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.
Supply Current vs Supply Voltage
36
–40°C
34 –10°C
25°C
32 85°C
105°C
30
28
26
24
22
20
2.7
3
3.3
SUPPLY VOLTAGE (V)
3.6
5599 G01
Supply Current vs Digital
Gain Setting
2.7V, 25°C
40 3.3V, 25°C
3.6V, 25°C
3.3V, 85°C
30 3.3V, –40°C
20
10
0
–19 –17 –15 –13 –11 –9 –7 –5
DIGITAL GAIN SETTING
–3 –1
5599 G02
Gain vs RF Frequency and
Digital Gain Setting
0
DIGITAL GAIN SETTING (DG) = 0
(REGISTER 0x01 = 0x00)
–5
–10
–15
–20
–25
–30
50
DIGITAL GAIN SETTING (DG) = –19
(REGISTER 0x01 = 0x13)
250 450 650 850 1050 1250
RF FREQUENCY (MHz)
5599 G03
Output IP3 vs RF Frequency and
Digital Gain Setting
20
15
10
5
0
50
DG 0
DG –1
DG –2
DG –3
DG –4
DG –5
DG –6
DG –7
DG –8
DG –9
DG –10
DG –11
DG –12
DG –13
DG –14
DG –15
DG –16
DG –17
DG –18
DG –19
250 450 650 850 1050 1250
RF FREQUENCY (MHz)
5599 G04
Output IP2 vs RF Frequency and
Digital Gain Setting
80
70
60
50
40
50
DG 0
DG –1
DG –2
DG –3
DG –4
DG –5
DG –6
DG –7
DG –8
DG –9
DG –10
DG –11
DG –12
DG –13
DG –14
DG –15
DG –16
DG –17
DG –18
DG –19
250 450 650 850 1050 1250
RF FREQUENCY (MHz)
5599 G05
LO Leakage vs RF Frequency and
Digital Gain Setting
–40
–50
–60
–70
–80
50
DG 0
DG –1
DG –2
DG –3
DG –4
DG –5
DG –6
DG –7
DG –8
DG –9
DG –10
DG –11
DG –12
DG –13
DG –14
DG –15
DG –16
DG –17
DG –18
DG –19
250 450 650 850 1050 1250
RF FREQUENCY (MHz)
5599 G06
Side-Band Suppression vs RF
Frequency and Digital Gain Setting
–10
–20
–30
–40
–50
–60
–70
50
DG 0
DG –1
DG –2
DG –3
DG –4
DG –5
DG –6
DG –7
DG –8
DG –9
DG –10
DG –11
DG –12
DG –13
DG –14
DG –15
DG –16
DG –17
DG –18
DG –19
250 450 650 850 1050 1250
RF FREQUENCY (MHz)
5599 G07
Side-Band Suppression vs LO
Frequency for Gain TempComp Off
–30
3.3V, 25°C
3.6V, 25°C
2.7V, 25°C
3.3V, 85°C
3.3V, 105°C
3.3V, –10°C
–40
3.3V, –40°C
–50
–60
TEMPUPDT = 1
–70
50
250 450 650 850 1050 1250
LO FREQUENCY (MHz)
5599 G08
6
For more information www.linear.com/LTC5599
Side-Band Suppression vs LO
Frequency for Gain TempComp On
–30
3.3V, 25°C
3.6V, 25°C
2.7V, 25°C
3.3V, 85°C
3.3V, 105°C
3.3V, –10°C
–40
3.3V, –40°C
–50
–60
–70
50
250 450 650 850 1050 1250
LO FREQUENCY (MHz)
5599 G09
5599f
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