LTC2298 Linear Technology, LTC2298 Datasheet - Page 10

• Manufacturer Part Number: LTC2298
• Description: (LTC2296 - LTC2298) Low Power 3V ADCs
• Manufacturer: Linear Technology

LTC2298/LTC2297/LTC2296
TYPICAL PERFOR A CE CHARACTERISTICS
10
–100
–110
–120
–100
–110
–120
100
–10
–20
–30
–40
–50
–60
–70
–80
–90
–10
–20
–30
–40
–50
–60
–70
–80
–90
95
90
85
80
75
70
65
0
0
0
0
0
LTC2296: 8192 Point FFT,
f
25Msps
LTC2296: 8192 Point 2-Tone FFT,
f
–1dB, 2V Range, 25Msps
LTC2296: SFDR vs Input
Frequency, –1dB, 2V Range,
25Msps
IN
IN
= 30MHz, –1dB, 2V Range,
= 10.9MHz and 13.8MHz,
2
2
50
INPUT FREQUENCY (MHz)
4
FREQUENCY (MHz)
4
FREQUENCY (MHz)
6
6
100
8
8
150
W
10
10
2296 G10
2296 G04
2296 G07
12
12
U
200
25000
20000
15000
10000
5000
–100
–110
–120
110
100
–10
–20
–30
–40
–50
–60
–70
–80
–90
90
80
70
60
0
0
8179 8180 8181 8182 8183 8184 8185 8186
0
LTC2296: 8192 Point FFT,
f
25Msps
0
LTC2296: Grounded Input
Histogram, 25Msps
LTC2296: SNR and SFDR vs
Sample Rate, 2V Range,
f
IN
IN
43
= 70MHz, –1dB, 2V Range,
= 5MHz, –1dB
853
2
10
6919
SAMPLE RATE (Msps)
4
FREQUENCY (MHz)
18803
20
CODE
SFDR
6
SNR
22016
30
8
13373
10
3227
40
2296 G08
2296 G11
2296 G05
278
12
50
–100
–110
–120
–10
–20
–30
–40
–50
–60
–70
–80
–90
80
70
60
50
40
30
20
10
75
74
73
72
71
70
0
0
–60
0
0
LTC2296: 8192 Point FFT,
f
25Msps
LTC2296: SNR vs Input Frequency,
–1dB, 2V Range, 25Msps
LTC2296: SNR vs Input Level,
f
IN
IN
= 140MHz, –1dB, 2V Range,
= 5MHz, 2V Range, 25Msps
–50
2
50
INPUT FREQUENCY (MHz)
INPUT LEVEL (dBFS)
–40
4
FREQUENCY (MHz)
dBFS
dBc
6
100
–30
8
–20
150
10
–10
2296 G09
2296 G12
2296 G06
229876f
12
200
0