LTC2274 Linear Technology, LTC2274 Datasheet - Page 9

• Manufacturer Part Number: LTC2274
• Description: 105Msps Serial Output ADC
• Manufacturer: Linear Technology

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TYPICAL PERFORMANCE CHARACTERISTICS
unless otherwise noted.
–100
–110
–120
–130
–100
–110
–120
–130
140
130
120
110
100
–10
–20
–30
–40
–50
–60
–70
–80
–90
–10
–20
–30
–40
–50
–60
–70
–80
–90
90
80
70
60
50
40
30
0
0
–80 –70 –60 –50 –40 –30 –20 –10
0
0
64k Point 2-Tone FFT,
f
–15dBFS, PGA = 0
128k Point FFT, f
–20dBFS, PGA = 0, Dither “Off”
SFDR vs Input Level,
f
Dither “Off”
IN
IN
= 14.2MHz and 15.8MHz,
= 140MHz, PGA = 1,
10
10
INPUT LEVEL (dBFS)
FREQUENCY (MHz)
FREQUENCY (MHz)
20
20
IN
30
30
= 70.1MHz,
40
40
2274 G16
50
2274 G10
50
2274 G13
0
–100
–110
–120
–130
–100
–110
–120
–130
140
130
120
110
100
–10
–20
–30
–40
–50
–60
–70
–80
–90
–10
–20
–30
–40
–50
–60
–70
–80
–90
90
80
70
60
50
40
30
0
0
–80 –70 –60 –50 –40 –30 –20 –10
0
0
64k FFT, f
PGA = 0
128k Point FFT, f
–20dBFS, PGA = 0, Dither “On”
SFDR vs Input Level,
f
Dither “On”
IN
= 140MHz, PGA = 1,
10
10
IN
INPUT LEVEL (dBFS)
FREQUENCY (MHz)
FREQUENCY (MHz)
= 70.1MHz, –1dBFS,
20
20
IN
30
30
= 70.1MHz,
40
40
V
2274 G17
2274 G11
2274 G14
50
50
DD
0
= 3.3V, OV
–100
–110
–120
–130
–100
–110
–120
–130
–100
–110
–120
–130
–10
–20
–30
–40
–50
–60
–70
–80
–90
–10
–20
–30
–40
–50
–60
–70
–80
–90
–10
–20
–30
–40
–50
–60
–70
–80
–90
0
0
0
DD
0
0
0
64k FFT, f
PGA = 1
64k Point FFT, f
–1dBFS, PGA = 1
64k Point FFT, f
–1dBFS, PGA = 1
= 1.5V, T
10
10
10
IN
A
FREQUENCY (MHz)
FREQUENCY (MHz)
FREQUENCY (MHz)
= 25°C, F
= 70.1MHz, –1dBFS,
20
20
20
IN
IN
LTC2274
= 140.2MHz,
= 170.2MHz,
30
30
30
S
= 105Msps,
40
40
40
2274 G12
2274 G15
2274 G18
50
50
50
9
2274f