Datasheet

MAX11359A
16-Bit Data-Acquisition System with ADC, DAC,
UPIOs, RTC, Voltage Monitors, and Temp Sensor
13
Maxim Integrated
t
DS
t
CSS
t
DH
t
DV
t
DO
t
TR
CS
SCLK
DIN
DOUT
t
CSH
t
CYC
t
CH
t
CL
t
CSH
Figure 1. Detailed Serial-Interface Timing
DVDD
C
LOAD
= 50pF
6kΩ
DOUT
a) FOR ENABLE, HIGH IMPEDANCE
TO V
OH
AND V
OL
TO V
OH
FOR DISABLE, V
OH
TO HIGH IMPEDANCE
b) FOR ENABLE, HIGH IMPEDANCE
TO V
OL
AND V
OH
TO V
OL
FOR DISABLE, V
OL
TO HIGH IMPEDANCE
DOUT
6kΩ
C
LOAD
= 50pF
Figure 2. DOUT Enable and Disable Time Load Circuits
Typical Operating Characteristics
(V
DVDD
= V
AVDD
= 1.8V, V
REF
= +1.25V, C
CPOUT
= 10µF, T
A
= +25°C, unless otherwise noted.)
200
300
500
400
600
700
1.8 2.42.1 2.7 3.0 3.3 3.6
DVDD SUPPLY CURRENT
vs. DVDD SUPPLY VOLTAGE
MAX11359A toc01
V
DVDD
(V)
SUPPLY CURRENT (µA)
NORMAL MODE
CLK BUFFER DISABLED
0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
1.8 2.42.1 2.7 3.0 3.3 3.6
MAX11359A toc02
V
DVDD
(V)
SUPPLY CURRENT (µA)
DVDD SUPPLY CURRENT
vs. DVDD SUPPLY VOLTAGE
SLEEP MODE, CLK BUFFER DISABLED
32kHz OSC, RTC, DVDD MONITOR ENABLED
0
0.2
0.6
0.4
0.8
1.0
1.8 2.42.1 2.7 3.0 3.3 3.6
MAX11359A toc03
V
DVDD
(V)
SUPPLY CURRENT (µA)
DVDD SUPPLY CURRENT
vs. DVDD SUPPLY VOLTAGE
SLEEP MODE,
ALL FUNCTIONS DISABLED