LTC2238 Linear, LTC2238 Datasheet - Page 9

• Manufacturer Part Number: LTC2238
• Description: (LTC2236 - LTC2238) LOW POWER 3V ADC
• Manufacturer: Linear

TYPICAL PERFOR A CE CHARACTERISTICS
–0.25
–0.50
–0.75
–1.00
–100
–110
–120
1.00
0.75
0.50
0.25
–60
–70
–10
–20
–30
–40
–50
–80
–90
120
110
100
90
20
10
80
70
60
50
40
30
0
0
0
–60
0
LTC2237: SFDR vs Input Level,
f
0
LTC2236: 8192 Point FFT,
f
25Msps
LTC2236: Typical INL,
2V Range, 25Msps
IN
IN
= 5MHz, 2V Range, 40Msps
= 30MHz, –1dB, 2V Range,
–50
2
256
INPUT LEVEL (dBFS)
–40
FREQUENCY (MHz)
4
dBFS
CODE
6
–30
512
dBc
8
REFERENCE LINE
–20
80dBc SFDR
768
W
10
–10
223876 G31
223876 G34
223876 G28
12
U
1024
0
–0.25
–0.50
–0.75
–1.00
–100
–110
–120
1.00
0.75
0.50
0.25
–60
–70
–10
–20
–30
–40
–50
–80
–90
50
45
40
35
30
0
0
0
0
0
LTC2237: I
5MHz Sine Wave Input, –1dB
LTC2236: Typical DNL,
2V Range, 25Msps
LTC2236: 8192 Point FFT,
f
25Msps
IN
= 70MHz, –1dB, 2V Range,
2
10
256
SAMPLE RATE (Msps)
4
FREQUENCY (MHz)
VDD
20
vs Sample Rate,
2V RANGE
CODE
6
512
LTC2238/LTC2237/LTC2236
30
8
1V RANGE
768
10
40
223876 G32
223876 G35
223876 G29
12
1024
50
–100
–110
–120
–100
–110
–120
–60
–70
–60
–70
–10
–20
–30
–40
–50
–80
–90
–10
–20
–30
–40
–50
–80
–90
0
0
4
3
2
1
0
0
LTC2237: I
5MHz Sine Wave Input, –1dB,
O
0
0
LTC2236: 8192 Point FFT,
f
25Msps
LTC2236: 8192 Point FFT,
f
25Msps
IN
IN
VDD
= 5MHz, –1dB, 2V Range,
= 140MHz, –1dB, 2V Range,
2
2
= 1.8V
10
SAMPLE RATE (Msps)
FREQUENCY (MHz)
FREQUENCY (MHz)
4
4
OVDD
20
6
6
vs Sample Rate,
30
8
8
10
10
40
223876 G33
223876 G36
223876 G30
223876fa
12
12
9
50