ltc2182 Linear Technology Corporation, ltc2182 Datasheet - Page 12

• Manufacturer Part Number: ltc2182
• Description: 16-bit, 65msps/ 40msps/25msps Low Power Dual Adcs
• Manufacturer: Linear Technology Corporation

LTC2182/LTC2181/LTC2180
TYPICAL PERFORMANCE CHARACTERISTICS
12
–1.0
–2.0
–3.0
–4.0
100
100
4.0
3.0
2.0
1.0
95
90
85
80
75
70
65
90
80
70
60
0
0
0
LTC2182: 2nd, 3rd Harmonic vs
Input Frequency, –1dBFS, 65Msps,
2V Range
LTC2182: I
5MHz, –1dBFS, Sine Wave Input
on Each Channel
0
LTC2181: Integral
Non-Linearity (INL)
50
16384
INPUT FREQUENCY (MHz)
3.5mA LVDS OUTPUTS
SAMPLE RATE (Msps)
20
100
VDD
OUTPUT CODE
vs Sample Rate,
32768
150
CMOS OUTPUTS
2ND
40
200
49152
3RD
250
218210 G10
218210 G13
218210 G16
60
65536
300
–0.2
–0.4
–0.6
–0.8
–1.0
100
1.0
0.8
0.6
0.4
0.2
80
70
60
50
40
30
20
10
95
90
85
80
75
70
65
0
0
0
LTC2182: 2nd, 3rd Harmonic vs
Input Frequency, –1dBFS, 65Msps,
1V Range
0
LTC2181: Differential
Non-Linearity (DNL)
0
LTC2182: I
5MHz, –1dBFS, Sine Wave Input
on Each Channel
50
16384
INPUT FREQUENCY (MHz)
SAMPLE RATE (Msps)
20
100
OVDD
OUTPUT CODE
32768
1.8V CMOS
150
vs Sample Rate,
3.5mA LVDS
1.75mA LVDS
2ND
40
200
49152
3RD
1.2V CMOS
250
218210 G14
218210 G17
218210 G11
60
65536
300
–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
LTC2182: SFDR vs Input Level,
f
LTC2181: 64k Point FFT,
f
LTC2182: SNR vs SENSE,
f
IN
IN
IN
= 70MHz, 65Msps, 2V Range
= 5MHz, –1dBFS, 40Msps
–70 –60 –50 –40 –30 –20 –10
= 5MHz, –1dBFS
0.7
5
0.8
INPUT LEVEL (dBFS)
FREQUENCY (MHz)
SENSE PIN (V)
dBFS
0.9
10
dBc
1
1.1
15
1.2
218210 G12
218210 G15
218210 G18
218210f
1.3
20
0