LTC5533EDE Linear Technology, LTC5533EDE Datasheet

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LTC5533EDE

Manufacturer Part Number
LTC5533EDE
Description
IC,Microwave/Millimeter Wave Amplifier,DUAL,CMOS,LLCC,12PIN,PLASTIC
Manufacturer
Linear Technology
Datasheet

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APPLICATIO S
FEATURES
TYPICAL APPLICATIO
0.1µF
V
CC
Two Independent Temperature Compensated
Schottky Diode RF Peak Detectors
45dB Channel-to-Channel Isolation at 2GHz
Wide Input Frequency Range: 300MHz to 11GHz*
Wide Input Power Range: –32dBm to 12dBm
Buffered Detector Outputs with Gain of 2x
Adjustable V
Wide V
Low Operating Current: <500µA/Channel
Low Shutdown Current: <2µA/Channel
4mm × 3mm DFN Package
PA Forward and Reverse Power Monitor
Dual PA Transmit Power Control
802.11a, b, g, 802.15, WiMAX
PA Linearization
Fixed Wireless Access
RF Power Alarm
Envelope Detector
CC
300MHz to 11GHz RF Power Detectors
Range of 2.7V to 6V
100pF
100pF
V
V
OUT
OS1
OS2
U
Starting Voltage
(EXPOSED PAD)
V
V
V
V
V
V
CC1
OUT1
OS1
CC2
OUT2
OS2
LTC5533
SHDN1
SHDN2
GND1
GND2
RF
RF
IN1
IN2
U
39pF
39pF
5533 TA01
RF1 INPUT
RF2 INPUT
DISABLE ENABLE
300MHz to 11GHz Precision
DESCRIPTIO
The LTC
applications operating in the 300MHz to 11GHz range.
Two independent temperature compensated Schottky di-
ode peak detectors and buffer amplifiers are combined in
a small 4mm × 3mm DFN package.
The RF input voltage is peak detected using on-chip
Schottky diodes. The detected voltage is buffered and
supplied to the V
reduces current to less than 2µA/channel. The initial
output starting voltages can be precisely adjusted using
the V
The LTC5533 operates with input power levels from
*Higher frequency operation is achievable with reduced performance. Consult factory for more
information.
All other trademarks are the property of their respective owners.
–32dBm to 12dBm.
, LTC and LT are registered trademarks of Linear Technology Corporation.
OS
Dual RF Power Detector
®
pins.
5533 is a dual channel RF power detector for RF
3600
3200
2800
2400
2000
1600
1200
800
400
0
–28
OUT
Output Voltage vs RF Input Power
V
V
T
A
CC
OS
–24 –20 –16 –12 –8
= 25°C
= 3.6V
= 0V
U
pins. A power saving shutdown mode
RF INPUT POWER (dBm)
8GHz
6GHz
500MHz
5GHz
–4
1GHz
4GHz
0
9GHz
LTC5533
4
10GHz
5533 TA02
11GHz
8
12
1
5533f

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LTC5533EDE Summary of contents

Page 1

... OS The LTC5533 operates with input power levels from –32dBm to 12dBm. , LTC and LT are registered trademarks of Linear Technology Corporation. All other trademarks are the property of their respective owners. *Higher frequency operation is achievable with reduced performance. Consult factory for more information. 3600 ...

Page 2

... Note 3: The rise time at V Note 4: Bandwidth is calculated based on the 10% to 90% rise time equation 0.35/rise time. Note 5: RF performance is production tested at 1800MHz Note 6: Guaranteed by design ORDER PART TOP VIEW NUMBER 12 RF IN1 11 GND1 LTC5533EDE 10 SHDN1 IN2 8 GND2 DFN PART 7 SHDN2 MARKING DE12 PACKAGE 5533 = 125° ...

Page 3

W U TYPICAL PERFOR A CE CHARACTERISTICS Output Starting Voltage vs Supply Voltage (RF Input Signal Off 0V) OS 140 135 T = 85° 25°C A 130 T = –40°C A 125 120 2.5 3 ...

Page 4

LTC5533 W U TYPICAL PERFOR A CE CHARACTERISTICS V Slope vs RF Input Power OUT at 300MHz 1000 100 T = –40° 85° 25°C A ...

Page 5

W U TYPICAL PERFOR A CE CHARACTERISTICS V Variation Relative to 25°C OUT vs RF Input Power at 3GHz 3. –40° – 85°C A ...

Page 6

LTC5533 W U TYPICAL PERFOR A CE CHARACTERISTICS RF Input Impedance (Pin = 0dBm FREQUENCY RESISTANCE (GHz) (Ω) 0.30 290.45 0.50 234.41 0.70 178.25 0.90 137.31 1.10 109.17 1.30 86.30 1.50 68.65 1.70 57.48 1.90 49.79 2.10 ...

Page 7

W U TYPICAL PERFOR A CE CHARACTERISTICS RF Input Impedance (Pin = –25dBm FREQUENCY RESISTANCE (GHz) (Ω) 0.30 216.45 0.50 190.63 0.70 161.98 0.90 133.17 1.10 113.08 1.30 94.55 1.50 75.33 1.70 63.52 1.90 55.19 2.10 48.64 2.30 ...

Page 8

LTC5533 CTIO (Pins 1, 4): Power Supply Voltage, 2.7V to 6V. CC1 CC2 V should be bypassed appropriately with ceramic CC capacitors (Pins 2, 5): Detector Outputs. OUT1 ...

Page 9

U U APPLICATIO S I FOR ATIO Operation The LTC5533 contains two RF detector dice in one pack- age forming two independent RF detector channels. Each channel provides RF power detection over frequencies ranging from 300MHz to 11GHz. Channel functions ...

Page 10

LTC5533 U U APPLICATIO S I FOR ATIO 3600 3200 OS 2800 2400 2000 1600 T A 1200 T = 25°C A 800 400 0 –32 –28 –24 –20 –16 –12 –8 –4 ...

Page 11

... SHADED AREA IS ONLY A REFERENCE FOR PIN 1 LOCATION ON THE TOP AND BOTTOM OF PACKAGE Information furnished by Linear Technology Corporation is believed to be accurate and reliable. However, no responsibility is assumed for its use. Linear Technology Corporation makes no represen- tation that the interconnection of its circuits as described herein will not infringe on existing patent rights Package 12-Lead Plastic DFN (4mm × ...

Page 12

... CC Offset Control, Shutdown and Adjustable Gain OUT Offset Control, Shutdown and Adjustable Offset OUT Offset Control, Adjustable Gain and Offset OUT Offset Control, Adjustable Gain and Offset OUT LT/TP 0105 1K • PRINTED IN USA © LINEAR TECHNOLOGY CORPORATION 2005 5533f ...

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