MAX11359A_12 Datasheet, PDF (21/67 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
Typical Operating Characteristics (continued)
(V_DVDD = V_AVDD = 1.8V, V_REF = +1.25V, C_CPOUT = 10µF, T_A = +25°C, unless otherwise noted.)
VOLTAGE SUPERVISOR THRESHOLD
vs. TEMPERATURE
0.10
0.05
DVDD SUPERVISOR
0
-0.05
-0.10
CPOUT SUPERVISOR
-0.15
-0.20
-40 -15
10
35
60
85
TEMPERATURE (°C)
CHARGE-PUMP OUTPUT VOLTAGE
vs. TEMPERATURE
3.30
3.26
V_DVDD = 3.0V
3.22
3.18
V_DVDD = 1.8V
3.14
I_OUT = 10mA
3.10
-40 -15 10
35
60
85
TEMPERATURE (°C)
CHARGE-PUMP OUTPUT VOLTAGE
RIPPLE vs. OUTPUT CURRENT
50
V_DVDD = 1.8V
40
30
20
10
0
0
Maxim Integrated
2
4
6
8
10
OUTPUT CURRENT (mA)
CHARGE-PUMP OUTPUT VOLTAGE
vs. OUTPUT CURRENT
3.6
3.5
3.4
3.3
3.2
3.1
V_DVDD = 1.8V
3.0
0
2
4
6
8
10
OUTPUT CURRENT (mA)
CHARGE-PUMP OUTPUT RESISTANCE
vs. CAPACITANCE
100
80
60
40
20
V_DVDD = 1.8V
I_OUT = 10mA
0
0
4
8
12 16 20
C_F (µF)
CHARGE-PUMP OUTPUT
VOLTAGE RIPPLE
MAX11359A toc63
V_DVDD = +1.8V
I_LOAD = 10mA
20µs/div
CPOUT
20mV/div
AC-COUPLED
21