MAX1040_08 Datasheet, PDF (11/39 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 = 5V, external V_REF = 4.096V, 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.)
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 FALL TIME
R_LOAD = 10kΩ, C_LOAD = 100pF
MAX1040 toc31
DAC-TO-DAC CROSSTALK
R_LOAD = 10kΩ, C_LOAD = 100pF
MAX1040 toc29
V_OUTA
2V/div
DYNAMIC RESPONSE RISE TIME
R_LOAD = 10kΩ, C_LOAD = 100pF
MAX1040 toc30
CS
2V/div
V_OUTB
10mV/div
AC-COUPLED
V_OUT
2V/div
100μs
MAJOR CARRY TRANSITION
R_LOAD = 10kΩ, C_LOAD = 100pF
MAX1040 toc32
1μs
DAC DIGITAL FEEDTHROUGH R_LOAD = 10kΩ,
C_LOAD = 100pF, CS = HIGH, DIN = LOW
MAX1040 toc33
CS
2V/div
CS
2V/div
SCLK
2V/div
V_OUT
2V/div
V_OUT
20mV/div
AC-COUPLED
V_OUT
100mV/div
AC-COUPLED
1μs
NEGATIVE FULL-SCALE SETTLING TIME
R_LOAD = 10kΩ, C_LOAD = 100pF
MAX1040 toc34
1μs
POSITIVE FULL-SCALE SETTLING TIME
R_LOAD = 10kΩ, C_LOAD = 100pF
MAX1040 toc35
200ns
ADC REFERENCE FEEDTHROUGH
R_LOAD = 10kΩ, C_LOAD = 100pF
MAX1040 toc36
V_LDAC
2V/div
V_{OUT_}
2V/div
2μs
V_LDAC
2V/div
V_REF2
2V/div
V_{OUT_}
2V/div
V_DAC-OUT
2mV/div
AC-COUPLED
ADC REFERENCE SWITCHING
1μs
200μs
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