MAX11359A Datasheet, PDF (7/66 Pages) Maxim Integrated Products – 16-Bit Data-Acquisition System with ADC, DAC, UPIOs, RTC, Voltage Monitors, and Temp Sensor

16-Bit Data-Acquisition System with ADC, DAC,
UPIOs, RTC, Voltage Monitors, and Temp Sensor
ELECTRICAL CHARACTERISTICS (continued)
(AV_DD = DV_DD = +1.8V to +3.6V, V_REF = +1.25V, external reference, CLK32K = 32.768kHz (external clock), C_REG = 10µF, C_CPOUT =
10µF, 10µF between CF+ and CF-, T_A = T_MIN to T_MAX, unless otherwise noted. Typical values are at T_A = +25°C.) (Note 1)
PARAMETER
SYMBOL
CONDITIONS
MIN TYP
Input Capacitance
SNO_, SNC_, or SCM_ = AV_DD or AGND;
5
switch connected to enabled mux input
CHARGE PUMP (10µF at REG and 10µF external capacitor between CF+ and CF-)
Maximum Output Current
I_OUT
10
Output Voltage
No load
I_OUT = 10mA
3.2
3.3
3.0
Output Voltage Ripple
10µF external capacitor between CPOUT
and DGND, I_OUT = 10mA, excluding ESR of
external capacitor
Load Regulation
I_OUT = 10mA, excluding ESR of external
capacitor
15
REG Input Voltage Range
REG Input Current
CPOUT Input Voltage Range
CPOUT Input Leakage Current
SIGNAL-DETECT COMPARATOR
Differential Input-Detection
Threshold Voltage
Internal linear regulator disabled
Linear regulator off, charge pump off
Charge pump disabled
Charge pump disabled
TSEL[2:0] = 0 hex
TSEL[2:0] = 4 hex
TSEL[2:0] = 5 hex
TSEL[2:0] = 6 hex
TSEL[2:0] = 7 hex
1.6
3
1.8
2
0
50
100
150
200
Differential Input-Detection
±10
Threshold Error
Common-Mode Input Voltage
Range
V_AGND
Turn-On Time
50
VOLTAGE MONITORS
DV_DD Monitor Supply Voltage
Range
For valid reset
1.0
Trip Threshold (DV_DD Falling)
DV_DD Monitor Timeout Reset
Period
1.80 1.85
1.5
HYSE bit set to logic 1
200
DV_DD Monitor Hysteresis
HYSE bit set to logic 0
35
MAX UNITS
pF
mA
3.6
V
50
mV
20 mV/mA
1.8
V
nA
3.6
V
nA
mV
mV
AV_DD
V
µs
3.6
V
1.90
V
s
mV
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