lt5570 Linear Technology Corporation, lt5570 Datasheet - Page 3

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

ELECTRICAL CHARACTERISTICS
temperature range, otherwise specifi cations are at T
Figures 1 and 3. (Notes 2 and 3).
PARAMETER
f
RF Input Power Range
Linear Dynamic Range (Note 5)
Output Slope
Logarithmic Intercept
Output Variation vs Temperature
Deviation from CW Response
2
3
f
RF Input Power Range
Linear Dynamic Range (Note 5)
Output Slope
Logarithmic Intercept
Output Variation vs Temperature
Deviation from CW Response
f
RF Input Power Range
Linear Dynamic Range (Note 5)
Output Slope
Logarithmic Intercept
Output Variation vs Temperature
Deviation from CW Response
Output
Output DC Voltage
Output Impedance
Sourcing/Sinking
Rise Time
Fall Time
RF
RF
RF
nd
rd
= 880MHz
Order Harmonic Distortion
= 2140MHz
= 2700MHz
Order Harmonic Distortion
CONDITIONS
CW Input; 1:4 Balun Matched into 50Ω Source
±1dB Linearity Error, T
Normalized to Output at 25°C
–40°C < T
11dB Peak to Average Ratio (3-Carrier CDMA2K)
12dB Peak to Average Ratio (4-Carrier WCDMA)
At RF Input; CW Input; P
At RF Input; CW Input; P
CW Input; 1:4 Balun Matched into 50Ω Source
±1dB Linearity Error, T
Normalized to Output at 25°C
–40°C < T
11dB Peak to Average Ratio (3-Carrier CDMA2K)
12dB Peak to Average Ratio (4-Carrier WCDMA)
CW Input; 1:4 Balun Matched into 50Ω Source
±1dB Linearity Error, T
Normalized to Output at 25°C
–40°C < T
11dB Peak to Average Ratio (3-Carrier CDMA2K)
12dB Peak to Average Ratio (4-Carrier WCDMA)
No RF Signal Present
0.2V to 1.6V, 10% to 90%, C1 = 22nF , f
1.6V to 0.2V, 90% to 10%, C1 = 22nF , f
A
A
A
< 85°C; P
< 85°C; P
< 85°C; P
A
IN
IN
IN
= 25°C, V
A
A
A
= –47dBm to 13dBm
= –36dBm to 13dBm
= –31dBm to 13dBm
= –40°C to 85°C
= –40°C to 85°C
= –40°C to 85°C
IN
IN
= 10dBm
= 10dBm
The
l
CC
denotes the specifi cations which apply over the full operating
= 5V, EN = 5V, unless otherwise noted. Test circuits are shown in
RF
RF
= 2140MHz
= 2140MHz
–43.6
MIN
34.8
47
–48 to 13
–38 to 13
–35 to 13
–51.9
–40.6
–38.5
5/2.5
37.7
±0.4
36.5
±0.3
36.4
±0.2
TYP
100
0.3
0.2
0.1
0.2
0.1
0.5
0.1
0.5
61
60
61
51
48
8
LT5570
–37.6
MAX
39.0
mV/dB
mV/dB
mV/dB
UNITS
3
dBm
dBm
dBm
dBm
dBm
dBm
5570f
dBc
dBc
mA
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
μS
μS
Ω
V