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| MAX11358B Datasheet, PDF (3/70 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
Normal-Mode 60Hz Rejection
Ratio
Normal-Mode 50Hz Rejection
Ratio
Absolute Input Range
SYMBOL
CONDITIONS
PGA gain = 1, unipolar mode, data rate =
40sps (Note 2)
Data rate = 10sps or 40sps, PGA gain = 1,
unipolar mode (Note 2)
Differential Input Range
Unipolar mode
Bipolar mode
DC Input Current (Note 7)
Input Sampling Capacitance
ADC not in measurement mode, mux
enabled, TA +55°C, inputs = +0.1V to
(AVDD - 0.1V)
TA = +85°C
CIN
Input Sampling Rate
fSAMPLE
External Source Impedance at Input
FORCE-SENSE DAC (RL = 10k and CL = 200pF, FBA = OUTA, unless otherwise noted)
Resolution
Guaranteed monotonic
Differential Nonlinearity
DNL Code 3D hex to 3FF hex
Integral Nonlinearity
INL Code 3D hex to 3FF hex
Offset Error
Reference to code 52 hex
Offset-Error Tempco
Gain Error
Excludes offset and voltage reference error
Gain-Error Tempco
Excludes offset and reference drift
Input Leakage Current at SWA/B
Switches open (Notes 7, 8)
Input Leakage Current at FBA/B
VFBA = +0.3V to
(AVDD - 0.3V)
(Note 7)
TA = -40°C to +85°C
TA = 0°C to +70°C
TA = 0°C to +50°C
DAC Output Buffer Leakage
Current
DAC buffer disabled (Note 7)
Input Common-Mode Voltage
At FBA
Line Regulation
Load Regulation
Output Voltage Range
AVDD = +1.8V to +3.6V, TA = +25°C
IOUT = ±2mA, CL = 1000pF
MIN TYP MAX UNITS
100
dB
100
VAGND
-0.05/
Gain
-VREF/
Gain
dB
AVDD
V
VREF/
Gain
V
VREF/
Gain
±1
nA
±5
5
pF
21.94
kHz
Table 3
10
Bits
±1
LSB
±4
LSB
±20
mV
5
μV/°C
±5
LSB
5.6
ppm/°C
±1
nA
±1
nA
±600
pA
±400
±75
nA
0
AVDD -
V
0.35
40
175 μV/V
0.5 μV/μA
VAGND
AVDD
V
_______________________________________________________________________________________ 3
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