LTC6404 Linear Technology, LTC6404 Datasheet - Page 12

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

w w w . D a t a S h e e t 4 U . c o m
LTC6404
LTC6404-2 TYPICAL PERFORMANCE CHARACTERISTICS
12
–120
–130
–140
–100
–110
–10
–20
–25
–10
–15
–20
–25
–30
–50
–60
–70
–80
–40
–90
15
10
–5
15
10
–5
5
0
5
0
0.1
10
10
Distortion vs Frequency
Small-Signal Frequency Response
vs Gain Setting Resistor Values
Small-Signal Frequency
Response vs Temperature
UNFILTERED OUTPUTS
V
T
V
UNFILTERED DIFFERENTIAL
V
R
V
V
V
V
R
A
CM
S
CM
I
S
CM
S
OUTDIFF
F
DIFFERENTIAL
= 100Ω, R
= 25°C
= 3V AND V
= 3V
= 100Ω, R
= 3V
R
= V
= V
= V
DIFFERENTIAL INPUT
SINGLE-ENDED INPUT
I
V
V
= 200Ω, R
FILTERED
OCM
OCM
HD3
HD3
HD2
HD2
S
S
OUTPUT
OCM
= 2V
= 3V
= 5V
R
I
= MID-SUPPLY
FREQUENCY (MHz)
= MID-SUPPLY
FREQUENCY (MHz)
F
FREQUENCY (MHz)
= MID-SUPPLY
I
= 100Ω, R
1
= 200Ω
P-P
S
= 200Ω
R
= 5V
F
I
= 499Ω, R
OUTPUT
= 402Ω
100
100
F
= 200Ω
T
A
T
T
T
A
A
= 25°C
F
10
A
= –45°C
= 90°C
= 1k
= 25°C
64042 G10
64042 G13
64042 G16
1000
1000
100
–100
–110
–0.5
–1.0
–1.5
–10
–15
–40
–50
–60
–70
–80
–90
1.5
1.0
0.5
25
20
15
10
–5
DC COMMON MODE INPUT (AT IN
5
0
0
10
0
0
Distortion vs Input Common Mode
Voltage
Small-Signal Frequency
Response vs C
Large-Signal Step Response
UNFILTERED OUTPUTS
V
T
R
V
R
(EACH OUTPUT TO GROUND)
V
V
R
V
f
V
R
IN
CM
A
S
I
LOAD
CM
S
CM
I
IN
I
= 100Ω, R
= 100Ω, R
= 100Ω, R
= 25°C
= 3V AND V
= 3V
= 10MHz
= 1V
= V
= V
= V
DIFFERENTIAL INPUT
SINGLE-ENDED INPUT
= 200Ω,
0.5
3
OCM
OCM
OCM
P-P
HD2
= MID-SUPPLY
F
FREQUENCY (MHz)
= MID-SUPPLY
= MID-SUPPLY
F
F
= 200Ω
S
= 200Ω
= 200Ω
HD3
= 5V
1.0
C
6
TIME (ns)
LOAD
LOAD
100
C
= 5pF
LOAD
1.5
C
9
LOAD
+
= 10pF
AND IN
V
V
= 0pF
OUTDIFF
INDIFF
HD2
2.0
12
–
64042 G11
64042 G14
64042 G17
PINS) (V)
HD3
1000
2.5
15
–0.25
–0.50
–0.75
–1.00
–100
–110
–120
1.00
0.75
0.50
0.25
–10
–15
–40
–50
–60
–70
–80
–90
15
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
T
R
V
R
(EACH OUTPUT TO GROUND)
V
R
V
V
R
V
f
CM
A
S
IN
I
LOAD
CM
I
S
CM
IN
I
= 100Ω, R
= 25°C
= 100Ω, R
= 3V AND V
= 100Ω, R
= 3V
= 10MHz
= DIFFERENTIAL INPUT
= V
= V
= V
1
= 200Ω,
OCM
3
OCM
OCM
= MID-SUPPLY
F
FREQUENCY (MHz)
= MID-SUPPLY
F
= MID-SUPPLY
F
= 200Ω
S
2
= 200Ω
= 200Ω
V
= 5V
OUTDIFF
6
TIME (ns)
100
3
T
(V
A
9
= 25°C
P-P
T
)
HD3
4
A
= 90°C
T
V
V
A
12
OUTDIFF
INDIFF
= –45°C
5
HD2
64042 G15
64042 G12
64042 G18
6404f
1000
15
6