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Maxim Integrated Semiconductor Electronic Components Datasheet

MAX2014 Datasheet

75dB Logarithmic Detector/Controller

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19-0583; Rev 1; 2/12
50MHz to 1000MHz, 75dB Logarithmic
Detector/Controller
General Description
The MAX2014 complete multistage logarithmic amplifier is
designed to accurately convert radio-frequency (RF) sig-
nal power in the 50MHz to 1000MHz frequency range to
an equivalent DC voltage. The outstanding dynamic range
and precision over temperature of this log amplifier make it
particularly useful for a variety of base-station and other
wireless applications, including automatic gain control
(AGC), transmitter power measurements, and received-
signal-strength indication (RSSI) for terminal devices.
The MAX2014 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.
Features
Complete RF Detector/Controller
50MHz to 1000MHz Frequency Range
Exceptional Accuracy Over Temperature
High Dynamic Range
2.7V to 5.25V Supply Voltage Range*
Scaling Stable Over Supply and Temperature
Variations
Controller Mode with Error Output
Shutdown Mode with Typically 1µA of Supply
Current
Available in 8-Pin TDFN and 8-pin µMAX® Package
Applications
AGC Measurement and Control
RF Transmitter Power Measurement
RSSI Measurements
Cellular Base-Station, WLAN, Microwave Link,
Radar, and other Military Applications
Optical Networks
µMAX is a registered trademark of Maxim Integrated Products, Inc.
*See the Power-Supply Connections section.
Ordering Information appears at end of data sheet.
Functional Diagram
VCC
1, 4
2
INHI
3
INLO
POWER DETECTORS
ΣΣ
50Ω 7dB 7dB
Σ
7dB
8
OUT
7
SET
20kΩ
5
PWDN
MAX2014
OFFSET AND COMMON-
MODE AMP
20kΩ
6
GND
Pin Configuration appears at end of data sheet.
________________________________________________________________ Maxim Integrated Products 1
For pricing, delivery, and ordering information, please contact Maxim Direct
at 1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com.


Maxim Integrated Semiconductor Electronic Components Datasheet

MAX2014 Datasheet

75dB Logarithmic Detector/Controller

No Preview Available !

50MHz to 1000MHz, 75dB Logarithmic
Detector/Controller
ABSOLUTE MAXIMUM RATINGS
VCC (Pins 1, 4) to GND........................................-0.3V to +5.25V
SET, PWDN to GND....................................-0.3V to (VCC + 0.3V)
Input Power Differential INHI, INLO................................+23dBm
Input Power Single Ended (INHI or INLO grounded).....+19dBm
Continuous Power Dissipation (TA = +70°C)
TDFN (derate 18.5mW/°C above +70°C)....................1480mW
µMAX (derate 4.5mW/°C above +70°C) .......................362mW
Operating Temperature Range ...........................-40°C to +85°C
Junction Temperature ......................................................+150°C
Storage Temperature Range .............................-65°C to +150°C
Lead Temperature (soldering, 10s) .................................+300°C
Soldering Temperature (reflow) .......................................+260°C
Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional
operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to
absolute maximum rating conditions for extended periods may affect device reliability.
PACKAGE THERMAL CHARACTERISTICS (Note 1)
TDFN:
Junction-to-Ambient Thermal Resistance (θJA) ............54°C/W
Junction-to-Case Thermal Resistance (θJC) ...................8°C/W
µMAX:
Junction-to-Ambient Thermal Resistance (θJA) ..........221°C/W
Junction-to-Case Thermal Resistance (θJC) .................42°C/W
Note 1: Package thermal resistances were obtained using the method described in JEDEC specification JESD51-7. For detailed
information on package thermal considerations, refer to www.maxim-ic.com/thermal-tutorial.
DC ELECTRICAL CHARACTERISTICS
(Typical Application Circuit (Figure 1), VS = +3.3V, fRF = 50MHz to 1000MHz, R1 = 0Ω, R4 = 0Ω, RL = 10kΩ, TA = -40°C to +85°C,
unless otherwise noted. Typical values are at TA = +25°C, unless otherwise noted.) (Note 2)
PARAMETER
POWER SUPPLY
SYMBOL
CONDITIONS
MIN TYP MAX UNITS
Supply Voltage
R4 = 75Ω ±1%, PWDN must be
4.75
VS connected to GND
R4 = 0Ω
2.7
5.25
V
3.6
Supply Current
Supply Current Variation with Temp
Shutdown Current
CONTROLLER REFERENCE (SET)
SET Input Voltage Range
SET Input Impedance
DETECTOR OUTPUT (OUT)
Source Current
Sink Current
Minimum Output Voltage
Maximum Output Voltage
ICC
ICC
ICC
VOUT(MIN)
VOUT(MAX)
TA = +25°C, VS = 5.25V,
R4 = 75Ω
TA = +25°C
TA = -40°C to +85°C
VPWDN = VCC
17.3
17.3 20.5
0.05
1
0.5 to 1.8
40
4
450
0.5
1.8
mA
mA/°C
µA
V
kΩ
mA
µA
V
V
2


Part Number MAX2014
Description 75dB Logarithmic Detector/Controller
Maker Maxim Integrated Products
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MAX2014 Datasheet PDF






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