ADS5433 Datasheet, PDF (4/22 Pages) Texas Instruments – 14 BIT, 80 MSPS ANALOG-TO-DIGITAL CONVERTER

ADS5433
SLAS503 – APRIL 2006
www.ti.com
ELECTRICAL CHARACTERISTICS
Over full temperature range (T_MIN = –40°C to T_MAX = 85°C), sampling rate = 80 MSPS, 50% clock duty cycle, AV_DD = 5 V,
DRV_DD = 3.3 V, –1 dBFS differential input, and 3 V_PP differential sinusoidal clock, unless otherwise noted.
PARAMETER
TEST CONDITIONS
MIN TYP MAX UNIT
RESOLUTION
14
Bits
ANALOG INPUTS
Differential input range
Differential input resistance
See Figure 27
2.2
V_PP
1
kΩ
Differential input capacitance
See Figure 27
1.5
pF
Analog input bandwidth
570
MHz
INTERNAL REFERENCE VOLTAGES
V_REF
Reference voltage
DYNAMIC ACCURACY
2.4
V
No missing codes
Tested
DNL
INL
Differential linearity error
Integral linearity error
Offset error
f_IN = 10 MHz
f_IN = 10 MHz
–0.95 ±0.5
±1.5
–5
0
1.5 LSB
LSB
5 mV
Offset temperature coefficient
1.7
ppm/°C
Gain error
–5
0.9
5 %FS
PSRR
1
mV/V
Gain temperature coefficient
77
ppm/°C
POWER SUPPLY
I_AVDD
I_DRVDD
Analog supply current
Output buffer supply current
Power dissipation
Power-up time
V_IN = full scale, f_IN = 30 MHz
V_IN = full scale, f_IN = 30 MHz
Total power with 10-pF load on each digital
output to ground, f_IN = 70 MHz
355
410 mA
35
47 mA
1.85
2.2 W
20
100 ms
DYNAMIC AC CHARACTERISTICS
SNR
Signal-to-noise ratio
SFDR
Spurious-free dynamic range
f_IN = 10 MHz
f_IN = 30 MHz
f_IN = 50 MHz
f_IN = 70 MHz
f_IN = 100 MHz
f_IN = 170 MHz
f_IN = 230 MHz
f_IN = 10 MHz
f_IN = 30 MHz
f_IN = 50 MHz
f_IN = 70 MHz
f_IN = 100 MHz
f_IN = 170 MHz
f_IN = 230 MHz
74.6
73 74.4
74.3
73
74
dBc
73.4
71.9
70.5
95.3
91 96.5
95.7
90.8
dBc
84
70
61.3
4
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