).....................................................–40°C to 85°C
Storage Temperature Range .................. –65°C to 150°C
Junction Temperature (T
J
) .................................... 150°C
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-20#PBF
LTC6431BIUF-20#PBF
TAPE AND REEL
LTC6431AIUF-20#TRPBF
LTC6431BIUF-20#TRPBF
PART MARKING*
43120
43120
PACKAGE DESCRIPTION
24-Lead (4mm
×
4mm) Plastic QFN
24-Lead (4mm
×
4mm) Plastic QFN
TEMPERATURE RANGE
–40°C to 85°C T
CASE
–40°C to 85°C T
CASE
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/
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.
SYMBOL
V
S
I
S(TOT)
I
S(OUT)
I
CC
PARAMETER
Operating Supply Range
Total Supply Current
Total Supply Current to OUT Pin
Current to V
CC
Pin
All V
CC
Pins Plus OUT
l
DC ELECTRICAL CHARACTERISTICS
CONDITIONS
l
MIN
4.75
75
68
55
51
15
12.5
TYP
5.0
93
75
18
MAX
5.25
113
129
95
115
21
21.5
UNITS
V
mA
mA
mA
mA
mA
mA
Current to OUT
l
Either V
CC
Pin May Be Used
l
643120f
2
For more information
www.linear.com/LTC6431-20
LTC6431-20
The
l
denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at 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 without de-embedding (Note 4).
SYMBOL
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 1000MHz
Reverse Isolation 20MHz to 3000MHz
Output Return Loss 20MHz to 1400MHz
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
AC ELECTRICAL CHARACTERISTICS
PARAMETER
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, ∆f = 1MHz, A-Grade
P
OUT
= 2dBm/Tone, ∆f = 1MHz, B-Grade
P
OUT
= 2dBm/Tone, ∆f = 1MHz, A-Grade
P
OUT
= 2dBm/Tone, ∆f = 1MHz, B-Grade
P
OUT
= 6dBm
P
OUT
= 6dBm
De-embedded to Package
De-embedded to Package
P
OUT
= 2dBm/Tone, ∆f = 1MHz, A-Grade
P
OUT
= 2dBm/Tone, ∆f = 1MHz, B-Grade
P
OUT
= 2dBm/Tone, ∆f = 1MHz, A-Grade
P
OUT
= 2dBm/Tone, ∆f = 1MHz, B-Grade
P
OUT
= 6dBm
P
OUT
= 6dBm
MIN
TYP
2000
–10
20.8
–23
–10
21.1
48.2
47.2
–92.4
–90.4
–53.5
–93.6
23.5
2.6
21.0
48.8
47.8
–93.6
–91.6
–55.8
–96.6
23.0
2.7
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
Frequency = 50MHz
Frequency = 140MHz
Frequency = 240MHz
19.4
19.0
42.2
21.0
46.2
45.7
–90.4
–87.4
–50.5
–92.5
22.0
2.6
–80.4
21.4
21.5
dB
dB
dBm
dBm
dBc
dBc
dBc
dBc
dBm
dB
P
OUT
= 2dBm/Tone, ∆f = 1MHz, A-Grade
P
OUT
= 2dBm/Tone, ∆f = 1MHz, B-Grade
P
OUT
= 2dBm/Tone, ∆f = 1MHz, A-Grade
P
OUT
= 2dBm/Tone, ∆f = 1MHz, B-Grade
P
OUT
= 6dBm
P
OUT
= 6dBm
643120f
For more information
www.linear.com/LTC6431-20
3
LTC6431-20
The
l
denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at 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 without de-embedding (Note 4).
