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For price, delivery, and to place orders, please contact Hittite Microwave Corporation:
20 Alpha Road, Chelmsford, MA 01824 Phone: 978-250-3343 Fax: 978-250-3373
Order On-line at www.hittite.com
POWER DETECTORS - SMT
12
12 - 48
The HMC611LP4(E) Logarithmic Detector/Controller
converts RF signals at its input, to a proportional DC
voltage at its output. The HMC611LP4(E) employs
a successive compression topology which delivers
extremely high dynamic range and conversion accuracy
over a wide input frequency range. As the input power
is increased, successive ampli ers move into saturation
one by one creating an accurate approximation of the
logarithm function. The output of a series of square law
detectors is summed, converted into voltage domain
and buffered to drive the LOGOUT output. For detection
mode, the LOGOUT pin is shorted to the VSET input,
and will provide a nominal logarithmic slope of -25mV/
dB and an intercept of 18 dBm (22 dBm for ƒ ≥ 5.8 GHz).
The HMC611LP4(E) can also be used in the controller
mode where an external voltage is applied to the VSET
pin, to create an AGC or APC feedback loop.
General Description
HMC611LP4 / 611LP4E
Features
Functional Diagram
Wide Dynamic Range: Up to 63 dB
High Accuracy: ±1 dB with 54 dB Range Up to 8 GHz
Supply Voltage: +5V
Excellent Stability over Temperature
Buffered Temperature Sensor Output
24 Lead 4x4mm SMT Package: 16mm
Typical Applications
The HMC611LP4(E) is ideal for IF and RF applica-
tions in:
• Cellular/PCS/3G
• WiMAX, WiBro, WLAN, Fixed Wireless & Radar
• Power Monitoring & Control Circuitry
• Receiver Signal Strength Indication (RSSI)
• Automatic Gain & Power Control
Electrical Speci cations, TA = +25C[1]
Parameter Typ. Typ. Typ. Typ. Typ. Units
Input Frequency 1 - 3600 5800 7000 8000 10000 MHz
±3 dB Dynamic Range 70 66 62 59 50 dB
±3 dB Dynamic Range Center -25 -23 -21 -20 -15 dBm
±1 dB Dynamic Range 60 61 58 52 42 dB
Output Intercept 18 25 23 22 21 dBm
Output Slope -25 -24 -26 -28 -32 mV/dB
Temperature Sensitivity @ -10 dBm Input [2] 7582028mdB/°C
[1] Detector mode measurements; LOGOUT (Pin 15) is shorted to VSET (Pin 16).
[2] Measured from TA = -40°C to TA = +85°C
60 dB, LOGARITHMIC
DETECTOR / CONTROLLER, 1 - 10000 MHz
v04.0309
For price, delivery, and to place orders, please contact Hittite Microwave Corporation:
20 Alpha Road, Chelmsford, MA 01824 Phone: 978-250-3343 Fax: 978-250-3373
Order On-line at www.hittite.com
POWER DETECTORS - SMT
12
12 - 49
Electrical Speci cations, (continued)
Parameter Conditions Min. Typ. Max. Units
LOGOUT Interface
Output Voltage Range 0Vcc -1.0V
