MAX1040_08 Datasheet, PDF (10/39 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.)
INTERNAL REFERENCE VOLTAGE
vs. TEMPERATURE
4.12
ADC REFERENCE SUPPLY CURRENT
vs. ANALOG SUPPLY VOLTAGE
24.96
ADC REFERENCE SUPPLY CURRENT
vs. TEMPERATURE
41.0
24.94
40.9
4.11
24.92
40.8
4.10
24.90
40.7
24.88
4.09
24.86
40.6
4.08
-40
-15
10
35
60
85
TEMPERATURE (°C)
24.84
4.750
4.875 5.000 5.125
SUPPLY VOLTAGE (V)
5.250
40.5
-40 -15 10
35
60
85
TEMPERATURE (°C)
ADC FFT PLOT
0
f_SAMPLE = 32.768kHz
-20
f_{ANALOG_)N} = 10.080kHz
f_CLK = 5.24288MHz
-40
SINAD = 61.21dBc
SNR = 61.21dBc
-60
THD = 73.32dBc
SFDR = 81.25dBc
-80
-100
-120
-140
-160
0
50
100
150
200
ANALOG INPUT FREQUENCY (kHz)
DAC OUTPUT LOAD REGULATION
vs. OUTPUT CURRENT
2.08
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)
0
-20
-40
-60
-80
-100
-120
-140
-160
0
5
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)
GPIO OUTPUT VOLTAGE
vs. SOURCE CURRENT
4
3
GPIOA0–A3 OUTPUTS
GPIOB0–B3,
2
C0–C3 OUTPUTS
1
0
0
20
40
60
80 100
SOURCE CURRENT (mA)
0
-20
-40
-60
-80
-100
-120
-140
-160
0
1500
1200
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)
GPIO OUTPUT VOLTAGE
vs. SINK CURRENT
GPIOB0–B3, C0–C3
OUTPUTS
900
600
GPIOA0–A3 OUTPUTS
300
0
0
20
40
60
80 100
SINK CURRENT (mA)
10 ______________________________________________________________________________________