Datasheet

LTC2207-14/LTC2206-14
12
220714614fc
FREQUENCY (MHz)
0
AMPLITUDE (dBFS)
–70
–30
0
2207614 G45
–90
–110
–80
–50
–10
–20
–40
–60
–100
–120
10
20
30
40
FREQUENCY (MHz)
0
AMPLITUDE (dBFS)
–70
–30
0
2207614 G44
–90
–110
–80
–50
–10
–20
–40
–60
–100
–120
10
20
30
40
FREQUENCY (MHz)
0
AMPLITUDE (dBFS)
–70
–30
0
2207614 G42
–90
–110
–80
–50
–10
–20
–40
–60
–100
–120
10
20
30
40
LTC2206-14: 32K Point 2-Tone FFT, f
IN
= 69.2MHz and 76.5MHz, –15dBFS,
PGA = 0, RAND = “On”, Dither “Off”
LTC2206-14: 64K Point FFT, f
IN
= 70.1MHz, –25dBFS, PGA = 0,
RAND = “On”, Dither “Off”
LTC2206-14: 64K Point FFT, f
IN
= 70.1MHz, –25dBFS, PGA = 0,
RAND = “On”, Dither “On”
TYPICAL PERFORMANCE CHARACTERISTICS
INPUT FREQUENCY (MHz)
0
60
SFDR (dBc)
65
75
80
85
400
105
2207614 G50
70
200
100
300 500
90
95
100
PGA = 1
PGA = 0
INPUT LEVEL (dBFS)
–80 –70
SFDR (dBc AND dBFS)
80
100
120
–40 –20
2207614 G48
60
40
–60 –50
–30 –10 0
20
0
FREQUENCY (MHz)
0
AMPLITUDE (dBFS)
–70
–30
0
2207614 G47
–90
–110
–80
–50
–10
–20
–40
–60
–100
–120
10
20
30
40
FREQUENCY (MHz)
0
AMPLITUDE (dBFS)
–70
–30
0
2207614 G46
–90
–110
–80
–50
–10
–20
–40
–60
–100
–120
10
20
30
40
LTC2206-14: 32K Point FFT, f
IN
=
170.21MHz, –1dBFS, PGA = 1,
RAND = “On”, Dither “Off”
LTC2206-14: 32K Point FFT, f
IN
=
250.11MHz, –1dBFS, PGA = 1,
RAND = “On”, Dither “Off”
LTC2206-14: SFDR vs Input Level,
f
IN
= 140.1MHz, PGA = 1,
RAND = “On”, Dither “Off”
LTC2206-14: SFDR vs Input Level,
f
IN
= 140.1MHz, PGA = 1,
RAND = “On”, Dither “On”
LTC2206-14: SFDR (HD2 and
HD3) vs Input Frequency
LTC2206-14: SNR vs Input
Frequency, RAND = “On”,
DITH = “On”
INPUT LEVEL (dBFS)
–80 –70
SFDR (dBc AND dBFS)
80
100
120
–40 –20
2207614 G49
60
40
–60 –50
–30 –10 0
20
0
INPUT FREQUENCY (MHz)
0
70
SNR (dBFS)
71
73
74
75
200
400
500
79
2207614 G51
72
100 300
76
77
78
PGA = 0
PGA = 1