MAX1358B Maxim Integrated Products, MAX1358B Datasheet - Page 20

• Manufacturer Part Number: MAX1358B
• Description: Data-Acquisition System
• Manufacturer: Maxim Integrated Products

DataSheet.in
16-Bit, Data-Acquisition System with ADC, DACs,
UPIOs, RTC, Voltage Monitors, and Temp Sensor
20
(DV
DAC LARGE-SIGNAL STEP RESPONSE
OUT_ = FB_
DD
______________________________________________________________________________________
= AV
(0x3FF to 0x052)
DD
10µs/div
= 1.8V, V
0.89970
0.89968
0.89966
0.89964
0.89962
0.89960
0.89958
0.89956
0.89954
0.89952
0.89950
1000
100
10
1
REF
0.01
-2.0
MAX1358B toc53
UNITY GAIN
V
AV
IN
= +1.25V, C
DD
-1.5
= 0.9V
DAC OUTPUT-NOISE DENSITY
= DV
OP-AMP OUTPUT VOLTAGE
0.10
-1.0 -0.5
DD
SCLK
OUTA
500mV/div
0V
vs. LOAD CURRENT
LOAD CURRENT (mA)
vs. FREQUENCY
= 1.8V
FREQUENCY (kHz)
CPOUT
1.00
0
V
AV
CODE = 3FF
REF
DD
0.5
= 1.25V
= DV
-0.1
-0.2
-0.3
-0.4
-0.5
= 10µF, T
Typical Operating Characteristics (continued)
10.00
0
1.0
DD
-40
= 1.8V
V
1.5
OP-AMP INPUT OFFSET VOLTAGE
CM
100.00
= 0.5V
-15
A
2.0
= +25°C, unless otherwise noted.)
vs. TEMPERATURE
TEMPERATURE (°C)
10
35
1.49970
1.49965
1.49960
1.49955
1.49950
1.49945
1.49940
60
-2.0
DAC LARGE-SIGNAL STEP RESPONSE
OUT_ = FB_
UNITY GAIN
V
AV
IN
85
-1.5
DD
= 1.5V
OP-AMP OUTPUT VOLTAGE
= DV
-1.0
vs. LOAD CURRENT
DD
(0x052 TO 0x3FF)
LOAD CURRENT (mA)
= 3.0V
35
30
25
20
15
10
-0.5
5
0
10µs/div
OP-AMP INPUT OFFSET HISTOGRAM
0
0.5
1.0
MAX1358B toc52
OFFSET (mV)
1.5
2.0
SCLK
2V/div
OUTA
500mV/div
0V