ADS5423_14 Datasheet, PDF (12/28 Pages) Texas Instruments – 14 Bit, 80 MSPS Analog-to-Digital Converter

ADS5423
SLWS160A − FEBRUARY 2005 − REVIISED JANUARY 2010
www.ti.com
TYPICAL CHARACTERISTICS
Typical values are at T_A = 25°C, AV_DD = DRV_DD = 3.3 V, differential input amplitude = −1 dBFS, sampling rate = 80 MSPS, 3.3 Vpp sinusoidal
clock, 50% duty cycle, 16k FFT points, unless otherwise noted
SPURIOUS-FREE DYNAMIC RANGE
vs
SUPPLY VOLTAGE
96
95
60°C
85°C
94
93
92
91
90
−40°C
89
88
−20°C
87 ^{fS = 80 MSPS}
f_IN = 69.6 MHz
0°C
86
4.6
4.8
5.0
5.2
5.4
SIGNAL-TO−NOISE RATIO
vs
SUPPLY VOLTAGE
74.8
74.6
−40°C
74.4
74.2
74.0
0°C
40°C
73.8
73.6
73.4
85°C
73.2
73.0
f_S = 80 MSPS
f_IN = 69.6 MHz
100°C
4.6
4.8
5.0
5.2
5.4
AV_DD − Supply Voltage − V
Figure 20
AV_DD − Supply Voltage − V
Figure 21
SPURIOUS-FREE DYNAMIC RANGE
vs
SUPPLY VOLTAGE
96
f_S = 80 MSPS
95
85°C
f_IN = 69.6 MHz
40°C
94
93
92
91
90
−40°C
89
0°C
88
2.6 2.7 2.8 2.9 3.0 3.1 3.2 3.3 3.4 3.5 3.6 3.7 3.8
AV_DD − Supply Voltage − V
Figure 22
SIGNAL-TO-NOISE RATIO
vs
SUPPLY VOLTAGE
74.8
74.6
−40°C
74.4
74.2
74.0
73.8
60°C
0°C
20°C
40°C
73.6
85°C
73.4 f_S = 80 MSPS
f_IN = 69.6 MHz
73.2
2.6
2.8
3.0
3.2
3.4
3.6
3.8
IOV_DD − Supply Voltage − V
Figure 23
1.0
0.8
0.6
0.4
0.2
0.0
−0.2
−0.4
−0.6
−0.8
−1.0
0
12
DIFFERENTIAL NONLINEARITY
5000
10000
Code
Figure 24
15000
1.5
1.0
0.5
0.0
−0.5
−1.0
−1.5
−2.0
0
INTEGRAL NONLINEARITY
5000
10000
Code
Figure 25
15000