Rainbow Electronics DS1780 - Manual (Page 23)

DS1780
23 of 28
DC ELECTRICAL CHARACTERISTICS
Power Supply
(-40°C to +125°C, 2.8V
≤
V
DD
≤
5.75V)
PARAMETER SYMBOL CONDITION MIN TYP MAX UNITS NOTES
Active ADC and
DAC, Interface
Inactive
0.7 1.0 mA
ADC, DAC and
Interface
Inactive
125 µA Supply Current I
DD
Inactive ADC
and Interface,
DAC Active
250 500 µA
4, 5
DC ELECTRICAL CHARACTERISTICS:
Temperature-to-Digital Converter
(-40
°
C to +125
°
C, 2.8V
≤ =V
DD
≤
5.75V)
PARAMETER SYMBOL CONDITION MIN TYP MAX UNITS NOTES
-40°C ≤ TA
≤ 125°C
±3
Thermometer Error T
ERR
-25°C ≤ TA
≤ 100°C
±2
°C
Resolution 0.5 °C
DC ELECTRICAL CHARACTERISTICS:
Voltage-to-Digital Converter
(-40°C to +125°C, 2.8V
≤
V
DD
≤
5.75V)
PARAMETER SYMBOL CONDITION MIN TYP MAX UNITS NOTES
ADC Resolution 8 bits
+2.5V
IN
Input 13.0
+3.3V
IN
Input 17.2
+5V
IN
Input 26.0
+12V
IN
Input 62.5
+V
CCP1,2
Inputs
14.1
Voltage to Digital
Conversion
Resolution
(See Voltage A/D
Section)
+2.5V
S
Input 64.0
mV
0°C ≤ TA
≤ 100°C
±1.5 % 6
Total Adjusted Error TUE
-40°C ≤ TA
≤ +125°C
±2
Differential
Nonlinearity
DNL ±1 LSb
Power Supply
Sensitivity
PSS ±1 %/V
Monitoring Cycle t
C
0.5 1.0 s 7
Input Resistance R
IN
500k 750k Ω