Datasheet

LTC6400-14
7
640014fb
FREQUENCY (MHz)
10
NOISE FIGURE (dB)
15
10
12
14
6
8
5
11
13
7
9
INPUT REFERRED NOISE VOLTAGE (nV/√Hz)
5.0
4.0
2.0
3.0
1.0
0
4.5
2.5
3.5
1.5
0.5
100 1000
640014 G07
NOISE FIGURE
EN
R
L
= 87.5Ω PER OUTPUT
TEST CIRCUIT B
TIME (ns)
0246810
OUTPUT VOLTAGE (V)
1.35
1.30
1.20
1.25
1.15
640014 G08
–OUT
+OUT
TIME (ns)
0246810
OUTPUT VOLTAGE (V)
2.50
2.00
0.50
1.50
1.00
0.00
640014 G09
–OUT
+OUT
R
L
= 87.5Ω PER OUTPUT
TEST CIRCUIT B
FREQUENCY (MHz)
10
IMPEDANCE MAGNITUDE (Ω)
250
200
150
100
50
225
175
125
75
25
0
PHASE (DEGREES)
100
60
20
–20
–60
80
40
0
–40
–80
–100
100 1000
640014 G05
Z
IN
Z
OUT
Z
IN
Z
OUT
PHASE
IMPEDANCE MAGNITUDE
FREQUENCY (MHz)
0 200 400 600 800 1000
PHASE (DEGREE)
GROUP DELAY (ns)
0 0.4
0.2
–50
–150
–100
–200 0.0
640014 G03
TEST CIRCUIT B
PHASE
GROUP DELAY
FREQUENCY (MHz)
10 100 1000 3000
GAIN (dB)
20
18
16
14
12
10
8
6
4
2
0
640014 G01
TEST CIRCUIT B
TYPICAL PERFORMANCE CHARACTERISTICS
Frequency Response Gain 0.1dB Flatness
S21 Phase and Group Delay vs
Frequency
Input and Output Refl ection and
Reverse Isolation vs Frequency
Input and Output Impedance vs
Frequency PSRR and CMRR vs Frequency
FREQUENCY (MHz)
10 100 1000 3000
GAIN FLATNESS (dB)
1
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
–0.1
–0.2
–0.3
–0.4
–0.5
–0.6
–0.7
–0.8
–0.9
0
–1
640014 G02
TEST CIRCUIT B
Noise Figure and Input Referred
Noise Voltage vs Frequency Small Signal Transient Response Large Signal Transient Response
FREQUENCY (MHz)
10 100 1000
S PARAMETERS (dB)
0
–10
–20
–30
–50
–70
–60
–40
–80
640014 G04
S11
S22
S11
FREQUENCY (MHz)
1
PSRR, CMRR (dB)
80
70
60
50
40
30
0
10
20
10 100 1000
640014 G06
PSRR
CMRR