LTC2160_15 Datasheet, PDF (12/36 Pages) Linear Technology – 16-Bit, 65Msps/ 40Msps/25Msps Low Power ADCs

LTC2162/LTC2161/LTC2160
Typical Performance Characteristics
LTC2162: 2nd, 3rd Harmonic vs
Input Frequency, –1dBFS, 65Msps,
2V Range
100
LTC2162: 2nd, 3rd Harmonic vs
Input Frequency, –1dBFS, 65Msps,
1V Range
100
95
95
3RD
90
90
3RD
85
85
2ND
80
80
2ND
75
75
70
70
65
0 50 100 150 200 250 300
INPUT FREQUENCY (MHz)
216210 G10
65
0 50 100 150 200 250 300
INPUT FREQUENCY (MHz)
216210 G11
LTC2162: SFDR vs Input Level,
f_IN = 70MHz, 65Msps, 2V Range
130
120
dBFS
110
100
90
dBc
80
70
60
50
40
30
20
–80 –70 –60 –50 –40 –30 –20 –10 0
INPUT LEVEL (dBFS)
216210 G12
LTC2162: I_VDD vs Sample Rate,
5MHz, –1dBFS Sine Wave Input
60
55
50
3.5mA LVDS
OUTPUTS
45
CMOS OUTPUTS
40
35
30
0
20
40
SAMPLE RATE (Msps)
60
216210 G13
LTC2162: I_OVDD vs Sample Rate,
5MHz, –1dBFS Sine Wave Input
50
3.5mA LVDS
40
30
1.75mA LVDS
20
10
1.2V CMOS
1.8V CMOS
0
0
20
40
60
SAMPLE RATE (Msps)
216210 G14
LTC2162: SNR vs SENSE,
f_IN = 5MHz, –1dBFS
78
77
76
75
74
73
72
71
70
0.6 0.7
0.8 0.9 1 1.1
SENSE PIN (V)
1.2 1.3
216210 G15
LTC2161: Integral
Non-Linearity (INL)
4.0
3.0
2.0
1.0
0
–1.0
–2.0
–3.0
–4.0
0
16384 32768 49152 65536
OUTPUT CODE
216210 G16
LTC2161: Differential
Non-Linearity (DNL)
1.0
0.8
0.6
0.4
0.2
0
–0.2
–0.4
–0.6
–0.8
–1.0
0
16384 32768 49152 65536
OUTPUT CODE
216210 G17
LTC2161: 64k Point FFT,
f_IN = 5MHz, –1dBFS, 40Msps
0
–10
–20
–30
–40
–50
–60
–70
–80
–90
–100
–110
–120
0
5
10
15
FREQUENCY (MHz)
20
216210 G18
216210f
12