHz的
| 型号： | AA101-80 |
| 厂家： | 
ALPHA INDUSTRIES |
| 描述： | GaAs IC 5 Bit Digital Attenuator 1 dB LSB Positive Control 0.5-2.5 GHz |
| 文件： | 总5页 (文件大小：252K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
GaAs IC 5 Bit Digital Attenuator
1 dB LSB Positive Control 0.5–2.5 GHz
AA101-80
Features
SSOP-16
I Attenuation 1 dB Steps to 31 dB
with High Accuracy
0.197 (5.00 mm)
0.189 (4.80 mm)
0.025
(0.635 mm) TYP.
PIN 16
I Single Positive Control (+3 to +5 V) for
Each Bit
0.244 (6.20 mm)
0.228 (5.80 mm)
0.158 (4.00 mm)
0.150 (3.80 mm)
I Low DC Power Consumption
PIN 1
I Small Low Cost SSOP-16 Plastic Package
0.0196 X 45˚
CHAMFER
R 0.008 R 0.013/0.008
MIN.
Description
0.068
(1.73 mm) MAX.
The AA101-80 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 1 dB and a total attenuation
of 31 dB. The attenuator requires external DC blocking
0.0098
(0.0075 mm)
5˚ -15˚
0.010 (0.25 mm)
0.004 (0.10 mm)
0.010
(0.25 mm) TYP.
8˚ MAX.
capacitors, positive supply voltage (V ) and five individual
S
bit control voltages (V –V ).The AA101-80 is particularly
1
5
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.
Electrical Specifications at -40°C to +85°C (0, +5 V)
1
Parameter
Condition
Frequency
Min.
Typ.
Max.
Unit
Insertion Loss
0.5–1.0 GHz
1.0–2.0 GHz
2.0–2.5 GHz
2.0
2.6
2.9
2.4
3.0
3.3
dB
dB
dB
Attenuation Range
31
dB
2
Attenuation Accuracy
0.5–1.0 GHz
1.0–2.0 GHz
2.0–2.5 GHz
(0.2 + 3ꢀ of Attenuation
Setting in dB)
(0.3 + 5ꢀ of Attenuation
Setting in dB)
(0.3 + 6ꢀ of Attenuation
Setting in dB)
dB
dB
dB
3
VSWR (I/O)
0.5–2.5 GHz
1.5:1
2.2:1
4
Switching Characteristics
Rise, Fall (10/90ꢀ or 90/10ꢀ RF)
On, Off (50ꢀ CTL to 90/10ꢀ RF)
Video Feedthru
100
300
70
ns
ns
mV
Input Power for 1 dB Compression
Intermodulation Intercept Point (IP3)
V
V
= +3 V
= +5 V
0.5–2.5 GHz
0.5–2.5 GHz
+18
+23
+21
+27
dBm
dBm
S
S
For Two-tone Input Power +5 dBm
V
S
V
S
= +3 V
= +5 V
0.5–2.5 GHz
0.5–2.5 GHz
+37
+39
+43
+45
dBm
dBm
Control Voltages
V
V
V
= 0 to 0.2 V @ 20 µA Max.
= +3 V @ 100 µA Max. to +5 V @ 200 µA Max.
Low
High
= V
0.2 V
S
High
3. Input/output.
4.Video feedthru measured with 1 ns risetime pulse and 500 MHz bandwidth.
