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PDF ADL5723 Data sheet ( Hoja de datos )
| Número de pieza | ADL5723 | |
| Descripción | Low Noise Amplifier | |
| Fabricantes | Analog Devices | |
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Data Sheet
10.1 GHz to 11.7 GHz, Low Noise Amplifier
ADL5723
FEATURES
Frequency range: 10.1 GHz to 11.7 GHz
Typical gain of >24 dB
Low noise input
Noise figure
2.2 dB typical at 10.1 GHz
2.3 dB typical at 11.7 GHz
High linearity input
≥2.2 dBm typical input third-order intercept (IIP3)
−10 dBm typical input 1 dB compression point (P1dB)
Matched 50 Ω single-ended input
Matched 100 Ω differential outputs
8-lead, 2.00 mm × 2.00 mm LFCSP microwave packaging
APPLICATIONS
Point to point microwave radios
Instrumentation
Satellite communications (SATCOM)
Phased arrays
FUNCTIONAL BLOCK DIAGRAM
VCC1
50Ω GND
SINGLE-ENDED
INPT
RBIAS
ADL5723
VCC2
OUTN 100Ω
DIFFERENTIAL
OUTP
DNC
DNC = DO NOT CONNECT.
DO NOT CONNECT TO THIS PIN.
Figure 1.
GENERAL DESCRIPTION
The ADL5723 is a narrow-band, high performance, low noise
amplifier (LNA) targeting microwave radio link receiver designs.
The monolithic silicon germanium (SiGe) design is optimized for
microwave radio link bands ranging from 10.1 GHz to 11.7 GHz.
The unique design offers a single-ended 50 Ω input impedance
and provides a 100 Ω balanced differential output that is ideal
for driving Analog Devices, Inc., differential downconverters
and radio frequency (RF) sampling analog-to-digital converters
(ADCs). This LNA provides noise figure performance that, in
the past, required more expensive three-five (III-V) compounds
process technology to achieve.
The ADL5721 and ADL5723 to ADL5726 family of narrow-band
LNAs are each packaged in a tiny, thermally enhanced, 2.00 mm ×
2.00 mm LFCSP package. The ADL5721 and ADL5723 to
ADL5726 family operates over the temperature range of −40°C
to +85°C.
Rev. 0
Document Feedback
Information furnished by Analog Devices is believed to be accurate and reliable. However, no
responsibility is assumed by Analog Devices for its use, nor for any infringements of patents or other
rights of third parties that may result from its use. Specifications subject to change without notice. No
license is granted by implication or otherwise under any patent or patent rights of Analog Devices.
Trademarksandregisteredtrademarksarethepropertyoftheirrespectiveowners.
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781.329.4700
©2016 Analog Devices, Inc. All rights reserved.
Technical Support
www.analog.com
1 page  
Data Sheet
PIN CONFIGURATION AND FUNCTION DESCRIPTIONS
ADL5723
VCC1 1
GND 2
INPT 3
RBIAS 4
ADL5723
TOP VIEW
(Not to Scale)
8 VCC2
7 OUTN
6 OUTP
5 DNC
NOTES
1. DNC = DO NOT CONNECT. DO NOT
CONNECT TO THIS PIN.
2. THE EXPOSED PAD MUST BE
SOLDERED TO A LOW IMPEDANCE
GROUND PLANE.
3. THE DEVICE NUMBER ON THE FIGURE
DOES NOT INDICATE THE LABEL ON
THE PACKAGE. REFER TO THE PIN 1
INDICATOR FOR THE PIN LOCATIONS.
Figure 2. Pin Configuration
Table 5. Pin Function Descriptions
Pin No. Mnemonic
Description
1 VCC1
1.8 V Power Supply. It is recommended to place the decoupling capacitors as close to this pin as possible.
2 GND
Ground.
3 INPT
RF Input. This is a 50 Ω single-ended input.
