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LTC5564IUD#PBF

P1-P3P4-P6P7-P9P10-P12P13-P15P16-P16
LTC5564
1
5564fc
For more information www.linear.com/LTC5564
TYPICAL APPLICATION
FEATURES DESCRIPTION
UltraFast™ 7ns Response
Time 15GHz RF Power
Detector with Comparator
The LT C
®
5564 is a precision, RF power detector for ap-
plications in the 600MHz to 15GHz frequency range. The
LTC5564
operates with input power levels from –24dBm
to 16dBm.
A temperature compensated Schottky diode peak detector,
gain-selectable operational amplifier, and fast comparator
are combined in a small 16-lead 3mm × 3mm QFN package.
The RF input signal is peak detected and then sensed by
both a comparator and amplifier. The comparator provides
a 9ns response time to input levels exceeding V
REF
along
with a latch enable/disable function. The gain selectable
operational amplifier provides a 350V/µs slew rate and
75MHz of demodulation bandwidth to the analog output.
V
OUTADJ
and V
REF
pins allow for the adjustment of V
OUT
offset and V
COMP
switch point voltages, respectively.
L, LT , LT C , LT M, Linear Technology and the Linear logo are registered trademarks and
UltraFast is a trademark of Linear Technology Corporation. All other trademarks are the property
of their respective owners.
†
Higher frequency operation is achievable with reduced performance. Consult the factory for
more information.
APPLICATIONS
n
Temperature Compensated Schottky RF Peak Detector
n
Wide Input Frequency Range: 600MHz to 15GHz
†
n
Wide Input Power Range: –24dBm to 16dBm
n
7ns Typical Response Time
n
75MHz Demodulation Bandwidth
n
Programmable Gain Settings for Improved Sensitivity
n
Adjustable Amplifier Output Offset Voltage
n
High Speed Comparator with Latch Enable:
9ns Typical Response Time
n
16-Lead 3mm × 3mm QFN Package
n
Temperature Range: –40°C to 125°C
n
RF Signal Presence Detectors for: 802.11a, 802.11b,
802.11g, 802.15, Optical Data Links, Wireless Data
Modems, Wireless and Cable Infrastructure
n
5.8GHz ISM Band Radios
n
MMDS Microwave Links
n
PA Power Supply Envelope Tracking Control
n
Fast Alarm
n
Envelope Detector
n
Ultra-Wideband Radio
n
Radar Detector
V
OUT
vs Input Power 2.7GHz
RFIN POWER (dBm)
–24
0
V
OUT
OUTPUT VOLTAGE (mV)
800
600
1400
1800
3400
3200
2600
–16 –12
–4
0
3000
2200
400
200
1200
1000
1600
2400
2800
2000
–20 –8
4
8
12
16
5564 TA01b
V
CC
= 5V
T
A
= 25°C
GAIN8
GAIN4
GAIN2
GAIN1
V
COMP
V
OUT
NC
17
2.2pF
15GHz
RFIN
1000pF
10pF 100pF
10pF
100pF
G1
G0
5564 F05
68Ω
1000pF
0.5pF
V
CC
V
REF
V
CC
1
2
3
4
16 15 14 13
12
11
10
9
8765
10k
10k 10k
RFIN
NC
GND
GND
V
CCA
V
CCP
V
OUT
NC
V
CCRF
LTC5564
V
REF
V
COMP
LEN
LEN
V
OUTADJ
V
OUTADJ
G0 G1
Demo Board Schematic Optimized for 15GHz
LTC5564
2
5564fc
For more information www.linear.com/LTC5564
PIN CONFIGURATIONABSOLUTE MAXIMUM RATINGS
Supply Voltages
V
CCRF
= V
CCA
= V
CCP
............................................ 5.8V
RFIN Voltage for V
CCRF
≤ 5.5V ....................(V
CCRF
± 2V)
RFIN Power ......................................................... 16dBm
I
COMP
, I
VOUT
......................................................... ±10mA
V
OUTADJ
, V
REF
, V
COMP
, V
OUT
, G0, G1, LEN ...–0.3V to V
CC
Operating Temperature Range (T
C
) (Note 2)
I-Grade............................................... –40°C to 105°C
H-Grade ............................................. –40°C to 125°C
Max Junction Temperature .................................. 150°C
Storage Temperature Range .................. –65°C to 150°C
(Note 1)
16 15 14 13
5 6 7 8
TOP VIEW
17
GND
UD PACKAGE
16-LEAD (3mm × 3mm) PLASTIC QFN
9
10
11
12
4
3
2
1RFIN
NC
GND
GND
V
CCA
V
CCP
V
OUT
NC
NC
V
CCRF
V
REF
V
COMP
LEN
V
OUTADJ
G0
G1
T
JMAX
= 150°C, θ
JA
= 68°C/W, θ
JC
= 7.5°C/W
EXPOSED PAD (PIN 17) IS GND, MUST BE SOLDERED TO PCB
ORDER INFORMATION
LEAD FREE FINISH TAPE AND REEL PART MARKING PACKAGE DESCRIPTION TEMPERATURE RANGE
LTC5564IUD#PBF LTC5564IUD#TRPBF LFRF 16-Lead (3mm × 3mm) Plastic QFN –40°C to 105°C
