Datasheet

LTC1407-1/LTC1407A-1
6
14071fb
TYPICAL PERFORMANCE CHARACTERISTICS
SNR vs Input Frequency
ENOBs and SINAD
vs Input Sinewave Frequency
for Differential Input Signals
THD, 2nd and 3rd
vs Input Frequency for
Differential Input Signals
SFDR vs Input Frequency for
Differential Input Signals
98kHz Sine Wave 4096 Point
FFT Plot
748kHz Sine Wave 4096 Point
FFT Plot
ENOBs and SINAD
vs Input Sinewave Frequency
THD, 2nd and 3rd
vs Input Frequency SFDR vs Input Frequency
V
DD
= 3V, T
A
= 25°C. Single-ended signals drive
+CH0/+CH1 with –CH0/–CH1 = 1.5V DC, differential signals drive both inputs with V
CM
= 1.5V DC (LTC1407A-1)
FREQUENCY (MHz)
0.1
10.0
ENOBs (BITS)
SINAD (dB)
11.0
12.0
1 10 100
14071 G01
9.0
9.5
10.5
11.5
8.5
8.0
62
68
74
56
59
65
71
53
50
FREQUENCY (MHz)
0.1
–80
THD, 2ND, 3RD (dB)
–74
–68
–62
–56
1 10 100
14071 G02
–86
–92
–98
–104
–50
–44
THD
3RD
2ND
FREQUENCY (MHz)
0.1
62
SNR (dB)
56
50
1 10 100
14071 G04
68
65
59
53
71
74
FREQUENCY (MHz)
0.1
10.0
ENOBs (BITS)
SINAD (dB)
11.0
12.0
1 10 100
14071 G05
9.0
9.5
10.5
11.5
8.5
8.0
62
68
74
56
59
65
71
53
50
FREQUENCY (MHz)
0.1
68
SFDR (dB)
56
44
1 10 100
14071 G03
80
74
62
50
86
92
98
104
FREQUENCY (MHz)
0.1
–80
THD, 2nd, 3rd (dB)
–74
–68
–62
–56
11020
14071 G06
–86
–92
–98
–104
–50
–44
THD
3RD
2ND
FREQUENCY (MHz)
0.1
68
SFDR (dB)
56
44
1 10 100
14071 G07
80
74
62
50
86
92
98
104
FREQUENCY (kHz)
MAGNITUDE (dB)
–60
–30
–20
14071 G08
–70
–80
–120
–100
0
–10
–40
–50
–90
–110
0
200 400100 300 600500 700
FREQUENCY (kHz)
0
MAGNITUDE (dB)
–60
–30
–20
14071 G09
–70
–80
–120
200 400100 300 600500 700
–100
0
–10
–40
–50
–90
–110