LTC6401-8
6
64018f
TIME (ns)
0
INPUT
VOLTAGE
(V)
4
–4
–2
2
0
–6
–3
–1
3
1
–5
50
75
25
100
125
64018 G10
RL = 87.5Ω PER OUTPUT
+OUT
–OUT
–IN
+IN
OUTPUT
VOLTAGE
(V)
5.0
4.0
4.5
3.0
1.0
3.5
1.5
2.5
2.0
0.5
0
TEST CIRCUIT B
TIME (ns)
0
SETTLING
(%)
5
4
3
2
1
–4
–3
–2
–1
–5
0
12
4
3
5
64018 G11
RL = 87.5Ω PER OUTPUT
TEST CIRCUIT B
TIME (ns)
0
OUTPUT
VOLTAGE
(V)
2.5
0.5
1.0
2.0
1.5
0
4
8
12
16
20
64018 G09
–OUT
+OUT
RL = 87.5Ω PER OUTPUT
TEST CIRCUIT B
TIME (ns)
0
OUTPUT
VOLTAGE
(V)
1.35
1.20
1.25
1.30
1.15
2468
10
64018 G08
–OUT
+OUT
RL = 87.5Ω PER OUTPUT
TEST CIRCUIT B
FREQUENCY (MHz)
10
NOISE
FIGURE
(dB)
20
12
14
10
16
18
INPUT
REFERRED
NOISE
VOLTAGE
(nV/
√
Hz)
5
4
2
0
3
1
100
1000
64018 G07
NOISE FIGURE
EN
FREQUENCY (MHz)
10
S
PARAMETERS
(dB)
0
–10
–20
–30
–40
–50
–60
–70
–80
100
1000
3000
64018 G04
S11
S22
S12
TEST CIRCUIT B
TYPICAL PERFORMANCE CHARACTERISTICS
Input and Output Reection and
Reverse Isolation vs Frequency
Input and Output Impedance vs
Frequency
PSRR and CMRR vs Frequency
Noise Figure and Input Referred
Noise Voltage vs Frequency
Small Signal Transient Response
Large Signal Transient Response
Overdrive Recovery Response
1% Settling Time for 2V
Output Step
Harmonic Distortion vs Frequency
FREQUENCY (MHz)
10
IMPEDANCE
MAGNITUDE
(Ω
)
500
250
200
350
300
450
400
150
100
50
0
PHASE
(DEGREES)
100
60
80
20
–60
40
–40
0
–20
–80
–100
100
1000
64018 G05
ZIN
ZOUT
ZIN
ZOUT
PHASE
IMPEDANCE MAGNITUDE
FREQUENCY (MHz)
1
PSRR,
CMRR
(dB)
80
70
60
50
40
30
0
10
20
10
100
1000
64018 G06
PSRR
CMRR
FREQUENCY (MHz)
0
100
HARMONIC
DISTORTION
(dBc)
–40
–50
–60
–80
–90
–70
–110
–100
120 140 160 180
20 40 60 80
200
64018 G12
HD2 NO RL
HD2 200
Ω RL
HD3 NO RL
HD3 200
Ω RL
DIFFERENTIAL INPUT
VOUT = 2VP-P