
LTC1403-1/LTC1403A-1
8
14031fc
TYPICAL PERFORMANCE CHARACTERISTICS T
A = 25°C, VDD = 3V (LTC1403-1 and LTC1403A-1)
Reference Voltage vs Load
Current
Reference Voltage vs VDD
VDD Supply Current vs
Conversion Rate
2.5VP-P Power Bandwidth
CMRR vs Frequency
PSRR vs Frequency
FREQUENCY (Hz)
1M
10M
100M
1G
–18
AMPLITUDE
(dB)
–12
–6
0
14031 G12
–24
–30
–36
6
12
FREQUENCY (Hz)
100
CMRR
(dB)
0
–20
–40
–60
–80
–100
–120
1k
10k
100k
1M
14031 G13
10M 100M
FREQUENCY (Hz)
1
10
–50
PSRR
(dB) –45
–40
–35
–30
100
1k
10k
100k
1M
14031 G14
–55
–60
–65
–70
–25
LOAD CURRENT (mA)
0.4
0.8
1.2
1.6
14031 G15
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
14031 G16
2.6
3.6
CONVERSION RATE (Msps)
0
2.0
1.6
1.2
0.8
0.4
2.8 3.2
2.4
3.6 4.0
V DD
SUPPLY
CURRENT
(mA)
14031 G17
6.0
5.5
5.0
4.5
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0