ltc2195 Linear Technology Corporation, ltc2195 Datasheet - Page 9

• 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
–1.0
–2.0
–3.0
–4.0
–10
–20
–30
–40
–50
–60
–70
–80
–90
–10
–20
–30
–40
–50
–60
–70
–80
–90
4.0
3.0
2.0
1.0
0
0
0
0
0
0
LTC2195: Integral
Nonlinearity (INL)
LTC2195: 64k Point FFT,
f
LTC2195: 64k Point 2-Tone FFT,
f
125Msps
IN
IN
= 30MHz, –1dBFS, 125Msps
= 69MHz, 70MHz, –7dBFS,
10
10
16384
20
20
FREQUENCY (MHz)
FREQUENCY (MHz)
OUTPUT CODE
32768
30
30
40
40
49152
50
50
219543 G01
219543 G04
219543 G07
60
60
65536
10000
–100
–110
–120
9000
8000
7000
6000
3000
2000
1000
5000
4000
–0.2
–0.4
–0.6
–0.8
–1.0
–50
–60
–70
–80
–90
–10
–20
–30
–40
1.0
0.8
0.6
0.4
0.2
0
0
0
32750
0
0
LTC2195: Shorted Input Histogram
LTC2195: Differential
Nonlinearity (DNL)
LTC2195: 64k Point FFT,
f
IN
= 70MHz, –1dBFS, 125Msps
10
32756
16384
20
FREQUENCY (MHz)
OUTPUT CODE
OUTPUT CODE
32762
32768
30
32768
40
49152
32774
50
219543 G02
219543 G05
219543 G08
60
65536
LTC2194/LTC2193
–100
–110
–120
–100
–110
–120
–50
–60
–70
–80
–90
–50
–60
–70
–80
–90
–10
–20
–30
–40
–10
–20
–30
–40
78
77
76
75
74
73
72
71
70
0
0
0
0
0
LTC2195: 64k Point FFT,
f
LTC2195: SNR vs Input Frequency,
–1dBFS, 125Msps, 2V Range
LTC2195: 64k Point FFT,
f
IN
IN
= 5MHz, –1dBFS, 125Msps
= 140MHz, –1dBFS, 125Msps
10
10
50
INPUT FREQUENCY (MHz)
20
20
100
FREQUENCY (MHz)
FREQUENCY (MHz)
DIFFERENTIAL
30
30
150
LTC2195
ENCODE
SINGLE-ENDED
ENCODE
40
40
200
50
50
250
219543 G09
219543 G03
219543 G06
219543p
60
60
9
300