LTC2298_15 Datasheet, PDF (8/28 Pages) Linear Technology – Dual 14-Bit, 65/40/25Msps Low Power 3V ADCs

LTC2298/LTC2297/LTC2296
TYPICAL PERFOR A CE CHARACTERISTICS
LTC2297: Typical INL,
2V Range, 40Msps
2.0
1.5
1.0
0.5
0
–0.5
–1.0
–1.5
–2.0
0
4096
8192
CODE
12288 16384
2297 G01
LTC2297: 8192 Point FFT,
f_IN = 30MHz, –1dB, 2V Range,
40Msps
0
–10
–20
–30
–40
–50
–60
–70
–80
–90
–100
–110
–120
0
5
10
15
20
FREQUENCY (MHz)
2297 G04
LTC2297: 8192 Point 2-Tone FFT,
f_IN = 21.6MHz and 23.6MHz,
–1dB, 2V Range, 40Msps
0
–10
–20
–30
–40
–50
–60
–70
–80
–90
–100
–110
–120
0
5
10
15
FREQUENCY (MHz)
20
2297 G07
8
LTC2297: Typical DNL,
2V Range, 40Msps
1.00
0.75
0.50
0.25
0
–0.25
–0.50
–0.75
–1.00
0
4096
8192
CODE
12288 16384
2297 G02
LTC2297: 8192 Point FFT,
f_IN = 70MHz, –1dB, 2V Range,
40Msps
0
–10
–20
–30
–40
–50
–60
–70
–80
–90
–100
–110
–120
0
5
10
15
20
FREQUENCY (MHz)
2297 G05
LTC2297: Grounded Input
Histogram, 40Msps
30000
25000
24558
20000
15000
14833 ¹⁵⁷¹⁴
10000
5000
4641
4520
0 ^{30 640}
546 ₃₆
8184 8185 8186 818781888189 8190 81918192
CODE
2297 G08
LTC2297: 8192 Point FFT,
f_IN = 5MHz, –1dB, 2V Range,
40Msps
0
–10
–20
–30
–40
–50
–60
–70
–80
–90
–100
–110
–120
0
5
10
15
20
FREQUENCY (MHz)
2297 G03
LTC2297: 8192 Point FFT,
f_IN = 140MHz, –1dB, 2V Range,
40Msps
0
–10
–20
–30
–40
–50
–60
–70
–80
–90
–100
–110
–120
0
5
10
15
20
FREQUENCY (MHz)
2297 G06
LTC2297: SNR vs Input Frequency,
–1dB, 2V Range, 40Msps
75
74
73
72
71
70
0
50
100
150
200
INPUT FREQUENCY (MHz) _{2297 G09}
229876fa