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MAX2530 fiches techniques PDF

Maxim Integrated - Quadruple-Mode PCS/Cellular/GPS LNA/Mixers

Numéro de référence MAX2530
Description Quadruple-Mode PCS/Cellular/GPS LNA/Mixers
Fabricant Maxim Integrated 
Logo Maxim Integrated 





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MAX2530 fiche technique
19-2487; Rev 3; 1/04
Quadruple-Mode PCS/Cellular/GPS LNA/Mixers
General Description
The MAX2351/MAX2354/MAX2358/MAX2359/MAX2530/
MAX2531/MAX2537/MAX2538 family of single- and multi-
band LNA/mixer ICs is optimized for CDMA, GSM, and
TDMA applications in both cellular and PCS bands. In
addition, the MAX2530/MAX2531/MAX2537/MAX2538 ICs
feature a GPS LNA/mixer signal path for E911 and traveler
assistance applications. The cellular and PCS signals can
be routed to either IF port. For example, one IF port can be
connected to an IF filter with 30kHz bandwidth, while the
other port can drive an IF filter with a wider bandwidth. The
GPS band has its own IF port.
To optimize dynamic range at minimum current, the
MAX2351/MAX2354/MAX2358/MAX2359/MAX2530/
MAX2531/MAX2537/MAX2538 implement multiple LNA
and mixer states, including high gain/high linearity, high
gain/low linearity, midgain, low gain, and ultra-low gain. In
high-gain/high-linearity mode, the high-IP3 LNA mini-
mizes desensitization in the presence of a large interfer-
ing signal. For the other gain states, the LNA current is
reduced to improve standby time. Each band is imple-
mented with a separate mixer to optimize performance for
the specific band, and each mixer provides multiple lin-
earity modes to optimize linearity and current consump-
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tion. The ultra-low gain mode operates with very little
current, which results in significant power savings
because the handset typically spends most of its time in
this mode.
Applications
Triple-Band, Quadruple-Mode PCS/Cellular Handsets
Single-Band Handsets
E911 and Traveler Assistance Through GPS
GSM/TDMA Cellular Phones
Selector Guide
PART CELL PCS GPS CELL VCO
PCS VCO
MAX2351 ✓ ✓
Input
Internal doubler
MAX2354 — —
Input
MAX2358 ✓ ✓ — Internal divider
Input
MAX2359 —
Input
MAX2530 ✓ ✓ ✓
Input
Input
MAX2531 ✓ ✓ ✓
Input
Internal doubler
MAX2537 Internal divider
Input
MAX2538 ✓ ✓ ✓ Internal divider
Input
Features
Eliminate Up to 35 External Components
Low LNA Noise Figure
PCS: 1.2dB
Cellular: 0.9dB
GPS: 1.0dB
No External GPS VCO Required
No Interstage GPS SAW Filter Required
Triple Band, Quadruple Mode
Ultra-Low Current: <10mA Average in CDMA
Phones
Small 28-Pin QFN Package (5mm 5mm)
Ordering Information
PART
TEMP RANGE
MAX2351ETI
-40°C to +85°C
MAX2354ETI
-40°C to +85°C
MAX2358ETI
-40°C to +85°C
MAX2359ETI
-40°C to +85°C
MAX2530ETI
-40°C to +85°C
MAX2531ETI
-40°C to +85°C
MAX2537ETI
-40°C to +85°C
MAX2538ETI
-40°C to +85°C
*EP = exposed pad.
PIN-PACKAGE
28 Thin QFN-EP*
28 Thin QFN-EP*
28 Thin QFN-EP*
28 Thin QFN-EP*
28 Thin QFN-EP*
28 Thin QFN-EP*
28 Thin QFN-EP*
28 Thin QFN-EP*
Pin Configurations
28
CLNA_OUT 1
27
26 25 24
23 22
21 GIF-
PLNA_IN 2
20 GIF+
GND 3
CLNA_IN 4
MAX2538
19 IFO-
18 IFO+
SHDN 5
17 VCC
GLNA_IN 6
÷2 16 LO_OUT
G1 7
÷1.5
15 BUFFEN
8
9
10 11 12
13 14
Pin Configurations continued at end of data sheet.
________________________________________________________________ Maxim Integrated Products 1
For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at
1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com.

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