LTC5535ES6 LINER [Linear Technology], LTC5535ES6 Datasheet

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LTC5535ES6

Manufacturer Part Number
LTC5535ES6
Description
Precision 600MHz to 7GHz, RF Detector with Adjustable Gain and 12MHz Baseband Bandwidth
Manufacturer
LINER [Linear Technology]
Datasheet

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Part Number:
LTC5535ES6
Manufacturer:
LT
Quantity:
10 000
FEATURES
TYPICAL APPLICATIO
APPLICATIO S
Temperature Compensated Internal Schottky
Diode RF Detector
Wide Input Frequency Range: 600MHz to 7GHz*
Wide Input Power Range: –32dBm to 10dBm
External Gain Control
Precision V
Low Starting Voltage: 200mV for Gain = 2
Wide V
Low Operating Current: 2mA
Available in a Low Profile (1mm) SOT-23 Package
802.11a, 802.11b, 802.11g, 802.15, 802.16
Multimode Mobile Phone Products
Optical Data Links
Wireless Data Modems
Wireless and Cable Infrastructure
RF Power Alarm
Envelope Detector
REFERENCE
INPUT
CC
RF
600MHz to 7GHz RF Power Detector
Range of 2.7V to 5.5V
V
33pF
OS
OUT
1
2
3
Offset Control
U
RF
GND
V
OS
LTC5535
IN
V
5535 TA01
V
OUT
V
CC
M
6
5
4
R
R
U
A
B
100pF
0.1µF
V
CC
12MHz Baseband Bandwidth
DESCRIPTIO
The LTC
operating in the 600MHz to 7GHz range. A temperature
compensated Schottky diode peak detector and output
amplifier are combined in a small ThinSOT
supply voltage range is optimized for operation from a
single cell lithium-ion or three cell NiMH battery.
The RF input voltage is peak detected using an on-chip
Schottky diode. The detected voltage is buffered and
supplied to the V
The LTC5535 output amplifier gain is set via external
resistors. The initial starting voltage of 200mV can be
precisely adjusted using the V
The LTC5535 operates with input power levels from
much higher than that of previous Schottky detector
products.
ThinSOT is a trademark of Linear Technology Corporation.
*Higher frequency operation is achievable with reduced performance. Consult factory for more
information.
–32dBm to 10dBm. The 12MHz baseband bandwidth is
Precision 600MHz to 7GHz,
, LTC and LT are registered trademarks of Linear Technology Corporation.
®
5535 is an RF power detector for RF applications
3600
3200
2800
2400
2000
1600
1200
Adjustable Gain and
800
400
0
–32
Output Voltage vs RF Input Power
V
T
GAIN = 2
V
OUT
A
CC
OS
–28 –24
= 25°C
= 3.6V
U
= 0V
pin.
RF Detector with
RF INPUT POWER (dBm)
–20 –16
–12
OS
–8
pin.
6GHz
600MHz
5GHz
–4
1GHz
0
2GHz
LTC5535
4
7GHz
4GHz
TM
5535 TA02
8 12
package. The
1
5535f

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LTC5535ES6 Summary of contents

Page 1

FEATURES ■ Temperature Compensated Internal Schottky Diode RF Detector ■ Wide Input Frequency Range: 600MHz to 7GHz* ■ Wide Input Power Range: –32dBm to 10dBm ■ External Gain Control ■ Precision V Offset Control OUT ■ Low Starting Voltage: 200mV ...

Page 2

... CC Note 3: The rise time at V Note 4: See Table 1 in Applications Information section. Note 5: RF performance is tested at 1800MHz Note 6: Guaranteed by design ORDER PART NUMBER TOP VIEW LTC5535ES6 OUT PART S6 PACKAGE MARKING = 125°C, θ = 250°C/W ...

Page 3

W U TYPICAL PERFOR A CE CHARACTERISTICS Output Voltage vs Supply Voltage 220 GAIN = INPUT SIGNAL OFF 215 210 T = 85°C A 205 T = 25°C A 200 T = –40°C A ...

Page 4

LTC5535 W U TYPICAL PERFOR A CE CHARACTERISTICS Typical Detector Characteristics, 7000MHz, Gain = 2, V 3600 V = 3.6V CC 3200 2800 2400 2000 T 1600 1200 800 400 0 –32 –20 –16 –12 –8 –28 –24 RF INPUT ...

Page 5

W U TYPICAL PERFOR A CE CHARACTERISTICS V Slope vs RF Input Power OUT at 600MHz 1000 V = 3.6V CC GAIN = 100 T = –40° 25° ...

Page 6

LTC5535 W U TYPICAL PERFOR A CE CHARACTERISTICS RF Input Impedance (Pin = –25 dBm 3.6V FREQUENCY RESISTANCE GHz (Ω) 0.600 156.68 0.728 135.50 0.856 118.45 0.984 104.52 1.112 92.64 1.240 83.35 1.368 75.36 1.496 ...

Page 7

W U TYPICAL PERFOR A CE CHARACTERISTICS RF Input Impedance (Pin = 0dBm 3.6V FREQUENCY RESISTANCE (GHz) (Ω) 0.600 176.00 0.728 148.00 0.856 125.00 0.984 108.00 1.112 94.80 1.240 83.20 1.368 74.60 1.496 67.50 1.624 ...

Page 8

LTC5535 CTIO S RF (Pin 1): RF Input Voltage. Referenced coupling capacitor must be used to connect to the RF signal source. The frequency range is 600MHz to 7GHz. This pin has ...

Page 9

... The detector demonstrates excellent efficiency and linearity over a wide range of input power. The Schottky diode is biased at about 50µA and drives a /( 5pF internal peak detector capacitor. should be M Demo Board Schematic C4 LTC5535ES6 39pF 100pF ...

Page 10

LTC5535 U U APPLICATIO S I FOR ATIO Applications The LTC5535 can be used as a self-standing signal strength measuring receiver for a wide range of input signals from –32dBm to 10dBm for frequencies from 600MHz to 7GHz. The LTC5535 ...

Page 11

PACKAGE DESCRIPTIO 0.62 0.95 MAX REF 3.85 MAX 2.62 REF RECOMMENDED SOLDER PAD LAYOUT PER IPC CALCULATOR 0.20 BSC DATUM ‘A’ 0.30 – 0.50 REF NOTE: 1. DIMENSIONS ARE IN MILLIMETERS 2. DRAWING NOT TO SCALE 3. DIMENSIONS ARE INCLUSIVE ...

Page 12

LTC5535 RELATED PARTS PART NUMBER DESCRIPTION Infrastructure ® LT 5511 High Linearity Upconverting Mixer LT5512 DC-3GHz High Signal Level Downconverting Mixer LT5514 Ultralow Distortion IF Amplifier/ADC Driver LT5515 1.5GHz to 2.5GHz Direct Conversion Quadrature Demodulator LT5516 0.8GHz to 1.5GHz Direct ...

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