LTC5564HUD#PBF LTC5564HUD#TRPBF LFRF 16-Lead (3mm × 3mm) Plastic QFN –40°C to 125°C
Consult LT C Marketing for parts specified with wider operating temperature ranges.
Consult LT C Marketing for information on non-standard lead based finish parts.
For more information on lead free part marking, go to:
http://www.linear.com/leadfree/
For more information on tape and reel specifications, go to: http://www.linear.com/tapeandreel/
ELECTRICAL CHARACTERISTICS
The l denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at T
A
= 25°C. Supply voltage = V
CCRF
= V
CCA
= V
CCP
= 5V, GAIN1, C
LOAD
= 10pF,
no RF input signal, unless otherwise noted.
PARAMETER CONDITIONS MIN TYP MAX UNITS
Supply Voltage I-Grade, –40°C to 105°C Operation
l
3.0 5.5 V
H-Grade, –40°C to 125°C Operation
l
3.1 5.5 V
Supply Current 44 mA
Amplifier Characteristics
V
OUT
Output Offset Supply Voltage = 5V, No RFIN
GAIN1
GAIN2
GAIN4
GAIN8
l
l
195
195
290
295
315
360
395
395
mV
mV
mV
mV
Supply V
oltage = 3.3V, No RFIN
GAIN1
GAIN2
GAIN4
GAIN8
l
l
185
185
280
280
290
315
385
385
mV
mV
mV
mV
LTC5564
3
5564fc
For more information www.linear.com/LTC5564
ELECTRICAL CHARACTERISTICS
Note 1: Stresses beyond those listed under Absolute Maximum Ratings
may cause permanent damage to the device. Exposure to any Absolute
Maximum Rating condition for extended periods may affect device
reliability and lifetime.
Note 2: The LTC5564IUD is guaranteed to meet specified performance
from –40°C to 105°C case temperature range (θ
JC
= 7.5°C/W). The
The l denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at T
A
= 25°C. Supply voltage = V
CCRF
= V
CCA
= V
CCP
= 5V, GAIN1, C
LOAD
= 10pF,
no RF input signal, unless otherwise noted.
PARAMETER CONDITIONS MIN TYP MAX UNITS
V
OUT
Slew Rate Rise/Fall Supply Voltage = 5V, V
OUT
10% to 90%, ∆V
OUT
= 1.1V (Note 3)
GAIN1, Pin = 10dBm to 16dBm
GAIN2, Pin = 4dBm
GAIN4, Pin = –2dBm
GAIN8, Pin = –8dBm
350/70
185/70
120/70
50/50
V/µs
V/µs
V/µs
V/µs
Supply Voltage = 3.3V, V
OUT
10% to 90%, ∆V
OUT
= 1.1V (Note 3)
GAIN1, Pin = 10dBm to 16dBm
GAIN2, Pin = 4dBm
GAIN4, Pin = –2dBm
GAIN8, Pin = –8dBm
325/70
185/70
120/70
50/50
V/µs
V/µs
V/µs
V/µs
Demodulation Bandwidth (Notes 4, 5)
GAIN1, V
OUT
= 500mV
GAIN2, V
OUT
= 500mV
GAIN4, V
OUT
= 500mV
GAIN8, V
OUT
= 500mV
75
52
35
15
MHz
MHz
MHz
MHz
V
OUTADJ
Input Range GAIN1 ∆V
OUT
= ±100mV (Note 5) 0/225 mV
V
OUT
Load Capacitance (Note 5) 10 pF
V
OUT
Output Current Sourcing, R
L
= 2k 1.7 mA
V
OUT
Response Time Supply Voltage = 5V, RFIN Step to 50% V
OUT
(Note 3)
GAIN1, Pin = 10dBm to 16dBm
GAIN2, Pin = 4dBm
GAIN4, Pin = –2dBm
GAIN8, Pin = –8dBm
7.0
9.0
11.0
14.0
ns
ns
ns
ns
Supply Voltage = 3.3V, RFIN Step to 50% V
OUT
(Note 3)
GAIN1, Pin = 10dBm to 16dBm
GAIN2, Pin = 4dBm
GAIN4, Pin = –2dBm
GAIN8, Pin = –8dBm
7.1
9.0
11.0
14.0
ns
ns
ns
ns
V
OUT
Output Voltage Swing Supply Voltage = 3V 1.4 V
Comparator Characteristics
Comparator Response Time 10dBm to 16dBm RFIN Step to V
COMP
50% (Note 3) 9 ns
Comparator Hysteresis 10 mV
I
VREF
Input Current –2.3 µA
RF Characteristics
RFIN Frequency Range (Note 6) 0.6 to 15 GHz
RFIN AC Input Resistance Frequency = 1000MHz, Power Level = 0dBm 135 Ω
RFIN Input Shunt Capacitance Frequency = 1000MHz, Power Level = 0dBm 0.77 pF
RFIN Input Power Range (Note 6) –24 to 16 dBm
Digital I/O
LEN V
IL
/V
IH
0.8 V
CCA
– 0.8 V
G0 V
IL
/V
IH
0.8 V
CCA
– 0.8 V
G1 V
IL
/V
IH
0.8 V
CCA
– 0.8 V
LTC5564HUD is guaranteed to meet specified performance from –40°C to
125°C case temperature.
Note 3: RFIN step from no power to stated level.
Note 4: See typical curve for bandwidth vs output voltage.
Note 5: See Applications Information section.
Note 6: Specification is guaranteed by design and not 100% tested in
production.
P1-P3P4-P6P7-P9P10-P12P13-P15P16-P16

LTC5564IUD#PBF

Mfr. #:
Buy LTC5564IUD#PBF
Manufacturer:
Analog Devices Inc.
Description:
RF Detector LTC5564 Ultrafast 7ns Response Time 15GHz Peak Detector with Comparator
Lifecycle:
New from this manufacturer.
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