LT5581
TYPICAL PERFORMANCE CHARACTERISTICS
Performance characteristics taken at VCC = 3.3V,
EN = 3.3V and TA = 25°C, unless otherwise noted. (Test circuit shown in Figure 1)
Output Voltage vs Frequency
Output Voltage vs Frequency
Linearity Error vs Frequency
2.0
1.8
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0
2.0
1.8
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0
3
T
= 25°C
T
= 25°C
T = 25°C
A
A
A
10MHz
880MHz
2
450MHz
880MHz
2.14GHz
2.6GHz
3.5GHz
5.8GHz
2.14GHz
2.6GHz
3.5GHz
1
0
10MHz
450MHz
880MHz
2.14GHz
2.6GHz
3.5GHz
5.8GHz
–1
–2
–3
–40
–30 –25 –20 –15 –10 –5
RF INPUT POWER (dBm)
0
5
10
–40
–30 –25 –20 –15 –10 –5
RF INPUT POWER (dBm)
0
5
10
–40
–35
–30 –25 –20 –15 –10 –5
RF INPUT POWER (dBm)
0
5
10
–35
–35
5581 G01
5581 G02
5581 G03
Output Voltage and Linearity Error
at 450MHz
Linearity Error Temperature
Linearity Error vs RF Input Power,
450MHz Modulated Waveforms
Variation from 25°C at 450MHz
2.0
1.8
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0
2.5
3
2
3
T
= 25°C
25°C
A
2.0
85°C
CW
TETRA
CDMA 4C
2
–40°C
1.5
1.0
85°C
1
1
0
0.5
0
0
–40°C
–0.5
–1.0
–1.5
–2.0
–2.5
–1
–1
–2
–3
–2
–3
5
10
–40
–30 –25 –20 –15 –10 –5
RF INPUT POWER (dBm)
0
5
10
–30 –25 –20 –15 –10 –5
RF INPUT POWER (dBm)
0
5
10
–40
–30 –25 –20 –15 –10 –5
RF INPUT POWER (dBm)
0
–35
–35
–35
5581 G05
5581 G06
5581 G04
Linearity Error Temperature
Variation from 25°C at 880MHz
Linearity Error vs RF Input Power,
880MHz Modulated Waveforms
Output Voltage and Linearity Error
at 880MHz
3
2
3
2
2.0
1.8
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0
2.5
T
= 25°C
25°C
A
2.0
85°C
CW
EDGE
–40°C
1.5
1.0
85°C
1
0
1
0
0.5
0
–40°C
–0.5
–1.0
–1.5
–2.0
–2.5
–1
–1
–2
–3
–2
–3
–40
–30 –25 –20 –15 –10 –5
RF INPUT POWER (dBm)
0
5
10
–30 –25 –20 –15 –10 –5
RF INPUT POWER (dBm)
0
5
10
–35
–35
–40
–30 –25 –20 –15 –10 –5
RF INPUT POWER (dBm)
0
5
10
–35
5581 G08
5581 G09
5581 G07
5581f
5
Linear [ Linear ]
