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AWINIC

AW5026DNR Datasheet Preview

AW5026DNR Datasheet

FM Low-Noise-Amplifier

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AW5026DNR
Aug 2018 V1.3
FM Low-Noise-Amplifier with differential output
FEATURES
GENERAL DESCRIPTION
Without any earphone or telescopic antenna, AW5026 is a Low-Noise-Amplifier (LNA) with
receive FM-radio signal through re-using
normal antenna
Differential output
Internal 4-bit tunable capacitor-array using
One- Line-Logic unit
Ultra-low noise-figure: 1.7dB
Standard CMOS process technology
High power gain of 20dB under 1.8V supply
High linearity
Supply voltage: 1.5V~3.6V
Shut-down current: <0.1μA
Slim 1.1×0.9×0.45 mm3 DFN-6L package
APPLICATIONS
differential output, without earphone or telescopic
antenna, re-using normal antenna to receive
l FM-radio signal.
AW5026 adopt differential outputs, enhance the
a level of anti-interference capability.
i AW5026 is characterized with low noise, high gain
t and high linearity. Typical noise figure is 1.7dB and
power gain is 21dB.
AW5026 integrates RF radio switch inside,
n implementing high impedance under shut-down
condition. Shut-down current is less than 0.1μA
e AW5026 is available in slim 1.1mm×0.9mm×
0.45mm DFN-6L package. The specified operating
fid free-air temperature ranges from -40to 85.
Feature or Smart mobile phone
Mobile audio device
n
o TYPICAL APPLICATION CIRCUIT
PIFA antenna
Feed
GND
CEasy FM
EarPhone
L8
120nH
C8
If earphone
used as FM
an te nna ,L8,C8
or bead must
be added
ic VIO
1.8V/2.8V
Close to
AW 5026
C5
47 nF
inFM
L5
68nH
L4
L7
C4
33nH 47nF
4
5
6
VCC
RFoutP
AW5026DNR
GND
RFoutN
EZ-FM
RFIN
EN
22pF
C6 close to AW5026,C7 close to
3
C6 receiver
C7
47nF
47nF
Differential outputs,50ohm impedance
2
C10
FM_LANT_N
47nF
If just use RFoutP,
RFoutN connect to GND by
C10
1
GPIO
1.8V/2.8V
FM_LANT_P
C3
w22pF
a GSM
L6
120nH
100nH
Antenna connect to GND
through C3,C6, close to
an te nna
Filter circuit
for high
freq uen cy
C1
22pF
L1
120 nH
Close to antenna feed
Filter circuit for FM
C2
L3
DFN -6L
GSM signal Design tips:
path
1. AW5026 should be closed to antenna
2. AW5026 ground short and good
L2
3. AW5026 output are differential lines, parallel lines as far as
possible,50ohm impedance;
4. AW5026 support EN, when headset detected, GPIO pull down;
Match circuit
for antenna,
close to feed
5. When headset not supported, C7 can be omitted;
6. When headset support, C8,L8 or bead should be added;
7. Longer antenna can improve FM reception
www.awinic.com.cn
Figure 1 Typical Application Circuit of AW5026
1
Copyright © 2018 SHANGHAI AWINIC TECHNOLOGY CO., LTD




AWINIC

AW5026DNR Datasheet Preview

AW5026DNR Datasheet

FM Low-Noise-Amplifier

No Preview Available !

PIN CONFIGURATION AND TOP MARK
AW5026DNR
Aug 2018 V1.3
EN
1
6 RFIN
1
6
RFOUTN 2
5 GND
2
5
l
RFOUTP 3
4 VCC
3
4
Top View
C---AW5026DNR; X---Manufacture Code
Figure 2 Pin Configuration and Top Mark
tia
n
e
PIN DEFINITION
No.
NAME
fid DESCRIPTION
1
2
3
EN
RFoutN
RFoutP
EN (high level) supports 1.8V/2.8V IO with internal 150Kohm
pull-down resistor.
n RF output N.
o RF output P.
4
5
6
VCC
GND
RFIN
C Supply connection.
Ground.
RF input.
ic
in
aw
www.awinic.com.cn
2
Copyright © 2018 SHANGHAI AWINIC TECHNOLOGY CO., LTD


Part Number AW5026DNR
Description FM Low-Noise-Amplifier
Maker AWINIC
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