lt5581 Linear Technology Corporation, lt5581 Datasheet - Page 6

• Manufacturer Part Number: lt5581
• Description: 6ghz Rms Power Detector With 40db Dynamic Range
• Manufacturer: Linear Technology Corporation

LT5581
TYPICAL PERFORMANCE CHARACTERISTICS
6
1.0
2.0
1.8
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
1.0
2.0
1.8
1.6
1.4
1.2
0.8
0.6
0.4
0.2
2.0
1.8
1.6
1.4
1.2
0.8
0.6
0.4
0.2
0
0
0
–40
–40
–40
Output Voltage and Linearity Error
at 2140MHz
Output Voltage and Linearity Error
at 2600MHz
Output Voltage and Linearity Error
at 3500MHz
–35
–35
–35
–30
–30
–30
25°C
85°C
– 40°C
RF INPUT POWER (dBm)
RF INPUT POWER (dBm)
RF INPUT POWER (dBm)
–25
–25
–25
25°C
85°C
– 40°C
25°C
85°C
– 40°C
–20
–20
–20
–15
–15
–15
–10
–10
–10
–5
–5
–5
0
0
0
5581 G13
5581 G10
5581 G16
5
5
5
10
10
10
2.5
2.0
1.5
1.0
0.5
0
–0.5
–1.0
–1.5
–2.0
–2.5
2.5
2.0
1.5
1.0
0.5
0
–0.5
–1.0
–1.5
–2.0
–2.5
2.5
2.0
1.5
1.0
0.5
0
–0.5
–1.0
–1.5
–2.0
–2.5
–1
–2
–1
–2
–3
–1
–2
–3
–3
2
1
0
2
1
0
3
2
1
0
3
3
–40
–40
–40
Linearity Error Temperature
Variation from 25°C at 2140MHz
Linearity Error Temperature
Variation from 25°C at 2600MHz
Linearity Error Temperature
Variation from 25°C at 3500MHz
–35
–35
–35
–30
–30
–30
RF INPUT POWER (dBm)
RF INPUT POWER (dBm)
RF INPUT POWER (dBm)
–25
–25
–25
–20
–20
–20
–15
–15
–15
–10
–10
–10
–5
–5
–5
–40°C
–40°C
85°C
–40°C
85°C
85°C
0
0
0
5581 G14
5581 G11
5581 G17
5
5
5
10
10
10
–1
–2
–3
–1
–2
–3
–1
–2
–3
2
1
0
2
1
0
3
2
1
0
3
3
–35
–35
–35
Linearity Error vs RF Input Power,
2140MHz Modulated Waveforms
Linearity Error vs RF Input Power,
2.6GHz Modulated Waveforms
Linearity Error vs RF Input Power,
3.5GHz Modulated Waveforms
T
T
T
A
A
A
–30
–30
–30
= 25°C
= 25°C
= 25°C
CW
WCDMA, UL
WCDMA DL 1C
WCDMA DL 4C
LTE DL 1C
LTE DL 4C
CW
WiMax OFDMA PREAMBLE
WiMax OFDM BURST
CW
WiMax OFDM PREAMBLE
WiMax OFDM BURST
WiMax OFDMA PREAMBLE
–25
–25
–25
RF INPUT POWER (dBm)
RF INPUT POWER (dBm)
RF INPUT POWER (dBm)
–20
–20
–20
–15
–15
–15
–10
–10
–10
–5
–5
–5
0
0
0
5581 G12
5581 G18
5581 G15
5
5
5
5581f
10
10
10