Datasheet

AD7416/AD7417/AD7418
Rev. I | Page 6 of 24
AD7416 SPECIFICATIONS
V
DD
= 2.7 V to 5.5 V, GND = 0 V, REF
IN
= 2.5 V, unless otherwise noted.
Table 2.
Parameter Min Typ Max Unit Test Conditions/Comments
TEMPERATURE SENSOR AND ADC
Accuracy ±2.0 °C T
A
= −25°C to + 100°C
(V
DD
= 3 V minimum)
1
±3.0 °C T
A
= −40°C to + 125°C
(V
DD
= 3 V minimum)
1
Resolution 10 Bits
Temperature Conversion Time 40 s
Update Rate, t
R
400 s
OTI Delay 1 × t
R
6 × t
R
ms Depends on fault queue setting
Supply Current 1.0 mA I
2
C active
350 600 A I
2
C inactive
0.2 1.5 A Shutdown mode
T
OTI
Default Temperature 80 °C
T
HYST
Default Temperature 75 °C
DIGITAL INPUTS
Input High Voltage, V
IH
V
DD
× 0.7 V
DD
+ 0.5 V
Input Low Voltage, V
IL
−0.3 V
DD
× 0.3 V
Input High Current, I
IH
+0.005 +1.0 A V
IN
= 5 V
Input Low Current, I
IL
−0.005 −1.0 A V
IN
= 0 V
Input Capacitance, C
IN
20 pF All digital inputs
DIGITAL OUTPUTS
Output Low Voltage, V
OL
0.4 V I
OL
= 3 mA
Output High Current 1 A V
OH
= 5 V
Output Fall Time, t
f
250 ns C
L
= 400 pF, I
O
= 3 mA
OS Output Low Voltage, V
OL
0.8 V I
OUT
= 4 mA
AC ELECTRICAL CHARACTERISTICS
2
AD7416/AD7417/AD7418
Serial Clock Period, t
1
2.5 s See Figure 4
Data In Setup Time to SCL High, t
2
50 ns See Figure 4
Data Out Stable after SCL Low, t
3
0 ns See Figure 4
SDA Low Setup Time to SCL Low
(Start Condition), t
4
50 ns See Figure 4
SDA High Hold Time after SCL High
(Stop Condition), t
5
50 ns See Figure 4
SDA and SCL Fall Time, t
6
300 ns See Figure 4
1
For V
DD
= 2.7 V to 3 V, T
A
maximum = 85°C and temperature sensor measurement error = ±3°C maximum.
2
Sample tested during initial release and after any redesign or process change that may affect this parameter.
SCL
t
1
t
4
t
2
t
5
t
3
t
6
SDA
DATA IN
SDA
DATA OUT
01126-004
Figure 4. Diagram for Serial Bus Timing