LT5554
9
5554f
TYPICAL PERFORMANCE CHARACTERISTICS (R
OUT = 50Ω) TA = 25°C. VCC = 5V, VCCO = 5V,
ENB = 3V, MODE = 5V, STROBE = 3V, VIH = 2.2V, VIL = 0.6V (Test circuit shown in Figure 16) POUT = 4dBm/tone (2VP-P into 50Ω),
Δf = 200kHz, unless otherwise noted.
Two-Tone OIP3 vs Frequency for
GMAX and Critical Gain Steps
Two-Tone IMD3 vs Frequency for
GMAX and Critical Gain Steps
IIP3 vs Frequency for GMAX and
GMAX –3.875dB
Two-Tone IMD3 and OIP3 vs
Attenuation at 50MHz
Two-Tone IMD3 and OIP3 vs
Attenuation at 70MHz
FREQUENCY (MHz)
50
OIP3
(dBm)
49
46
43
40
100
150
5554 G16
200
GMAX – 15.875dB
GMAX – 12dB
GMAX – 3.875dB
GMAX
FREQUENCY (MHz)
50
IMD3
(dBc)
–70
–76
–82
–88
100
150
5554 G17
200
GMAX – 15.875dB
GMAX – 12dB
GMAX – 3.875dB
GMAX
FREQUENCY (MHz)
50
IIP3
(dBm)
32
30
28
24
26
100
150
5554 G18
200
GMAX
GMAX – 3.875dB
ATTENUATION (dB)
0
–4
–8
–12
5554 G19
–16
IMD3
OIP3
IMD3
(dBc)
–70
–74
–78
–82
–86
OIP3
(dBm)
48
46
44
42
40
ATTENUATION (dB)
0
–4
–8
–12
5554 G20
–16
IMD3
OIP3
IMD3
(dBc)
–70
–74
–78
–82
–86
OIP3
(dBm)
48
46
44
42
40
Two-Tone IMD3 and OIP3 vs
Attenuation at 100MHz
ATTENUATION (dB)
0
–4
–8
–12
5554 G21
–16
IMD3
(dBc)
–70
–74
–78
–82
–86
OIP3
(dBm)
48
46
44
42
40
OIP3
Two-Tone IMD3 and OIP3 vs
Attenuation at 140MHz
ATTENUATION (dB)
0
–4
–8
–12
5554 G22
–16
IMD3
OIP3
IMD3
(dBc)
–70
–74
–78
–82
–86
OIP3
(dBm)
48
46
44
42
40