LTC5507 Linear Technology, LTC5507 Datasheet

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LTC5507

Manufacturer Part Number
LTC5507
Description
100kHz to 1GHz RF Power Detector
Manufacturer
Linear Technology
Datasheet

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FEATURES
APPLICATIO S
TYPICAL APPLICATIO
Temperature Compensated Internal Schottky
Diode RF Detector
Wide Input Power Range: –34dBm to 14dBm
Ultra Wide Input Frequency Range: 100kHz to
1000MHz
Buffered Output
Wide V
Low Operating Current: 550 A
Low Shutdown Current: <2 A
Low Profile (1mm) ThinSOT
Wireless Transceivers
Wireless and Cable Infrastructure
RF Power Alarm
Envelope Detector
2.7V TO 6V
Figure 1. 100kHz to 1000MHz RF Power Detector
V
BAT
CC
INPUT
Range of 2.7V to 6V
RF
C2
C1
U
4
5
6
V
PCAP
RF
CC
IN
LTC5507
SHDN
TM
V
5507 TA01
GND
OUT
Package
U
3
2
1
V
DETECTED
VOLTAGE
DISABLE ENABLE
OUT
DESCRIPTIO
The LTC
operating from 100kHz to 1000MHz. The input frequency
range is determined by an external capacitor. A tempera-
ture-compensated Schottky diode peak detector and buffer
amplifier are combined in a small 6-pin ThinSOT package.
The RF input voltage is peak detected using an on-chip
Schottky diode and external capacitor. The detected volt-
age is buffered and supplied to the V
saving shutdown mode reduces supply current to less
than 2 A.
ThinSOT is a trademark of Linear Technology Corporation
, LTC and LT are registered trademarks of Linear Technology Corporation.
®
5507 is an RF power detector for applications
10000
1000
100
–34
at 100kHz, 100MHz and 1000MHz
Typical Detector Characteristics
T
V
RF Power Detector
A
CC
= 25 C
= 2.7V TO 6V
–26
U
100kHz, 100MHz
RF INPUT POWER (dBm)
100kHz to 1GHz
–18
–10
1000MHz
–2
OUT
LTC5507
6
5507 TA01b
pin. A power
14
1
5507f

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LTC5507 Summary of contents

Page 1

... LTC and LT are registered trademarks of Linear Technology Corporation. ThinSOT is a trademark of Linear Technology Corporation U V OUT 3 DETECTED V OUT VOLTAGE 2 GND 1 DISABLE ENABLE 5507 TA01 LTC5507 100kHz to 1GHz RF Power Detector U ® 5507 power detector for applications OUT Typical Detector Characteristics at 100kHz, 100MHz and 1000MHz 10000 2. ...

Page 2

... 2. SHDN = 3.6V (Note 10MHz, RF Input = –10dBm F = 1000MHz, RF Input = –10dBm Note 3: RF performance is tested at: 80MHz, –4dBm Note 4: Guaranteed by design ORDER PART NUMBER TOP VIEW LTC5507ES6 PCAP PART S6 PACKAGE MARKING = 125 C, = 250 C/W LTZX JA MIN TYP MAX 2 ...

Page 3

... C2 = 33pF 0. 0.01 –10 – 5507 G03 Slew Rate vs C2 10000 1000 3300 33000 330000 5507 G05 LTC5507 LTC5507 Typical Detector Characteristics, 100MHz 1000pF C2 = 1000pF T = – 100 –34 –28 –22 –16 –10 –4 ...

Page 4

... LTC5507 www.DataSheet4U.com CTIO S SHDN (Pin 1): Shutdown Input. A logic low or no-connect on the SHDN pin places the part in shutdown mode. A logic high enables the part. SHDN has an internal 150k pull down resistor to ensure that the part is in shutdown when the enable driver tri-state condition. ...

Page 5

... The LTC5507 can be used as a self-standing signal strength measuring receiver for a wide range of input signals from –34dBm to 14dBm for frequencies up to 1000MHz. The LTC5507 can be used as a demodulator for AM and ASK modulated signals with data rates up to 1.5MHz. when coming out of shut- ...

Page 6

... R3 IS USED FOR DEMO PURPOSES ONLY, AND IS NOT USED IN ACTUAL PRODUCT IMPLEMENTATION. R4 CAN BE USED FOR INPUT POWER LIMITING OR BROADBAND IMPEDANCE MATCHING. C3 AND C4 ARE OPTIONAL POWER SUPPLY FILTERS R3* 22k E4 V SHDN CC LTC5507 1 6 SHDN RF IN JP1 2 5 GND PCAP SHDN ...

Page 7

... U S6 Package 6-Lead Plastic TSOT-23 (Reference LTC DWG # 05-08-1636) 1.22 REF 1.50 – 1.75 2.80 BSC 1.4 MIN (NOTE 4) 0.95 BSC 0.80 – 0.90 1.00 MAX 0.09 – 0.20 (NOTE 3) LTC5507 2.90 BSC (NOTE 4) PIN ONE ID 0.30 – 0.45 6 PLCS (NOTE 3) 0.01 – 0.10 1.90 BSC S6 TSOT-23 0302 5507f 7 ...

Page 8

... LTC5507 www.DataSheet4U.com RELATED PARTS PART NUMBER DESCRIPTION RF Power Controllers LTC1757A RF Power Controller LTC1758 RF Power Controller LTC1957 RF Power Controller LTC4400 ThinSOT RF PA Controller LTC4401 ThinSOT RF PA Controller LTC4403 Multiband RF Power Controllers for EDGE/TDMA LT5504 800MHz to 2.7GHz RF Measuring Receivers LTC5505 300MHz to 3.5GHz RF Power Detector ...

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