LTC2173-14 Linear Technology Corporation, LTC2173-14 Datasheet - Page 14

• Manufacturer Part Number: LTC2173-14
• Description: (LTC217x-14) 125Msps Low Power Quad ADCs
• Manufacturer: Linear Technology Corporation

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LTC2175-14/
LTC2174-14/LTC2173-14
14
TYPICAL PERFORMANCE CHARACTERISTICS
–100
–110
–120
–100
–110
–120
–50
–60
–70
–80
–90
–50
–60
–70
–80
–90
–10
–20
–30
–40
–10
–20
–30
–40
74
73
72
71
70
69
68
67
66
0
0
0.6
LTC2174-14: SNR vs SENSE,
f
0
LTC2173-14: 8k Point FFT, f
–1dBFS, 80Msps
0
LTC2173-14: 8k Point FFT, f
–1dBFS, 80Msps
IN
= 5MHz, –1dB
0.7
10
10
0.8
FREQUENCY (MHz)
FREQUENCY (MHz)
SENSE PIN (V)
0.9
20
20
1
1.1
30
30
IN
IN
1.2
= 140MHz
= 5MHz
217514 G25
217514 G28
217514 G31
1.3
40
40
–100
–110
–120
–100
–110
–120
–0.5
–1.0
–1.5
–2.0
–50
–60
–70
–80
–90
–50
–60
–70
–80
–90
–10
–20
–30
–40
–10
–20
–30
–40
2.0
1.5
1.0
0.5
0
0
0
0
LTC2173-14: Integral Nonlinearity
(INL)
LTC2173-14: 8k Point FFT, f
–1dBFS, 80Msps
0
LTC2173-14: 8k Point 2-Tone FFT,
f
80Msps
0
IN
= 70MHz, 75MHz, –1dBFS,
4096
10
10
FREQUENCY (MHz)
FREQUENCY (MHz)
OUTPUT CODE
8192
20
20
12288
30
30
IN
= 30MHz
217514 G32
217514 G26
217514 G29
16384
40
40
–100
–110
–120
6000
5000
4000
3000
2000
1000
–0.2
–0.4
–0.6
–0.8
–1.0
–10
–20
–30
–40
–50
–60
–70
–80
–90
1.0
0.8
0.6
0.4
0.2
0
0
0
8184
0
0
LTC2173-14: 8k Point FFT, f
–1dBFS, 80Msps
LTC2173-14: Differential
Nonlinearity (DNL)
LTC2173-14: Shorted Input
Histogram
8186
4096
10
FREQUENCY (MHz)
OUTPUT CODE
OUTPUT CODE
8188
8192
20
8190
12288
30
IN
8192
= 70MHz
217514 G27
217514 G30
217514 G33
21754314p
16384
40