Output Rise Time [3] / Fall Time [4] 10 / 10 ns
VSET Interface
Input Impedance 30 k
Input Voltage Range 0.25 to 1.35 V
Low Frequency Gain VSET to LOGOUT 56 dB
Open Loop Corner Frequency 700 kHz
Power Down (EN) Interface
Voltage Range for Normal Mode 0.8 x Vcc [1] Vcc [1] V
Voltage Range for Powerdown Mode 0 0.2 x Vcc [1] V
Threshold Voltage Vcc [1]/2 V
Power Supply (Vcc1, Vcc2, Vcc3)
Operating Voltage Range 4.5 5.5 V
Supply Current in Normal Mode 106 mA
Supply Current in Power Down Mode 1mA
[1] Vcc= Vcc1= Vcc2= Vcc3= +5V [3] -10 dBm Input Pulsed; measured from 10% to 70%; C9 removed from board
[4] -10 dBm Input Pulsed; measured from 90% to 10%; C9 removed from board
Parameter Condition
Vcc1 = Vcc2 = Vcc3 +5V
Input Zo 50 
TA+25 C
Fin 900 MHz
Test Conditions
LOGOUT Voltage & Error
vs. Input Power, Fin = 100 MHz
LOGOUT Voltage & Error
vs. Input Power, Fin = 50 MHz
0.2
0.8
1.4
2
2.6
-4
-2
0
2
4
-70 -60 -50 -40 -30 -20 -10 0 10
ERR +25C
ERR +85C
ERR -40C
Ideal
LOGOUT +25C
LOGOUT +85C
LOGOUT -40C
LOGOUT (V)
ERROR (dB)
INPUT POWER (dBm)
0.2
0.8
1.4
2
2.6
-4
-2
0
2
4
-70 -60 -50 -40 -30 -20 -10 0 10
ERR +25C
ERR +85C
ERR -40C
Ideal
LOGOUT +25C
LOGOUT +85C
LOGOUT -40C
LOGOUT (V)
ERROR (dB)
INPUT POWER (dBm)
Component Values Used at Key Application Frequencies with Vcc = +5V
Component Frequency (MHz)
50 100 900 1900 2200 3600 5800 7000 7500 8000 10000
C1 100nF 100nF 100pF 100pF 100pF 100pF 100pF 100pF 100pF 100pF 100pF
C2 100nF 100nF 100pF 100pF 100pF 100pF 100pF 100pF 100pF 100pF 100pF
Unless otherwise noted: Vcc1, Vcc2, Vcc3 = +5V, TA = +25C
HMC611LP4 / 611LP4E
v04.0309 60 dB, LOGARITHMIC
DETECTOR / CONTROLLER, 1 - 10000 MHz
For price, delivery, and to place orders, please contact Hittite Microwave Corporation:
20 Alpha Road, Chelmsford, MA 01824 Phone: 978-250-3343 Fax: 978-250-3373
Order On-line at www.hittite.com
POWER DETECTORS - SMT
12
12 - 50
LOGOUT Voltage & Error
vs. Input Power, Fin = 2200 MHz
LOGOUT Voltage & Error
vs. Input Power, Fin = 1900 MHz
LOGOUT Voltage & Error
vs. Input Power, Fin = 900 MHz
Unless otherwise noted: Vcc1, Vcc2, Vcc3 = +5V, TA = +25C
LOGOUT Voltage & Error
vs. Input Power, Fin = 3600 MHz
LOGOUT Voltage & Error
vs. Input Power, Fin = 5800 MHz
LOGOUT Voltage & Error
vs. Input Power, Fin = 7000 MHz
0.2
0.8
1.4
2
2.6
-4
-2
0
2
4
-70 -60 -50 -40 -30 -20 -10 0 10
ERR +25C
ERR +85C
ERR -40C
Ideal
LOGOUT +25C
LOGOUT +85C
LOGOUT -40C
LOGOUT (V)
ERROR (dB)
INPUT POWER (dBm)
0.2
0.8
1.4
2
2.6
-4
-2
0
2
4
-70 -60 -50 -40 -30 -20 -10 0 10
ERR +25C
ERR +85C
ERR -40C
Ideal
LOGOUT +25C
LOGOUT +85C
LOGOUT -40C
LOGOUT (V)
ERROR (dB)
INPUT POWER (dBm)
0.2
0.8
1.4
2
2.6
-4
-2
0
2
4
