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參數資料
| 型號： | MAX2386EBP-T |
| 廠商： | MAXIM INTEGRATED PRODUCTS INC |
| 元件分類： | 無繩電話/電話 |
| 英文描述： | CDMA + GPS LNA/Mixers |
| 中文描述： | TELECOM, CELLULAR, RF AND BASEBAND CIRCUIT, PBGA20 |
| 封裝： | 2.10 X 2.70 MM, UCSP-20 |
| 文件頁數： | 1/18頁 |
| 文件大小： | 216K |
| 代理商： | MAX2386EBP-T |
General Description
The MAX2385/MAX2386 LNA/mixer ICs are designed
for CDMA/cdma2000 1x and GPS applications. The
MAX2385/MAX2386 are optimized for the Japanese
832MHz to 870MHz band, and can also be configured
for the Korean/Chinese/U.S. 869MHz to 894MHz band.
To optimize linearity and current consumption, the
CDMA LNA comprises four gain states. The high-gain
LNA has a reduced supply-current mode for use when
no transmit (Tx) signal is present, and a high linearity
mode, which minimizes Tx cross-modulation in the
presence of a large interfering signal during talk mode.
Two low-gain modes, provide higher cascade IIP3 at
lower current. The lowest gain setting provides an LNA
bypass and an ultra-low chip current of 4mA. This sig-
nificantly extends the phone’s standby time and lowers
the overall current consumption of the phone.
Gain-switching hysteresis can be adjusted by selection
of an off-chip resistor, which sets the current and linear-
ity in each mode to customize switchover points.
In GPS mode, the MAX2386 LNA offers high gain and
the MAX2385 features lower current consumption with
lower gain. The CDMA paths of the MAX2385/MAX2386
are identical.
The MAX2385/MAX2386 include an on-chip LO divider,
which enables the use of one VCO module for both cel-
lular and GPS modes. An on-chip LO buffer to drive the
Tx upconverter further reduces system complexity.
Applications
CDMA/cdma2000 1x Cellular Phones with GPS
Features
o
Low Average Current Consumption: 4.5mA
(CDMA)
o
+2.7V to +3.6V Operation
o
2.0dB Cascade GPS Noise Figure
o
2.5 dB Cascade CDMA Noise Figure
o
Adjustable IIP3
o
LO Output Buffer to Drive Tx Upconverter
o
1μA Shutdown Current
o
Tiny 2.1mm
2.7mm Chip-Scale Package
(UCSP)
o
Single VCO for GPS and CDMA Operation
o
LO Divider Improves Phase Noise/Desensitization
M
CDMA + GPS LNA/Mixers
________________________________________________________________
Maxim Integrated Products
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.
1
19-2205; Rev 0; 10/01
EVALUATION KIT
AVAILABLE
*
Requires a special solder temperature profile described in the
Absolute Maximum Ratings section.
Ordering Information
PART
TEMP. RANGE
-40
°
C to +85
°
C
-40
°
C to +85
°
C
BUMP-PACKAGE
5
4 UCSP*
5
4 UCSP*
MAX2385
EBP-T
MAX2386
EBP-T
UCSP is a trademark of Maxim Products, Inc.
MAX2385
MAX2386
CDMA PATH
VCO
LO BUFFER
ENABLE
LO BUFFER
OUTPUT
GPS PATH
÷
2
Block Diagram
Pin Configuration/Functional Diagram/Typical Operating
Circuit appears at end of data sheet.
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| MAX2387EGC+ | 功能描述:射頻混合器 RoHS:否 制造商:NXP Semiconductors 頻率范圍: 轉換損失——最大: 工作電源電壓:6 V 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 安裝風格:Through Hole 封裝 / 箱體:PDIP-8 封裝:Tube |
| MAX2387EGC-T | 功能描述:射頻混合器 RoHS:否 制造商:NXP Semiconductors 頻率范圍: 轉換損失——最大: 工作電源電壓:6 V 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 安裝風格:Through Hole 封裝 / 箱體:PDIP-8 封裝:Tube |
| MAX2387ETC | 功能描述:射頻混合器 RoHS:否 制造商:NXP Semiconductors 頻率范圍: 轉換損失——最大: 工作電源電壓:6 V 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 安裝風格:Through Hole 封裝 / 箱體:PDIP-8 封裝:Tube |
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