LTC2152-12_15 Datasheet, PDF (7/30 Pages) Linear Technology – Single 12-Bit 250Msps/ 210Msps/170Msps ADCs

LTC2152-12/
LTC2151-12/LTC2150-12
TYPICAL PERFORMANCE CHARACTERISTICS
LTC2152-12: 32K Point FFT,
f_IN = 567MHz, –1dBFS, 250Msps
0
–20
–40
–60
–80
–100
–120
0
20 40 60 80 100 120
FREQUENCY (MHz)
215210 G10
LTC2152-12: Shorted Input
Histogram
20000
18000
16000
14000
12000
10000
8000
6000
4000
2000
0
2048
2052
OUTPUT CODE
2056
21521012 G13
LTC2152-12: SFDR vs Input Level,
f_IN = 70MHz, 1.5V Range, 250Msps
120
dBFS
100
80
dBc
60
40
20
0
–90 –80 –70 –60 –50 –40 –30 –20 –10 0
AMPLITUDE (dBFS)
21521012 G16
LTC2152-12: 32K Point FFT,
f_IN = 907MHz, –1dBFS, 250Msps
0
–20
–40
–60
–80
–100
–120
0
20 40 60 80 100 120
FREQUENCY (MHz)
21521012 G11
LTC2152-12: I_OVDD vs Sample Rate,
15MHz Sine Wave Input, –1dBFS
50
45
LVDS CURRENT 3.5mA
40
35
30
25
LVDS CURRENT 1.75mA
20
15
0
50
100 150 200 250
SAMPLE RATE (Msps)
21521012 G14
LTC2152-12: SNR vs Input Level,
f_IN = 70MHz, 1.5V Range, 250Msps
70
dBFS
60
50
40
dBc
30
20
10
0
–70 –60 –50 –40 –30 –20 –10 0
INPUT LEVEL (dBFS)
21521012 G17
For more information www.linear.com/LTC2152-12
LTC2152-12: 32K Point 2-Tone FFT,
f_IN = 71MHz and 69MHz, 250Msps
0
–20
–40
–60
–80
–100
–120
0
20 40 60 80 100 120
FREQUENCY (MHz)
21521012 G12
LTC2152-12: I_VDD vs Sample Rate,
15MHz Sine Wave Input, –1dBFS
170
160
150
140
130
120
110
0
50
100 150 200 250
SAMPLE RATE (Msps)
21521012 G15
LTC2152-12: SFDR vs Input
Frequency, –1dBFS, 1.5V Range,
250Msps
90
80
70
60
50
40
30
20
10
0
0 100 200 300 400 500 600 700 800 900 1000
INPUT FREQUENCY (MHz)
21521012 G18
21521012fa
7