MAX11359A_12 Datasheet, PDF (7/67 Pages) Maxim Integrated Products – 16-Bit Data-Acquisition System with ADC, DAC, UPIOs, RTC, Voltage Monitors, and Temp Sensor

MAX11359A
16-Bit Data-Acquisition System with ADC, DAC,
UPIOs, RTC, Voltage Monitors, and Temp Sensor
ELECTRICAL CHARACTERISTICS (continued)
(V_AVDD = V_DVDD = +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 MAX UNITS
Input Capacitance
SNO_, SNC_, or SCM_ = AVDD or AGND;
5
pF
switch connected to enabled mux input
CHARGE PUMP (10µF at REG and 10µF external capacitor between CF+ and CF-)
Maximum Output Current
Output Voltage
I_OUT
No load
I_OUT = 10mA
10
mA
3.2
3.3
3.6
V
3.0
Output Voltage Ripple
10µF external capacitor between CPOUT
and DGND, I_OUT = 10mA, excluding ESR of
external capacitor
50
mV
Load Regulation
I_OUT = 10mA, excluding ESR of external
capacitor
15
20 mV/mA
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
1.8
V
3
nA
1.8
3.6
V
2
nA
0
50
100
mV
150
200
Differential Input-Detection
Threshold Error
±10
mV
Common-Mode Input Voltage
Range
V_AGND
V_AVDD
V
Turn-On Time
VOLTAGE MONITORS
50
µs
DVDD Monitor Supply Voltage
Range
For valid reset
1.0
3.6
V
Trip Threshold (V_DVDD Falling)
DVDD Monitor Timeout Reset
Period
1.80 1.85 1.90
V
1.5
s
DVDD Monitor Hysteresis
HYSE bit set to logic 1
HYSE bit set to logic 0
200
mV
35
Maxim Integrated
7