Datasheet

LTC2288/LTC2287/LTC2286
9
228876fa
LTC2287: I
OVDD
vs Sample Rate,
5MHz Sine Wave Input, –1dB,
O
VDD
= 1.8V
LTC2287: I
VDD
vs Sample Rate,
5MHz Sine Wave Input, –1dB
TYPICAL PERFOR A CE CHARACTERISTICS
UW
LTC2287: SFDR vs Input Level,
f
IN
= 5MHz, 2V Range, 40Msps
LTC2286: Typical INL,
2V Range, 25Msps
LTC2286: Typical DNL,
2V Range, 25Msps
LTC2286: 8192 Point FFT,
f
IN
= 5MHz, –1dB, 2V Range,
25Msps
LTC2287: SFDR vs Input Frequency,
–1dB, 2V Range, 40Msps
LTC2287: SNR and SFDR vs
Sample Rate, 2V Range,
f
IN
= 5MHz, –1dB
LTC2287: SNR vs Input Level,
f
IN
= 5MHz, 2V Range, 40Msps
SAMPLE RATE (Msps)
0
I
VDD
(mA)
40
228876 G30
10
20
30
50
100
90
80
70
60
2V RANGE
1V RANGE
SAMPLE RATE (Msps)
0
I
OVDD
(mA)
4
6
40
228876 G31
2
0
10
20
30
50
8
INPUT FREQUENCY (MHz)
0
85
90
100
150
228876 G26
80
75
50 100 200
70
65
95
SFDR (dBFS)
SAMPLE RATE (Msps)
0
SNR AND SFDR (dBFS)
80
90
100
80
228876 G27
70
60
50
10 20 30
40 50
60 70
SFDR
SNR
INPUT LEVEL (dBFS)
–60
SNR (dBc AND dBFS)
30
40
50
–30
–10
228876 G28
20
10
0
–50 –40
dBFS
dBc
–20
60
70
80
0
INPUT LEVEL (dBFS)
–60
0
SFDR (dBc AND dBFS)
20
40
60
80
120
–50
–40 –30
dBFS
dBc
–20
228876 G29
–10 0
100
10
30
50
70
110
90
80dBc SFDR
REFERENCE LINE
CODE
0
INL ERROR (LSB)
0
0.25
0.50
1024
228876 G32
–0.25
–0.50
–1.00
256
512
768
–0.75
1.00
0.75
CODE
0
DNL ERROR (LSB)
0
0.25
0.50
1024
228876 G33
–0.25
–0.50
–1.00
256
512
768
–0.75
1.00
0.75
FREQUENCY (MHz)
0
AMPLITUDE (dB)
–80
–20
–10
0
4
8
10
228876 G34
–100
–110
–40
–60
–90
–30
–120
–50
–70
2
6
12