LT5534ESC6#PBF Linear Technology, LT5534ESC6#PBF Datasheet

IC, RF POWER DETECTOR, 3GHZ, SC70-6

LT5534ESC6#PBF

Manufacturer Part Number
LT5534ESC6#PBF
Description
IC, RF POWER DETECTOR, 3GHZ, SC70-6
Manufacturer
Linear Technology
Datasheet

Specifications of LT5534ESC6#PBF

Frequency Range
50MHz To 3GHz
Power Range
-58dBm To 2dBm
Supply Current
7mA
Supply Voltage Range
2.7V To 5.25V
Rf Ic Case Style
SC-70
No. Of Pins
6
Rf Type
ACC, CATV, RSSI
Pin Count
6
Screening Level
Industrial
Package Type
SC-70
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Lead Free Status / RoHS Status
Lead free / RoHS Compliant

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APPLICATIONS
TYPICAL APPLICATION
INPUT
FEATURES
n
n
n
n
n
n
n
n
n
n
n
n
RF
RF Frequency Range: 50MHz to 3GHz
Linear Dynamic Range: 60dB
Exceptional Accuracy over Temperature
and Power Supply
Fast Transient Response:
Single 2.7V to 5.25V Supply
Low Supply Current: 7mA
Shutdown Current: 0.1µA
Tiny 6-Lead SC70 Package
RF RSSI and ACC
RF Power Control
CATV Power Detection
Optical Receiver Gain Control
47
38ns Full-Scale Settling Time
ENABLE
1nF
RF
EN
LT5534
DET
50MHz to 3GHz RF Power Detector
DET
0.1µF
DET
100pF
GND
V
CC
DET
3V
DET
DESCRIPTION
with 60dB Dynamic Range
The LT
detector capable of measuring RF signals over a 60dB
dynamic range. The RF signal in a decibel scale is pre-
cisely converted into DC voltage on a linear scale. The
60dB input dynamic range is achieved using cascaded RF
detectors and RF limiters. Their outputs are summed to
generate an accurate log-linear DC voltage proportional
to the input RF signal in dB. The output is buffered with a
low output impedance driver. The LT5534 delivers superior
temperature stability (typical output variation within ±1dB
over the full temperature range). The output responds in
less than 40ns to a large RF input signal.
L, LT, LTC, LTM, Linear Technology and the Linear logo are registered trademarks of Linear
Technology Corporation. All other trademarks are the property of their respective owners.
V
5534 TA01
OUT
®
5534 is a 50MHz to 3GHz monolithic RF power
V
OUT
RF Power Detector
2.4
2.0
1.6
1.2
0.8
0.4
0
–60
50MHz to 3GHz
–50
vs RF Input Power
V
AT 900MHz
CC
RF INPUT POWER (dBm)
Output Voltage
–40
= 3V
–30
–20
LT5534
T
T
T
A
A
A
= 25°C
= 85°C
= –40°C
–10
5534 TA01b
0
3
2
1
0
–1
–2
–3
5534fc
1

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LT5534ESC6#PBF Summary of contents

Page 1

... The output responds in less than 40ns to a large RF input signal. L, LT, LTC, LTM, Linear Technology and the Linear logo are registered trademarks of Linear Technology Corporation. All other trademarks are the property of their respective owners. 3V ...

Page 2

... Lead Temperature (Soldering, 10 sec) .................. 300°C ORDER INFORMATION LEAD FREE FINISH TAPE AND REEL LT5534ESC6#PBF LT5534ESC6#TRPBF Consult LTC Marketing for parts specified with wider operating temperature ranges. Consult LTC Marketing for information on non-standard lead based finish parts. For more information on lead free part marking, go to: ...

Page 3

ELECTRICAL CHARACTERISTICS noted. Test circuit shown in Figure 1. (Note 2) PARAMETER Output Slope Output Variation vs Temperature Output Interface Output DC Voltage Output Impedance Output Bandwidth Full-Scale Setting Time Sinking/Sourcing 25°C, ...

Page 4

LT5534 TYPICAL PERFORMANCE CHARACTERISTICS V Variation vs RF Input Power OUT 50MHz CC NORMALIZED AT 25° –40° –1 –2 –3 –60 –50 –40 RF INPUT POWER (dBm) ...

Page 5

TYPICAL PERFORMANCE CHARACTERISTICS V Variation vs RF Input Power OUT 2.5GHz CC NORMALIZED AT 25° –40° 85°C –1 A –2 –3 –60 –50 –40 –30 –20 –10 ...

Page 6

LT5534 PIN FUNCTIONS EN (Pin 1): Enable. When the input voltage is higher than 0.9V, the circuit is completely turned on. When the input voltage is less than 0.6V, the circuit is turned off. GND (Pins 2, 5): Ground. V ...

Page 7

TEST CIRCUIT Figure 2. Component Side Silkscreen of Evaluation Board APPLICATIONS INFORMATION The LT5534 is a logarithmic-based detector, capable of measuring an RF signal over the frequency range from 50MHz to 3GHz. The 60dB linear dynamic range is achieved with ...

Page 8

... Output Interface The output interface of the LT5534 is shown in Figure 4. The output currents from the RF detectors are summed and converted into an output voltage, V charging current available to the output load is about 200µA. The internal compensation capacitor C to guarantee stable operation for a large capacitive output load. The slew rate is 133V/µ ...

Page 9

... Corrected part numbers in Order Information 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 representa- tion that the interconnection of its circuits as described herein will not infringe on existing patent rights. LT5534 ...

Page 10

... INDEX AREA (NOTE 6) PIN 1 0.15 – 0.30 6 PLCS (NOTE 3) 0.00 – 0.10 REF SC6 SC70 1205 REV B Offset Control, Adjustable Gain and Offset OUT LT 1210 REV C • PRINTED IN USA  LINEAR TECHNOLOGY CORPORA TION 2004 5534fc ...

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