lt5581 Linear Technology Corporation, lt5581 Datasheet - Page 3

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

ELECTRICAL CHARACTERISTICS
range, otherwise specifi cations are at T
PARAMETER
2nd Order Harmonic Distortion
3rd Order Harmonic Distortion
f
RF Input Power Range
Linear Dynamic Range, CW (Note 3)
Linear Dynamic Range, EDGE (Note 3)
Output Slope
Logarithmic Intercept (Note 5)
Output Variation vs Temperature
Output Variation vs Temperature
Deviation from CW Response, Pin = –34 to +6dBm
f
RF Input Power Range
Linear Dynamic Range, CW (Note 3)
Linear Dynamic Range, WCDMA (Note 3)
Output Slope
Logarithmic Intercept (Note 5)
Output Variation vs Temperature
Output Variation vs Temperature
Maximum Deviation from CW Response
P
f
RF Input Power Range
Linear Dynamic Range, CW (Note 3)
Output Slope
Logarithmic Intercept (Note 5)
Output Variation vs Temperature
Output Variation vs Temperature
Maximum Deviation from CW Response
P
f
RF Input Power Range
Linear Dynamic Range, CW (Note 3)
Output Slope
Logarithmic Intercept (Note 5)
Output Variation vs Temperature
RF
RF
RF
RF
IN
IN
= 880MHz
= 2140MHz
= 2600MHz
= 3500MHz
= –34 to –4dBm
= –34 to 2dBm
A
= 25°C, V
CONDITIONS
±1dB Linearity Error; EDGE 3π/8-Shifted 8PSK
WCDMA 1-Carrier Uplink
WCDMA 64-Channel 4-Carrier Downlink
Externally Matched to 50Ω Source
±1dB Linearity Error
WiMAX OFDMA Preamble
WiMAX OFDM Burst
At RF Input; CW Input; P
At RF Input; CW Input; P
Externally Matched to 50Ω Source
±1dB Linearity Error
Normalized to Output at 25°C, –40°C < T
P
Normalized to Output at 25°C, –40°C < T
P
EDGE 3π/8 Shifted 8PSK
Externally Matched to 50Ω Source
±1dB Linearity Error
±1dB Linearity Error; 4-Carrier WCDMA
Normalized to Output at 25°C, –40°C < T
P
Normalized to Output at 25°C, –40°C < T
P
Normalized to Output at 25°C, –40°C < T
P
Normalized to Output at 25°C, –40°C < T
P
Externally Matched to 50Ω Source
±1dB Linearity Error
Normalized to Output at 25°C, –40°C < T
P
IN
IN
IN
IN
IN
IN
IN
CC
= –34 to +6dBm
= –27 to –10dBm
= –34 to 6dBm
= –27 to –10dBm
= –34 to +6dBm
= –27 to –10dBm
= –30 to +6dBm
= 3.3V, EN = 3.3V, unless otherwise noted (Note 2). Test circuit is shown in Figure 1.
The
l
denotes the specifi cations which apply over the full operating temperature
IN
IN
= 0dBm
= 0dBm
A
A
A
A
A
A
A
< 85°C;
< 85°C;
< 85°C;
< 85°C;
< 85°C;
< 85°C;
< 85°C;
MIN
–34 to 6
–34 to 6
–34 to 6
–30 to 6
±0.5
±0.1
±0.5
±0.1
±0.5
±0.5
±0.1
±0.5
TYP
–57
–52
–42
–42
–42
–41
31
±1
31
±1
31
±1
31
±1
40
40
43
37
40
36
LT5581
MAX
mV/dB
mV/dB
mV/dB
mV/dB
UNITS
3
dBm
dBm
dBm
dBm
dBm
dBm
dBm
dBm
5581f
dBc
dBc
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB