Datasheet

MAX11359A
16-Bit Data-Acquisition System with ADC, DAC,
UPIOs, RTC, Voltage Monitors, and Temp Sensor
18
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.)
40µs/div
DAC LARGE-SIGNAL OUTPUT
STEP RESPONSE
MAX11359A toc40
V
REF
= +1.25V
V
AVDD
= +3.0V
CS
2V/div
OUT_
1V/div
OP-AMP INPUT OFFSET VOLTAGE
vs. TEMPERATURE
MAX11359A toc41
TEMPERATURE (°C)
INPUT OFFSET VOLTAGE (mV)
603510-15
6.3
6.6
6.9
7.2
7.5
6.0
-40 85
V
AVDD
= 1.8V
V
CM
= 0.5V
V
AVDD
= 3.0V
0
4
2
8
6
10
12
-40 10-15 35 60 85
MAX11359A toc42
TEMPERATURE (°C)
INPUT BIAS CURRENT (pA)
OP-AMP INPUT BIAS CURRENT
vs. TEMPERATURE
V
AVDD
= 1.8V
V
CM
= 0.5V
-2
0
2
4
6
8
10
12
14
-40 -15 10 35 60 85
MAX11359A toc43
TEMPERATURE (°C)
INPUT BIAS CURRENT (pA)
OP-AMP INPUT BIAS CURRENT
vs. TEMPERATURE
V
AVDD
= 3.0V
V
CM
= 0.5V
0
50
150
100
200
250
0 0.50 0.750.25 1.00 1.25 1.50 1.75 2.00
OP-AMP OUTPUT VOLTAGE
vs. OUTPUT SINK CURRENT
MAX11359A toc44
SINK CURRENT (mA)
OUTPUT VOLTAGE (mV)
UNITY GAIN, V
IN_
+ = 0V
V
AVDD
= 1.8V
V
AVDD
= 3.0V
2.80
2.84
2.92
2.88
2.96
3.00
0 0.50 0.750.25 1.00 1.25 1.50 1.75 2.00
OP-AMP OUTPUT VOLTAGE
vs. OUTPUT SOURCE CURRENT
MAX11359A toc45
SOURCE CURRENT (mA)
OUTPUT VOLTAGE (V)
V
AVDD
= 3.0V
UNITY GAIN, V
IN_
+ = V
AVDD