ltc5587 Linear Technology Corporation, ltc5587 Datasheet - Page 8

• Manufacturer Part Number: ltc5587
• Description: Ltc5587 6 Ghz Rms Power Detector With Digital Output Features
• Manufacturer: Linear Technology Corporation

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