Datasheet

LTC6404
10
6404f
Distortion vs Output Amplitude
LTC6404-1 Driving LTC2207
16-Bit ADC
LTC6404-1 Driving LTC2207
16-Bit ADC
Voltage Noise Density vs
Frequency
HD2, HD3 (dBc)
64041 G19
HD2
HD3
V
OUTDIFF
(V
P-P
)
–110
–30
–40
–50
–60
–70
–80
–90
–100
V
CM
= V
OCM
= MID-SUPPLY
V
S
= 3V
T
A
= 25°C
R
F
= R
I
= 100
V
IN
= SINGLE-ENDED INPUT
f
IN
= 10MHz
031524
(dB)
64041 G20
HD2
HD3
HD7
HD9
HD5
HD4
FREQUENCY (MHz)
–120
0
–20
–40
–60
–80
–100
V
CM
= V
OCM
= 1.7V
V
S
= 3.3V
R
F
= R
I
= 100
V
IN
= 2V
P-P
DIFFERENTIAL
f
SAMPLE
= 105Msps
10MHz, 4092 POINT FFT
FUNDAMENTAL = –1dBFS
HD2 = –98.8dBc
HD3 = –90.2dBc
03010 5020 40
FREQUENCY (MHz)
0.01
VOLTAGE NOISE DENSITY (nV/√Hz)
1 100 10000.1 10
64041 G22
1
10
100
V
CM
= V
OCM
= MID-SUPPLY
V
S
= 3V
T
A
= 25°C
R
F
= R
I
= 100
DIFFERENTIAL INPUT
REFERRED
COMMON MODE
(dB)
64041 G21
HD2
HD3
HD7
HD8
HD9
HD5
HD4
FREQUENCY (MHz)
–120
0
–20
–40
–60
–80
–100
V
CM
= V
OCM
= 1.5V
V
S
= 3V
R
F
= R
I
= 100
V
IN
= 2V
P-P
DIFFERENTIAL
f
SAMPLE
= 105Msps
10MHz, 65536 POINT FFT
FUNDAMENTAL = –1dBFS
HD2 = –90.7dBc
HD3 = –86.6dBc
03010 5020 40
LTC6404-1 Noise Figure vs
Frequency
FREQUENCY (MHz)
0
12
8
4
28
24
20
16
64041 G23
NOISE FIGURE (dB)
10
1000
100
V
CM
= V
OCM
= MID-SUPPLY
V
S
= 3V
T
A
= 25°C
SEE FIGURE 2 CIRCUIT
LTC6404-1 TYPICAL PERFORMANCE CHARACTERISTICS