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.
Noise Floor vs RF Frequency and
Digital Gain Setting
–140
–145
–150
DIGITAL GAIN SETTING = 0
(REGISTER 0x01 = 0x00)
–155
–160
–165
–170
50
DIGITAL GAIN SETTING = –19
(REGISTER 0x01 = 0x13)
250 450 650 850 1050 1250
RF FREQUENCY (MHz)
5599 G10
Output 1dB Compression Point vs
RF Frequency and Digital Gain
Setting and 2.7V Supply
Output 1dB Compression Point vs
RF Frequency and Digital Gain
Setting and 3.3V Supply
6
2
–2
–6
–10
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 G11
Output 1dB Compression Point vs
RF Frequency and Digital Gain
Setting at –10°C
Output 1dB Compression Point vs
RF Frequency and Digital Gain
Setting and 3.6V Supply
6
2
–2
–6
–10
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 G12
Output 1dB Compression Point vs
RF Frequency and Digital Gain
Setting at –40°C
6
2
–2
–6
–10
50
DG 0
DG –1
DG –2
6
DG –3
DG –4
DG –5
DG –6
2
DG –7
DG –8
DG –9
DG –10
DG –11
–2
DG –12
DG –13
DG –14
DG –15 –6
DG –16
DG –17
DG –18
DG –19 –10
250 450 650 850 1050 1250
50
RF FREQUENCY (MHz)
5599 G13
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 G14
6
2
–2
–6
–10
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 G15
Output 1dB Compression Point vs
RF Frequency and Digital Gain
Setting at 85°C
6
2
–2
–6
–10
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 G16
Output 1dB Compression Point vs
RF Frequency and Digital Gain
Setting at 105°C
6
2
–2
–6
–10
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 G17
Gain vs RF Frequency and VCTRL
0
3.3V
1.8V
1.6V
–20
1.45V
–40
1.35V
1.25V
–60
1.15V
1V
–80
–100
50
AGCTRL = 1
250 450 650 850 1050 1250
RF FREQUENCY (MHz)
5599 G18
5599f
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