Datasheet

LTC6404
15
6404f
Small-Signal Frequency Response
vs Gain Setting Resistor Values
Small-Signal Frequency
Response vs C
LOAD
Small-Signal Frequency
Response vs Temperature
Small-Signal Frequency
Response vs Temperature Large-Signal Step Response Small-Signal Step Response
Distortion vs Frequency
Distortion vs Input Common Mode
Voltage Distortion vs Output Amplitude
LTC6404-4 TYPICAL PERFORMANCE CHARACTERISTICS
FREQUENCY (MHz)
10
GAIN (dB)
100 1000
64044 G10
–15
–5
–10
0
5
10
15
20
V
CM
= V
OCM
= MID-SUPPLY
V
S
= 3V AND V
S
= 5V
R
I
= 100Ω, R
F
= 402Ω
R
I
= 200Ω, R
F
= 800
V
S
= 3V
V
S
= 5V
R
I
= 140Ω, R
F
= 562Ω
FREQUENCY (MHz)
10
GAIN (dB)
100 1000
64044 G11
–15
–10
–5
0
5
25
10
15
20
C
LOAD
= 0pF
C
LOAD
= 10pF
V
CM
= V
OCM
= MID-SUPPLY
R
I
= 100Ω, R
F
= 402Ω
V
S
= 3V AND V
S
= 5V
V
S
= 3V
V
S
= 5V
C
LOAD
= 5pF
FREQUENCY (MHz)
–15
0
–5
–10
20
15
10
5
64044 G12
GAIN (dB)
10
1000
100
V
CM
= V
OCM
= MID-SUPPLY
R
I
= 100Ω, R
F
= 402Ω
V
S
= 3V AND V
S
= 5V
T
A
= 90°C
T
A
= 25°C
T
A
= –45°C
FREQUENCY (MHz)
10
FILTERED GAIN (dB)
100 1000
64044 G13
–20
–25
–10
–15
–5
0
5
10
15
20
T
A
= 90°C
V
CM
= V
OCM
= MID-SUPPLY
R
I
= 100Ω, R
F
= 402Ω
V
S
= 3V
UNFILTERED DIFFERENTIAL
OUTPUT AT 25°C
FILTERED
DIFFERENTIAL OUTPUT
T
A
= –45°C
T
A
= 25°C
TIME (ns)
0
V
OUTDIFF
(OUT
+
– OUT
–
) (V)
0.5
1.5
2.5
12
64044 G14
–0.5
–1.5
0
1.0
2.0
–1.0
–2.0
–2.5
3
6
9
15
V
OUTDIFF
V
INDIFF
V
CM
= V
OCM
= MID-SUPPLY
V
S
= 3V
R
I
= 100Ω, R
F
= 402Ω
TIME (ns)
0
–0.75
VOUTDIFF (OUT
+
– OUT
–
) (V)
–0.50
–0.25
0
0.25
0.50
0.75
36912
64044 G15
15
V
OUTDIFF
V
INDIFF
V
CM
= V
OCM
= MID-SUPPLY
V
S
= 3V
R
I
= 100Ω, R
F
= 402Ω
FREQUENCY (MHz)
0.1
–100
HD2, HD3 (dBc)
–90
–80
–70
–60
1 10 100
64044 G16
–110
–120
–130
–50
–40
V
CM
= V
OCM
= MID-SUPPLY
V
S
= 3V
V
OUT
= 2V
P-P
R
I
= 100, R
F
= 402
DIFFERENTIAL INPUT
SINGLE-ENDED INPUT
HD2
HD2
HD3
HD3
DC COMMON MODE INPUT (AT IN
+
AND IN
–
PINS) (V)
0
HD2, HD3 (dBc)
–90
–80
–70
1.5
2.5
64044 G17
–100
–110
–120
0.5 1.0 2.0
–60
–50
–40
V
CM
= V
OCM
= MID-SUPPLY
V
S
= 3V
R
I
= 100, R
F
= 402
f
IN
= 10MHz
DIFFERENTIAL INPUT
SINGLE-ENDED INPUT
HD2
HD2
HD3
HD3
V
OUTDIFF
(V
P-P
)
0
HD2, HD3 (dBc)
–90
–80
–70
3
5
64044 G18
–100
–110
–120
12 4
–60
–50
–40
6
V
CM
= V
OCM
= MID-SUPPLY
V
S
= 3V
R
I
= 100, R
F
= 402
f
IN
= 10MHz
DIFFERENTIAL INPUT
SINGLE-ENDED INPUT
HD2
HD2
HD3
HD3