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MAX2531 데이터시트 PDF




Maxim Integrated Products에서 제조한 전자 부품 MAX2531은 전자 산업 및 응용 분야에서
광범위하게 사용되는 반도체 소자입니다.


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부품번호 MAX2531 기능
기능 Quadruple-Mode PCS/Cellular/GPS LNA/Mixers
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MAX2531 데이터시트, 핀배열, 회로
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-
www.DataSheet4U.com
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.




MAX2531 pdf, 반도체, 판매, 대치품
Quadruple-Mode PCS/Cellular/GPS LNA/Mixers
AC ELECTRICAL CHARACTERISTICS (continued)
(EV kits to evaluate the MAX2351/MAX2354/MAX2358/MAX2359/MAX2530/MAX2531/MAX2357/MAX2538, fCELL = 869MHz to
894MHz, fPCS = 1930MHz to 1990MHz, fGPS = 1575.42MHz (MAX2530/MAX2531/MAX2537/MAX2538), fIF = 183.6MHz, high-side
LO for all except GPS, 50system impedance, VCC = 2.7V to 3.3V, RBIAS = 20k, RIF0 = RIF1 = 3.3k, RGIF = 8.2k, LO input
power = -10dBm, TA = -40°C to +85°C. Typical values are at fCELL = 881MHz, fPCS = 1960MHz, VCC = 2.75V, LO input power = -
7dBm, unless otherwise noted.) (Note 2)
PARAMETER
LNA Gain
(Note 1)
LNA Noise Figure
www.DataSheet4U.com
LNA IP3
(Note 4)
CONDITIONS
MIN TYP MAX UNITS
PCS
HGHL
LG/ULG
TA = +25°C
TA = -40°C to +85°C
TA = +25°C
TA = -40°C to +85°C
15 16 17
14.5 17.5
-5.5 -4.5 -3.2
-6 -4.5 -3.2
dB
GPS
TA = +25°C
TA = -40°C to +85°C
16 17.7
15.5
19
20
HGHL/
HGLL
CELL
TA = +25°C
Change over temperature from
TA = +25°C to +85°C
0.9 1.2
0.2
MG TA = +25°C
2.0 2.5
LG/ULG TA = +25°C
5.0 6.5
HGHL
PCS
TA = +25°C
Change over temperature from
TA = +25°C to +85°C
1.2 1.5
dB
0.2
LG/ULG TA = +25°C
5.5 7.0
TA = +25°C
1.0 1.3
GPS
Change over temperature from
TA = +25°C to +85°C
0.2
HGHL
PIN = -25dBm, TA = -40°C to +85°C
(Note 1)
9.5
13
CELL HGLL
PIN = -25dBm, TA = -40°C to +85°C 6.5
12.2
MG
PIN = -25dBm, TA = -40°C to +85°C 13.5
17
LG/ULG PIN = -15dBm, TA = -40°C to +85°C 20
24.6
dBm
HGHL
PCS
PIN = -25dBm, TA = -40°C to +85°C
(Note 1)
8
12
LG/ULG PIN = -15dBm, TA = -40°C to +85°C
GPS
PIN = -25dBm, TA = -40°C to +85°C
20
0
24.4
4.6
4 _______________________________________________________________________________________

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MAX2531 전자부품, 판매, 대치품
Quadruple-Mode PCS/Cellular/GPS LNA/Mixers
Typical Operating Characteristics (continued)
(MAX2538 EV kit, fIF = 183.6MHz, high-side LO for all modes except GPS, 50system impedance, RBIAS = 20k, RIF0 = RIF1 =
3.3k, RGIF = 8.2k, fCELL = 881MHz, fPCS = 1960MHz, fGPS = 1575.42MHz, VCC = 2.75V, LO input power = -7dBm, HGHL mode,
TA = +25°C, unless otherwise noted.)
MIXER GAIN vs. LO POWER
16
GPS
14
PCS LOW-SIDE LO
12
PCS CELL
10
MIXER IIP3 vs. LO POWER
10
CELL
8
PCS
6
4
2 PCS LOW-SIDE LO
GPS
0
MIXER GAIN vs. SUPPLY CURRENT
20
GPS
16
PCS
12
CELL
8
4
8
-10
-8 -6 -4 -2
LO INPUT POWER (dBm)
0
-2
-10
-8 -6 -4 -2
LO POWER INPUT (dBm)
0
0
10 15 20 25 30 35 40
SUPPLY CURRENT (mA)
MIXER IIP3 vs. SUPPLY CURRENT
18
www.DataSheet4U.com 14
10
CELL
6
PCS
2
GPS
-2
-6
-10
10
15 20 25 30 35
SUPPLY CURRENT (mA)
40
LNA NOISE FIGURE vs. SUPPLY CURRENT
1.6
1.4
1.2
GPS
1.0
PCS
0.8
0.6
10
CELL
15 20 25 30 35
SUPPLY CURRENT (mA)
40
LNA GAIN vs. SUPPLY CURRENT
20
GPS
18
16
PCS
14
CELL
12
10
8
10 15 20 25 30 35 40
SUPPLY CURRENT (mA)
LNA IIP3 vs. SUPPLY CURRENT
20
15 CELL
10
5
PCS
0
-5
GPS
-10
10
15 20 25 30 35
SUPPLY CURRENT (mA)
40
_______________________________________________________________________________________ 7

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