ltc2238iuh-trpbf Linear Technology Corporation, ltc2238iuh-trpbf Datasheet - Page 8

• 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
8
–100
–110
–120
–100
–110
–120
–30
–40
–50
–70
–30
–40
–50
–70
100
–10
–20
–60
–80
–90
–10
–20
–60
–80
–90
75
70
65
95
90
85
80
0
0
0
0
0
LTC2237: 8192 Point FFT,
f
40Msps
LTC2237: 8192 Point 2-Tone FFT,
f
–1dB, 2V Range, 40Msps
LTC2237: SFDR vs Input Frequency,
–1dB, 2V Range, 40Msps
IN
IN
= 30MHz, –1dB, 2V Range,
= 21.6MHz and 23.6MHz,
50
INPUT FREQUENCY (MHz)
5
5
FREQUENCY (MHz)
FREQUENCY (MHz)
100
10
10
150
15
15
W
223876 G25
223876 G19
223876 G22
U
200
20
20
70000
60000
50000
40000
30000
20000
10000
–120
–100
–110
100
–20
–30
–40
–50
–70
–80
–90
–10
–60
60
90
80
70
50
0
0
0
0
LTC2237: 8192 Point FFT,
f
40Msps
LTC2237: Grounded Input
Histogram, 40Msps
LTC2237: SNR and SFDR vs
Sample Rate, 2V Range,
f
IN
IN
= 70MHz, –1dB, 2V Range,
= 5MHz, –1dB
10
510
0
20
5
SAMPLE RATE (Msps)
FREQUENCY (MHz)
30
65520
SFDR
CODE
SNR
511
40
10
50
60
15
512
0
223876 G20
70
223876 G23
223876 G26
20
80
–100
–110
–120
62.5
61.5
60.5
59.5
58.5
57.5
–20
–30
–40
–50
–70
–10
–60
–80
–90
70
60
40
30
20
80
50
10
0
0
–60
0
LTC2237: SNR vs Input Frequency,
–1dB, 2V Range, 40Msps
0
LTC2237: 8192 Point FFT,
f
40Msps
LTC2237: SNR vs Input Level,
f
IN
IN
= 140MHz, –1dB, 2V Range,
= 5MHz, 2V Range, 40Msps
–50
50
INPUT FREQUENCY (MHz)
5
INPUT LEVEL (dBFS)
–40
FREQUENCY (MHz)
dBFS
100
–30
10
dBc
–20
150
15
–10
223876 G24
223876 G21
223876fa
223876 G27
200
20
0