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 Power at
fLO = 1260MHz
–44
–48
DIGITAL GAIN = –4
–52
–56
–60
DIGITAL
–64
GAIN = –10
–68
–72
–76
–80
–10 –8
3.3V
3.6V
2.7V
–6 –4 –2 0 2
LO POWER (dBm)
85°C
105°C
–10°C
–40°C
46
5599 G46
Side-Band Suppression vs
LO Power at fLO = 150MHz
–40
DIGITAL GAIN = –4 (SOLID)
DIGITAL GAIN = –10 (DASHED)
–45
3.3V
3.6V
2.7V
–50
85°C
105°C
–10°C
–40°C
–55
–60
–65
–10 –8
–6 –4 –2 0 2
LO POWER (dBm)
46
5599 G47
Side-Band Suppression vs
LO Power at fLO = 500MHz
–40
DIGITAL GAIN = –4 (SOLID)
DIGITAL GAIN = –10 (DASHED)
–45
–50
–55
–60
85°C
105°C
3.3V
–10°C 3.6V
–40°C 2.7V
–65
–10 –8 –6 –4 –2 0 2
LO POWER (dBm)
46
5599 G48
Side-Band Suppression vs
LO Power at fLO = 900MHz
–40
DIGITAL GAIN = –4 (SOLID)
DIGITAL GAIN = –10 (DASHED)
–45
–50
–55
–60
85°C
105°C
3.3V
–10°C 3.6V
–40°C 2.7V
–65
–10 –8 –6 –4 –2 0 2
LO POWER (dBm)
46
5599 G49
Side-Band Suppression vs
LO Power at fLO = 1260MHz
–40
–41
–42
–43
–44
–45
–46 DIGITAL GAIN = –4 (SOLID)
DIGITAL GAIN = –10 (DASHED)
–47
–48
85°C
105°C
3.3V
–49
–10°C
3.6V
–40°C 2.7V
–50
–10 –8 –6 –4 –2 0 2
LO POWER (dBm)
46
5599 G50
Supply Current vs VCTRL Voltage
40
30
20
2.7V, 25°C
3.3V, 25°C
3.6V, 25°C
10
3.3V, 85°C
3.3V, –40°C
3.3V, –10°C
AGCTRL = 1
3.3V, 105°C
0
0.9 1.2 1.5 1.8 2.1 2.4 2.7 3 3.3
VCTRL VOLTAGE (V)
5599 G51
VCTRL Current vs VCTRL Voltage
3.0
2.5
2.7V, 25°C
2.0
3.3V, 25°C
3.6V, 25°C
3.3V, 85°C
3.3V, –40°C
3.3V, –10°C
3.3V, 105°C
1.5
0.9 1.2 1.5 1.8 2.1 2.4 2.7 3 3.3
VCTRL (V)
5599 G52
Gain vs VCTRL Voltage
0
AGCTRL = 1
–20
–40
2.7V, 25°C
3.3V, 25°C
3.6V, 25°C
–60
3.3V, 85°C
3.3V, –40°C
3.3V, –10°C
3.3V, 105°C
–80
0.9 1.2 1.5 1.8 2.1 2.4 2.7 3 3.3
VCTRL VOLTAGE (V)
5599 G53
For more information www.linear.com/LTC5599
Output IP3 vs VCTRL Gain
25
AGCTRL = 1
20
15
10
5
0
–5
–10
–27
2.7V, 25°C
3.3V, 25°C
3.6V, 25°C
3.3V, 85°C
3.3V, –40°C
3.3V, –10°C
3.3V, 105°C
–23 –19 –15 –11
–7
GAIN SET BY VCTRL (dB)
5599 G54
5599f
11
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