Datasheet

LTC1407/LTC1407A
7
1407fb
TYPICAL PERFORMANCE CHARACTERISTICS
Full-Scale Signal Frequency
Response CMRR vs Frequency Crosstalk vs Frequency
Simultaneous Input Steps at CH0
and CH1 from 25Ω PSSR vs Frequency
V
DD
= 3V, T
A
= 25°C (LTC1407/LTC1407A)
FREQUENCY (Hz)
1M 10M 100M 1G
–18
AMPLITUDE (dB)
–12
–6
0
1407 G07
–24
–30
–36
6
12
FREQUENCY (Hz)
–80
CMRR (dB)
–40
0
–100
–60
–20
100 1k
1407 G08
–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
1407 G09
–90
CH0 TO CH1
CH1 TO CH0
TIME (ns)
0
–0.6
ANALOG INPUTS (V)
–0.2
0.6
1.0
1.4
20
3.0
1407 G10
0.2
10
5
25
15 30
1.8
2.2
2.6
CH0
CH1
FREQUENCY (Hz)
110
–50
PSRR (dB)
–45
–40
–35
–30
100 1k 10k 100k 1M
1407 G11
–55
–60
–65
–70
–25
Reference Voltage vs V
DD
Reference Voltage
vs Load Current
V
DD
(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
1407 G12
2.6 3.6
LOAD CURRENT (mA)
0.4 0.8 1.2 1.6
1407 G13
2.00.20 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