-70 -60 -50 -40 -30 -20 -10 0 10
ERR +25C
ERR +85C
ERR -40C
Ideal
LOGOUT +25C
LOGOUT +85C
LOGOUT -40C
LOGOUT (V)
ERROR (dB)
INPUT POWER (dBm)
0.2
0.8
1.4
2
2.6
-4
-2
0
2
4
-70 -60 -50 -40 -30 -20 -10 0 10
ERR +25C
ERR +85C
ERR -40C
Ideal
LOGOUT +25C
LOGOUT +85C
LOGOUT -40C
LOGOUT (V)
ERROR (dB)
INPUT POWER (dBm)
HMC611LP4 / 611LP4E
v04.0309 60 dB, LOGARITHMIC
DETECTOR / CONTROLLER, 1 - 10000 MHz
0.2
0.8
1.4
2
2.6
-6
-3
0
3
6
-70 -60 -50 -40 -30 -20 -10 0 10
ERR +25C
ERR +85C
ERR -40C
Ideal
LOGOUT +25C
LOGOUT +85C
LOGOUT -40C
LOGOUT (V)
ERROR (dB)
INPUT POWER (dBm)
0.2
0.8
1.4
2
2.6
-4
-2
0
2
4
-70 -60 -50 -40 -30 -20 -10 0 10
ERR +25C
ERR +85C
ERR -40C
Ideal
LOGOUT +25C
LOGOUT +85C
LOGOUT -40C
LOGOUT (V)
ERROR (dB)
INPUT POWER (dBm)
For price, delivery, and to place orders, please contact Hittite Microwave Corporation:
20 Alpha Road, Chelmsford, MA 01824 Phone: 978-250-3343 Fax: 978-250-3373
Order On-line at www.hittite.com
POWER DETECTORS - SMT
12
12 - 51
Unless otherwise noted: Vcc1, Vcc2, Vcc3 = +5V, TA = +25C
LOGOUT Voltage & Error
vs. Input Power, Fin = 8000 MHz
0
0.6
1.2
1.8
2.4
-10
-5
0
5
10
-70 -60 -50 -40 -30 -20 -10 0 10
ERR +25C
ERR +85C
ERR -40C
Ideal
LOGOUT +25C
LOGOUT +85C
LOGOUT -40C
LOGOUT (V)
ERROR (dB)
INPUT POWER (dBm)
Input Return Loss
-50
-40
-30
-20
-10
0
0246810
FREQUENCY (GHz)
RETURN LOSS (dB)
LOGOUT Slope vs. Frequency
-32
-30
-28
-26
-24
-22
-20
0246810
+25C
+85C
-40C
FREQUENCY (GHz)
SLOPE (mV/dB)
HMC611LP4 / 611LP4E
v04.0309 60 dB, LOGARITHMIC
DETECTOR / CONTROLLER, 1 - 10000 MHz
LOGOUT Voltage & Error
vs. Input Power, Fin = 10000 MHz
0.2
0.8
1.4
2
2.6
-10
-5
0
5
10
-70 -60 -50 -40 -30 -20 -10 0 10
ERR +25C
ERR +85C
ERR -40C
Ideal
LOGOUT +25C
LOGOUT +85C
LOGOUT -40C
LOGOUT (V)
ERROR (dB)
INPUT POWER (dBm)
For price, delivery, and to place orders, please contact Hittite Microwave Corporation:
20 Alpha Road, Chelmsford, MA 01824 Phone: 978-250-3343 Fax: 978-250-3373
Order On-line at www.hittite.com
POWER DETECTORS - SMT
12
12 - 52
Absolute Maximum Ratings
ELECTROSTATIC SENSITIVE DEVICE
OBSERVE HANDLING PRECAUTIONS
Vcc1, Vcc2, Vcc3 +5.6V
EN +5.6V
VSET Input Voltage +5.6V
LOGOUT Output Current 3 mA
RF Input Power +15 dBm
Junction Temperature 125 °C
Continuous Pdiss (T = 85°C)
(Derate 7.95 mW/°C above 85°C) 1.55 Watts
Thermal Resistance (Rth)
(junction to lead) 42 °C/W
Storage Temperature -65 to +150 °C
Operating Temperature -40 to +85 °C
LOGOUT Intercept vs. Supply VoltageLOGOUT Intercept vs. Frequency
12
15
18
21
24
27
30
0246810
+25C
+85C
-40C
FREQUENCY (GHz)
INTERCEPT (dBm)
12
14
16
18
20
22
24
26
4.5 5 5.5
0.1GHz
1.9GHz
3.6GHz
5.8GHz
8GHz
10GHz
INTERCEPT (dBm)
