HMC271ALP4 / 271ALP4E
v02.0311
1 dB LSB GaAs MMIC 5-BIT SERIAL
CONTROL DIGITAL ATTENUATOR, 0.7 - 3.7 GHz
8
Features
Typical Applications
thꢁ HMC271ALP4(e) iꢂ idꢁal fꢃꢄ:
• Cꢁllꢆlaꢄ/3G Iꢅfꢄaꢂꢀꢄꢆcꢀꢆꢄꢁ
• Fixꢁd Wiꢄꢁlꢁꢂꢂ, WiMax & WiBꢄꢃ
• tꢁꢂꢀ Iꢅꢂꢀꢄꢆmꢁꢅꢀaꢀiꢃꢅ
1 dB LsB sꢀꢁpꢂ ꢀꢃ 31 dB
CMos Cꢃmpaꢀiblꢁ sꢁꢄial Daꢀa Iꢅꢀꢁꢄfacꢁ
sPI Cꢃmpaꢀiblꢁ sꢁꢄial oꢆꢀpꢆꢀ
0.4 dB typical Biꢀ eꢄꢄꢃꢄ
24 Lꢁad 4x4mm QFn Packagꢁ: 16mm²
Iꢅclꢆdꢁd iꢅ ꢀhꢁ HMC-DK004 Dꢁꢂigꢅꢁꢄ’ꢂ Kiꢀ
Functional Diagram
General Description
thꢁ HMC271ALP4(e) iꢂ a bꢄꢃadbaꢅd 5-biꢀ pꢃꢂiꢀivꢁ
cꢃꢅꢀꢄꢃl GaAꢂ IC digiꢀal aꢀꢀꢁꢅꢆaꢀꢃꢄ wiꢀh CMos cꢃm-
paꢀiblꢁ ꢂꢁꢄial-ꢀꢃ-paꢄallꢁl dꢄivꢁꢄꢂ iꢅ a lꢃw cꢃꢂꢀ lꢁad-
lꢁꢂꢂ QFn 4x4 mm sMt packagꢁ. Cꢃvꢁꢄiꢅg 0.7 ꢀꢃ
3.7 GHz, ꢀhꢁ iꢅꢂꢁꢄꢀiꢃꢅ lꢃꢂꢂ iꢂ ꢀypically lꢁꢂꢂ ꢀhaꢅ 2.5
dB. thꢁ aꢀꢀꢁꢅꢆaꢀꢃꢄ biꢀ valꢆꢁꢂ aꢄꢁ 1 (LsB), 2, 4, 8,
aꢅd 16 dB fꢃꢄ a ꢀꢃꢀal aꢀꢀꢁꢅꢆaꢀiꢃꢅ ꢃf 31 dB. Accꢆꢄacy
iꢂ ꢁxcꢁllꢁꢅꢀ aꢀ 0.4 dB ꢀypical wiꢀh aꢅ IIP3 ꢃf ꢆp ꢀꢃ
+48 dBm. Fivꢁ biꢀ CMos cꢃmpaꢀiblꢁ ꢂꢁꢄial cꢃꢅꢀꢄꢃl
wꢃꢄdꢂ aꢄꢁ ꢆꢂꢁd ꢀꢃ ꢂꢁlꢁcꢀ ꢁach aꢀꢀꢁꢅꢆaꢀiꢃꢅ ꢂꢀaꢀꢁ. A
ꢂiꢅglꢁ Vcc biaꢂ ꢃf +3V ꢀꢃ +5V appliꢁd ꢀhꢄꢃꢆgh aꢅ
ꢁxꢀꢁꢄꢅal 5 kohm ꢄꢁꢂiꢂꢀꢃꢄ iꢂ ꢄꢁqꢆiꢄꢁd.
Electrical Specifications, TA = +25° C, Vcc = +3V to +5V
Paꢄamꢁꢀꢁꢄ
Fꢄꢁqꢆꢁꢅcy
Miꢅ.
typical
Max.
uꢅiꢀꢂ
0.7 - 1.4 GHz
1.4 - 2.3 GHz
2.3 - 2.7 GHz
2.7 - 3.7 GHz
1.9
2.3
2.6
2.8
2.4
2.8
3.1
3.3
dB
dB
dB
dB
Iꢅꢂꢁꢄꢀiꢃꢅ Lꢃꢂꢂ
Aꢀꢀꢁꢅꢆaꢀiꢃꢅ raꢅgꢁ
0.7 - 3.7 GHz
31
dB
0.7 - 1.4 GHz
1.4 - 2.7 GHz
2.7 - 3.7 GHz
12
15
16
dB
dB
dB
rꢁꢀꢆꢄꢅ Lꢃꢂꢂ (rF1 & rF2, All Aꢀꢀꢁꢅ. sꢀaꢀꢁꢂ)
Aꢀꢀꢁꢅꢆaꢀiꢃꢅ Accꢆꢄacy: (rꢁfꢁꢄꢁꢅcꢁd ꢀꢃ Iꢅꢂꢁꢄꢀiꢃꢅ Lꢃꢂꢂ)
All Aꢀꢀꢁꢅꢆaꢀiꢃꢅ sꢀaꢀꢁꢂ
0.7 - 0.9 GHz
0.9 - 2.2 GHz
2.2 - 3.7 GHz
(0.4 + 5% ꢃf Aꢀꢀꢁꢅ. sꢁꢀꢀiꢅg) Max
(0.4 + 4% ꢃf Aꢀꢀꢁꢅ. sꢁꢀꢀiꢅg) Max
(0.4 + 6% ꢃf Aꢀꢀꢁꢅ. sꢁꢀꢀiꢅg) Max
dB
dB
dB
Vcc = 5V
Vcc = 3V
24
22
dBm
dBm
Iꢅpꢆꢀ Pꢃwꢁꢄ fꢃꢄ 0.1 dB Cꢃmpꢄꢁꢂꢂiꢃꢅ
0.7 - 3.7 GHz
0.7 - 3.7 GHz
Iꢅpꢆꢀ thiꢄd oꢄdꢁꢄ Iꢅꢀꢁꢄcꢁpꢀ Pꢃiꢅꢀ
(twꢃ-ꢀꢃꢅꢁ Iꢅpꢆꢀ Pꢃwꢁꢄ = 0 dBm each tꢃꢅꢁ)
Vcc = 5V
Vcc = 3V
48
46
dBm
dBm
swiꢀchiꢅg Chaꢄacꢀꢁꢄiꢂꢀicꢂ
ꢀrIse, ꢀFALL (10/90% rF)
ꢀon, ꢀoFF (Laꢀch eꢅablꢁ ꢀꢃ 10/90% rF)
750
830
ꢅꢂ
ꢅꢂ
0.7 - 3.7 GHz
For price, delivery and to place orders: Hittite Microwave Corporation, 20 Alpha Road, Chelmsford, MA 01824
Phone: 978-250-3343 Fax: 978-250-3373 Order On-line at www.hittite.com
Application Support: Phone: 978-250-3343 or apps@hittite.com
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