MAX1220_12 Datasheet, PDF (14/43 Pages) Maxim Integrated Products – 12-Bit, Multichannel ADCs/DACs with FIFO,Temperature Sensing, and GPIO Ports

12-Bit, Multichannel ADCs/DACs with FIFO,
Temperature Sensing, and GPIO Ports
Typical Operating Characteristics (continued)
(V_AVDD = V_DVDD = 3V (MAX1257), external V_REF = 2.5V (MAX1257), V_AVDD = V_DVDD = 5V (MAX1220/MAX1258), external V_REF =
4.096V (MAX1220/MAX1258), 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
DAC-TO-DAC CROSSTALK
R_LOAD = 10kΩ, C_LOAD = 100pF
MAX1220 toc47
DAC-TO-DAC CROSSTALK
R_LOAD = 10kΩ, C_LOAD = 100pF
MAX1220 toc48
0.75
0.50
V_OUTA
1V/div
V_OUTA
2V/div
0.25
0
-0.25
-0.50
-0.75
-1.00
-40 -15
10
35
60
85
TEMPERATURE (°C)
MAX1257
100µs/div
V_OUTB
10mV/div
AC-COUPLED
MAX1220/MAX1258
100µs/div
V_OUTB
10mV/div
AC-COUPLED
DYNAMIC RESPONSE RISE TIME
R_LOAD = 10kΩ, C_LOAD = 100pF
MAX1220 toc49
MAX1257
V_{OUT_}
1V/div
DYNAMIC RESPONSE RISE TIME
R_LOAD = 10kΩ, C_LOAD = 100pF
MAX1220 toc50
CS
2V/div
DYNAMIC RESPONSE FALL TIME
R_LOAD = 10kΩ, C_LOAD = 100pF
MAX1220 toc51
MAX1257
V_{OUT_}
1V/div
1µs/div
CS
1V/div
DYNAMIC RESPONSE FALL TIME
R_LOAD = 10kΩ, C_LOAD = 100pF
MAX1220 toc52
CS
2V/div
MAX1220/MAX1258
1µs/div
V_{OUT_}
2V/div
MAJOR CARRY TRANSITION
R_LOAD = 10kΩ, C_LOAD = 100pF
MAX1220 toc53
CS
1V/div
1µs/div
CS
1V/div
MAJOR CARRY TRANSITION
R_LOAD = 10kΩ, C_LOAD = 100pF
MAX1220 toc54
CS
2V/div
MAX1220/MAX1258
1µs/div
V_{OUT_}
2V/div
MAX1257
1µs/div
V_{OUT_}
10mV/div
AC-COUPLED
MAX1220/MAX1258
1µs/div
14 ______________________________________________________________________________________
V_{OUT_}
20mV/div
AC-COUPLED