LTC2274 Linear Technology, LTC2274 Datasheet - Page 10

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

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LTC2274
TYPICAL PERFORMANCE CHARACTERISTICS
10
unless otherwise noted.
–100
–110
–120
–130
–10
–20
–30
–40
–50
–60
–70
–80
–90
0
0
64k Point FFT, f
–1dBFS, PGA = 1
10
FREQUENCY (MHz)
20
IN
110
105
100
110
105
100
95
90
85
80
75
70
95
90
85
80
75
70
65
60
= 250.2MHz,
0.50
30
20
SNR and SFDR vs Sample Rate,
f
SFDR vs Analog Input
Common Mode Voltage, 5MHz
and 70MHz, –1dBFS
ANALOG INPUT COMMON MODE VOLTAGE (V)
IN
= 5.1MHz
0.75
40
40
SAMPLE RATE (Msps)
1.00
2274 G19
50
60
70MHz
1.25
5MHz
SFDR
80
SNR
1.50
105
100
LIMIT
95
90
85
80
75
70
65
100
0
SFDR (HD2 and HD3) vs
Input Frequency
1.75
PGA = 0
2274 G22
2274 G02
100
2.00
120
INPUT FREQUENCY (MHz)
200
PGA = 1
300
110
105
100
420
410
400
390
380
370
360
350
340
330
320
310
300
290
400
95
90
85
80
75
70
2.8
IV
–1dBFS
0
SNR and SFDR vs Supply Voltage
(V
V
2274 G20
DD
DD
DD
500
), f
vs Sample Rate, 5MHz Sine,
LOWER LIMIT
= 3.3V, OV
IN
3.0
SUPPLY VOLTAGE (V)
SAMPLE RATE (Msps)
= 5.2MHz
40
78
76
74
72
70
68
66
64
DD
0
SNR vs Input Frequency
3.2
= 1.5V, T
SFDR
SNR
UPPER LIMIT
80
100
INPUT FREQUENCY (MHz)
A
3.4
= 25°C, F
200
2274 G23
2274 G25
PGA = 1
120
PGA = 0
300
S
= 105Msps,
400
2274 G21
2274f
500