Datasheet

LTC1403/LTC1403A
6
1403fb
TYPICAL PERFORMANCE CHARACTERISTICS
T
A
= 25°C, V
DD
= 3V (LTC1403A)
Differential and Integral Linearity
vs Conversion Rate SINAD vs Conversion Rate
2.5V
P-P
Power Bandwidth CMRR vs Frequency PSRR vs Frequency
Reference Voltage vs Load
Current Reference Voltage vs V
DD
V
DD
Supply Current vs
Conversion Rate
CONVERSION RATE (Msps)
2.0 2.2 3.02.6 3.8 4.02.82.4 3.43.2
LINEARITY (LSB)
1403A G15
5
4
3
2
1
0
–1
–2
–3
–4
–5
MAX INL
18 CLOCKS PER CONVERSION
MAX DNL
MIN DNL
MIN INL
3.6
CONVERSION RATE (Msps)
2.0 2.2 3.02.6 3.8 4.02.82.4 3.4 3.63.2
S/(N+D)
1403A G16
80
79
78
77
76
75
74
73
72
71
70
EXTERNAL V
REF
= 3.3V f
IN
~f
S
/40
INTERNAL V
REF
= 2.5V f
IN
~f
S
/40
INTERNAL V
REF
= 2.5V f
IN
~f
S
/3
EXTERNAL V
REF
= 3.3V f
IN
~f
S
/3
FREQUENCY (Hz)
1M 10M 100M 1G
–18
AMPLITUDE (dB)
–12
–6
0
1403A G07
–24
–30
–36
6
12
FREQUENCY (Hz)
100
CMRR (dB)
0
–20
–40
–60
–80
–100
–120
1k
10k 100k 1M
1403A G08
10M 100M
FREQUENCY (Hz)
110
–50
PSRR (dB)
–45
–40
–35
–30
100 1k 10k 100k 1M
1403A G09
–55
–60
–65
–70
–25
LOAD CURRENT (mA)
0.4 0.8 1.2 1.6
1403A G10
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
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
1403A G11
2.6 3.6
CONVERSION RATE (Msps)
0 2.01.61.20.80.4 2.8 3.22.4 3.6 4.0
V
DD
SUPPLY CURRENT (mA)
1403A G12
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
T
A
= 25°C, V
DD
= 3V (LTC1403 and LTC1403A)