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Power Detector. LMH2110 Datasheet

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Power Detector. LMH2110 Datasheet






LMH2110 Detector. Datasheet pdf. Equivalent




LMH2110 Detector. Datasheet pdf. Equivalent





Part

LMH2110

Description

Logarithmic RMS Power Detector



Feature


Product Folder Sample & Buy Technical Documents Tools & Software Support & Community LMH2110 SNWS022D – JANUARY 2010 – REVISED JUNE 2015 LMH2110 8-G Hz Logarithmic RMS Power Detector with 45-dB Dynamic Range 1 Features •1 Wi de Supply Range from 2.7 V to 5 V • L ogarithmic Root Mean Square Response 45-dB Linear-in-dB Power Detection Ra nge • Multi-Band Operation f.
Manufacture

Texas Instruments

Datasheet
Download LMH2110 Datasheet


Texas Instruments LMH2110

LMH2110; rom 50 MHz to 8 GHz • LOG Conformance Better than ±0.5 dB • Highly Tempera ture Insensitive, ±0.25 dB • Modulat ion Independent Response, 0.08 dB • M inimal Slope and Intercept Variation Shutdown Functionality • Tiny 6-Bum p DSBGA Package 2 Applications • Mult i-Mode, Multi-Band RF Power Control – GSM/EDGE – CDMA/CDMA2000 – W-CDMA – OFDMA – LTE • Infrastructure RF Power .


Texas Instruments LMH2110

Control space 3 Description The LMH2110 is a 45-dB Logarithmic RMS power detec tor particularly suited for accurate po wer measurement of modulated RF signals that exhibit large peak-to-average rat ios; that is, large variations of the s ignal envelope. Such signals are encoun tered in W-CDMA and LTE cell phones. Th e RMS measurement topology inherently e nsures a modulatio.


Texas Instruments LMH2110

n insensitive measurement. The device ha s an RF frequency range from 50 MHz to 8 GHz. It provides an accurate, tempera ture and supply insensitive output volt age that relates linearly to the RF inp ut power in dBm. The LMH2110 device has excellent conformance to a logarithmic response, enabling easy integration by using slope and intercept only, reduci ng calibration eff.

Part

LMH2110

Description

Logarithmic RMS Power Detector



Feature


Product Folder Sample & Buy Technical Documents Tools & Software Support & Community LMH2110 SNWS022D – JANUARY 2010 – REVISED JUNE 2015 LMH2110 8-G Hz Logarithmic RMS Power Detector with 45-dB Dynamic Range 1 Features •1 Wi de Supply Range from 2.7 V to 5 V • L ogarithmic Root Mean Square Response 45-dB Linear-in-dB Power Detection Ra nge • Multi-Band Operation f.
Manufacture

Texas Instruments

Datasheet
Download LMH2110 Datasheet




 LMH2110
Product
Folder
Sample &
Buy
Technical
Documents
Tools &
Software
Support &
Community
LMH2110
SNWS022D – JANUARY 2010 – REVISED JUNE 2015
LMH2110 8-GHz Logarithmic RMS Power Detector with 45-dB Dynamic Range
1 Features
1 Wide Supply Range from 2.7 V to 5 V
• Logarithmic Root Mean Square Response
• 45-dB Linear-in-dB Power Detection Range
• Multi-Band Operation from 50 MHz to 8 GHz
• LOG Conformance Better than ±0.5 dB
• Highly Temperature Insensitive, ±0.25 dB
• Modulation Independent Response, 0.08 dB
• Minimal Slope and Intercept Variation
• Shutdown Functionality
• Tiny 6-Bump DSBGA Package
2 Applications
• Multi-Mode, Multi-Band RF Power Control
– GSM/EDGE
– CDMA/CDMA2000
– W-CDMA
– OFDMA
– LTE
• Infrastructure RF Power Control
space
3 Description
The LMH2110 is a 45-dB Logarithmic RMS power
detector particularly suited for accurate power
measurement of modulated RF signals that exhibit
large peak-to-average ratios; that is, large variations
of the signal envelope. Such signals are encountered
in W-CDMA and LTE cell phones. The RMS
measurement topology inherently ensures a
modulation insensitive measurement.
The device has an RF frequency range from 50 MHz
to 8 GHz. It provides an accurate, temperature and
supply insensitive output voltage that relates linearly
to the RF input power in dBm. The LMH2110 device
has excellent conformance to a logarithmic response,
enabling easy integration by using slope and intercept
only, reducing calibration effort significantly. The
device operates with a single supply from 2.7 V to
5 V. The LMH2110 has an RF power detection range
from –40 dBm to 5 dBm and is ideally suited for use
in combination with a directional coupler.
Alternatively, a resistive divider can be used.
The device is active for EN = High; otherwise, it is in
a low power-consumption shutdown mode. To save
power and prevent discharge of an external filter
capacitance, the output (OUT) is high-impedance
during shutdown.
Typical Application Circuit
RF
PA
COUPLER
ANTENNA
Device Information(1)
PART NUMBER
PACKAGE
BODY SIZE (MAX)
LMH2110
DSBGA (6)
1.27 mm × 0.87 mm
(1) For all available packages, see the orderable addendum at
the end of the data sheet.
Output Voltage and Log Conformance Error vs.
RF Input Power at 1900 MHz
2.4
3
50 :
VDD
RFIN
A1
B1
A2
LMH2110
OUT
EN C2
B2, C1
GND
ADC
2.0
2
1.6
-40°C 25°C
1
1.2
0
0.8
-1
85°C
0.4
-2
0.0
-40
-30 -20 -10
0
RF INPUT POWER (dBm)
-3
10
1
An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications,
intellectual property matters and other important disclaimers. PRODUCTION DATA.




