LSB GaAs. HMC274QS16 Datasheet

HMC274QS16 GaAs. Datasheet pdf. Equivalent

Part HMC274QS16
Description 1dB LSB GaAs
Feature ATTENUATORS - SMT 5 5 - 28 HMC274QS16 / 274QS16E v01.0505 1 dB LSB GaAs IC 5-BIT DIGITAL ATTENUA.
Manufacture Analog Devices
Datasheet
Download HMC274QS16 Datasheet



HMC274QS16
5
5 - 28
HMC274QS16 / 274QS16E
v01.0505
1 dB LSB GaAs IC 5-BIT DIGITAL
ATTENUATOR, 0.7 - 2.7 GHz
Typical Applications
Features
The HMC274QS16 / HMC274QS16E is ideal for:
1 dB LSB Steps to 31 dB
• Cellular/PCS/3G Infrastructure
Single Positive Control (+3 to +5V) Per Bit
• 2.4 GHz ISM Radios
±0.5 dB Typical Bit Error
• Wireless Data
LETE Functional Diagram
Small QSOP16 Plastic Package
Included in the HMC-DK004 Designer’s Kit
General Description
The HMC274QS16 & HMC274QS16E are broadband
5-bit positive control GaAs IC digital attenuators in
16 lead QSOP plastic packages. Covering 0.7 to 2.7
GHz the insertion loss is typically less than 2.3 dB.
The attenuator bit values are 1 (LSB), 2, 4, 8, and
16 dB for a total attenuation of 31 dB. Accuracy
is excellent at ± 0.5 dB typical with an IIP3 of up to
+50 dBm. Five bit control voltage inputs, toggled
between 0 and +3 to +5 volts, are used to select
each attenuation state. A single Vdd bias of +3 to +5
volts applied through an external 5K Ohm resistor is
required.
SO Electrical Specifications, TA = +25° C, Vdd = +3V to +5V & Vctl = 0/Vdd
Parameter
Insertion Loss
B Attenuation Range
O Return Loss (RF1 & RF2, All Atten. States)
Frequency
0.7 - 1.4 GHz
1.4 - 2.3 GHz
2.3 - 2.7 GHz
0.7 - 2.7 GHz
0.7 - 1.4 GHz
1.4 - 2.7 GHz
Min.
Typical
Max.
2.0
2.4
2.3
2.7
2.5
3.1
31
10
15
12
17
Units
dB
dB
dB
dB
dB
dB
Attenuation Accuracy: (Referenced to Insertion Loss)
All Attenuation States
All Attenuation States
All Attenuation States
Input Power for 0.1 dB Compression
Input Third Order Intercept Point
(Two-tone Input Power = 0 dBm Each Tone)
Switching Characteristics
Vdd = 5V
Vdd = 3V
Vdd = 5V
Vdd = 3V
0.7 - 1.4 GHz
1.4 - 2.3 GHz
2.3 - 2.7 GHz
0.7 - 2.7 GHz
0.7 - 2.7 GHz
± 0.35 + 5% of Atten. Setting Max
± 0.25 + 3% of Atten. Setting Max
± 0.30 + 5% of Atten. Setting Max
29
20
54
52
dB
dB
dB
dBm
dBm
dBm
dBm
tRISE, tFALL (10/90% RF)
tON, tOFF (50% CTL to 10/90% RF)
0.7 - 2.7 GHz
560
ns
600
ns
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HMC274QS16
v01.0505
HMC274QS16 / 274QS16E
1 dB LSB GaAs IC 5-BIT DIGITAL
ATTENUATOR, 0.7 - 2.7 GHz
Insertion Loss
Return Loss RF1, RF2
(Only Major States are Shown)
0
0
I.L.
-1
-5
1 dB
2 dB
4 dB
-10
8 dB
16 dB
-2
-3
+25 C
-4
+85 C
-40 C
E -5
0.5
1
1.5
2
2.5
3
FREQUENCY (GHz)
T Normalized Attenuation
(Only Major States are Shown)
0
E -5
-10
L -15
-20
-25
O -30
-35
0.5
1
1.5
2
2.5
3
FREQUENCY (GHz)
S Bit Error vs. Frequency
(Only Major States are Shown)
B 2
O 1
31 dB
-15
-20
-25
-30
0.5
1
1.5
2
2.5
3
FREQUENCY (GHz)
Bit Error vs. Attenuation State
1.5
1
0.5
0
-0.5
0.9 GHz
-1
1.9 GHz
2.4 GHz
-1.5
0
4
8 12 16 20 24 28 32
ATTENUATION STATE (dB)
Relative Phase vs. Frequency
(Only Major States are Shown)
150
100
1 dB
2 dB
4 dB
8 dB
50
16 dB
31 dB
0
0
1 dB
2 dB
-1
4 dB
8 dB
-50
16 dB
31 dB
-2
0.5
1
1.5
2
2.5
3
-100
0.5
1
1.5
2
2.5
3
FREQUENCY (GHz)
FREQUENCY (GHz)
Note: All Data Typical Over Voltage (+3V to +5V).
Information furnisheFd obyr ApnrailocgeD,edviceeslivisebreylie,veadntdo bteoacpcularacteeanod rrdelieabrlse.,Hpowleevaers, eno coFnotrapcritcHe, idtteitlieveMry,icanrdowtoapvleacCe oorrdpeorsr:aAtnioanlo:g Devices, Inc.,
rrlTiiecgrasehpdntseosemnosfaiisbtrhkigislrirtdayannpisdtaeardrtesiegsbsuiysmttheimear2edtpdml0bictyaraayAAtdiorneenlamspluooalhrgtrkofaDrstoheamevRrreicwitetosihsseuaefsopedurr.noi,dtSpsepeCurretscyaheinfo,iyecfnatoplhtrmiaeoftinoer ssrnretasfsnOouopyrberjiprcendadtcfirvtt,ieeentnogMotrecwrmhiOgnAaeehnnrtngsst0s.e-o1olwfif8Ainpthn2aeoatue4lotnagntsPotDotiehwcrveooi.ctwheNnesowr.e:.h9OPAihp7ntopte8inltiT-ecee2:a.c57tcih8o0on1no-m-S33lo2u3g9py4-p4W3o7ra0ty:0F,Pa•Ph.xOoOn:r.de9B:e7o1r x-8o8n9-0l12i0n05-e6A0,aNN-tA3woLr3wOw7wGo3o.-adDn,aMloAg.0c2o0m62-9106
5
5 - 29





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