ADS5481_0811 Datasheet, PDF (18/42 Pages) Texas Instruments – 16-Bit, 80/105/135-MSPS Analog-to-Digital Converters

ADS5481
ADS5482
ADS5483
SLAS565A – JUNE 2008 – REVISED NOVEMBER 2008................................................................................................................................................... www.ti.com
TYPICAL CHARACTERISTICS (continued)
At T_A = +25°C, sampling rate = max rated, 50% clock duty cycle, 3-V_PP differential sinusoidal clock, analog input amplitude =
–1 dBFS, AVDD5 = 5 V, AVDD3 = 3.3 V, and DVDD3 = 3.3 V, unless otherwise noted.
ADS5482 SNR
vs
AVDD5 OVER TEMPERATURE
82
T_A = −20°C
81
T_A = −40°C
80
79
78 _{TA = 55°C}
T_A = 0°C
T_A = 100°C
77
T_A = 25°C
T_A = 85°C
76
T_A = 10°C
f_S = 105 MSPS
f_IN = 30 MHz
75
4.7
4.8
4.9
5.0
5.1
5.2
5.3
AVDD5 − Supply Voltage − V
G030
Figure 31.
ADS5482 SNR
vs
AVDD3 OVER TEMPERATURE
82
T_A = −40°C
T_A = −20°C
81
80
79
78
77
76
75
2.9
T_A = 25°C
T_A = 10°C
T_A = 55°C
T_A = 100°C
T_A = 0°C
T_A = 85°C
f_S = 105 MSPS
f_IN = 30 MHz
3.0 3.1 3.2 3.3 3.4 3.5 3.6 3.7
AVDD3 − Supply Voltage − V
G032
Figure 33.
ADS5482 SFDR
vs
AVDD3 OVER TEMPERATURE
100
95
T_A = 100°C
90
T_A = 55°C
T_A = 85°C
T_A = −20°C
T_A = 0°C
T_A = −40°C
85
T_A = 25°C
T_A = 10°C
f_S = 105 MSPS
f_IN = 30 MHz
80
2.9 3.0 3.1 3.2 3.3 3.4 3.5 3.6 3.7
AVDD3 − Supply Voltage − V
G031
Figure 32.
ADS5482 SFDR
vs
DVDD3 OVER TEMPERATURE
100
95
T_A = 100°C
90
85
80
2.9
T_A = 85°C
T_A = 55°C
T_A = 25°C
T_A = −40°C
T_A = 0°C
T_A = −20°C
T_A = 10°C
f_S = 105 MSPS
f_IN = 30 MHz
3.0 3.1 3.2 3.3 3.4 3.5 3.6 3.7
DVDD3 − Supply Voltage − V
G033
Figure 34.
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