Datasheet

MAX11359A
16-Bit Data-Acquisition System with ADC, DAC,
UPIOs, RTC, Voltage Monitors, and Temp Sensor
17
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
-0.15
-0.10
-0.05
0
0.05
0.10
0.15
0.20
0 400200 600 800 1000
DAC DNL vs. OUTPUT CODE
MAX11359A toc31
OUTPUT CODE
DNL (LSB)
V
AVDD
= 2.5V
V
REF
= 2.048V
-0.20
-0.15
-0.10
-0.05
0
0.05
0.10
0.15
0.20
0 400200 600 800 1000
DAC DNL vs. OUTPUT CODE
MAX11359A toc32
OUTPUT CODE
DNL (LSB)
V
AVDD
= 3.0V
V
REF
= 2.5V
1.240
1.242
1.244
1.246
1.248
0 0.50 1.00 1.500.25 0.75 1.25 1.75 2.00
DAC OUTPUT VOLTAGE
vs. OUTPUT SOURCE CURRENT
MAX11359A toc33
SOURCE CURRENT (mA)
DAC OUTPUT VOLTAGE (V)
CODE = 3FF hex
V
AVDD
= 1.8V, 3.0V
0
0.05
0.10
0.15
0.20
0.25
0.30
DAC OUTPUT VOLTAGE
vs. OUTPUT SINK CURRENT
MAX11359A toc34
DAC OUTPUT VOLTAGE (V)
0 0.50 1.00 1.500.25 0.75 1.25 1.75 2.00
SOURCE CURRENT (mA)
CODE = 020 hex
V
AVDD
= 1.8V
V
AVDD
= 3.0V
650
640
630
610
600
1.8 2.72.1 2.4 3.0 3.3 3.6
DAC OUTPUT VOLTAGE
vs. ANALOG SUPPLY VOLTAGE
MAX11359A toc35
V
DVDD
(V)
DAC OUTPUT VOLTAGE (mV)
CODE = 200 hex
620
620
622
626
624
628
630
-40 10-15 35 60 85
DAC OUTPUT VOLTAGE
vs. TEMPERATURE
MAX11359A toc36
TEMPERATURE (°C)
DAC OUTPUT VOLTAGE (mV)
V
AVDD
= 3.0V
V
AVDD
= 1.8V
V
REF
= 1.25V
CODE = 200 hex
-5
-3
-4
-1
-2
1
0
2
-40 10-15 35 60 85
DAC FBA/B INPUT BIAS CURRENT
vs. TEMPERATURE
MAX11359A toc37
TEMPERATURE (°C)
INPUT BIAS CURRENT (µA)
V
AVDD
= 1.8V
V
AIN
= 0.5V
1s/div
DAC OUTPUT NOISE
(0.1Hz TO 10Hz)
50µV/div
MAX11359A toc38
V
AVDD
= +1.8V
V
REF
= +1.25V
DAC CODE = 3FF hex
DAC OUTPUT
NOISE vs. FREQUENCY
MAX11359A toc39
FREQUENCY (Hz)
1k10010
1000
1
10k
10,000
100
DAC CODE = 3FF hex
V
REF
= 2.5V
NOISE (nV/√Hz)