LTC6404 Linear Technology, LTC6404 Datasheet - Page 9

• Manufacturer Part Number: LTC6404
• Description: High Precision Fully Differential Input/Output Amplifier/Driver
• Manufacturer: Linear Technology

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LTC6404-1 TYPICAL PERFORMANCE CHARACTERISTICS
–100
–110
–120
–10
–15
–20
–25
–30
–10
–15
–20
–25
–30
–35
–40
–50
–60
–70
–80
–90
–5
–5
5
0
5
0
0.1
10
10
Small-Signal Frequency Response
vs Gain Setting Resistor Values
and Supply Voltage
Small-Signal Frequency
Response vs Temperature
Distortion vs Frequency
UNFILTERED OUTPUTS
V
T
V
UNFILTERED DIFFERENTIAL
OUTPUT
FILTERED OUTPUT
V
R
V
V
V
V
R
CM
A
S
CM
S
F
CM
S
OUTDIFF
F
= 25°C
= R
= 3V AND V
= 3V AND V
= 3V
= R
= V
= V
= V
DIFFERENTIAL INPUT
SINGLE-ENDED INPUT
I
I
= 100Ω
V
V
OCM
OCM
= 100Ω
OCM
HD3
S
S
HD2
= 2V
= 3V
= 5V
R
DIFFERENTIAL
F
= MID-SUPPLY
FREQUENCY (MHz)
= MID-SUPPLY
FREQUENCY (MHz)
FREQUENCY (MHz)
= MID-SUPPLY
1.0
P-P
= R
S
S
R
HD3
= 5V
= 5V
F
FILTERED
I
OUTPUT
= R
= 100Ω
100
100
I
R
= 200Ω
F
= R
T
T
A
T
A
T
A
= 25°C
I
10
= –45°C
A
= 499Ω
= 90°C
= 25°C
HD2
64041 G16
64041 G10
64041 G13
1000
1000
100
–100
–110
–0.5
–1.0
–1.5
–10
–15
–20
–40
–50
–60
–70
–80
–90
1.5
1.0
0.5
10
–5
DC COMMON MODE INPUT (AT IN
5
0
0
10
0
0
Small-Signal Frequency
Response vs C
Large-Signal Step Response
Distortion vs Input Common Mode
Voltage
V
R
V
f
HD3
UNFILTERED OUTPUTS
V
T
R
V
R
(EACH OUTPUT TO GROUND)
IN
CM
A
S
S
F
IN
F
LOAD
= R
= 25°C
= R
= 3V
= 10MHz
= 3V AND V
= 2V
= V
0.5
I
I
V
= 200Ω,
DIFFERENTIAL
INPUT
SINGLE-ENDED
INPUT
= 100Ω
= 100Ω
3
OCM
INDIFF
P-P
HD2
= MID-SUPPLY
FREQUENCY (MHz)
1.0
S
= 5V
V
R
6
TIME (ns)
CM
F
V
LOAD
C
HD3
= R
OUTDIFF
LOAD
100
1.5
C
= V
LOAD
I
= 100Ω
OCM
= 5pF
9
HD2
C
= 10pF
LOAD
2.0
+
= MID-SUPPLY
AND IN
= 0pF
12
2.5
–
64041 G14
64041 G17
64041 G11
PINS) (V)
1000
3.0
15
–0.25
–0.50
–100
–110
0.50
0.25
–10
–15
–20
–30
–40
–50
–60
–70
–80
–90
10
–5
5
0
0
10
0
0
Small-Signal Frequency
Response vs Temperature
Small-Signal Step Response
Distortion vs Output Amplitude
UNFILTERED OUTPUTS
V
R
V
V
V
T
C
R
V
f
V
IN
A
CM
F
S
CM
S
F
F
IN
INDIFF
= R
= 25 C
= 0pF
= R
= 3V AND V
= 3V
= 10MHz
= FULLY DIFFERENTIAL INPUT
= V
= V
1
I
I
= 100Ω
= 100
3
OCM
OCM
V
= MID-SUPPLY
FREQUENCY (MHz)
= MID-SUPPLY
OUTDIFF
2
S
V
OUTDIFF
= 5V
HD3
HD2
V
R
6
TIME (ns)
CM
F
= R
T
100
LTC6404
A
= V
3
= 25°C
I
(V
= 100Ω
OCM
P-P
9
)
4
= MID-SUPPLY
T
T
A
A
= 90°C
= –45°C
12
5
64041 G12
64041 G15
64041 G18
9
6404f
1000
15
6