MAX1020 Datasheet, PDF (14/47 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 (MAX1021/MAX1023/MAX1057), external V_REF = 2.5V (MAX1021/MAX1023/MAX1057), AV_DD = DV_DD = 5V
(MAX1020/MAX1022/MAX1058), external V_REF = 4.096V (MAX1020/MAX1022/MAX1058), f_CLK = 4.8MHz (50% duty cycle), f_SAMPLE
= 300ksps, C_LOAD = 50pF, 0.1µF capacitor at REF, T_A = +25°C, unless otherwise noted.)
GPIO OUTPUT VOLTAGE
vs. SINK CURRENT
1500
GPIOB0–B3, C0–C3
OUTPUTS
1200
TEMPERATURE SENSOR ERROR
vs. TEMPERATURE
1.00
0.75
0.50
DAC-TO-DAC CROSSTALK
R_LOAD = 10kΩ, C_LOAD = 100pF
MAX1020 toc51
V_OUTA
1V/div
900
600
300
0
0
GPIOA0–A3 OUTPUTS
MAX1021/MAX1023/MAX1057
10 20 30 40 50 60
SINK CURRENT (mA)
0.25
0
-0.25
-0.50
-0.75
-1.00
-40 -15
10
35
60
85
TEMPERATURE (°C)
MAX1021/MAX1023/MAX1057
100µs
V_OUTB
10mV/div
AC-COUPLED
DAC-TO-DAC CROSSTALK
R_LOAD = 10kΩ, C_LOAD = 100pF
MAX1020 toc52
V_OUTA
2V/div
DYNAMIC RESPONSE RISE TIME
R_LOAD = 10kΩ, C_LOAD = 100pF
MAX1020 toc53
MAX1021/MAX1023/MAX1057
V_OUT
1V/div
DYNAMIC RESPONSE RISE TIME
R_LOAD = 10kΩ, C_LOAD = 100pF
MAX1020 toc54
CS
2V/div
MAX1020/MAX1022/MAX1058
100µs
V_OUTB
10mV/div
AC-COUPLED
CS
1V/div
1µs
DYNAMIC RESPONSE FALL TIME
R_LOAD = 10kΩ, C_LOAD = 100pF
MAX1020 toc55
MAX1021/MAX1023/MAX1057
V_OUT
1V/div
DYNAMIC RESPONSE FALL TIME
R_LOAD = 10kΩ, C_LOAD = 100pF
MAX1020 toc56
CS
2V/div
MAX1020/MAX1022/MAX1058
1µs
V_OUT
2V/div
MAJOR CARRY TRANSITION
R_LOAD = 10kΩ, C_LOAD = 100pF
MAX1020 toc57
CS
1V/div
CS
1V/div
MAX1020/MAX1022/MAX1058
V_OUT
2V/div
MAX1021/MAX1023/MAX1057
1µs
1µs
1µs
14 ______________________________________________________________________________________
V_OUT
10mV/div
AC-COUPLED