Datasheet

MAX11359A
16-Bit Data-Acquisition System with ADC, DAC,
UPIOs, RTC, Voltage Monitors, and Temp Sensor
21
Maxim Integrated
Typical Operating Characteristics (continued)
(V
DVDD
= V
AVDD
= 1.8V, V
REF
= +1.25V, C
CPOUT
= 10µF, T
A
= +25°C, unless otherwise noted.)
-0.20
-0.10
-0.15
0
-0.05
0.05
0.10
-40 10-15 35 60 85
MAX11359A toc58
TEMPERATURE (°C)
% DEVIATION
VOLTAGE SUPERVISOR THRESHOLD
vs. TEMPERATURE
DVDD SUPERVISOR
CPOUT SUPERVISOR
3.0
3.2
3.1
3.4
3.3
3.5
3.6
0426810
CHARGE-PUMP OUTPUT VOLTAGE
vs. OUTPUT CURRENT
MAX11359A toc59
OUTPUT CURRENT (mA)
CPOUT VOLTAGE (V)
V
DVDD
= 1.8V
3.10
3.14
3.22
3.18
3.26
3.30
-40 10-15 35 60 85
CHARGE-PUMP OUTPUT VOLTAGE
vs. TEMPERATURE
MAX11359A toc60
TEMPERATURE (°C)
CPOUT VOLTAGE (V)
V
DVDD
= 3.0V
V
DVDD
= 1.8V
I
OUT
= 10mA
0
20
60
40
80
100
084121620
CHARGE-PUMP OUTPUT RESISTANCE
vs. CAPACITANCE
MAX11359A toc61
C
F
(µF)
OUTPUT RESISTANCE (Ω)
V
DVDD
= 1.8V
I
OUT
= 10mA
0
10
30
20
40
50
0426810
CHARGE-PUMP OUTPUT VOLTAGE
RIPPLE vs. OUTPUT CURRENT
MAX11359A toc62
OUTPUT CURRENT (mA)
OUTPUT VOLTAGE RIPPLE (mV)
V
DVDD
= 1.8V
20µs/div
CHARGE-PUMP OUTPUT
VOLTAGE RIPPLE
MAX11359A toc63
V
DVDD
= +1.8V
I
LOAD
= 10mA
CPOUT
20mV/div
AC-COUPLED