MAX1358B Datasheet, PDF (9/71 Pages) Maxim Integrated Products – 16-Bit, Data-Acquisition System with ADC, DACs, UPIOs, RTC, Voltage Monitors, and Temp Sensor

16-Bit, Data-Acquisition System with ADC, DACs,
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, f_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
UPIO_ Input High Voltage
SYMBOL
CONDITIONS
DV_DD supply voltage
CPOUT supply voltage
UPIO_ Input Low Voltage
DV_DD supply voltage
CPOUT supply voltage
Input Hysteresis
Input Current
Input Capacitance
UPIO_ Input Current
V_HYS
I_IN
DV_DD = 3.0V
V_IN = V_DGND or DV_DD (Note 7)
V_IN = V_DGND or DV_DD
V_IN = DV_DD or V_CPOUT, pullup enabled
V_IN = DV_DD or V_CPOUT or 0V,
pullup disabled
UPIO_ Pullup Current
V_IN = 0V, pullup enabled, unconnected
UPIO_ inputs are pulled up to DV_DD or
CPOUT with pullup enabled
DIGITAL OUTPUTS (DOUT, RESET, UPIO_, CLK32K, INT, CLK)
Output Low Voltage
V_OL
I_SINK = 1mA
Output High Voltage
V_OH
I_SOURCE = 500µA
DOUT Three-State Leakage
Current
I_L
MIN TYP MAX UNITS
0.7 x
DV_DD
V
0.7 x
V_CPOUT
0.3 x
DV_DD
V
0.3 x
V_CPOUT
200
mV
±0.01 ±100
nA
4
pF
±0.01
1
µA
1
0.1
2
5
µA
0.8 x
DV_DD
0.4
V
V
±0.01 ±1
µA
DOUT Three-State Output
Capacitance
C_OUT
4.5
pF
RESET Output Low Voltage
RESET Output Leakage Current
V_OL
I_SINK = 1mA
Open-drain output, RESET deasserted
(Note 7)
0.4
V
0.1
µA
UPIO_ Output Low Voltage
V_OL
I_SINK = 1mA, UPIO_ referenced to DV_DD
I_SINK = 4mA, UPIO_ referenced to CPOUT
0.4
V
0.4
I_SOURCE = 500µA, UPIO_ referenced to
0.8 x
DV_DD
DV_DD
UPIO_ Output High Voltage
V_OH
V
I_SOURCE = 4mA, UPIO_ referenced to
V_CPOUT
CPOUT
- 0.4
POWER REQUIREMENT
Analog Supply Voltage Range
Digital Supply Voltage Range
AV_DD
DV_DD
1.8
3.6
V
1.8
3.6
V
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