Vcc1, Vcc2, Vcc3 (V)
[1] Unless otherwise noted: Vcc1, Vcc2, Vcc3 = +5V, TA = +25C
HMC611LP4 / 611LP4E
v04.0309 60 dB, LOGARITHMIC
DETECTOR / CONTROLLER, 1 - 10000 MHz
For price, delivery, and to place orders, please contact Hittite Microwave Corporation:
20 Alpha Road, Chelmsford, MA 01824 Phone: 978-250-3343 Fax: 978-250-3373
Order On-line at www.hittite.com
POWER DETECTORS - SMT
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Outline Drawing
Part Number Package Body Material Lead Finish MSL Rating Package Marking [3]
HMC611LP4 Low Stress Injection Molded Plastic Sn/Pb Solder MSL1 [1] H611
XXXX
HMC611LP4E RoHS-compliant Low Stress Injection Molded Plastic 100% matte Sn MSL1 [2] H611
XXXX
[1] Max peak re ow temperature of 235 °C
[2] Max peak re ow temperature of 260 °C
[3] 4-Digit lot number XXXX
Package Information
NOTES:
1. LEADFRAME MATERIAL: COPPER ALLOY
2. DIMENSIONS ARE IN INCHES [MILLIMETERS].
3. LEAD SPACING TOLERANCE IS NON-CUMULATIVE
4. PAD BURR LENGTH SHALL BE 0.15mm MAXIMUM.
PAD BURR HEIGHT SHALL BE 0.05mm MAXIMUM.
5. PACKAGE WARP SHALL NOT EXCEED 0.05mm.
6. ALL GROUND LEADS AND GROUND PADDLE MUST
BE SOLDERED TO PCB RF GROUND.
7. REFER TO HMC APPLICATION NOTE FOR SUGGESTED PCB LAND PATTERN.
HMC611LP4 / 611LP4E
v04.0309 60 dB, LOGARITHMIC
DETECTOR / CONTROLLER, 1 - 10000 MHz
For price, delivery, and to place orders, please contact Hittite Microwave Corporation:
20 Alpha Road, Chelmsford, MA 01824 Phone: 978-250-3343 Fax: 978-250-3373
Order On-line at www.hittite.com
POWER DETECTORS - SMT
12
12 - 54
Pin Number Function Description Interface Schematic
1, 6, 7, 13,
17, 18, 21, 22 N/C These pins are not connected internally.
2 TEMP Temperature sensor output pin
3, 4 IN+, IN- RF Input pins. Connect RF to IN+, and AC couple
IN- to ground for single-ended operation.
5EN
Enable pin, connect to Vcc1, Vcc2, Vcc3 for normal
operation. Applying voltage <0.2 x (Vcc1, Vcc2, Vcc3) will
initiate power saving mode.
8 - 12, 19, 20,
23, 24
Vcc1, Vcc2,
Vcc3
Bias supply. Connect supply voltage to
these pins with appropriate  ltering.
14 CLPF Loop  lter capacitor for output ripple  ltering.
Pin Descriptions
HMC611LP4 / 611LP4E
v04.0309 60 dB, LOGARITHMIC
DETECTOR / CONTROLLER, 1 - 10000 MHz
For price, delivery, and to place orders, please contact Hittite Microwave Corporation:
20 Alpha Road, Chelmsford, MA 01824 Phone: 978-250-3343 Fax: 978-250-3373
Order On-line at www.hittite.com
POWER DETECTORS - SMT
12
12 - 55
Pin Number Function Description Interface Schematic
15 LOGOUT
Logarithmic output that converts the input power
to a DC level in detector mode. Short this pin to
VSET for detector mode.