SYMBOL
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
PARAMETER
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, ∆f = 1MHz, A-Grade
P
OUT
= 2dBm/Tone, ∆f = 1MHz, B-Grade
P
OUT
= 2dBm/Tone, ∆f = 1MHz, A-Grade
P
OUT
= 2dBm/Tone, ∆f = 1MHz, B-Grade
P
OUT
= 6dBm
P
OUT
= 6dBm
De-embedded to Package
De-embedded to Package
P
OUT
= 2dBm/Tone, ∆f = 1MHz, A-Grade
P
OUT
= 2dBm/Tone, ∆f = 1MHz, B-Grade
P
OUT
= 2dBm/Tone, ∆f = 1MHz, A-Grade
P
OUT
= 2dBm/Tone, ∆f = 1MHz, B-Grade
P
OUT
= 6dBm
P
OUT
= 6dBm
De-embedded to Package
De-embedded to Package
P
OUT
= 2dBm/Tone, ∆f = 1MHz, A-Grade
P
OUT
= 2dBm/Tone, ∆f = 1MHz, B-Grade
P
OUT
= 2dBm/Tone, ∆f = 1MHz, A-Grade
P
OUT
= 2dBm/Tone, ∆f = 1MHz, B-Grade
P
OUT
= 6dBm
P
OUT
= 6dBm
CONDITIONS
De-embedded to Package
P
OUT
= 2dBm/Tone, ∆f = 1MHz, A-Grade
P
OUT
= 2dBm/Tone, ∆f = 1MHz, B-Grade
P
OUT
= 2dBm/Tone, ∆f = 1MHz, A-Grade
P
OUT
= 2dBm/Tone, ∆f = 1MHz, B-Grade
P
OUT
= 6dBm
P
OUT
= 6dBm
MIN
TYP
20.9
45.9
44.8
–87.8
–85.6
–50.5
–83.0
21.8
2.7
20.9
45.0
44.0
–86.0
–84.0
–50.4
–77.4
21.7
2.8
20.8
43.9
42.9
–83.8
–81.8
–47.8
–72.6
21.8
2.9
20.8
41.9
40.9
–79.8
–77.8
–43.7
–64.0
21.6
3.0
MAX
UNITS
dB
dBm
dBm
dBc
dBc
dBc
dBc
dBm
dB
dB
dBm
dBm
dBc
dBc
dBc
dBc
dBc
dB
dB
dBm
dBm
dBc
dBc
dBc
dBc
dBm
dB
dB
dBm
dBm
dBc
dBc
dBc
dBc
dBm
dB
Frequency = 300 MHz
AC ELECTRICAL CHARACTERISTICS
Frequency = 380MHz
Frequency = 500MHz
Frequency = 600MHz
643120f
4
For more information
www.linear.com/LTC6431-20
LTC6431-20
The
l
denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at 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 without de-embedding (Note 4).
SYMBOL
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
PARAMETER
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, ∆f = 1MHz, A-Grade
P
OUT
= 2dBm/Tone, ∆f = 1MHz, B-Grade
P
OUT
= 2dBm/Tone, ∆f = 1MHz, A-Grade
P
OUT
= 2dBm/Tone, ∆f = 1MHz, B-Grade
P
OUT
= 6dBm
P
OUT
= 6dBm
De-embedded to Package
De-embedded to Package
P
OUT
= 2dBm/Tone, ∆f = 1MHz, A-Grade
P
OUT
= 2dBm/Tone, ∆f = 1MHz, B-Grade
P
OUT
= 2dBm/Tone, ∆f = 1MHz, A-Grade
P
OUT
= 2dBm/Tone, ∆f = 1MHz, B-Grade
P
OUT
= 6dBm
P
OUT
= 6dBm
De-embedded to Package
De-embedded to Package
P
OUT
= 2dBm/Tone, ∆f = 1MHz, A-Grade
P
OUT
= 2dBm/Tone, ∆f = 1MHz, B-Grade
P
OUT
= 2dBm/Tone, ∆f = 1MHz, A-Grade
P
OUT
= 2dBm/Tone, ∆f = 1MHz, B-Grade
P
OUT
= 6dBm
P
OUT
= 6dBm
CONDITIONS
De-embedded to Package
P
OUT
= 2dBm/Tone, ∆f = 1MHz, A-Grade
P
OUT
= 2dBm/Tone, ∆f = 1MHz, B-Grade
P
OUT
= 2dBm/Tone, ∆f = 1MHz, A-Grade
P
OUT
= 2dBm/Tone, ∆f = 1MHz, B-Grade
P
OUT
= 6dBm
P
OUT
= 6dBm
MIN
TYP
20.8
40.7
39.7
–77.4
–75.4
–42.1
–60.7
21.4
3.2
20.8
39.2
38.2
–74.4
–72.4
–40.5
–63.1
21.3
3.4
20.8
38.5
37.5
–73.0
–71.0
–37.1
–60.4
21.1
3.7
20.8
37.5
36.5
–71.0
–69.0
–36.9
–55.1
20.8
3.8
MAX
UNITS
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
dBc
dB
Frequency = 700 MHz
AC ELECTRICAL CHARACTERISTICS
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 LTC6431-20 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
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