Rainbow Electronics DS1780 User 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