LT5537_15 Datasheet, PDF (2/16 Pages) Linear Technology – Wide Dynamic Range RF/IF Log Detector

LT5537
ABSOLUTE AXI U RATI GS
(Note 1)
Power Supply Voltage ........................................... 5.5V
Enable Voltage ................................... –0.2V, V_CC + 0.2V
Input Power (Note 2) ......................................... 22dBm
Operating Ambient Temperature Range .. – 40°C to 85°C
Storage Temperature Range ................ – 65°C to 125°C
Maximum Junction Temperature ......................... 125°C
UW U
PACKAGE/ORDER I FOR ATIO
TOP VIEW
ENBL 1
8 OUT
IN⁺ 2
7 V_EE
IN^– 3
9
6 V_CC
CAP⁺ 4
5 CAP^–
DDB PACKAGE
8-LEAD (3mm ´ 2mm) PLASTIC DFN
θ_JA = 76°C/W
EXPOSED PAD (PIN 9) SHOULD BE SOLDERED TO PCB
ORDER PART NUMBER DDB PART MARKING
LT5537EDDB
LBJR
Order Options Tape and Reel: Add #TR
Lead Free: Add #PBF Lead Free Tape and Reel: Add #TRPBF
Lead Free Part Marking: http://www.linear.com/leadfree/
Consult LTC Marketing for parts specified with wider operating temperature ranges.
ELECTRICAL CHARACTERISTICS V_CC = 3V, ENBL = 3V, T_A = 25°C, unless otherwise specified. (Notes 3, 4)
PARAMETER
Signal Input
Input Frequency Range
Maximum Input Power for Monotonic Output
DC Common Mode Voltage
Small-Signal Impedance
f = 10MHz
Linear Dynamic Range
Slope
Intercept
Sensitivity
Temperature Coefficient
f = 50MHz
Linear Dynamic Range
Slope
Intercept
Sensitivity
Temperature Coefficient
CONDITIONS
(Note 5)
50Ω Termination
200MHz
600MHz
1GHz
Measured at 200MHz
±3dB Error
±1dB Error
R1 = 33k (Note 8)
V_OUT = 0V, Extrapolated
(Notes 3, 7)
P_IN = –20dBm
±3dB Error
±1dB Error
R1 = 33k (Note 8)
V_OUT = 0V, Extrapolated
(Notes 3, 7)
P_IN = –20dBm
MIN TYP MAX
10 to 1000
14.0
11.6
9.4
V_CC – 0.4
1.73kΩ //1.45pF
88.8
72.5
19.6
– 97
–76.7
– 0.007
90.6
81.0
20
– 96
–77.2
– 0.005
UNITS
MHz
dBm
dBm
dBm
V
dB
dB
mV/dB
dBm
dBm
dB/°C
dB
dB
mV/dB
dBm
dBm
dB/°C
5537fa
2