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.
LO Leakage vs LO Frequency for
Gain TempComp On
–40
3.3V, –10°C
2.7V, 25°C
3.3V, –40°C
3.3V, 25°C
–45
3.6V, 25°C
3.3V, 85°C
3.3V, 105°C
–50
Worst-Case LO Leakage Over Five
Parts vs LO Frequency After 25°C
Calibration for Gain TempComp Off
–40
3.3V, 25°C; 3.3V, 85°C; 3.3V, 105°C;
3.3V, –10°C; 3.3V, –40°C; 2.7V, 25°C AND
3.6V, 25°C BETWEEN WORST-CASE AND
–50
BEST-CASE
WORST-CASE: 3.3V, 105°C
Worst-Case LO Leakage Over Five
Parts vs LO Frequency After 25°C
Calibration for Gain TempComp On
–40
3.3V, 25°C; 3.3V, 85°C; 3.3V, 105°C;
3.3V, –10°C; 3.3V, –40°C; 2.7V, 25°C AND
3.6V, 25°C BETWEEN WORST-CASE AND
–50
BEST-CASE
WORST-CASE: 3.3V, 105°C
–55
–60
–60
–60
–65
–70
50 250 450 650 850 1050 1250
LO FREQUENCY (MHz)
5599 G64
Worst-Case Side-Band Suppression Over
Five Parts vs LO Frequency After 25°C
Calibration for Gain TempComp Off
–30
3.3V, 25°C; 3.3V, 85°C; 3.3V, 105°C;
3.3V, –10°C; 3.3V, –40°C; 2.7V, 25°C AND
3.6V, 25°C BETWEEN WORST-CASE AND
–40
BEST-CASE
WORST-CASE: 3.3V, 105°C
BEST-CASE: 3.3V, 25°C
–50
–70
BEST-CASE: 3.3V, 25°C
–80
50
TEMPUPDT = 1
250 450 650 850 1050 1250
LO FREQUENCY (MHz)
5599 G65
Worst-Case Side-Band Suppression Over
Five Parts vs LO Frequency After 25°C
Calibration for Gain TempComp On
–30
3.3V, 25°C; 3.3V, 85°C; 3.3V, 105°C;
3.3V, –10°C; 3.3V, –40°C; 2.7V, 25°C AND
3.6V, 25°C BETWEEN WORST-CASE AND
–40
BEST-CASE
WORST-CASE: 3.3V, 105°C
BEST-CASE: 3.3V, 25°C
–50
–70
BEST-CASE: 3.3V, 25°C
–80
50
250 450 650 850 1050 1250
LO FREQUENCY (MHz)
5599 G66
LO Leakage vs LO Frequency
and Digital Gain Setting After
Calibration at DG = –4
–40
DG = –19 DG = –3
DG = –8
DG = 0
–50
–60
–60
–60
–70
50
TEMPUPDT = 1
250 450 650 850 1050 1250
LO FREQUENCY (MHz)
5599 G67
Side-Band Suppression vs LO
Frequency and Digital Gain Setting
After Calibration at DG = –4
–10
–20
–30
DG = –19
DG = 0
–40
DG = –12
–50
–60
–70
–80
50
DG = –4 DG = –3
250 450 650 850 1050 1250
RF FREQUENCY (MHz)
5599 G70
–70
50
250 450 650 850 1050 1250
LO FREQUENCY (MHz)
5599 G68
Temperature Sensing Diode
Voltage Cumulative Distribution
100
80
105°C
60
40
20
25°C
–40°C
0
0.6 0.65 0.7 0.75 0.8 0.85 0.9
DIODE VOLTAGE FOR 100µA (V)
5599 G71
For more information www.linear.com/LTC5599
–70
–80
50
DG = –17 DG = –4
250 450 650 850 1050 1250
RF FREQUENCY (MHz)
5599 G69
Supply Current Cumulative
Distribution
100
80
–40°C
60
105°C
25°C
40
20
0
24
26
28
30
32
34
SUPPLY CURRENT (mA)
5599 G72
5599f
13
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