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| MAX11358B Datasheet, PDF (5/70 Pages) Maxim Integrated Products – 16-Bit Data-Acquisition System with ADC, DAC, UPIOs, RTC, Voltage Monitors, and Temp Sensor | |||
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16-Bit Data-Acquisition System with ADC, DAC,
UPIOs, RTC, Voltage Monitors, and Temp Sensor
ELECTRICAL CHARACTERISTICS (continued)
(AVDD = DVDD = +1.8V to +3.6V, VREF = +1.25V, external reference, CLK32K = 32.768kHz (external clock), CREG = 10µF, CCPOUT =
10µF, 10µF between CF+ and CF-, TA = TMIN to TMAX, unless otherwise noted. Typical values are at TA = +25°C.) (Note 1)
PARAMETER
Long-Term Stability
Output Noise Voltage
Turn-On Settling Time
TEMPERATURE SENSOR
Temperature Measurement
Resolution
SYMBOL
CONDITIONS
(Note 9)
f = 0.1Hz to 10Hz, AVDD = 3V
f = 10Hz to 10kHz, AVDD = 3V
Buffer only, settle to 0.1% of final value
10sps
MIN TYP MAX UNITS
150
ppm/
1000hrs
50
200
µVP-P
100
µs
0.11
°C/LSB
Internal Temperature-Sensor
Measurement Error (Note 10)
Internal voltage
TA = 0°C to +50°C
±0.5
reference, two-
°C
current method
TA = -40oC to +85°C
±1
External Temperature-Sensor
Measurement Error (Note 11)
Temperature Measurement Noise
TA = +25°C
TA = 0°C to +50°C
TA = -40°C to +85°C
±0.5
±0.5
°C
±1.0
0.18
°CRMS
Temperature Measurement
Power-Supply Rejection Ratio
0.2
°C/V
OP AMP
Input Offset Voltage
Offset-Error Tempco
VOS VCM = 0.5V
±1
±15
mV
6.2
µV/oC
Input Bias Current (Note 7)
Input Offset Current
IBIAS
IOS
TA = -40°C to +85°C
IN1+
TA = 0°C to +70°C
TA = 0°C to +50°C
TA = -40°C to +85°C
IN1-
TA = 0°C to +70°C
TA = 0°C to +50°C
VIN1_ = +0.3V to (AVDD - 0.3V) (Note 7)
0.006 ±1
nA
4
±300
pA
2
±200
0.025 ±1
nA
20 ±600
pA
±400
±1
nA
Input Common-Mode Voltage
Range
CMVR
0
AVDD -
V
0.35
0 ⤠VCM ⤠75mV
60
Common-Mode Rejection Ratio
CMRR 75mV < VCM ⤠AVDD - 0.5V, TA = +25°C
60
75
dB
AVDD - 0.5V ⤠VCM ⤠AVDD - 0.35V
75
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