Datasheet

MAX11359A
16-Bit Data-Acquisition System with ADC, DAC,
UPIOs, RTC, Voltage Monitors, and Temp Sensor
9
Maxim Integrated
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
DVDD supply voltage
0.7 x
V
DVDD
UPIO_ Input High Voltage
CPOUT supply voltage
0.7 x
V
CPOUT
V
DVDD supply voltage
0.3 x
V
DVDD
UPIO_ Input Low Voltage
CPOUT supply voltage
0.3 x
V
CPOUT
V
Input Hysteresis V
HYS
V
DVDD
= 3.0V 200 mV
Input Current I
IN
V
IN
= V
DGND
or DVDD (Note 7) ±0.01 ±100 nA
Input Capacitance V
IN
= V
DGND
or DVDD 10 pF
V
IN
= DVDD or V
CPOUT
, pullup enabled ±0.01 1
UPIO_ Input Current
V
IN
= DVDD or V
CPOUT
or 0V,
pullup disabled
1
µA
UPIO_ Pullup Current
V
IN
= 0, pullup enabled, unconnected UPIO
inputs are pulled up to DVDD or CPOUT
with pullup enabled
0.5 2 5 µA
DIGITAL OUTPUTS (DOUT, RESET, UPIO_, CLK32K, INT, CLK)
Output Low Voltage V
OL
I
SINK
= 1mA 0.4 V
Output High Voltage V
OH
I
SOURCE
= 500µA
0.8 x
V
DVDD
V
DOUT Three-State Leakage
Current
I
L
±0.01 ±1µA
DOUT Three-State Output
Capacitance
C
OUT
15 pF
RESET Output Low Voltage V
OL
I
SINK
= 1mA 0.4 V
RESET Output Leakage Current Open-drain output, RESET deasserted 0.1 µA
I
SINK
= 1mA, UPIO_ referenced to DVDD 0.4
UPIO_ Output Low Voltage V
OL
I
SINK
= 4mA, UPIO_ referenced to CPOUT 0.4
V
I
SOURCE
= 500µA, UPIO_ referenced to
DVDD
0.8 x
V
DVDD
UPIO_ Output High Voltage V
OH
I
SOURCE
= 4mA, UPIO_ referenced to
CPOUT
V
C P OU T
- 0.4
V
POWER REQUIREMENT
Analog Supply Voltage Range AVDD 1.8 3.6 V
Digital Supply Voltage Range DVDD 1.8 3.6 V