Datasheet

LTC6412
6
6412fa
AC ELECTRICAL CHARACTERISTICS
The l denotes specifi cations that apply over the full operating
temperature range, otherwise specifi cations are at T
A
= 25°C. Typical AC electrical performance measured in demo board DC1464A
(Figure 3, Test Circuit A) unless otherwise noted. Default operating conditions are V
CC
= 3.3V, EN = 0.8V, SHDN = 2.2V, +V
G
tied to V
REF
(negative gain slope mode), and Z
SOURCE
= Z
LOAD
= 50Ω unless otherwise noted.
SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
IM3 Third-Order Intermodulation f
1
= 139.5MHz, f
2
= 140.5MHz,
P
OUT
= –6dBm/Tone, –V
G
= 0V to 1.0V
–88 dBc
OIP3 Output Third-Order Intercept f
1
= 139.5MHz, f
2
= 140.5MHz,
P
OUT
= –6dBm/Tone, –V
G
= 0V to 1.0V
38 dBm
P1dB
GMAX
Output 1dB Compression Point at Max Gain –V
G
= 0V (Note 6) 13 dBm
NF
GMAX
Noise Figure at Maximum Gain –V
G
= 0V (Note 5) 10 dB
NF
GMIN
Noise Figure at Minimum Gain –V
G
= 1.2V (Note 5) 42 dB
240MHz Signal
G
MAX
Maximum Gain –V
G
= 0V, Test Circuit B 17 dB
G
MIN
Minimum Gain –V
G
= 1.2V, Test Circuit B –14 dB
G
RANGE
Gain Range G
MAX
-G
MIN
31 dB
HD2 Second Harmonic Distortion P
OUT
= 0dBm, –V
G
= 0V to 1.0V –70 dBc
HD3 Third Harmonic Distortion P
OUT
= 0dBm, –V
G
= 0V to 1.0V –70 dBc
IM3 Third-Order Intermodulation f
1
= 239.5MHz, f
2
= 240.5MHz,
P
OUT
= –6dBm/Tone, –V
G
= 0V to 1.0V
–82 dBc
OIP3 Output Third-Order Intercept f
1
= 239.5MHz, f
2
= 240.5MHz,
P
OUT
= –6dBm/Tone, –V
G
= 0V to 1.0V
35 dBm
P1dB
GMAX
Output 1dB Compression Point at Max Gain –V
G
= 0V (Note 6) 12 dBm
NF
GMAX
Noise Figure at Maximum Gain –V
G
= 0V (Note 5) 10 dB
NF
GMIN
Noise Figure at Minimum Gain –V
G
= 1.2V (Note 5) 42 dB
280MHz/320MHz Signal
G
MAX
Maximum Gain f = 320MHz, P
OUT
= –3dBm, –V
G
= 0V 16.9 dB
G
MID
Medium Gain f = 320MHz, P
OUT
= –5dBm, –V
G
= 0.6V 1.5 dB
G
MIN
Minimum Gain f = 320MHz, P
OUT
= –5dBm, –V
G
= 1.2V –14.2 dB
G
RANGE
Gain Range 320MHz, G
MAX
-G
MIN
29.7 31.1 32.5 dB
IM3
GMAX
Third-Order Intermodulation at Max Gain f
1
= 280MHz, f
2
= 320MHz,
P
OUT
= –3dBm/Tone, –V
G
= 0V
–72 dBc
IM3
GMID
Third-Order Intermodulation at Mid Gain f
1
= 280MHz, f
2
= 320MHz,
P
OUT
= –5dBm/Tone, –V
G
= 0.6V
–71 –65 dBc
IM3
GMIN
Third-Order Intermodulation at Min Gain f
1
= 280MHz, f
2
= 320MHz,
P
OUT
= –5dBm/Tone, –V
G
= 1.2V
–56 dBc
OIP3
GMAX
Output Third-Order Intercept at Max Gain f
1
= 280MHz, f
2
= 320MHz,
P
OUT
= –3dBm/Tone, –V
G
= 0V
31.0 dBm
OIP3
GMID
Output Third-Order Intercept at Mid Gain f
1
= 280MHz, f
2
= 320MHz,
P
OUT
= –5dBm/Tone, –V
G
= 0.6V
26.0 30.5 dBm
OIP3
GMIN
Output Third-Order Intercept at Min Gain f
1
= 280MHz, f
2
= 320MHz,
P
OUT
= –5dBm/Tone, –V
G
= 1.2V
23.0 dBm