LTC2229 LINER [Linear Technology], LTC2229 Datasheet - Page 6

• Manufacturer Part Number: LTC2229
• Description: 12-Bit, 80Msps Low Power 3V ADC
• Manufacturer: LINER [Linear Technology]

LTC2229
TYPICAL PERFOR A CE CHARACTERISTICS
6
–100
–110
–120
–100
–110
–120
–10
–20
–30
–40
–50
100
–60
–70
–80
–90
–10
–20
–30
–40
–50
–80
–90
–60
–70
70
65
95
90
85
75
80
0
0
0
0
0
8192 Point 2-Tone FFT,
f
–1dB, 2V Range
8192 Point FFT, f
–1dB, 2V Range
SFDR vs Input Frequency,
–1dB, 2V Range
IN
= 28.2MHz and 26.8MHz,
5
5
50
INPUT FREQUENCY (MHz)
10
10
FREQUENCY (MHz)
FREQUENCY (MHz)
15
15
100
20
20
IN
= 30MHz,
25
25
150
30
30
W
35
35
2229 G10
2229 G04
2229 G07
U
200
40
40
140000
120000
100000
80000
60000
40000
20000
–100
–110
–120
–10
–20
–30
–40
–50
–80
–90
100
–60
–70
60
90
80
70
50
0
0
0
0
Grounded Input Histogram
8192 Point FFT, f
–1dB, 2V Range
SNR and SFDR vs Sample Rate,
2V Range, f
10 20 30 40 50 60 70
5
10
5712
2050
SAMPLE RATE (Msps)
FREQUENCY (MHz)
IN
15
= 5MHz, –1dB
116838
CODE
2051
20
SFDR
SNR
IN
= 70MHz,
25
8522
2052
80
30
90 100 110
35
2229 G08
2229 G05
2229 G11
40
–100
–110
–120
–10
–20
–30
–40
–50
–80
–90
–60
–70
70
65
75
74
73
72
71
70
69
68
67
65
95
90
80
75
66
85
0
30
0
0
SNR vs Input Frequency,
–1dB, 2V Range
SNR and SFDR
vs Clock Duty Cycle
8192 Point FFT, f
–1dB, 2V Range
SFDR: DCS ON
35
5
SNR: DCS OFF
SNR: DCS ON
INPUT FREQUENCY (MHz)
40
10
50
CLOCK DUTY CYCLE (%)
FREQUENCY (MHz)
SFDR: DCS OFF
45
15
100
20
50
IN
= 140MHz,
55
25
150
60
30
35
65
2229 G12
2229 G06
2229 G09
2229fa
200
70
40