LT5581IDDB-PBF LINER [Linear Technology], LT5581IDDB-PBF Datasheet - Page 2

• Manufacturer Part Number: LT5581IDDB-PBF
• Description: 6GHz RMS Power Detector with 40dB Dynamic Range
• Manufacturer: LINER [Linear Technology]

ABSOLUTE MAXIMUM RATINGS
LT5581
(Note 1)
Supply Voltage .........................................................5.5V
Maximum Input Signal Power—Average .............15dBm
Maximum Input Signal Power—Peak (Note 7) ....25dBm
DC Voltage at RF
V
Maximum Junction Temperature, T
Operating Temperature Range.................. –40°C to 85°C
Storage Temperature Range ................... –65°C to 150°C
CAUTION: This part is sensitive to electrostatic discharge. It
is very important that proper ESD precautions be observed
when handling the LT5581.
ORDER INFORMATION
LEAD FREE FINISH
LT5581IDDB#PBF
Consult LTC Marketing for parts specifi ed with wider operating temperature ranges.
Consult LTC Marketing for information on non-standard lead based fi nish parts.
For more information on lead free part marking, go to:
For more information on tape and reel specifi cations, go to:
ELECTRICAL CHARACTERISTICS
range, otherwise specifi cations are at T
2
PARAMETER
AC Input
Input Frequency Range (Note 4)
Input Impedance
f
RF Input Power Range
Linear Dynamic Range, CW (Note 3)
Linear Dynamic Range, CDMA (Note 3)
Output Slope
Logarithmic Intercept (Note 5)
Output Variation vs Temperature
Output Variation vs Temperature
Deviation from CW Response;
P
RF
IN
OUT
= 450MHz
= –34dBm to 0dBm
Voltage ....................................–0.3V to V
IN
....................................... –0.3V to 2V
TAPE AND REEL
LT5581IDDB#TRPBF
A
= 25°C, V
JMAX
............... 150°C
CONDITIONS
Externally Matched to 50Ω Source
±1dB Linearity Error
±1dB Linearity Error; CDMA 4-Carrier
Normalized to Output at 25˚C, –40°C < T
P
Normalized to Output at 25°C, –40°C < T
P
TETRA π/4 DQPSK
CDMA 4-Carrier 64-Channel Fwd 1.23Mcps
http://www.linear.com/leadfree/
IN
IN
PART MARKING
LDKM
CC
= –34 to +6dBm
= –27 to –10dBm
http://www.linear.com/tapeandreel/
= 3.3V, EN = 3.3V, unless otherwise noted (Note 2). Test circuit is shown in Figure 1.
CC
+ 0.3V
The
l
denotes the specifi cations which apply over the full operating temperature
PIN CONFIGURATION
PACKAGE DESCRIPTION
8-Lead (3mm × 2mm) Plastic DFN
EXPOSED PAD (PIN 9) IS GND, MUST BE SOLDERED TO PCB
A
A
< 85°C;
< 85°C;
8-LEAD (3mm 2mm) PLASTIC DFN
V
GND
T
V
OUT
JMAX
EN
CC
= 150°C, θ
1
2
3
4
DDB PACKAGE
TOP VIEW
9
MIN
JA
= 76°C/W
8
7
6
5
10-6000
–34 to 6
C
RF
GND
GND
205||1.6
SQ
±0.5
±0.1
±0.5
TYP
IN
TEMPERATURE RANGE
–40°C to 85°C
–42
40
40
31
±1
MAX
mV/dB
UNITS
Ω||pF
5581f
MHz
dBm
dBm
dB
dB
dB
dB
dB
dB