LT5519 Просмотр технического описания (PDF) - Linear Technology
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LT5519 Datasheet PDF : 12 Pages
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LT5519
ABSOLUTE AXI U RATI GS
(Note 1)
Supply Voltage ....................................................... 5.5V
Enable Voltage ............................. –0.3V to (VCC + 0.3V)
LO Input Power (Differential) ............................ +10dBm
LO+ to LO– Differential DC Voltage .......................... ±1V
LO+ and LO– DC Common Mode Voltage ...... –1V to VCC
IF Input Power (Differential) ............................. +10dBm
IF+ and IF– DC Currents ........................................ 25mA
RF+ to RF– Differential DC Voltage ...................... ±0.13V
RF+ and RF– DC Common Mode Voltage ...... –1V to VCC
Operating Temperature Range .................–40°C to 85°C
Storage Temperature Range ................. – 65°C to 125°C
Junction Temperature (TJ).................................... 125°C
UW U
PACKAGE/ORDER I FOR ATIO
TOP VIEW
16 15 14 13
GND 1
12 GND
IF+ 2
11 RF+
IF – 3
17
10 RF –
GND 4
9 GND
5678
ORDER PART
NUMBER
LT5519EUF
UF PART
MARKING
UF PACKAGE
16-LEAD (4mm × 4mm) PLASTIC QFN
TJMAX = 125°C, θJA = 37°C/W
EXPOSED PAD (PIN 17) IS GND
MUST BE SOLDERED TO PCB
5519
Consult LTC Marketing for parts specified with wider operating temperature ranges.
ELECTRICAL CHARACTERISTICS
PARAMETER
IF Input Frequency Range
LO Input Frequency Range
RF Output Frequency Range
CONDITIONS
MIN TYP MAX
1 to 400
300 to 1800
700 to 1400
UNITS
MHz
MHz
MHz
1GHz Application: VCC = 5VDC, EN = High, TA = 25°C, IF input = 140MHz at –10dBm, LO input = 1.14GHz at –5dBm, RF output measured
at 1GHz, unless otherwise noted. (Test circuit shown in Figure 2) (Notes 2, 3)
PARAMETER
CONDITIONS
MIN TYP MAX UNITS
IF Input Return Loss
ZO = 50Ω, with External Matching
20
dB
LO Input Return Loss
RF Output Return Loss
LO Input Power
ZO = 50Ω
ZO = 50Ω
17
dB
20
dB
–10 to 0
dBm
Conversion Gain
–0.6
dB
Input 3rd Order Intercept
–10dBm/Tone, ∆f = 1MHz
17.1
dBm
Input 2nd Order Intercept
–10dBm, Single Tone
48
dBm
LO to RF Leakage
– 44
dBm
LO to IF Leakage
– 40
dBm
Input 1dB Compression
5.5
dBm
IF Common Mode Voltage
Noise Figure
Internally Biased
Single-Side Band
1.77
VDC
13.6
dB
5519f
2
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