Datasheet

LTC6404
13
6404f
Distortion vs Output Amplitude
LTC6404-2 Driving LTC2207
16-Bit ADC (Single Tone)
LTC6404-2 Driving LTC2207
16-Bit ADC (Two Tones)
Voltage Noise Density vs
Frequency
LTC6404-2 Noise Figure vs
Frequency
LTC6404-2 TYPICAL PERFORMANCE CHARACTERISTICS
HD2, HD3 (dBc)
64042 G19
HD2
HD3
V
OUTDIFF
(V
P-P
)
–120
–40
–50
–60
–70
–80
–90
–100
–110
V
S
= 3V
V
CM
= V
OCM
= MID-SUPPLY
R
I
= 100Ω, R
F
= 200Ω
V
IN
= SINGLE-ENDED INPUT
f
IN
= 10MHz
0316245
(dB)
64042 G20
HD2
HD3
HD7
HD5
HD4
FREQUENCY (MHz)
–120
0
–20
–40
–60
–80
–100
V
S
= 3.3V
V
OUTDIFF
= 2V
P-P
V
CM
= V
OCM
= 1.25V
R
I
= 1007, R
F
= 2007
10.1MHz, 16184 POINT FFT
f
SAMPLE
= 105Msps
FUNDAMENTAL = –1dBFS
HD2 = –92.4dBc
HD3 = –93.02dBc
03010 5020 40
(dB)
64042 G21
IM3L
IM3U
FREQUENCY (MHz)
–120
0
–20
–40
–60
–80
–100
V
S
= 3.3V
V
INDIFF
= 1V
P-P
FULLY DIFFERENTIAL
V
OUTDIFF
= 2V
P-P
V
CM
= V
OCM
= 1.25V
R
I
= 100Ω, R
F
= 200Ω
16184 POINT FFT
f
SAMPLE
= 105Msps
TONE1, TONE2 = –7dBFS
IM3U = –106.8dBc
IM3L = –107.7dBc
03010 5020 40
FREQUENCY (MHz)
0.01
VOLTAGE NOISE DENSITY (nV/√Hz)
1 100 10000.1 10
64042 G22
1
10
100
V
S
= 3V
V
CM
= V
OCM
= MID-SUPPLY
R
I
= 100, R
F
= 200
T
A
= 25°C
DIFFERENTIAL INPUT
REFERRED
COMMON MODE
FREQUENCY (MHz)
0
12
8
4
28
24
20
16
64042 G23
NOISE FIGURE (dB)
10
1000
100
V
CM
= V
OCM
= MID-SUPPLY
V
S
= 3V
T
A
= 25°C
SEE FIGURE 2 CIRCUIT