4 RBIAS
Resistor Bias. For typical operation, connect a 442 Ω resistor from RBIAS to GND. It is recommended to
place the RBIAS resistor as close to the pin as possible.
5 DNC
Do Not Connect. Do not connect to this pin.
6, 7
OUTP, OUTN
RF Outputs. These pins are 100 Ω differential outputs.
8 VCC2
3.3 V Power Supply. It is recommended to place the decoupling capacitors as close to this pin as possible.
EPAD (EP)
Exposed Pad. The exposed pad must be soldered to a low impedance ground plane.
Rev. 0 | Page 5 of 12
5 Page 
Data Sheet
ADL5723
BASIC CONNECTIONS FOR OPERATION
Figure 20 shows the basic connections for operating the ADL5723 as it is implemented on the evaluation board of the device.
1.8V
C5
0.1UF
AGND
C1
4.7NF
AGND
RFIN
1
25-146-1000-92
CNSRI2516100092_SW109201A5 2 3 4
RFIN
AGND
C2
33PF
AGND
RBIAS
442
AGND
DUTA
1 VCC1
2 GND
3 INPT
4 RBIAS PAD
VCC2 8
OUTN 7
OUTP 6
DNC 5
AGND
PAD ADL5723
AGND
C3
33PF
AGND
C4
4.7NF
AGND
3.3V
C6
0.1UF
AGND
OUTN 1
572X_RFON
25-146-1000-92
4 3 2 CNSRI2516100092_SW109201A5
AGND
OUTP 1
572X_RFOP
1.8V
25-146-1000-92
4 3 2 CNSRI2516100092_SW109201A5
R4
DNI 10K
R3
0
AGND
P1
1
2
AGND
69157-102HLF
5V
1 RED
3P3V
1 RED
1P8V
1 RED
GND
1 BLK
5V
3.3V
1.8V
AGND
1.8V
R1
0 C7
4.7UF
AGND
U1
ADM7170ACPZ-1.8
1 VOUT
2 VOUT
VIN 8
VIN 7
EN
SS
5
4
3
SENSE
EP GND
PAD 6
AGND
C8
1000PF
AGND
5V
C9
4.7UF
AGND
3.3V
R2
0 C10
4.7UF
AGND
U2
ADM7172ACPZ-3.3
1 VOUT1
2 VOUT2
VIN1 8
VIN2 7
EN
SS
5
4
3
SENSE
EP GND
PAD 6
AGND
Figure 20. Evaluation Board Schematic
C11
1000PF
AGND
5V
C12
4.7UF
AGND
Table 6. Evaluation Board Configuration Options
Component
Function
3P3V, 1P8V, GND, 5V
Power supplies and ground.
RFIN, 572X_RFOP, 572x_RFON
Input, output, and data.
RBIAS
442 Ω for RBIAS.
R1, R2
1.8 V and 3.3 V regulator connections.
R3 Do not install (DNI).
R4 Pull-up or pull-down resistor.
C1 to C12
The capacitors provide the required decoupling for the supply
related pins.
P1
U1
U2
DUTA
Jumper to change bands, 2-pin jumper.
ADM7170ACPZ-1.8 1.8 V regulator.
ADM7172ACPZ-3.3 3.3 V regulator.
ADL5723 device under test (DUT).
Default Condition
Not applicable
Not applicable
RBIAS = 442 Ω (0402)
R1, R2 = 0 Ω (0402)
R3 = DNI (0402)
R4 = 10 kΩ (0402)
C1, C4 = 4.7 nF (0402),
C2, C3 = 33 pF (0402),
C5, C6 = 0.1 μF (0402),
C7, C9, C10, C12 = 4.7 μF (0603),
C8, C11 = 1000 pF (0603)
Not applicable
Not applicable
Not applicable
Not applicable
Rev. 0 | Page 11 of 12
11 Page | ||
| Páginas | Total 12 Páginas | |
| PDF Descargar | [ Datasheet ADL5723.PDF ] | |
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