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PDF MAX2374 Data sheet ( Hoja de datos )
| Número de pieza | MAX2374 | |
| Descripción | SiGe / Variable IIP3 / Low-Noise Amplifier in UCSP Package | |
| Fabricantes | Maxim Integrated Products | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de MAX2374 (archivo pdf) en la parte inferior de esta página. Total 8 Páginas | ||
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19-1614; Rev 0; 6/00
EVFAOLLULAOTWIOSNDKAITTAMSAHNEUEATL
SiGe, Variable IIP3, Low-Noise Amplifier
in UCSP Package
General Description
The MAX2374 silicon-germanium (SiGe), switchable-
gain, variable-linearity, low-noise amplifier (LNA) is
designed for cellular-band, code-division multiple-
access (CDMA). It can be used for applications such
as TDMA and PDC or wherever high dynamic range
and low noise are required. This LNA provides a high
intermodulation intercept point (IIP3), which is
adjustable to meet specific system requirements by
selecting an appropriate external resistor. To achieve
high gain and low noise, the LNA is packaged in a tiny
ultra-chip-scale package (UCSP) with six solder
bumps. The LNA operates from a +2.7V to +5.5V single
supply and consumes just 8.5mA while achieving a
+6.2dBm input IIP3. Supply current reduces to less
than 1µA in shutdown mode.
The MAX2374 provides two gain modes. High-gain
mode optimizes system sensitivity, while low-gain mode
optimizes system linearity.
Applications
CDMA Phones
TDMA Phones
Wireless Local Loop (WLL)
GSM Handsets
Land Mobile Radio
Wireless Data
Features
o +2.7V to +5.5V Single Supply
o Low Operating Current
8.5mA for High Linearity
4.5mA for Paging
4.1mA in Low-Gain, High-Linearity Mode
o Low Noise Figure: 1.5dB Cellular
o Adjustable IIP3
o Two Gain Settings
o < 1µA Shutdown Mode
o Ultra-Small 6-Bump UCSP (1mm x 1.5mm)
Ordering Information
PART
TEMP. RANGE
PIN-
PACKAGE
TOP
MARK
MAX2374EBT -40°C to +85°C 6 UCSP*
AAB
*UCSP reliability is integrally linked to the user’s assembly
methods, circuit board material, and environment. Refer to the
UCSP Reliability Notice in the UCSP Reliability section of this
data sheet for more information.
Pin Configuration appears at end of data sheet.
Typical Application Circuit
100pF
VCC = + 2.75V
LNA INPUT
5pF
6.8nH
A3
GND
B3
VCC
0.01µF
MAX2374
A2 B2
LNAIN
LNAOUT
A1
GAIN-CONTROL
LOGIC OUTPUT
GAIN
B1
BIAS
8.2nH
2pF
VCC
RBIAS
LNA OUTPUT
________________________________________________________________ Maxim Integrated Products 1
For free samples and the latest literature, visit www.maxim-ic.com or phone 1-800-998-8800.
For small orders, phone 1-800-835-8769.
1 page  
SiGe, Variable IIP3, Low-Noise Amplifier
in UCSP Package
Table 1a. S-Parameters (VCC = VGAIN = 2.75V)
S11
FREQ (MHz)
MAGNITUDE ANGLE
S21
MAGNITUDE ANGLE
50
0.929
-11.89
12.84
-151.3
250 0.728
-49
9.83 122.73
500 0.571 -77.5 6.19 79.42
750 0.524
-101
4.21 49.35
1000
0.529
-123.7
3.12
24.18
1250
0.568
-145.2
2.38
1
1500
0.612
-165
1.77
-19.2
1750
0.639
176
1.46
-35
2000
0.652
163
1.07
-51
2250
0.664
149
1.01 -60.5
2500
0.691
139
0.892
-77
2750
0.716
125
0.781
-91.7
3000
0.72
111.5
0.662
-104
S12
MAGNITUDE ANGLE
0.007
123.5
0.026
69
0.041
47.6
0.053
33.3
0.06 21
0.063
11.19
0.057
5.042
0.061
15
0.094
17
0.161
-12.9
0.1 -45.4
0.078
-37
0.074
-33.3
S22
MAGNITUDE ANGLE
0.908
78.8
0.842
-20.2
0.728
-54.8
0.68 -81
0.671
-105
0.68 -128
0.704
-150
0.732
-171
0.697
162
0.626
158.7
0.689
146.5
0.693
128
0.686
110
Table 1b. S-Parameters (VCC = 2.75V, VGAIN = GND)
S11
FREQ (MHz)
MAGNITUDE ANGLE
S21
MAGNITUDE ANGLE
S12
MAGNITUDE ANGLE
50
0.987
-8.93
1.25 -148.7
0.01
127
250 0.916 -42.4 1.21 128.8 0.06 85.7
500 0.8
-77
1 72.4 0.14 52.2
750
0.75
-106
0.772
28.18
0.189
19.6
1000
0.754
-132.7
0.583
-6.87
0.2
-9.33
1250
0.782
-158
0.429
-34.5
0.184
-30.7
1500
0.803
180 0.301
-54
0.146
-47
1750
0.811
159.5
0.228
-66
0.117
-53.4
2000
0.797
141.5
0.148
-66
0.096
-42.5
2250
0.739
126.3
0.196
-62
0.175
-47
2500
0.745
112 0.156
-89
0.123
-77.2
2750
0.701
92.4
0.096
-83
0.082
-63.3
3000
0.591
73
0.112
-73.48
0.103
-62.8
S22
MAGNITUDE ANGLE
0.374
85.8
0.471
1.23
0.596
-42
0.659
-82
0.689
-117.3
0.694
-147.5
0.695
-173
0.681
164.6
0.629
141.7
0.534
140
0.623
126.35
0.6 103.2
0.566
85.8
_______________________________________________________________________________________ 5
5 Page | ||
| Páginas | Total 8 Páginas | |
| PDF Descargar | [ Datasheet MAX2374.PDF ] | |
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