Datasheet

Data Sheet ADAS3022
Rev. B | Page 5 of 40
Parameter Test Conditions/Comments Min Typ Max Unit
1
AC Performance Internal reference
Signal-to-Noise Ratio (SNR) 90.0 93.0 dB
Signal-to-Noise-and-Distortion
(SINAD)
89.5 92.5 dB
Total Harmonic Distortion −105 dB
Spurious-Free Dynamic Range
(SFDR)
110 dB
INTERNAL REFERENCE
REFx Output Voltage T
A
= 25°C 4.088 4.096 4.104 V
REFx Output Current T
A
= 25°C 250 µA
REFx Temperature Drift REFEN = 1 ±5 ppm/°C
REFEN = 0 ±1 ppm/°C
REFx Line Regulation AVDD = 5 V ± 5%
Internal Reference 20 µV/V
Buffer Only 4 µV/V
REFIN Output Voltage
4
T
A
= 25°C 2.495 2.500 2.505 V
Turn-On Settling Time C
REFIN
, C
REF1
, C
REF2
= 10 µF and 0.1 µF 100 ms
EXTERNAL REFERENCE
Voltage Range REFx input 4.000 4.096 4.104 V
REFIN input (buffered) 2.5 2.505 V
Current Drain
V
REF
= 4.096 V
100
µA
TEMPERATURE SENSOR
Output Voltage T
A
= 25 °C 275 mV
Temperature Sensitivity 800 µV/°C
DIGITAL INPUTS
Logic Levels
V
IL
VIO > 3 V −0.3 +0.3 × VIO V
V
IH
VIO > 3 V 0.7 × VIO VIO + 0.3 V
V
IL
VIO ≤ 3 V −0.3 +0.1 × VIO V
V
IH
VIO ≤ 3 V 0.9 × VIO VIO + 0.3 V
I
IL
−1 +1 µA
I
IH
−1 +1 µA
DIGITAL OUTPUTS
5
Data Format Twos complement
V
OL
I
SINK
= +500 µA 0.4 V
V
OH
I
SOURCE
= −500 µA VIO − 0.3 V
POWER SUPPLIES PD = 0
VIO 1.8 AVDD + 0.3 V
AVDD
4.75
5
5.25
V
DVDD 4.75 5 5.25 V
VDDH
6
VDDH > input voltage + 2.5 V 14.25 15 15.75 V
VSSH
6
VSSH < input voltage − 2.5 V −15.75 −15 −14.25 V
I
VDDH
PGIA gain = 0.16 3.0 3.5 mA
PGIA gain = 0.2 3.0 3.5 mA
PGIA gain = 0.4 3.5 4.0 mA
PGIA gain = 0.8 5.0 5.5 mA
PGIA gain = 1.6 8.5 9.5 mA
PGIA gain = 3.2 15.5 17.5 mA
PGIA gain = 6.4 15.5 17.5 mA
All PGIA gains, PD = 1 100 µA