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MAX1358B Datasheet, PDF (3/71 Pages) Maxim Integrated Products – 16-Bit, Data-Acquisition System with ADC, DACs, UPIOs, RTC, Voltage Monitors, and Temp Sensor
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16-Bit, Data-Acquisition System with ADC, DACs,
UPIOs, RTC, Voltage Monitors, and Temp Sensor
ELECTRICAL CHARACTERISTICS (continued)
(AVDD = DVDD = +1.8V to +3.6V, VREF = +1.25V, external reference, fCLK32K = 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
SYMBOL
CONDITIONS
MIN
Normal-Mode 60Hz Rejection
Ratio
PGA gain = 1, unipolar mode, data rate =
40sps (Note 2)
100
Normal-Mode 50Hz Rejection
Ratio
Data rate = 10sps or 40sps, PGA gain = 1,
unipolar mode (Note 2)
100
Absolute Input Range
Differential Input Range
Unipolar mode
Bipolar mode
VAGND
-0.05/
Gain
-VREF/
Gain
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
External Source Impedance at Input
fSAMPLE
FORCE-SENSE DAC (RL = 10k and CL = 200pF, FBA = OUTA, unless otherwise noted)
Resolution
Guaranteed monotonic
10
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
0
Line Regulation
Load Regulation
Output Voltage Range
AVDD = +1.8V to +3.6V, TA = +25°C
IOUT = ±2mA, CL = 1000pF
VAGND
TYP
5
21.94
Table
5
5.6
40
MAX UNITS
dB
dB
AVDD
V
VREF/
Gain
V
VREF/
Gain
±1
nA
±5
pF
kHz
±1
±4
±20
±5
±1
±1
±600
±400
Bits
LSB
LSB
mV
µV/°C
LSB
ppm/°C
nA
nA
pA
±75
nA
AVDD -
0.35
175
0.5
AVDD
V
µV/V
µV/µA
V
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