16 VSET VSET input in controller mode. Short this
pin to LOGOUT for detector mode.
Package Base GND Exposed paddle must be connected to RF and DC ground.
Pin Descriptions (Continued)
HMC611LP4 / 611LP4E
v04.0309 60 dB, LOGARITHMIC
DETECTOR / CONTROLLER, 1 - 10000 MHz
For price, delivery, and to place orders, please contact Hittite Microwave Corporation:
20 Alpha Road, Chelmsford, MA 01824 Phone: 978-250-3343 Fax: 978-250-3373
Order On-line at www.hittite.com
POWER DETECTORS - SMT
12
12 - 56
Application & Evaluation PCB Schematic
Notes
Note 1: The HMC611LP4 & HMC611LP4E evaluation boards are pre-assembled for single-ended input, and detector/RSSI mode.
Note 2: For detector mode, connect high impedance volt meter to the LOGOUT port, and make no connection to VSET. LOGOUT
is shorted to VSET by R9, as required for detector mode.
Note 3: For controller mode, remove R9 and install 0 ohm resistor (R11), then make appropriate connection to LOGOUT and VSET.
In controller mode, the LOGOUT output can be used to drive a variable gain ampli er, or a variable attenuator, either
directly or through a buffer or microcontroller. VSET should be connected to an external supply, typically between +0.6
and +1.9V.
HMC611LP4 / 611LP4E
v04.0309 60 dB, LOGARITHMIC
DETECTOR / CONTROLLER, 1 - 10000 MHz
For price, delivery, and to place orders, please contact Hittite Microwave Corporation:
20 Alpha Road, Chelmsford, MA 01824 Phone: 978-250-3343 Fax: 978-250-3373
Order On-line at www.hittite.com
POWER DETECTORS - SMT
12
12 - 57
Evaluation PCB
The circuit board used in the  nal application should
use RF circuit design techniques. Signal lines
should have 50 ohm impedance while the package
ground leads and exposed paddle should be con-
nected directly to the ground plane similar to that
shown. A sufficient number of via holes should be
used to connect the top and bottom ground planes.
The evaluation circuit board shown is available from
Hittite upon request.
List of Materials for Evaluation PCB 121493 [1]
HMC611LP4 / 611LP4E
v04.0309 60 dB, LOGARITHMIC
DETECTOR / CONTROLLER, 1 - 10000 MHz
Item Description
J1 - J3 PC Mount SMA Connector
J4 Molex Connector Header
J5 - J9 DC Pin
C1, C2, C3, C5, C7 100 pF Capacitor, 0402 Pkg.
C4, C6, C8 0.1µF Capacitor, 0402 Pkg.
C9 220 pF Capacitor, 0402 Pkg.
R1 68 Resistor, 0402 Pkg.
R2 1k  Resistor, 0402 Pkg.
R3 10k  Resistor, 0402 Pkg.
R4 - R6, R9, R12 0 Resistor, 0402 Pkg.
R13 180 Resistor, 0402 Pkg.
R14 27.4 Resistor, 0402 Pkg.
R15 15 Resistor, 0402 Pkg.
R16 49.9 Resistor, 0402 Pkg.
U1 HMC611LP4 / HMC611LP4E
Logarithmic Detector / Controller
PCB [2] 121490 Evaluation PCB
[1] Reference this number when ordering complete evaluation PCB
[2] Circuit Board Material: Rogers 4350
Mouser Electronics
Authorized Distributor
Click to View Pricing, Inventory, Delivery & Lifecycle Information:
Analog Devices Inc.:
HMC611LP4E HMC611LP4