Datasheet

LTC6409
6
6409fa
Typical perForMance characTerisTics
Large Signal Step Response
Overdriven Output Transient
Response
CMRR vs Frequency Differential PSRR vs Frequency Small Signal Step Response
Differential Output Voltage Noise
vs Frequency
Differential Output Impedance
vs Frequency
FREQUENCY (Hz)
VOLTAGE NOISE DENSITY (nV/√Hz)
1k 1G1M1
6409 G07
V
S
= 5V
R
I
= R
F
= 150Ω
INCLUDES R
I
/R
F
NOISE
1000
100
10
1
20ns/DIV
6409 G14
VOLTAGE (V)
4.0
0.5
3.5
2.5
1.5
3.0
2.0
1.0
0
+OUT
–OUT
V
S
= 5V
V
OCM
= 1.25V
R
LOAD
= 200Ω TO
GROUND PER
OUTPUT
FREQUENCY (MHz)
6409 G09
OUTPUT IMPEDANCE (Ω)
V
S
= 5V
R
I
= R
F
= 150Ω
1000
100
10
1
0.01
0.1
1 10010 1000 10000
1 10010 1000 10000
FREQUENCY (MHz)
6409 G10
CMRR (dB)
V
S
= 5V
V
OCM
= 1.25V
R
I
= R
F
= 150Ω, C
F
= 1.3pF
0.1% FEEDBACK NETWORK
RESISTORS
100
90
80
70
60
50
1 10010 1000 10000
FREQUENCY (MHz)
6409 G11
PSRR (dB)
V
S
= 5V
90
80
70
60
50
10
30
20
40
2ns/DIV
6409 G12
20mV/DIV
+OUT
–OUT
V
S
= 5V
V
OCM
= V
ICM
= 1.25V
R
LOAD
= 400Ω
R
I
= R
F
= 150Ω, C
F
= 1.3pF
C
L
= 0pF
V
IN
= 200mV
P-P
, DIFFERENTIAL
0.2V/DIV
2ns/DIV
6409 G13
+OUT
–OUT
V
S
= 5V
R
LOAD
= 400Ω
V
IN
= 2V
P-P
, DIFFERENTIAL
Input Noise Density vs Frequency
FREQUENCY (Hz)
INPUT VOLTAGE NOISE DENSITY (nV/√Hz)
INPUT CURRENT NOISE DENSITY (pA/√Hz)
1k 1G1M1
6409 G18
i
n
e
n
V
S
= 5V
1000
100
10
1
1000
100
10
1