Datasheet

AD7414/AD7415
Rev. F | Page 3 of 20
SPECIFICATIONS
T
A
= T
MIN
to T
MAX
, V
DD
= 2.7 V to 5.5 V, unless otherwise noted. Temperature range as follows: A version = −40°C to +125°C.
Table 1.
Parameter A Version Unit Test Conditions/Comments
TEMPERATURE SENSOR AND ADC
Accuracy
1
±0.5 °C typ V
DD
= 3 V @ +40°C
−0.87 to +0.82
2
°C max V
DD
= 3 V @ +40°C
±1.5 °C max V
DD
= 3 V @ −40°C to +70°C
±2.0 °C max V
DD
= 3 V @ −40°C to +85°C
±3.0 °C max V
DD
= 3 V @ −40°C to +125°C
±2.0 °C typ V
DD
= 3 V @ −40°C to +125°C
±1.87
2
°C max V
DD
= 5.5 V @ +40°C
±2.0 °C typ V
DD
= 5.5 V @ −40°C to +85°C
±3.0 °C max V
DD
= 5.5 V @ −40°C to +85°C
±3.0 °C typ V
DD
= 5.5 V @ −40°C to +125°C
Resolution 10 Bits
Update Rate, t
R
800 ms typ
Temperature Conversion Time 25 μs typ
POWER SUPPLIES
Supply Current
3
Peak Supply Current
4
1.2 mA typ Current during conversion
Supply Current – Nonconverting 900 μA max Peak current between conversions
Inactive Serial Bus
5
Normal Mode @ 3 V 169 μA typ
Supply current with serial bus inactive. Part not
converting and D7 of configuration register = 0.
Normal Mode @ 5 V 188 μA typ
Active Serial Bus
6
Normal Mode @ 3 V 180 μA typ
Supply current with serial bus active. Part not
converting and D7 of configuration register = 0.
D7 of configuration register = 1. Typical values
are 0.04 μA at 3 V and 0.5 μA at 5 V.
Normal Mode @ 5 V 214 μA typ
Shutdown Mode 3 μA max
DIGITAL INPUT
Input High Voltage, V
IH
2.4 V min
Input Low Voltage, V
IL
0.8 V max
Input Current, I
IN
7
±1 μA max V
IN
= 0 V to V
DD
Input Capacitance, C
IN
10 pF max All digital inputs
DIGITAL OUTPUT (OPEN-DRAIN)
Output High Voltage, V
OH
2.4 V min
Output Low Voltage, V
OL
0.4 V max I
OL
= 1.6 mA
Output High Current, I
OH
1 μA max V
OH
= 5 V
Output Capacitance, C
OUT
10 pF max Typ = 3 pF
ALERT Output Saturation Voltage 0.8 V max I
OUT
= 4 mA