MAX11358B Datasheet, PDF (20/70 Pages) Maxim Integrated Products – 16-Bit Data-Acquisition System with ADC, DAC, UPIOs, RTC, Voltage Monitors, and Temp Sensor

16-Bit Data-Acquisition System with ADC, DAC,
UPIOs, RTC, Voltage Monitors, and Temp Sensor
Typical Operating Characteristics (continued)
(DV_DD = AV_DD = 1.8V, V_REF = +1.25V, C_CPOUT = 10µF, T_A = +25°C, unless otherwise noted.)
DAC OUTPUT-NOISE DENSITY
vs. FREQUENCY
1000
V_REF = 1.25V
AV_DD = DV_DD = 1.8V
CODE = 3FF
100
DAC LARGE-SIGNAL STEP RESPONSE
(0x052 TO 0x3FF)
MAX11358B toc52
OUT_ = FB_
SCLK
2V/div
10
1
0.01
0.10
1.00
10.00
FREQUENCY (kHz)
100.00
10µs/div
OUTA
500mV/div
0V
DAC LARGE-SIGNAL STEP RESPONSE
(0x3FF to 0x052)
MAX11358B toc53
OUT_ = FB_
SCLK
OP-AMP INPUT OFFSET VOLTAGE
vs. TEMPERATURE
0
V_CM = 0.5V
-0.1
-0.2
OP-AMP INPUT OFFSET HISTOGRAM
35
30
25
20
10µs/div
-0.3
15
OUTA
500mV/div
10
-0.4
0V
5
-0.5
0
-40 -15
10
35
60
85
TEMPERATURE (°C)
OFFSET (mV)
0.89970
0.89968
0.89966
OP-AMP OUTPUT VOLTAGE
vs. LOAD CURRENT
UNITY GAIN
V_IN = 0.9V
AV_DD = DV_DD = 1.8V
0.89964
0.89962
0.89960
0.89958
0.89956
0.89954
0.89952
0.89950
-2.0 -1.5 -1.0 -0.5 0 0.5 1.0 1.5 2.0
LOAD CURRENT (mA)
1.49970
1.49965
1.49960
OP-AMP OUTPUT VOLTAGE
vs. LOAD CURRENT
UNITY GAIN
V_IN = 1.5V
AV_DD = DV_DD = 3.0V
1.49955
1.49950
1.49945
1.49940
-2.0 -1.5 -1.0 -0.5 0 0.5 1.0 1.5 2.0
LOAD CURRENT (mA)
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