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