LTC2298 Linear Technology, LTC2298 Datasheet - Page 9

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

TYPICAL PERFOR A CE CHARACTERISTICS
–0.5
–1.0
–1.5
–2.0
120
110
100
100
2.0
1.5
1.0
0.5
90
80
70
60
50
40
30
20
95
90
85
80
75
70
65
0
–60
0
0
LTC2296: Typical INL,
2V Range, 25Msps
LTC2297: SFDR vs Input Frequency,
–1dB, 2V Range, 40Msps
LTC2297: SFDR vs Input Level,
f
IN
= 5MHz, 2V Range, 40Msps
– 50
dBFS
4096
50
INPUT FREQUENCY (MHz)
INPUT LEVEL (dBFS)
– 40
dBc
CODE
8192
–30
100
90dBc SFDR
REFERENCE LINE
–20
12288
150
W
–10
2296 G01
2297 G10
2297 G13
U
16384
200
0
–0.25
–0.50
–0.75
–1.00
1.00
0.75
0.50
0.25
110
100
100
90
80
70
60
90
80
70
60
0
0
0
0
LTC2297: I
5MHz Sine Wave Input, –1dB
LTC2296: Typical DNL,
2V Range, 25Msps
LTC2297: SNR and SFDR vs
Sample Rate, 2V Range,
f
IN
= 5MHz, –1dB
10
4096
20
SAMPLE RATE (Msps)
SAMPLE RATE (Msps)
VDD
2V RANGE
SFDR
SNR
20
vs Sample Rate,
CODE
8192
40
LTC2298/LTC2297/LTC2296
1V RANGE
30
12288
60
40
2297 G11
2297 G14
2296 G02
16384
80
50
–100
–110
–120
–10
–20
–30
–40
–50
–60
–70
–80
–90
80
70
60
50
40
30
20
10
8
6
4
2
0
0
0
–60
0
0
LTC2297: I
5MHz Sine Wave Input, –1dB,
O
LTC2296: 8192 Point FFT,
f
25Msps
LTC2297: SNR vs Input Level,
f
IN
IN
VDD
= 5MHz, –1dB, 2V Range,
= 5MHz, 2V Range, 40Msps
–50
2
= 1.8V
10
SAMPLE RATE (Msps)
INPUT LEVEL (dBFS)
–40
4
FREQUENCY (MHz)
OVDD
dBFS
dBc
20
6
–30
vs Sample Rate,
30
8
–20
10
40
–10
2297 G15
2296 G03
229876f
2297 G12
12
9
50
0