ltc2195 Linear Technology Corporation, ltc2195 Datasheet - Page 10

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

LTC2195
LTC2194/LTC2193
TYPICAL PERFORMANCE CHARACTERISTICS
10
–1.0
–2.0
–3.0
–4.0
100
230
220
210
200
190
180
170
160
4.0
3.0
2.0
1.0
95
90
85
80
75
70
65
0
0
0
LTC2194: Integral
Nonlinearity (INL)
0
LTC2195: 2nd, 3rd Harmonic
vs Input Frequency, –1dBFS,
125Msps, 2V Range
LTC2195: I
5MHz, –1dBFS Sine Wave Input
50
25
16384
INPUT FREQUENCY (MHz)
SAMPLE RATE (Msps)
100
VDD
OUTPUT CODE
50
vs Sample Rate,
32768
150
2ND
75
200
49152
3RD
100
250
219543 G10
219543 G13
219543 G16
65536
300
125
–0.2
–0.4
–0.6
–0.8
–1.0
100
1.0
0.8
0.6
0.4
0.2
95
90
85
80
75
70
65
15
45
35
25
0
0
0
0
LTC2195: 2nd, 3rd Harmonic
vs Input Frequency, –1dBFS,
125Msps, 1V Range
LTC2194: Differential
Nonlinearity (DNL)
0
LTC2195: I
5MHz, –1dBFS Sine Wave Input
2-LANE, 3.5mA
50
25
16384
INPUT FREQUENCY (MHz)
SAMPLE RATE (Msps)
100
OVDD
OUTPUT CODE
4-LANE, 3.5mA
50
1-LANE, 1.75mA
32768
150
vs Sample Rate,
2ND
1-LANE, 3.5mA
4-LANE, 1.75mA
75
200
2-LANE, 1.75mA
49152
3RD
100
250
219543 G11
219543 G14
219543 G17
65536
300
125
–100
–110
–120
130
120
110
100
–10
–20
–30
–40
–50
–60
–70
–80
–90
90
80
70
60
50
40
30
20
78
77
76
75
74
73
72
71
70
0
–80
0.6
0
LTC2195: SFDR vs Input Level,
f
LTC2195: SNR vs SENSE,
f
LTC2194: 64k Point FFT,
f
IN
IN
IN
–70 –60 –50 –40 –30 –20 –10
= 5MHz, –1dBFS, 105Msps
= 70MHz, 125Msps, 2V Range
= 5MHz, –1dBFS
0.7
10
0.8
INPUT LEVEL (dBFS)
FREQUENCY (MHz)
SENSE PIN (V)
20
0.9
30
1
dBFS
dBc
1.1
40
1.2
219543 G12
219543 G15
219543 G18
219543p
50
1.3
0