ltc2195 Linear Technology Corporation, ltc2195 Datasheet - Page 11

• Manufacturer Part Number: ltc2195
• Description: Ltc2195/ltc2194/ltc2193 - 16-bit, 125/105/80msps Low Power Dual Adcs
• Manufacturer: Linear Technology Corporation

TYPICAL PERFORMANCE CHARACTERISTICS
–100
–110
–120
–100
–110
–120
–10
–20
–30
–40
–50
–60
–70
–80
–90
–10
–20
–30
–40
–50
–60
–70
–80
–90
100
95
90
85
80
75
70
65
0
0
0
0
0
LTC2194: 64k Point FFT,
f
LTC2194: 64k Point 2-Tone FFT,
f
105Msps
LTC2194: 2nd, 3rd Harmonic
vs Input Frequency, –1dBFS,
105Msps, 2V Range
IN
IN
= 30MHz, –1dBFS, 105Msps
= 69MHz, 70MHz, –7dBFS,
50
10
10
INPUT FREQUENCY (MHz)
100
FREQUENCY (MHz)
FREQUENCY (MHz)
20
20
150
30
30
2ND
200
3RD
40
40
250
219543 G19
219543 G22
219543 G25
50
50
300
10000
9000
8000
7000
6000
3000
2000
1000
–100
–110
–120
5000
4000
100
–10
–20
–30
–40
–50
–60
–70
–80
–90
95
90
85
80
75
70
65
32790
0
0
0
0
LTC2194: 64k Point FFT,
f
LTC2194: Shorted Input Histogram
LTC2194: 2nd, 3rd Harmonic
vs Input Frequency, –1dBFS,
105Msps, 1V Range
IN
= 70MHz, –1dBFS, 105Msps
50
32796
10
INPUT FREQUENCY (MHz)
100
FREQUENCY (MHz)
OUTPUT CODE
20
32802
150
2ND
30
32808
200
3RD
40
32814
250
219543 G20
219543 G23
219543 G26
50
300
LTC2194/LTC2193
–100
–110
–120
–10
–20
–30
–40
–50
–60
–70
–80
–90
130
120
110
100
78
77
76
75
74
73
72
71
70
90
80
70
60
50
40
30
20
0
–80
0
0
LTC2194: 64k Point FFT,
f
LTC2194: SNR vs Input Frequency,
–1dBFS, 105Msps, 2V Range
LTC2194: SFDR vs Input Level,
f
IN
IN
= 70MHz, 105Msps, 2V Range
= 140MHz, –1dBFS, 105Msps
–70 –60 –50 –40 –30 –20 –10
50
10
INPUT FREQUENCY (MHz)
INPUT LEVEL (dBFS)
100
FREQUENCY (MHz)
20
SINGLE-ENDED
DIFFERENTIAL
ENCODE
150
LTC2195
ENCODE
30
200
dBFS
40
dBc
250
11
219543 G21
219543 G24
219543 G27
219543p
50
300
0