 LMH2110
LMH2110
SNWS022D – JANUARY 2010 – REVISED JUNE 2015
www.ti.com
Table of Contents
1 Features .................................................................. 1
2 Applications ........................................................... 1
3 Description ............................................................. 1
4 Revision History..................................................... 2
5 Pin Configuration and Functions ......................... 3
6 Specifications......................................................... 4
6.1 Absolute Maximum Ratings ...................................... 4
6.2 ESD Ratings.............................................................. 4
6.3 Recommended Operating Conditions....................... 4
6.4 Thermal Information .................................................. 4
6.5 2.7-V and 4.5-V DC and AC Electrical
Characteristics ........................................................... 5
6.6 Timing Requirements ................................................ 8
6.7 Typical Characteristics .............................................. 9
7 Detailed Description ............................................ 16
7.1 Overview ................................................................. 16
7.2 Functional Block Diagram ....................................... 16
7.3 Feature Description................................................. 16
7.4 Device Functional Modes........................................ 20
8 Application and Implementation ........................ 21
8.1 Application Information............................................ 21
8.2 Typical Applications ................................................ 21
9 Power Supply Recommendations...................... 29
10 Layout................................................................... 29
10.1 Layout Guidelines ................................................. 29
10.2 Layout Example .................................................... 29
11 Device and Documentation Support ................. 30
11.1 Community Resources.......................................... 30
11.2 Trademarks ........................................................... 30
11.3 Electrostatic Discharge Caution ............................ 30
11.4 Glossary ................................................................ 30
12 Mechanical, Packaging, and Orderable
Information ........................................................... 30
4 Revision History
NOTE: Page numbers for previous revisions may differ from page numbers in the current version.
Changes from Revision C (March 2013) to Revision D
Page
• Added Pin Configuration and Functions section, ESD Ratings table, Feature Description section, Device Functional
Modes, Application and Implementation section, Power Supply Recommendations section, Layout section, Device
and Documentation Support section, and Mechanical, Packaging, and Orderable Information section .............................. 1
Changes from Revision B (October 2013) to Revision C
Page
• Changed layout of National Data Sheet to TI format ........................................................................................................... 29
2
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Product Folder Links: LMH2110
Copyright © 2010–2015, Texas Instruments Incorporated




 LMH2110
www.ti.com
5 Pin Configuration and Functions
YFQ Package
6-Bump DSBGA
Top View
VDD A1
A2 OUT
LMH2110
SNWS022D – JANUARY 2010 – REVISED JUNE 2015
RFIN B1
B2 GND
PIN
NUMBER
NAME
A1
VDD
A2
OUT
B1
RFIN
B2
GND
C1
GND
C2
EN
GND C1
C2 EN
TYPE
Power Supply
Output
Analog Input
Power Supply
Power Supply
Logic Input
Pin Functions
DESCRIPTION
Positive supply voltage.
Ground referenced detector output voltage.
RF input signal to the detector, internally terminated with 50 .
Power Ground. May be left floating in case grounding is not feasible.
Power Ground.
The device is enabled for EN = High, and in shutdown mode for EN = Low. EN
must be < 2.5 V to have low IEN. For EN > 2.5 V, IEN increases slightly, while
device is still functional. Absolute maximum rating for EN = 3.6 V.
Copyright © 2010–2015, Texas Instruments Incorporated
Product Folder Links: LMH2110
Submit Documentation Feedback
3






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