lt5570 Linear Technology Corporation, lt5570 Datasheet - Page 5

• Manufacturer Part Number: lt5570
• Description: Fast Responding, 40mhz To 2.7ghz Mean-squared Power Detector
• Manufacturer: Linear Technology Corporation

TYPICAL PERFORMANCE CHARACTERISTICS
2.4
2.0
1.2
0.8
2.4
2.0
1.2
0.8
0.4
2.4
2.0
1.2
0.8
1.6
0.4
1.6
1.6
0.4
0
0
0
–55
–55
–55
Output Voltage vs Frequency
Output Voltage, Linearity Error vs
RF Input Power, 500MHz
Output Voltage, Linearity Error vs
RF Input Power, 880MHz
T
A
= 25°C
–45
–45
–45
RF INPUT POWER (dBm)
RF INPUT POWER (dBm)
RF INPUT POWER (dBm)
–35
–35
–35
–25
–25
–25
–15
–15
–15
–5
–5
–5
T
T
T
T
T
T
A
A
A
A
A
A
500MHz
880MHz
2140MHz
2700MHz
= –40°C
= 25°C
= 85°C
= –40°C
= 25°C
= 85°C
5
5
5
5570 G01
5570 G03
5570 G05
15
15
15
3
2
1
0
–1
–2
–3
3
2
0
–1
–3
1
–2
–3
–1
–2
–1
–3
–1
–3
–2
–2
3
2
1
0
3
2
3
2
1
0
1
0
–55
(Test Circuits Shown in Figures 1 and 3)
–55
–55
Linearity Error vs RF Input Power,
500MHz Modulated Waveforms
Linearity Error vs RF Input Power,
880MHz Modulated Waveforms
Linearity Error vs Frequency
T
A
= 25°C
–45
–45
–45
RF INPUT POWER (dBm)
–35
RF INPUT POWER (dBm)
RF INPUT POWER (dBm)
–35
–35
–25
–25
–25
–15
–15
–15
CW
4CH WCDMA
3CH CDMA2000
CW
4CH WCDMA
3CH CDMA2000
–5
–5
–5
T
T
500MHz
880MHz
2140MHz
2700MHz
A
A
= 25°C
5
= 25°C
5
5
5570 G06
5570 G02
5570 G04
15
15
15
LT5570
5
5570f