MAX1040 Datasheet, PDF (13/44 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 (MAX1041/MAX1043/MAX1047/MAX1049), external V_REF = 2.5V (MAX1041/MAX1043/MAX1047/MAX1049),
AV_DD = DV_DD = 5V (MAX1040/MAX1042/MAX1046/MAX1048), external V_REF = 4.096V (MAX1040/MAX1042/MAX1046/MAX1048),
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.)
ADC REFERENCE SUPPLY CURRENT
vs. TEMPERATURE
27.00
26.75
26.50
26.25
26.00
25.75
25.50
25.25
25.00
-40
MAX1041/MAX1043/MAX1047/MAX1049
-15
10
35
60
85
TEMPERATURE (°C)
0
-20
-40
-60
-80
-100
-120
-140
-160
0
ADC FFT PLOT
f_SAMPLE = 32.768kHz
f_{ANALOG_)N} = 10.080kHz
f_CLK = 5.24288MHz
SINAD = 61.21dBc
SNR = 61.21dBc
THD = 73.32dBc
SFDR = 81.25dBc
50
100
150
200
ANALOG INPUT FREQUENCY (kHz)
0
-20
-40
-60
-80
-100
-120
-140
-160
0
ADC IMD PLOT
f_CLK = 5.24288MHz
f_IN1 = 9.0kHz
f_IN2 = 11.0kHz
A_IN = -6dBFS
IMD = 78.0dBc
50
100
150
200
ANALOG INPUT FREQUENCY (kHz)
0
-20
-40
-60
-80
-100
-120
-140
-160
0
ADC CROSSTALK PLOT
f_CLK = 5.24288MHz
f_IN1 = 10.080kHz
f_IN2 = 8.0801kHz
SNR = 61.11dBc
THD = 73.32dBc
ENOB = 9.86 BITS
SFDR = 86.34dBc
50
100
150
200
ANALOG INPUT FREQUENCY (kHz)
DAC OUTPUT LOAD REGULATION
vs. OUTPUT CURRENT
2.08
MAX1040/MAX1042/MAX1046/MAX1048
2.07
2.06
2.05
2.04
2.03 SINKING
2.02
SOURCING
2.01
DAC OUTPUT = MIDSCALE
2.00
-30
0
30
60
90
OUTPUT CURRENT (mA)
DAC OUTPUT LOAD REGULATION
vs. OUTPUT CURRENT
1.29
1.28
1.27
1.26
1.25
1.24
SINKING
1.23
SOURCING
1.22 _{DAC OUTPUT = MIDSCALE}
MAX1041/MAX1043/MAX1047/MAX1049
1.21
-30 -20 -10 0 10 20 30
OUTPUT CURRENT (mA)
GPIO OUTPUT VOLTAGE
vs. SOURCE CURRENT
5
4
GPIO OUTPUT VOLTAGE
vs. SOURCE CURRENT
3.0
1500
MAX1041/MAX1043/MAX1047/MAX1049
2.5
GPIOA0–A3 OUTPUTS
1200
GPIO OUTPUT VOLTAGE
vs. SINK CURRENT
GPIOB0–B3, C0–C3
OUTPUTS
3
GPIOA0–A3 OUTPUTS
GPIOB0–B3,
2
C0–C3 OUTPUTS
1
MAX1040/MAX1042/
MAX1046/MAX1048
0
0
20
40
60
80 100
SOURCE CURRENT (mA)
2.0
1.5
1.0
0.5
0
0
GPIOB0–B3, C0–C3
OUTPUTS
20
40
60
80
100
SOURCE CURRENT (mA)
900
600
300
0
0
GPIOA0–A3 OUTPUTS
MAX1040/MAX1042/MAX1046/MAX1048
20
40
60
80 100
SINK CURRENT (mA)
______________________________________________________________________________________ 13