
LTC2355-12/LTC2355-14
2355fa
Differential and Integral Linearity
vs Conversion Rate
SINAD vs Conversion Rate, Input
Frequency = 1.4MHz
2.5VP-P Power Bandwidth
CMRR vs Frequency
PSRR vs Frequency
Internal Reference Voltage vs
Load Current
Internal Reference Voltage
vs VDD
VDD Supply Current vs
Conversion Rate
typical perFormance characteristics T
A = 25°C, VDD = 3.3V (LTC2355-14)
TA = 25°C, VDD = 3.3V (LTC2355-12 and LTC2355-14)
CONVERSION RATE (Msps)
2.0
LINEARIT
Y(LSB)
3
4
2
1
0
–1
–2
–3
–4
3.6
2355 G09
2.4
2.8
3.2
4.0
3.4
2.2
2.6
3.0
3.8
MAX INL
MAX DNL
MIN INL
MIN DNL
CONVERSION RATE (Msps)
2
SINAD
(dB)
73
74
75
3.6
2355 G10
72
71
70
2.2 2.4 2.6 2.8 3 3.2 3.4
3.8 4
FREQUENCY (Hz)
1M
10M
100M
1G
–18
AMPLITUDE
(dB)
–12
–6
0
2355 G11
–24
–30
–36
6
12
FREQUENCY (Hz)
100
CMRR
(dB)
0
–20
–40
–60
–80
–100
–120
1k
10k
100k
1M
2355 G12
10M 100M
FREQUENCY (Hz)
1
10
–50
PSRR
(dB) –45
–40
–35
–30
100
1k
10k
100k
1M
2355 G13
–55
–60
–65
–70
–25
LOAD CURRENT (mA)
0.4
0.8
1.2
1.6
2355 G14
2.0
0.2
0
0.6
1.0
1.4
1.8
2.4890
V REF
(V)
2.4894
2.4898
2.4902
2.4892
2.4896
2.4900
VDD (V)
2.4890
V REF
(V)
2.4894
2.4898
2.4902
2.4892
2.4896
2.4900
2.8
3.0
3.2
3.4
2355 G15
2.6
3.6
CONVERSION RATE (Mps)
0
V DD
SUPPL
YCURRENT
(mA)
1
0.5
2
1.5
3
2.5
4
3.5
6
5.5
0.5
1
1.5
2
2355 G16
2.5
3.5
3
4
5
4.5