Datasheet

Data Sheet AD7292
Rev. 0 | Page 5 of 40
GENERAL SPECIFICATIONS
AV
DD
= 4.75 V to 5.25 V, DV
DD
= 1.8 V to 5.25 V, V
REF
= 1.25 V internal, V
DRIVE
= 1.8 V to 5.25 V, A
GND
= 0 V, T
A
= −40°C to +125°C,
unless otherwise noted.
Table 3.
Parameter Min Typ Max Unit Test Conditions/Comments
LOGIC INPUTS
Input High Voltage, V
IH
0.7 × V
DRIVE
V V
DRIVE
= 2.3 V to 5.25 V
0.8 × V
DRIVE
V V
DRIVE
= 1.8 V to 1.95 V
Input Low Voltage, V
IL
0.3 × V
DRIVE
V V
DRIVE
= 2.3 V to 5.25 V
0.2 × V
DRIVE
V V
DRIVE
= 1.8 V to 1.95 V
Input Leakage Current, I
IN
±1 μA
Input Capacitance, C
IN
3 pF
Input Hysteresis, V
HYST
0.05 × V
DRIVE
V
GPIO OUTPUTS
I
SINK
/I
SOURCE
1.6 mA
Output High Voltage, V
OH
DV
DD
− 0.2 V I
SINK
/I
SOURCE
= 1.6 mA
Output Low Voltage, V
OL
0.4 V I
SINK
/I
SOURCE
= 1.6 mA
POWER REQUIREMENTS
AV
DD
4.75 5.25 V
DV
DD
1.8 5.25 V
V
DRIVE
1.8 5.25 V
Static Current
I
AVDD
4.2 5.4 mA
I
DVDD
0.65 1.3 mA
I
DRIVE
0.12 0.35 mA
Total Static Current 4.97 mA AV
DD
+ DV
DD
+ V
DRIVE
Dynamic Current
I
AVDD
6.45 8.5 mA
I
DVDD
0.65 1.3 mA
I
DRIVE
0.12 0.35 mA
Total Dynamic Current 7.22 mA
AV
DD
+ DV
DD
+ V
DRIVE
, DAC outputs loaded
and converting at full scale, continuous
conversion on ADC inputs
Power Dissipation
Static 26 34.125 mW
Dynamic 37.9 50.925 mW
TEMPERATURE SENSOR SPECIFICATIONS
AV
DD
= 4.75 V to 5.25 V, DV
DD
= 1.8 V to 5.25 V, V
REF
= 1.25 V internal, V
DRIVE
= 1.8 V to 5.25 V, A
GND
= 0 V, T
A
= −40°C to +125°C,
unless otherwise noted.
Table 4.
Parameter Min Typ Max Unit Test Conditions/Comments
INTERNAL TEMPERATURE SENSOR
Operating Range −40 +125 °C
Accuracy ±1 ±3 °C T
A
= −40°C to +125°C
±1 ±2 °C T
A
= 0°C to +125°C
0.5 ±1.5 °C T
A
= 25°C
Resolution 0.03125 °C Digital filter enabled
Update Rate 1.25 ms