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PDF HMC681ALP5E Data sheet ( Hoja de datos )
| Número de pieza | HMC681ALP5E | |
| Descripción | 0.5dB LSB GaAs MMIC 6-BIT DIGITAL VARIABLE GAIN AMPLIFIER | |
| Fabricantes | Analog Devices | |
| Logotipo |  |
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HMC681ALP5E
v00.0113
0.5 dB LSB GaAs MMIC 6-BIT DIGITAL VARIABLE GAIN
AMPLIFIER w/ SERIAL CONTROL, DC - 1 GHz
Typical Applications
The HMC681ALP5E is ideal for:
• IF & RF Applications
• Cellular/3G Infrastructure
• WiBro / WiMAX / 4G
• Microwave Radio & VSAT
• Test Equipment and Sensors
Functional Diagram
Features
+13.5 dB to +45 dB Gain Control in 0.5 dB Steps
High Output IP3: +36 dBm
±0.25 dB Typical Gain Step Error
Single +5V Supply
32 Lead 5x5 mm SMT Package: 25 mm2
General Description
The HMC681ALP5E is a digitally controlled variable
gain amplifier which operates from DC to 1 GHz,
and can be programmed to provide anywhere from
13.5 dB, to 45 dB of gain, in 0.5 dB steps. The
HMC681ALP5E delivers noise figure of 2.8 dB in its
maximum gain state, with output IP3 of up to +36
dBm in any state. This serially controlled digital VGA
incorporates off chip AC ground capacitors for near
DC operation, making it suitable for a wide variety of
RF and IF applications. The HMC681ALP5E is housed
in a RoHS compliant 5x5 mm QFN leadless package,
and provides the user with a highly integrated solution.
This functionality is also available with parallel control
as the HMC626ALP5E.
Electrical Specifications, TA = +25° C, Vdd = Vs= P/S= +5V
Parameter
Min.
Typ.
50 - 350
Max.
Min.
Typ.
350 - 1000
Max.
Gain (Maximum Gain State)
40 45
30 40
Gain Control Range
31.5 31.5
Input Return Loss
25 30
Output Return Loss
20 17
Gain Setting Accuracy:
(Referenced to Maximum Gain State)
All Gain States
± (0.15 + 3% of Relative Gain Setting) Max. ± (0.15 + 3% of Relative Gain Setting) Max.
Output Power for 1 dB Compression
20
19
Output Third Order Intercept Point
(Two-Tone Output Power= 5 dBm Each Tone)
38
36
Noise Figure
2.7 2.8
Switching Characteristics
tRISE, tFALL (10/90% RF)
tON, tOFF (50% CTL to 10/90% RF)
60
120
60
120
Units
MHz
dB
dB
dB
dB
dB
dBm
dBm
dB
ns
ns
Total Supply Current (Idd + 2*Is)
184.5
225
184.5
225 mA
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1 page  
HMC681ALP5E
v00.0113
0.5 dB LSB GaAs MMIC 6-BIT DIGITAL VARIABLE GAIN
AMPLIFIER w/ SERIAL CONTROL, DC - 1 GHz
350 to 1000 MHz Tuning
Gain vs. Frequency
50
45
40
35
30
25
20
15
10
5
0
0.2
0.4 0.6 0.8
FREQUENCY (GHz)
+25 C
+85 C
1
-40 C
Relative Gain Setting
(Referenced to Maximum Gain State)
(Only Major States are Shown)
0
-5 8 dB
-10
16 dB
-15
-20
-25
31.5 dB
-30
-35
0.2
0.4 0.6 0.8
FREQUENCY (GHz)
1
Input Return Loss
(Only Major States are Shown)
0
-10
IL
-20
-30
31.5 dB
-40
-50
0.2
0.4 0.6 0.8
FREQUENCY (GHz)
1
Output Return Loss
(Only Major States are Shown)
0
-5
31.5 dB
-10
-15
-20
-25
-30 I.L
-35
-40
0.2
0.4 0.6 0.8
FREQUENCY (GHz)
1
Bit Error vs. Frequency
(Only Major States are Shown)
2
1.5
1
0.5 8 dB
31.5 dB
0
-0.5
-1
-1.5
-2
0.2
0.4 0.6
FREQUENCY (GHz)
0.8
16 dB
1
Bit Error vs. Relative Gain Setting
2
1.5
600, 700, 800, 900, 1000MHz
1
0.5
0
-0.5
350 MHz
-1
-1.5
-2
0 4 8 12 16 20 24 28 32
RELATIVE GAIN SETTING (dB)
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4
5 Page 
HMC681ALP5E
v00.0113
0.5 dB LSB GaAs MMIC 6-BIT DIGITAL VARIABLE GAIN
AMPLIFIER w/ SERIAL CONTROL, DC - 1 GHz
Application Circuit
Components for Selected Frequencies
Tuned Frequency
Evaluation PCB
C1, C2, C9, C10
C6 - C8
L1, L2
50 - 350 MHz
119171-HMC681ALP5
3300 pF
330 pF
560 nH
350 - 1000 MHz
123115-HMC681ALP5
100 pF
100 pF
270 nH
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10
11 Page | ||
| Páginas | Total 12 Páginas | |
| PDF Descargar | [ Datasheet HMC681ALP5E.PDF ] | |
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