ltc2258cuj-14 Linear Technology Corporation, ltc2258cuj-14 Datasheet - Page 12

• Manufacturer Part Number: ltc2258cuj-14
• Description: 14-bit, 65/40/25msps Ultralow Power 1.8v Adcs
• Manufacturer: Linear Technology Corporation

LTC2258-14
LTC2257-14/LTC2256-14
12
TYPICAL PERFORMANCE CHARACTERISTICS
6000
5000
4000
3000
2000
1000
110
100
80
70
60
50
40
30
20
10
74
73
72
71
70
69
68
67
66
90
0
8198
0
–80
0.6
LTC2257-14: Shorted Input
Histogram
LTC2257-14: SFDR vs Input Level,
f
LTC2257-14: SNR vs SENSE,
f
IN
IN
= 70MHz, 2V Range, 40Msps
= 5MHz, –1dB
–70 –60 –50 –40 –30 –20 –10
0.7
8200
0.8
INPUT LEVEL (dBFS)
OUTPUT CODE
SENSE PIN (V)
8202
0.9
dBFS
dBc
1
8204
1.1
8206
1.2
225814 G28
225814 G32
225814 G35
1.3
0
–0.5
–1.0
–1.5
–2.0
2.0
1.5
1.0
0.5
74
73
72
71
70
69
68
67
66
35
30
25
20
15
0
0
0
LTC2257-14: SNR vs Input
Frequency, –1dB, 2V Range,
40Msps
LTC2257-14: I
5MHz Sine Wave Input, –1dB
0
LTC2256-14: Integral Non-Linearity
(INL)
50
LVDS OUTPUTS
4096
INPUT FREQUENCY (MHz)
100
SAMPLE RATE (Msps)
OUTPUT CODE
CMOS OUTPUTS
150
VDD
8192
20
vs Sample Rate,
200
250
12288
300
225814 G41
225814 G29
225814 G33
16384
350
40
–0.2
–0.4
–0.6
–0.8
–1.0
1.0
0.8
0.6
0.4
0.2
45
40
35
30
25
20
15
10
95
90
85
80
75
70
65
5
0
0
0
0
LTC2257-14: SFDR vs Input
Frequency, –1dB, 2V Range,
40Msps
0
LTC2256-14: Differential
Non-Linearity (DNL)
LTC2257-14: IO
Rate, 5MHz Sine Wave Input,
–1dB, 5pF on Each Data Output
50
4096
1.8V CMOS
INPUT FREQUENCY (MHz)
100
1.75mA LVDS
3.5mA LVDS
SAMPLE RATE (Msps)
OUTPUT CODE
150
VDD
8192
20
200
vs Sample
250
1.2V CMOS
12288
300
225814 G34
225814 G30
225814 G42
225814p
16384
350
40