1. All measurements made in a 50 Ω system, unless otherwise specified.
2. Attenuation referenced to insertion loss.
Alpha Industries, Inc. [781] 935-5150 • Fax [617] 824-4579 • Email sales@alphaind.com • www.alphaind.com
1
Specifications subject to change without notice. 10/00A
GaAs IC 5 Bit Digital Attenuator 1 dB LSB Positive Control 0.5–2.5 GHz
AA101-80
Typical Performance Data (0, +5 V)
-1.00
-1.25
-1.50
-1.75
-2.00
-2.25
-2.50
-2.75
-3.00
2.50
2.25
2.00
1.75
1.50
1.25
1.00
31 dB
16 dB
8 dB
4 dB
-40˚C
1 dB
+85˚C
2 dB
Ins. Loss
+25˚C
0
0.5
1.0
1.5
2.0
2.5
3.0
0
0.5
1.0
1.5
2.0
2.5
3.0
Frequency (GHz)
Frequency (GHz)
Insertion Loss vs. Frequency
VSWR vs. Frequency (25˚C)
60
58
56
54
52
50
48
46
44
42
40
2.50
2.25
2.00
1.75
1.50
1.25
1.00
31 dB
-40˚C
16 dB
8 dB
+85˚C
2 dB
1 dB
Ins. Loss
4 dB
+25˚C
0
2
4
6
8 10 12 14 16 18 20 22 24 26 28 30
0
0.5
1.0
1.5
2.0
2.5
3.0
Attenuation (dB)
Frequency (GHz)
IP3 vs. Attenuation and
Temperature (500 MHz)
VSWR vs. Frequency (85˚C)
2.50
2.25
2.00
1.75
1.50
1.25
1.00
Compression Point vs. Attenuation,
Voltage, and Temperature
31 dB
16 dB
Input Power @ 1 dB Compression
Attenuation Control
+
Voltage (V) 25°C (dBm) +85°C (dBm) -40°C (dBm)
8 dB
2 dB
4 dB
State
1 dB
Ins. Loss
Ins. Loss
5
5
5
5
5
5
5
29.4
29.3
28.7
34.5
27.4
27.9
27.7
29.2
29.5
28.9
34.3
27.4
27.6
25.2
29.6
29.7
29.0
34.6
27.7
28.2
28.4
1
2
4
8
16
31
0
0.5
1.0
1.5
2.0
2.5
3.0
Frequency (GHz)
VSWR vs. Frequency (-40˚C)
2
Alpha Industries, Inc. [781] 935-5150 • Fax [617] 824-4579 • Email sales@alphaind.com • www.alphaind.com
Specifications subject to change without notice. 10/00A
GaAs IC 5 Bit Digital Attenuator 1 dB LSB Positive Control 0.5–2.5 GHz
AA101-80
1.00
0.75
0.50
0.25
0
80
70
60
50
40
30
20
10
0
31 dB
16 dB
2 dB
8 dB
4 dB
31 dB
16 dB
8 dB
-0.25
-0.50
-0.75
-1.00
1 dB
2.5
1 dB
2.0
2 dB
1.0
-10
-20
4 dB
0.5
0
0.5
1.0
1.5
2.0
3.0
0
1.5
2.5
3.0
Frequency (GHz)
Frequency (GHz)
Attenuation Accuracy
Attenuation Phase Accuracy
vs. Frequency (25˚C)
vs. Frequency (25˚C)
1.00
0.75
0.50
0.25
0
80
70
60
50
40
30
20
10
0
31 dB
16 dB
8 dB
31 dB
16 dB
-0.25
-0.50
-0.75
-1.00
8 dB
2 dB
1.5
4 dB
1 dB
4 dB
2 dB
1 dB
-10
-20
0
0.5
1.0
1.5
2.0
2.5
3.0
0
0.5
1.0
2.0
2.5
3.0
Frequency (GHz)
Frequency (GHz)
Attenuation Accuracy
vs. Frequency (85˚C)
Attenuation Phase Accuracy
vs. Frequency (85˚C)
80
70
60
50
40
30
20
10
0
1.00
0.75
0.50
0.25
0
31 dB
16 dB
8 dB
31 dB
16 dB
-0.25
-0.50
-0.75
-1.00
8 dB
4 dB
2 dB
1 dB
2.5
2 dB
2.0
4 dB
0.5
1 dB
-10
-20
0
1.0
1.5
3.0
0
0.5
1.0
1.5
2.0
2.5
3.0
Frequency (GHz)
Frequency (GHz)
Attenuation Phase Accuracy
Attenuation Accuracy
vs. Frequency (-40˚C)
vs. Frequency (-40˚C)
Alpha Industries, Inc. [781] 935-5150 • Fax [617] 824-4579 • Email sales@alphaind.com • www.alphaind.com
3
Specifications subject to change without notice. 10/00A
GaAs IC 5 Bit Digital Attenuator 1 dB LSB Positive Control 0.5–2.5 GHz
