參數(shù)資料
型號: MAX2015
廠商: Maxim Integrated Products, Inc.
英文描述: 0.1GHz to 2.5GHz, 75dB Logarithmic Detector/Controller
中文描述: 0.1GHz至3GHz、75dB對數(shù)檢測器/控制器
文件頁數(shù): 1/10頁
文件大?。?/td> 628K
代理商: MAX2015
General Description
The MAX2015 complete multistage logarithmic amplifier
is designed to accurately convert radio-frequency (RF)
signal power in the 0.1GHz to 2.5GHz frequency range
to an equivalent DC voltage. The outstanding dynamic
range and precision over temperature of this log ampli-
fier make it particularly useful for a variety of base sta-
tion and other wireless applications, including
automatic gain control (AGC), transmitter power mea-
surements, and received signal strength indication
(RSSI) for terminal devices.
The MAX2015 can also be operated in a controller
mode where it measures, compares, and controls the
output power of a variable-gain amplifier as part of a
fully integrated AGC loop.
This logarithmic amplifier provides much wider mea-
surement range and superior accuracy compared to
controllers based on diode detectors, while achieving
excellent temperature stability over the full -40°C to
+85°C operating range.
Applications
AGC Measurement and Control
RF Transmitter Power Measurement
RSSI Measurements
Cellular Base Station, WLAN, Microwave Link,
Radar, and other Military Applications
Features
o
Complete RF Detector/Controller
o
0.1GHz to 2.5GHz Frequency Range
o
Exceptional Accuracy Over Temperature
o
High Dynamic Range
o
2.7V to 5.25V Supply Voltage Range*
o
Scaling Stable Over Supply and Temperature
Variations
o
Controller Mode with Error Output
o
Shutdown Mode with Typically 1μA of Supply
Current
o
Available in 8-Pin μMAX Package
M
0.1GHz to 2.5GHz, 75dB Logarithmic
Detector/Controller
________________________________________________________________
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
Ordering Information
MAX2015
7dB
Σ
50
20k
SET
OUT
8
7
2
INHI
INLO
3
6
1, 4
PWDN
5
20k
Σ
7dB
Σ
7dB
V
CC
GND
POWER DETECTORS
OFFSET AND COMMON-
MODE AMP
Functional Diagram
19-2998; Rev 1; 12/03
Pin Configuration appears at end of data sheet.
PART
TEMP RANGE
-40
°
C to +85
°
C
PIN-PACKAGE
8 μMAX
MAX2015EUA-T
*
See Power-Supply Connections section.
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