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

• 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
12
TYPICAL PERFORMANCE CHARACTERISTICS
18000
16000
14000
12000
10000
8000
6000
4000
2000
110
100
90
80
70
60
50
40
30
20
10
72
71
70
69
68
67
66
0
0
2049
–80
LTC2257-12: Shorted Input
Histogram
0.6
LTC2257-12: SFDR vs Input Level,
f
LTC2257-12: SNR vs SENSE,
f
IN
IN
= 70MHz, 2V Range, 40Msps
–70 –60 –50 –40 –30 –20 –10
= 5MHz, –1dB
0.7
0.8
INPUT LEVEL (dBFS)
OUTPUT CODE
SENSE PIN (V)
0.9
dBFS
2051
dBc
1
1.1
1.2
225812 G28
225812 G32
225812 G35
2053
1.3
0
–0.2
–0.4
–0.6
–0.8
–1.0
1.0
72
71
70
69
68
67
66
0.8
0.6
0.4
0.2
35
30
25
20
0
0
LTC2257-12: SNR vs Input
Frequency, –1dB, 2V Range,
40Msps
0
0
LTC2256-12: Integral Nonlinearity
(INL)
LTC2257-12: I
5MHz Sine Wave Input, –1dB
50
LVDS OUTPUTS
1024
INPUT FREQUENCY (MHz)
100
SAMPLE RATE (Msps)
OUTPUT CODE
150
VDD
CMOS OUTPUTS
2048
20
200
vs Sample Rate,
250
3072
300
225812 G29
225812 G33
225812 G41
350
4096
40
–0.2
–0.4
–0.6
–0.8
–1.0
1.0
0.8
0.6
0.4
0.2
95
90
85
80
75
70
65
45
40
35
30
25
20
15
10
0
5
0
0
LTC2257-12: SFDR vs Input
Frequency, –1dB, 2V Range,
40Msps
LTC2256-12: Differential
Nonlinearity (DNL)
0
0
LTC2257-12: IO
Rate, 5MHz Sine Wave Input,
–1dB, 5pF on Each Data Output
50
1.8V CMOS
1024
INPUT FREQUENCY (MHz)
100
1.75mA LVDS
SAMPLE RATE (Msps)
3.5mA LVDS
OUTPUT CODE
150
VDD
2048
20
200
vs Sample
250
3072
1.2V CMOS
300
225812 G30
225812 G42
225812 G34
225812p
4096
350
40