ltc2238iuh-trpbf Linear Technology Corporation, ltc2238iuh-trpbf Datasheet - Page 10

• Manufacturer Part Number: ltc2238iuh-trpbf
• Description: Ltc2237 - 10-bit, 40msps Low Noise 3v Adcs
• Manufacturer: Linear Technology Corporation

LTC2238/LTC2237/LTC2236
TYPICAL PERFOR A CE CHARACTERISTICS
10
–100
–110
–120
–10
–20
–30
–40
–50
–60
–70
–80
–90
100
120
110
100
75
70
65
90
20
10
95
90
85
80
80
70
60
50
40
30
0
0
–60
0
0
LTC2236: SFDR vs Input Level,
f
LTC2236: SFDR vs Input
Frequency, –1dB, 2V Range,
25Msps
LTC2236: 8192 Point 2-Tone FFT,
f
–1dB, 2V Range, 25Msps
IN
IN
= 5MHz, 2V Range, 25Msps
= 10.9MHz and 13.8MHz,
–50
2
50
INPUT FREQUENCY (MHz)
INPUT LEVEL (dBFS)
–40
4
FREQUENCY (MHz)
dBFS
dBc
6
100
–30
REFERENCE LINE
80dBc SFDR
8
–20
150
10
W
–10
223876 G40
223876 G43
223876 G37
12
U
200
0
70000
60000
50000
40000
30000
20000
10000
100
30
20
15
90
70
60
50
35
25
80
0
0
0
LTC2236: SNR and SFDR vs
Sample Rate, 2V Range,
f
LTC2236: I
5MHz Sine Wave Input, –1dB
LTC2236: Grounded Input
Histogram, 25Msps
IN
= 5MHz, –1dB
5
511
5
0
10 15 20 25 30 35
SAMPLE RATE (Msps)
10
SAMPLE RATE (Msps)
VDD
15
2V RANGE
65520
vs Sample Rate,
SFDR
CODE
SNR
512
1V RANGE
20
25
40
513
0
30
223876 G38
223876 G41
223876 G44
45 50
35
62.5
61.5
60.5
59.5
58.5
57.5
40
80
70
60
50
30
20
10
1
0
3
2
0
–60
0
0
LTC2236: I
5MHz Sine Wave Input, –1dB,
O
LTC2236: SNR vs Input Frequency,
–1dB, 2V Range, 25Msps
LTC2236: SNR vs Input Level,
f
IN
VDD
= 5MHz, 2V Range, 25Msps
–50
5
= 1.8V
50
INPUT FREQUENCY (MHz)
SAMPLE RATE (Msps)
10
INPUT LEVEL (dBFS)
–40
OVDD
dBFS
15
100
–30
vs Sample Rate,
20
dBc
–20
25
150
–10
30
223876 G39
223876 G45
223876 G42
223876fa
200
35
0