LTC5599 View Datasheet(PDF) - Linear Technology
Part Name
Description
MFG CO.
'LTC5599' PDF : 42 Pages View PDF
LTC5599
Typical Performance Characteristics VCC = 3.3V, EN = 3.3V, VCTRL = 3.3V, TC = 25°C,
PLO = 0dBm, fLO = 500MHz, BBPI, BBMI, BBPQ, BBMQ common mode DC voltage VCMBB = 1.4VDC, I and Q baseband input signal = 2MHz,
2.1MHz, 1VP-P(DIFF, I or Q), I and Q 90° shifted, lower sideband selection, TEMPUPDT = 0, register 0x00 value according to Table 5, all
other registers set to default values, unless otherwise noted. Test circuit is shown in Figure 13.
Input IP3 vs RF Frequency and
VCTRL
40
1.8V
30
1.6V
1.45V
3.3V
20
1.35V
1.25V
10
1V
0
50 250
1.15V
AGCTRL = 1
450 650 850 1050 1250
RF FREQUENCY (MHz)
5599 G19
Noise Floor vs RF Frequency
–140
–144
–148
3.3V, 25°C
3.6V, 25°C
2.7V, 25°C
3.3V, 85°C
3.3V, 105°C
3.3V, –10°C
3.3V, –40°C
–152
–156
–160
50
250 450 650 850 1050 1250
RF FREQUENCY (MHz)
5599 G22
Input IP2 vs RF Frequency
and VCTRL
80
3.3V
70
1.8V
60
50
40
1.25V
30
1.35V
1.15V
1.6V
1.45V
20
1V
10
50 250
AGCTRL = 1
450 650 850 1050 1250
RF FREQUENCY (MHz)
5599 G20
Noise Floor vs RF Frequency and
VCTRL
3.3V
–150
2V
1.9V
1.85V
1.8V
1.75
–154
1.65
1.6V
1.55V
1.5V
–158
1.45V
1.4V
1.3V
1V
–162
–166
50
250 450 650 850 1050 1250
RF FREQUENCY (MHz)
5599 G21
Noise Floor vs RF Power
–152
–154
DG = 0
–156 DG = –4
–158
DG = –8
DG = –12
–160
DG = –16
–162
DG = –19
–164
–10 –8 –6 –4 –2 0 2
RF POWER (dBm)
46
5599 G23
Noise Floor vs VCTRL Gain
–150
3.3V, 25°C
3.6V, 25°C
2.7V, 25°C
–154
3.3V, 85°C
3.3V, 105°C
3.3V, –10°C
3.3V, –40°C
–158
–162
AGCTRL = 1
–166
–80 –70 –60 –50 –40 –30 –20 –10
VCTRL GAIN (dB)
5599 G24
Gain vs RF Frequency for 30MHz
LO Match
–5
3.3V, 25°C
3.3V, 85°C
–6
3.3V, 105°C
3.3V, –10°C
–7
3.3V, –40°C
3.3V, 55°C
3.3V, 0°C
–8
–9
–10
–11
–12
–13
–14
–15
20
25 30 35 40 45 50
RF FREQUENCY (MHz)
5599 G25
8
Output IP3 vs RF Frequency for
30MHz LO Match
21
20
19
18
17
3.3V, 25°C
3.3V, 85°C
16
3.3V, 105°C
3.3V, –10°C
3.3V, –40°C
3.3V, 55°C
3.3V, 0°C
15
20 25 30 35 40 45 50
RF FREQUENCY (MHz)
5599 G26
Side-Band Suppression vs RF
Frequency for 30MHz LO Match
–15
3.3V, 85°C
–20
3.3V, –10°C
3.3V, 55°C
–25
–30
–35
–40
–45
–50
20
3.3V, 25°C
3.3V, 105°C
3.3V, –40°C
3.3V, 0°C
25 30 35 40 45 50
RF FREQUENCY (MHz)
5599 G27
5599f
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