MAX1021 Datasheet, PDF (12/40 Pages) Maxim Integrated Products – 10-Bit, Multichannel ADCs/DACs with FIFO, Temperature Sensing, and GPIO Ports

10-Bit, Multichannel ADCs/DACs with FIFO,
Temperature Sensing, and GPIO Ports
Typical Operating Characteristics (continued)
(AV_DD = DV_DD = 3V, external V_REF = 2.5V, f_CLK = 3.6MHz (50% duty cycle), f_SAMPLE = 225ksps, C_LOAD = 50pF, 0.1µF capacitor at
REF, T_A = +25°C, unless otherwise noted.)
GPIO OUTPUT VOLTAGE
vs. SINK CURRENT
1500
GPIOC0, GPIOC1 OUTPUTS
1200
900
600
300
0
0
GPIOA0, GPIOA1 OUTPUTS
AV_DD = DV_DD = 5V
EXTERNAL REFERENCE = 4.096V
20
40
60
80 100
SINK CURRENT (mA)
DAC-TO-DAC CROSSTALK
(R_LOAD = 10kΩ, C_LOAD = 100pF)
MAX1040 toc40
GPIO OUTPUT VOLTAGE
vs. SINK CURRENT
1500
GPIOC0, GPIOC1
1200
OUTPUTS
900
600
300
GPIOA0, GPIOA1
OUTPUTS
0
0 10 20 30 40 50 60
SINK CURRENT (mA)
DAC-TO-DAC CROSSTALK
(R_LOAD = 10kΩ, C_LOAD = 100pF)
MAX1040 toc41
TEMPERATURE SENSOR ERROR
vs. TEMPERATURE
1.00
0.75
0.50
0.25
0
-0.25
-0.50
-0.75
-1.00
-40 -15
10
35
60
85
TEMPERATURE (°C)
DYNAMIC RESPONSE RISE TIME
(R_LOAD = 10kΩ, C_LOAD = 100pF)
MAX1040 toc42
V_OUTA
1V/div
V_OUTA
2V/div
V_OUT
1V/div
MAX1043
100μs/div
V_OUTB
10mV/div
AC-COUPLED
AV_DD = DV_DD = 5V
EXTERNAL REFERENCE = 4.096V
100μs/div
V_OUTB
10mV/div
AC-COUPLED
1μs/div
CS
1V/div
DYNAMIC RESPONSE RISE TIME
(R_LOAD = 10kΩ, C_LOAD = 100pF)
MAX1040 toc43
DYNAMIC RESPONSE FALL TIME
(R_LOAD = 10kΩ, C_LOAD = 100pF)
MAX1040 toc44
DYNAMIC RESPONSE FALL TIME
(R_LOAD = 10kΩ, C_LOAD = 100pF)
MAX1040 toc45
CS
2V/div
V_OUT
1V/div
CS
2V/div
AV_DD = DV_DD = 5V
EXTERNAL REFERENCE = 4.096V
V_OUT
2V/div
1μs/div
1μs/div
CS
1V/div
AV_DD = DV_DD = 5V
EXTERNAL REFERENCE = 4.096V
1μs/div
12 ______________________________________________________________________________________
V_OUT
2V/div