)..........................................–40°C to 85°C
Storage Temperature Range .................. –65°C to 150°C
Junction Temperature (T
J
) .................................... 150°C
24 23 22 21 20 19
UF PACKAGE
24-LEAD (4mm
×
4mm) PLASTIC QFN
T
JMAX
= 150°C,
θ
JC
= 54°C/W
EXPOSED PAD (PIN 25) IS GND, MUST BE SOLDERED TO PCB
orDer inForMaTion
LEAD FREE FINISH
LTC6431AIUF-15#PBF
LTC6431BIUF-15#PBF
TAPE AND REEL
LTC6431AIUF-15#TRPBF
LTC6431BIUF-15#TRPBF
PART MARKING*
43115
43115
PACKAGE DESCRIPTION
24-Lead (4mm × 4mm) Plastic QFN
24-Lead (4mm × 4mm) Plastic QFN
TEMPERATURE RANGE
–40°C to 85°C
–40°C to 85°C
Consult LTC Marketing for parts specified with wider operating temperature ranges. *The temperature grade is identified by a label on the shipping container.
Consult LTC Marketing for information on nonstandard lead based finish parts.
For more information on lead free part marking, go to:
http://www.linear.com/leadfree/
For more information on tape and reel specifications, go to:
http://www.linear.com/tapeandreel/
Dc elecTrical characTerisTics
SYMBOL PARAMETER
V
S
I
S,TOT
I
S,OUT
I
CC,OUT
Operating Supply Range
Total Supply Current
Total Supply Current to OUT Pin
Current to V
CC
Pin
The
l
denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at T
A
= 25°C, V
CC
= 5V, Z
SOURCE
= Z
LOAD
= 50Ω. Typical measured DC electrical
performance using Test Circuit A.
CONDITIONS
All V
CC
Pins Plus OUT
l
MIN
4.75
75
67
62
55
12
12.5
TYP
5.0
85.1
71
14
MAX
5.25
100
112
92
95
16
16.5
UNITS
V
mA
mA
mA
mA
mA
mA
Current to OUT
l
Either V
CC
Pin May Be Used
l
643115f
2
LTC6431-15
ac elecTrical characTerisTics
SYMBOL PARAMETER
Small Signal
BW
S11
S21
S12
S22
S21
OIP3
IM3
HD2
HD3
P1dB
NF
S21
OIP3
IM3
HD2
HD3
P1dB
NF
S21
OIP3
IM3
HD2
HD3
P1dB
NF
–3dB Bandwidth
Input Return Loss, 20MHz to 2000MHz
Forward Power Gain, 50MHz to 300MHz
Reverse Isolation, 20MHz to 3000MHz
Output Return Loss, 20MHz to 1700MHz
Power Gain
Output Third-Order Intercept Point
Third-Order Intermodulation
Second Harmonic Distortion
Third Harmonic Distortion
Output 1dB Compression Point
Noise Figure
Power Gain
Output Third-Order Intercept Point
Third-Order Intermodulation
Second Harmonic Distortion
Third Harmonic Distortion
Output 1dB Compression Point
Noise Figure
Power Gain
Output Third-Order Intercept Point
Third-Order Intermodulation
Second Harmonic Distortion
Third Harmonic Distortion
Output 1dB Compression Point
Noise Figure
De-Embedded to Package
De-Embedded to Package
De-Embedded to Package
l
T
A
= 25°C (Note 3), V
CC
= 5V, Z
SOURCE
= Z
LOAD
= 50Ω, unless otherwise
noted. Measurements are performed using Test Circuit A, measuring from 50Ω SMA to 50Ω SMA without de-embedding (Note 4).
