ltc2182 Linear Technology Corporation, ltc2182 Datasheet - Page 14

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

LTC2182/LTC2181/LTC2180
14
TYPICAL PERFORMANCE CHARACTERISTICS
–100
–110
–120
–1.0
–2.0
–3.0
–4.0
–10
–20
–30
–40
–50
–60
–70
–80
–90
4.0
3.0
2.0
1.0
80
70
60
50
40
0
0
0
0
LTC2181: I
5MHz, –1dBFS, Sine Wave Input
on Each Channel
0
LTC2180: Integral
Non-Linearity (INL)
LTC2180: 64k Point FFT,
f
IN
= 30MHz, –1dBFS, 25Msps
16384
3.5mA LVDS OUTPUTS
10
SAMPLE RATE (Msps)
VDD
FREQUENCY (MHz)
OUTPUT CODE
5
vs Sample Rate,
32768
20
CMOS OUTPUTS
49152
30
10
218210 G28
218210 G31
218210 G34
65536
40
–0.2
–0.4
–0.6
–0.8
–1.0
–100
–110
–120
–10
–20
–30
–40
–50
–60
–70
–80
–90
1.0
0.8
0.6
0.4
0.2
80
70
60
50
40
30
20
10
0
0
0
0
LTC2180: Differential
Non-Linearity (DNL)
0
LTC2181: I
5MHz, –1dBFS, Sine Wave Input
on Each Channel
0
LTC2180: 64k Point FFT,
f
IN
= 70MHz, –1dBFS, 25Msps
16384
10
SAMPLE RATE (Msps)
OVDD
FREQUENCY (MHz)
3.5mA LVDS
OUTPUT CODE
1.75mA LVDS
1.8V CMOS
5
32768
vs Sample Rate,
20
49152
30
10
218210 G29
218210 G32
218210 G35
65536
40
–100
–110
–120
–100
–110
–120
–10
–20
–30
–40
–50
–60
–70
–80
–90
–10
–20
–30
–40
–50
–60
–70
–80
–90
78
77
76
75
74
73
72
71
70
0
0
0.6
0
0
LTC2180: 64k Point FFT,
f
LTC2181: SNR vs SENSE,
f
LTC2180: 64k Point FFT,
f
IN
IN
IN
= 5MHz, –1dBFS, 25Msps
= 5MHz, –1dBFS
= 140MHz, –1dBFS, 25Msps
0.7
0.8
FREQUENCY (MHz)
FREQUENCY (MHz)
SENSE PIN (V)
5
5
0.9
1
1.1
10
10
1.2
218210 G30
218210 G33
218210 G36
218210f
1.3