ltc2258cuj-12 Linear Technology Corporation, ltc2258cuj-12 Datasheet - Page 10

• Manufacturer Part Number: ltc2258cuj-12
• Description: 12-bit, 65/40/2 5msps Ultralow Power 1.8v Adcs
• Manufacturer: Linear Technology Corporation

LTC2258-12
LTC2257-12/LTC2256-12
TYPICAL PERFORMANCE CHARACTERISTICS
10
–100
–110
–120
–100
–110
–120
–10
–20
–30
–40
–50
–60
–70
–80
–90
–50
–60
–70
–80
–90
–10
–20
–30
–40
95
90
85
80
75
70
65
0
0
0
LTC2258-12: 8k Point FFT, f
–1dBFS, 65Msps
0
LTC2258-12: 8k Point 2-Tone FFT,
f
65Msps
0
LTC2258-12: SFDR vs Input
Frequency, –1dB, 2V Range,
65Msps
IN
= 68MHz, 69MHz, –1dBFS,
50
INPUT FREQUENCY (MHz)
100
10
10
FREQUENCY (MHz)
FREQUENCY (MHz)
150
200
20
20
250
IN
300
= 30MHz
225812 G07
225812 G10
225812 G04
30
30
350
18000
10000
16000
14000
12000
8000
6000
4000
2000
–100
–110
–120
110
–10
–20
–30
–40
–50
–60
–70
–80
–90
100
90
80
70
60
50
40
30
20
10
0
0
0
2049
–80
LTC2258-12: 8k Point FFT, f
–1dBFS, 65Msps
0
LTC2258-12: Shorted Input
Histogram
LTC2258-12: SFDR vs Input Level,
f
IN
= 70MHz, 2V Range, 65Msps
–70 –60 –50 –40 –30 –20 –10
10
INPUT LEVEL (dBFS)
FREQUENCY (MHz)
OUTPUT CODE
dBFS
2051
dBc
20
IN
= 70MHz
225812 G08
225812 G05
225812 G12
30
2053
0
–100
–110
–120
–10
–20
–30
–40
–50
–60
–70
–80
–90
50
45
40
35
30
72
71
70
69
68
67
66
0
0
LTC2258-12: SNR vs Input
Frequency, –1dB, 2V Range,
65Msps
0
LTC2258-12: 8k Point FFT, f
–1dBFS, 65Msps
0
LTC2258-12: I
5MHz Sine Wave Input, –1dB
50
INPUT FREQUENCY (MHz)
100
SAMPLE RATE (Msps)
20
10
FREQUENCY (MHz)
LVDS OUTPUTS
150
VDD
CMOS OUTPUTS
vs Sample Rate,
200
40
20
250
IN
300
= 140MHz
225812 G09
225812 G13
225812 G06
225812p
60
30
350