CONDITIONS
De-Embedded to Package (Low Frequency
Cutoff 20MHz)
De-Embedded to Package
De-Embedded to Package
De-Embedded to Package
De-Embedded to Package
De-Embedded to Package
P
OUT
= 2dBm/Tone, Δ
f
= 1MHz
P
OUT
= 2dBm/Tone, Δ
f
= 1MHz
P
OUT
= 6dBm
P
OUT
= 6dBm
De-Embedded to Package
De-Embedded to Package
P
OUT
= 2dBm/Tone, Δ
f
= 1MHz
P
OUT
= 2dBm/Tone, Δ
f
= 1MHz
P
OUT
= 6dBm
P
OUT
= 6dBm
A-Grade
B-Grade
A-Grade
B-Grade
A-Grade
B-Grade
A-Grade
B-Grade
MIN
TYP
2000
–10
15.5
–19
–10
15.5
46.0
45.0
–88.0
–86.0
–58.0
–88.0
20.5
3.06
15.5
47.0
46.0
–90.0
–88.0
–58.0
–88.0
20.7
3.20
14.5
14.2
44.0
–84
15.6
47.0
45.5
–90.0
–87.0
–59.0
–88.0
20.6
3.33
16.5
16.7
MAX
UNITS
MHz
dB
dB
dB
dB
dB
dBm
dBm
dBc
dBc
dBc
dBc
dBm
dB
dB
dBm
dBm
dBc
dBc
dBc
dBc
dBm
dB
dB
dB
dBm
dBm
dBc
dBc
dBc
dBc
dBm
dB
Frequency = 50MHz
Frequency = 140MHz
Frequency = 240MHz
P
OUT
= 2dBm/Tone, Δ
f
= 8MHz
P
OUT
= 2dBm/Tone, Δ
f
= 8MHz
P
OUT
= 6dBm
P
OUT
= 6dBm
A-Grade
B-Grade
A-Grade
B-Grade
643115f
3
LTC6431-15
ac elecTrical characTerisTics
SYMBOL PARAMETER
Frequency = 300MHz
S21
OIP3
IM3
HD2
HD3
P1dB
NF
S21
OIP3
IM3
HD2
HD3
P1dB
NF
S21
OIP3
IM3
HD2
HD3
P1dB
NF
S21
OIP3
IM3
HD2
HD3
P1dB
NF
Power Gain
Output Third-Order Intercept Point
Third-Order Intermodulation
Second Harmonic Distortion
Third Harmonic Distortion
Output 1dB Compression Point
Noise Figure
Power Gain
Output Third-Order Intercept Point
Third-Order Intermodulation
Second Harmonic Distortion
Third Harmonic Distortion
Output 1dB Compression Point
Noise Figure
Power Gain
Output Third-Order Intercept Point
Third-Order Intermodulation
Second Harmonic Distortion
Third Harmonic Distortion
Output 1dB Compression Point
Noise Figure
Power Gain
Output Third-Order Intercept Point
Third-Order Intermodulation
Second Harmonic Distortion
Third Harmonic Distortion
Output 1dB Compression Point
Noise Figure
De-Embedded to Package
De-Embedded to Package
De-Embedded to Package
P
OUT
= 2dBm/Tone, Δ
f
= 1MHz
P
OUT
= 2dBm/Tone, Δ
f
= 1MHz
P
OUT
= 6dBm
P
OUT
= 6dBm
A-Grade
B-Grade
A-Grade
B-Grade
De-Embedded to Package
De-Embedded to Package
P
OUT
= 2dBm/Tone, Δ
f
= 1MHz
P
OUT
= 2dBm/Tone, Δ
f
= 1MHz
P
OUT
= 6dBm
P
OUT
= 6dBm
A-Grade
B-Grade
A-Grade
B-Grade
De-Embedded to Package
De-Embedded to Package
P
OUT
= 2dBm/Tone, Δ
f
= 1MHz
P
OUT
= 2dBm/Tone, Δ
f
= 1MHz
P
OUT
= 6dBm
P
OUT
= 6dBm
A-Grade
B-Grade
A-Grade
B-Grade
De-Embedded to Package
P
OUT
= 2dBm/Tone, Δ
f
= 1MHz
P
OUT
= 2dBm/Tone, Δ
f
= 1MHz
P
OUT
= 6dBm
P
OUT
= 6dBm
A-Grade
B-Grade
A-Grade
B-Grade
15.5
46.5
45.5
–89.0
–87.0
–60.0
–86.0
20.6
3.41
15.4
46.0
45.0
–88.0
–86.0
–57.0
–87.0
20.6
3.48
15.3
44.5
43.5
–85.0
–83.0
–55.6
–77.0
20.6
3.60
15.3
41.5
40.5
–79.0
–77.0
–53.6
–69.0
20.6
3.67
dB
dBm
dBm
dBc
dBc
dBc
dBc
dBm
dB
dB
dBm
dBm
dBc
dBc
dBc
dBc
dBm
dB
dB
dBm
dBm
dBc
dBc
dBc
dBc
dBm
dB
dB
dBm
dBm
dBc
dBc
dBc
dBc
dBm
dB
T
A
= 25°C (Note 3), V
CC
= 5V, Z
SOURCE
= Z
LOAD
= 50Ω, unless otherwise
noted. Measurements are performed using Test Circuit A, measuring from 50Ω SMA to 50Ω SMA without de-embedding (Note 4).
