Datasheet

LTC1407-1/LTC1407A-1
8
14071fb
TYPICAL PERFORMANCE CHARACTERISTICS
V
DD
= 3V, T
A
= 25°C. Single ended signals drive
+CH0/+CH1 with –CH0/–CH1 = 1.5V DC, differential signals drive both inputs with V
CM
= 1.5V DC (LTC1407A-1)
Full-Scale Signal Frequency
Response CMRR vs Frequency Crosstalk vs Frequency
Output Match with Simultaneous
Input Steps at CH0 and CH1
from 25Ω
PSSR vs Frequency
Differential and Integral Linearity
vs Conversion Rate SINAD vs Conversion Rate
V
DD
= 3V, T
A
= 25°C (LTC1407-1/LTC1407A-1)
CONVERSION RATE (MSPS)
2
LINEARITY (LSB)
2
5
6
4
14071 G19
1
0
–4
2.5 2.752.25
3 3.25
3.5 3.75
–2
8
7
4
3
–1
–3
MAX INL
MAX DNL
MIN DNL
MIN INL
CONVERSION RATE (Msps)
2 2.5 3 3.5 4
68
S/(N+D) (dB)
69
71
72
73
78
75
14071 G20
70
76
77
74
EXTERNAL V
REF
= 3.3V, f
IN
~ fS/3
EXTERNAL V
REF
= 3.3V, f
IN
~ fS/40
INTERNAL V
REF
= 2.5V, f
IN
~ fS/3
INTERNAL V
REF
= 2.5V, f
IN
~ fS/40
FREQUENCY (Hz)
1M 10M 100M 1G
–18
AMPLITUDE (dB)
–12
–6
0
14071 G21
–24
–30
–36
6
12
FREQUENCY (Hz)
–80
CMRR (dB)
–40
0
–100
–60
–20
100 1k
14071 G22
–120
10k 100k 1M 10M 100M
CH0 CH1
FREQUENCY (Hz)
–70
CROSSTALK (dB)
–50
–20
–80
–60
–40
–30
100 1k 10k 100k 1M 10M
14071 G23
–90
CH0 TO CH1
CH1 TO CH0
TIME (ns)
–5
OUTPUT CODE
6144
8192
10240
10
20
14071 G24
4096
2048
0
05 15
12288
14336
16384
25
CH0 AND CH1
RISING
CH0
CH1
CH0 AND CH1
FALLING
FREQUENCY (Hz)
110
–50
PSRR (dB)
–45
–40
–35
–30
100 1k 10k 100k 1M
14071 G25
–55
–60
–65
–70
–25