LTC1407-1/LTC1407A-1
TYPICAL PERFOR A CE CHARACTERISTICS VDD = 3V, TA = 25°C. Single ended signals drive
+CH0/+CH1 with –CH0/–CH1 = 1.5V DC, differential signals drive both inputs with VCM = 1.5V DC (LTC1407A-1)
Differential and Integral Linearity
vs Conversion Rate
8
7
6
5
4
MAX INL
3
2
MAX DNL
1
0
MIN DNL
–1
MIN INL
–2
–3
–4
2 2.25 2.5 2.75 3 3.25 3.5 3.75 4
CONVERSION RATE (MSPS)
VDD = 3V, TA = 25°C (LTC1407-1/LTC1407A-1)
14071 G12
SINAD vs Conversion Rate
78
77
76
75
74
73
72
71
70
69
68
2
EXTERNAL VREF = 3.3V, fIN ~ fS/3
EXTERNAL VREF = 3.3V, fIN ~ fS/40
INTERNAL VREF = 2.5V, fIN ~ fS/3
INTERNAL VREF = 2.5V, fIN ~ fS/40
2.5
3
3.5
4
CONVERSION RATE (Msps)
14071 G13
Full-Scale Signal Frequency
Response
12
CMRR vs Frequency
0
Crosstalk vs Frequency
–20
6
0
–6
–12
–18
–24
–30
–36
1M
–20
–40
–60
–80
–100
CH0 CH1
–30
–40
–50
–60
CH1 TO CH0
–70
CH0 TO CH1
–80
10M
100M
FREQUENCY (Hz)
1G
14071 G14
–120
100 1k
Output Match with Simultaneous
Input Steps at CH0 and CH1 from
25Ω
16384
14336
12288
CH0 AND CH1
RISING
10240
8192
CH0
CH1
6144
4096
2048
0
–5 0
CH0 AND CH1
FALLING
5 10 15
TIME (ns)
20 25
14071 G17
10k 100k 1M
FREQUENCY (Hz)
10M 100M
14071 G15
–90
100
1k
10k 100k 1M 10M
FREQUENCY (Hz)
14071 G16
PSSR vs Frequency
–25
–30
–35
–40
–45
–50
–55
–60
–65
–70
1
10 100 1k 10k 100k 1M
FREQUENCY (Hz)
14071 G18
14071f
7