CONDITIONS
MIN
TYP
MAX
UNITS
Frequency = 380MHz
Frequency = 500MHz
Frequency = 600MHz
643115f
4
LTC6431-15
ac elecTrical characTerisTics
SYMBOL PARAMETER
Frequency = 700MHz
S21
OIP3
IM3
HD2
HD3
P1dB
NF
S21
OIP3
IM3
HD2
HD3
P1dB
NF
S21
OIP3
IM3
HD2
HD3
P1dB
NF
S21
OIP3
IM3
HD2
HD3
P1dB
NF
Power Gain
Output Third-Order Intercept Point
Third-Order Intermodulation
Second Harmonic Distortion
Third Harmonic Distortion
Output 1dB Compression Point
Noise Figure
Power Gain
Output Third-Order Intercept Point
Third-Order Intermodulation
Second Harmonic Distortion
Third Harmonic Distortion
Output 1dB Compression Point
Noise Figure
Power Gain
Output Third-Order Intercept Point
Third-Order Intermodulation
Second Harmonic Distortion
Third Harmonic Distortion
Output 1dB Compression Point
Noise Figure
Power Gain
Output Third-Order Intercept Point
Third-Order Intermodulation
Second Harmonic Distortion
Third Harmonic Distortion
Output 1dB Compression Point
Noise Figure
De-Embedded to Package
De-Embedded to Package
De-Embedded to Package
P
OUT
= 2dBm/Tone, Δ
f
= 1MHz
P
OUT
= 2dBm/Tone, Δ
f
= 1MHz
P
OUT
= 6dBm
P
OUT
= 6dBm
A-Grade
B-Grade
A-Grade
B-Grade
De-Embedded to Package
De-Embedded to Package
P
OUT
= 2dBm/Tone, Δ
f
= 1MHz
P
OUT
= 2dBm/Tone, Δ
f
= 1MHz
P
OUT
= 6dBm
P
OUT
= 6dBm
A-Grade
B-Grade
A-Grade
B-Grade
De-Embedded to Package
De-Embedded to Package
P
OUT
= 2dBm/Tone, Δ
f
= 1MHz
P
OUT
= 2dBm/Tone, Δ
f
= 1MHz
P
OUT
= 6dBm
P
OUT
= 6dBm
A-Grade
B-Grade
A-Grade
B-Grade
De-Embedded to Package
P
OUT
= 2dBm/Tone, Δ
f
= 1MHz
P
OUT
= 2dBm/Tone, Δ
f
= 1MHz
P
OUT
= 6dBm
P
OUT
= 6dBm
A-Grade
B-Grade
A-Grade
B-Grade
15.2
40.0
39.0
–76.0
–74.0
–51.9
–69.0
20.3
3.75
15.2
39.0
38.0
–74
–72
–49.2
–65.0
20.1
3.83
15.1
38.5
37.5
–73.0
–71.0
–46.7
–63.0
19.9
3.90
15.0
38.0
37.0
–72.0
–70.0
–45.0
–59.0
19.5
3.99
dB
dBm
dBm
dBc
dBc
dBc
dBc
dBm
dB
dB
dBm
dBm
dBc
dBc
dBc
dBc
dBm
dB
dB
dBm
dBm
dBc
dBc
dBc
dBc
dBm
dB
dB
dBm
dBm
dBc
dBc
dBc
dBc
dBm
dB
T
A
= 25°C (Note 3), V
CC
= 5V, Z
SOURCE
= Z
LOAD
= 50Ω, unless otherwise
noted. Measurements are performed using Test Circuit A, measuring from 50Ω SMA to 50Ω SMA without de-embedding (Note 4).
CONDITIONS
MIN
TYP
MAX
UNITS
Frequency = 800MHz
Frequency = 900MHz
Frequency = 1000MHz
Note 1:
Stresses beyond those listed under Absolute Maximum Ratings may
cause permanent damage to the device. Exposure to any Absolute Maximum
Rating condition for extended periods may affect device reliability and lifetime.
Note 2:
Guaranteed by design and characterization. This parameter is not tested.
Note 3:
The LTC6431-15 is guaranteed functional over the case operating
temperature range of –40°C to 85°C.
Note 4:
Small-signal parameters S and noise are de-embedded to the package
pins, while large-signal parameters are measured directly from the circuit.
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