AA101-80
Typical Performance Data (0, +3 V)
-1.00
-1.25
-1.50
-1.75
-2.00
-2.25
-2.50
-2.75
-3.00
1.00
0.75
0.50
0.25
0
31 dB
16 dB
+85˚C
8 dB
+25˚C
-0.25
-0.50
-0.75
-1.00
4 dB
-40˚C
2 dB
1 dB
0
0.5
1.0
1.5
2.0
2.5
3.0
0
0.5
1.0
1.5
2.0
2.5
3.0
Frequency (GHz)
Frequency (GHz)
Attenuation Accuracy
vs. Frequency (25˚C)
Insertion Loss vs. Frequency
2.50
2.25
2.00
1.75
1.50
1.25
1.00
1.00
0.75
0.50
0.25
0
31 dB
16 dB
31 dB
Ins. Loss
16 dB
8 dB
1 dB
2 dB
8 dB
4 dB
4 dB
-0.25
-0.50
-0.75
-1.00
2 dB
1 dB
0
0.5
1.0
1.5
2.0
2.5
3.0
0
0.5
1.0
1.5
2.0
2.5
3.0
Frequency (GHz)
Frequency (GHz)
Attenuation Accuracy
vs. Frequency (85˚C)
VSWR vs. Frequency (25˚C)
1.00
0.75
0.50
0.25
0
80
70
60
50
40
30
20
10
0
31 dB
16 dB
31 dB
8 dB
4 dB
16 dB
8 dB
-0.25
-0.50
-0.75
-1.00
2 dB
1 dB
1 dB
2.5
2 dB
1.5
-10
-20
4 dB
0.5
0
0.5
1.0
1.5
2.0
2.5
3.0
0
1.0
2.0
3.0
Frequency (GHz)
Frequency (GHz)
Attenuation Accuracy
vs. Frequency (-40˚C)
Attenuation Phase Accuracy
vs. Frequency (25˚C)
4
Alpha Industries, Inc. [781] 935-5150 • Fax [617] 824-4579 • Email sales@alphaind.com • www.alphaind.com
Specifications subject to change without notice. 10/00A
GaAs IC 5 Bit Digital Attenuator 1 dB LSB Positive Control 0.5–2.5 GHz
AA101-80
60
Compression Point vs. Attenuation,
Voltage, and Temperature
58
56
54
52
50
48
46
44
42
40
+85˚C
Input Power @ 1 dB Compression
Attenuation Control
+
Voltage (V) 25°C (dBm) +85°C (dBm) -40°C (dBm)
State
-40˚C
Ins. Loss
3
3
3
3
3
3
3
23.1
23.5
22.7
33.8
31.7
20.2
21.9
23.3
23.3
22.7
33.2
31.7
20.5
20.6
24.3
24.2
23.7
33.8
22.7
21.4
23.6
1
2
+25˚C
4
8
16
31
0
2
4
6
8 10 12 14 16 18 20 22 24 26 28 30
Attenuation (dB)
IP3 vs. Attenuation and
Temperature
Pin Out
J1
CBL
Truth Table
GND
16 dB
GND
V1
GND
V
V
V
V
V
5
1
2
3
4
Attenuation
J –J
8 dB
4 dB
GND
GND
GND
GND
GND
1
2
16 dB 8 dB
4 dB
2 dB
1 dB
V2
V
V
V
V
V
V
V
V
V
V
V
V
V
High
V
High
Reference I.L.
High
High
High
High
High
High
High
High
High
V3
V
High
0
1 dB
2 dB
2 dB
1 dB
V4
0
V
V
V
V
High
High
High
High
V5
0
V
V
V
4 dB
High
High
High
GND
J2
CBL
VS
0
V
V
8 dB
High
High
0
V
High
16 dB
High
High
High
10 kΩ
0
0
0
0
0
31 dB Max. Atten.
DC blocking capacitors (CBL) and biasing resistor must be supplied externally
for positive voltage operation.
VHigh = +3 to +5 V (VS = VHigh 0.2 V).
CBL = 47 pF for operation >500 MHz.
Absolute Maximum Ratings
Characteristic
Value
RF Input Power
2 W > 500 MHz 0/8 V
0.75 W @ 50 MHz 0/8 V
Supply Voltage
+8 V
Control Voltage
-0.2 V, +8 V
Operating Temperature
Storage Temperature
-40°C to +85°C
-65°C to +150°C
Note: Exceeding these parameters may cause irreversible damage.
Alpha Industries, Inc. [781] 935-5150 • Fax [617] 824-4579 • Email sales@alphaind.com • www.alphaind.com
5
Specifications subject to change without notice. 10/00A
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