LTC5587IDD Ver la hoja de datos (PDF) - Linear Technology
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LTC5587IDD Datasheet PDF : 20 Pages
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LTC5587
TYPICAL PERFORMANCE CHARACTERISTICS VCC = VDD = OVDD = 3.3V, VREF = 1.8V, EN = 3.3V,
fSMPL = fSMPL(MAX) and fSCK = fSCK(MAX) unless otherwise noted. VOUT = ADC Output (LSB) • 1.8/4096. Test circuit is shown in Figure 1.
Output Voltage and Linearity
Error at 5800MHz
2.0
2.5
25°C
1.8
85°C 2.0
1.6
– 40°C 1.5
1.4
1.0
1.2
0.5
1.0
0
0.8
–0.5
0.6
–1.0
0.4
–1.5
0.2
–2.0
0
–40 –35 –30 –25 –20 –15 –10 –5 0
RF INPUT POWER (dBm)
–2.5
5 10
5587 G19
Output Voltage Temperature
Variation from 25°C at 5800MHz
3
2
1
85°C
0
–40°C
–1
–2
–3
–40 –35 –30 –25 –20 –15 –10 –5 0
RF INPUT POWER (dBm)
5 10
5587 G20
Linearity Error vs RF Input Power
5.8GHz Modulated Wavefroms
3
TA = 25°C
2
1
0
–1
–2
CW
WiMax OFDM BURST
–3
–35 –30 –25 –20 –15 –10 –5 0
RF INPUT POWER (dBm)
5 10
5587 G21
Slope vs Frequency
34
TA = 25°C
32
30
28
26
0
1
2
3
4
FREQUENCY (GHz)
5
6
5587 G23
Slope Distribution vs
Temperature
50
TA = –40°C
TA = 25°C
40 TA = 85°C
30
20
10
0
28 29 30 31 32 33 34
SLOPE (mV/dB)
5587 G24
Supply Current vs Supply Voltage
5
fSMPL = 500kHz
4
3
2
1
85°C
25°C
–40°C
0
2.7 2.8 2.9 3 3.1 3.2 3.3 3.4 3.5 3.6
SUPPLY VOLTAGE (V)
5587 G25
Logarithmic Intercept vs
Frequency
–30
TA = 25°C
–35
–40
–45
–50
0
1
2
3
4
FREQUENCY (GHz)
5
6
5587 G26
Logarithmic Intercept Distribution
vs Temperature
50
TA = –40°C
TA = 25°C
40 TA = 85°C
30
20
10
0
–48
–47 –46 –45 –44 –43 –42 –41
LOGARITHMIC INTERCEPT (dBm)
5587 G27
Total Supply Current vs RF Input
Power and Sample Rate
16
TA = 25°C
14
500kHz
12 100kHz
200kHz
10
8
6
4
2
0
–30 –25 –20 –15 –10 –5 0 5
RF INPUT POWER (dBm)
10 15
5587 G28
5587f
8
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