lt5537 Linear Technology Corporation, lt5537 Datasheet - Page 6

• Manufacturer Part Number: lt5537
• Description: Wide Dynamic Range Rf/if Log Detector
• Manufacturer: Linear Technology Corporation

LT5537
TYPICAL PERFOR A CE CHARACTERISTICS
6
3.0
2.5
2.0
1.5
1.0
0.5
25
20
15
10
–1
–2
–3
0
5
0
3
2
1
0
–80
–80
Output Voltage, Linearity Error
vs Input Power at 400MHz
Output Voltage Distribution vs Temperature at –50dBm
–40°C
V
V
at 600MHz
0.8 0.825 0.85 0.875 0.9 0.925 0.95 0.975 1 1.025 1.05 1.075 1.1
NORMALIZED AT 25°C
V
CC
RF P
V
OUT
CC
–40°C
CC
85°C
= ENBL = 3V
85°C
= ENBL = 3V
IN
= ENBL = 3V
–60
–60
Variation vs Input Power
= –50dBm at 200MHz
25°C
INPUT POWER (dBm)
INPUT POWER (dBm)
–40
–40
–20
–20
OUTPUT VOLTAGE (V)
W
0
0
5537 G13
5537 G16
U
20
20
3
2
1
0
–1
–2
–3
3.0
2.5
2.0
1.5
1.0
0.5
0
–80
Output Voltage, Linearity Error
vs Input Power at 1GHz
–1
–2
–3
–40°C
V
3
2
1
0
CC
–80
V
at 400MHz
= ENBL = 3V
OUT
–40°C
–60
85°C
–40°C
85°C
25°C
85°C
–60
Variation vs Input Power
25°C
INPUT POWER (dBm)
5537 G19
–40
INPUT POWER (dBm)
–40
–20
NORMALIZED AT 25°C
V
CC
–20
= ENBL = 3V
25
20
15
10
5
0
0
Output Voltage Distribution vs Temperature at –20dBm
1.45 1.475 1.5 1.525 1.55 1.575 1.6 1.625 1.65 1.675 1.7 1.725 1.75
RF P
V
0
5537 G17
CC
= ENBL = 3V
IN
5537 G11
20
= –20dBm at 200MHz
3
2
1
0
–1
–2
–3
20
3.0
2.5
2.0
1.5
1.0
0.5
0
–80
Output Voltage, Linearity Error
vs Input Power at 600MHz
–40°C
V
–1
–2
–3
CC
OUTPUT VOLTAGE (V)
3
2
1
0
–80
= ENBL = 3V
V
at 1GHz
–60
NORMALIZED AT 25°C
V
85°C
–40°C
OUT
CC
85°C
= ENBL = 3V
INPUT POWER (dBm)
–60
25°C
Variation vs Input Power
–40
INPUT POWER (dBm)
–40
–20
–20
0
5537 G15
0
–40°C
25°C
85°C
20
5537 G18
5537fa
3
2
1
0
–1
–2
–3
5537 G20
20