DA6501.001
27 October 2008
ELECTRICAL CHARACTERISTICS
TA = -20oC to +60oC, Typ TA = 25oC, VDD = 2.35 V, Rsensor = 4.5kΩ unless otherwise noted
Parameter
Resolution
Symbol
Conditions
Min
Typ
Max
Unit
16
Bit
µV
ISR = 325 mV
ISR = 98 mV
ISRLIN = 282 mV, OSR = 512
ISRLIN = 85 mV, OSR = 512
4.9
1.5
17
5.1
4
Accuracy
µV
Integral Nonlinearity
INL
LSB
LSB
Differential Nonlinearity
DNL
3
ENOB
(Effective Number of Bits)
ISRLIN = 282 mV
OSR=512
OSR=256
14
13
Bit
OSR=128
OSR=64
12
10
External Clock Signal
MCLK
tDEL
30000
0.1
32768
35000
Hz
Delay Between End of
Conversion and ADC
Result Read-Out
MCLK = 32768 Hz
ms
Duty Cycle of MCLK
DUTYC
Master Clock Division Enabled
XENMCLKDIV=0
60/40
50/50
40/60
400
%
Serial Data Clock
SCL
ISR
kHz
mV
Input Signal Conversion
Range
Linear Input Signal
Conversion Range
Output Code Values
ISCR = 1
ISCR = 0
ISCR = 1
ISCR = 0
325
98
282
85
ISRLIN
mV
0
65152
+15%
Temperature Measurement
Resistors
R1
R2
R3
R4
-15%
7710
17000
3073
17000
-280
Ω
Temperature Measurement
Resistors Temp Coefficient
Note: ISCR refer to the I2C serial interface control bits, see table 1 on page 5.
TBD = To Be Defined
TCR
TBD
TBD
ppm /
°C
4 (16)
MAS [ MICRO ANALOG SYSTEMS ]
