MAX1098/MAX1099
10-Bit Serial-Output Temperature Sensors
with 5-Channel ADC
2
_______________________________________________________________________________________
ABSOLUTE MAXIMUM RATINGS
ELECTRICAL CHARACTERISTICS
(VDD = +4.75V to +5.25V (MAX1098), VDD = +2.7V to +3.6V (MAX1099), external reference, VREF = +2.5V (MAX1098), VREF = +1.2V
(MAX1099), fSCLK = 2.5MHz, TA = TMIN to TMAX, unless otherwise noted. Typical values are at TA = +25°C.)
Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional
operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to
absolute maximum rating conditions for extended periods may affect device reliability.
VDD to GND.……………………………………………-0.3V to +6V
SHO to GND ................................................-0.3V to (VDD +0.3V)
Analog Inputs to GND
(AIN0–AIN5, REF)...................................-0.3V to (VDD +0.3V)
Digital Inputs to GND (DIN, SCLK, CS).......-0.3V to (VDD +0.3V)
Digital Outputs to GND (DOUT, SSTRB) .....-0.3V to (VDD +0.3V)
Digital Output Sink Current ..…………………………………25mA
Maximum Current into Any Pin……………………………….50mA
Continuous Power Dissipation (TA = +70°C)
16-Pin SSOP (derate 8.00mW/°C above +70°C) ........667mW
Operating Temperature Range
MAX109_ _EAE ...............................................-40°C to +85°C
Junction Temperature....……………………………………+150°C
Storage Temperature Range .............................-65°C to +150°C
Lead Temperature (soldering, 10s) .................................+300°C
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
DC ACCURACY (Note 1)
Resolution
RES
10
Bits
Relative Accuracy (Note 2)
INL
±1
LSB
Differential Nonlinearity
DNL
±1
LSB
Offset Error
Inputs AIN0
AIN5
±1
LSB
Offset Temperature Coefficient
±10
V/°C
Gain Error
Inputs AIN0
AIN5, offset nulled
±1
LSB
VDD/4 Absolute Error
±1
LSB
Gain Temperature Coefficient
±2
ppm/
°C
Channel-to-Channel Offset
Matching
±0.25
LSB
CONVERSION RATE
Voltage measurement
1.1
Conversion Time (Note 3)
tCONV
Temperature measurement
2.2
ms
Track/Hold Acquisition Time
tACQ
16
s
Aperture Delay
tAPR
30
ns
Internal Clock Frequency
fCLK
57.6
62.3
65.5
kHz
ANALOG INPUTS (AIN0
AIN5)
Input Voltage Range (Note 4)
Measurement with respect to IN-, Figure 1
-2VREF
+2VREF
V
Common-Mode Range
0VDD
V
Input Current (Note 5)
0.1
5
A
Input Capacitance
16
pF
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