MAX1067 Datasheet, PDF (7/30 Pages) Maxim Integrated Products – Multichannel, 14-Bit, 200ksps Analog-to-Digital Converters

Multichannel, 14-Bit, 200ksps Analog-to-Digital
Converters
Typical Operating Characteristics
(AV_DD = DV_DD = +5V, f_SCLK = 4.8MHz, C_DOUT = 30pF, external V_REF = +4.096V, T_A = +25°C, unless otherwise noted.)
1.0
0.8
0.6
0.4
0.2
0
-0.2
-0.4
-0.6
-0.8
-1.0
0
INL vs. CODE
4096
8192 12,288 16,384
CODE
1.0
0.8
0.6
0.4
0.2
0
-0.2
-0.4
-0.6
-0.8
-1.0
0
DNL vs. CODE
4096
8192 12,288 16,384
CODE
20
0
-20
-40
-60
-80
-100
-120
-140
-160
0
FFT AT f_AIN = 1kHz
20
40
60
80
100
FREQUENCY (kHz)
90
80
70
60
50
40
30
20
10
0
0.1
SINAD vs. FREQUENCY
f_SAMPLE = 200kbps
1
10
100
FREQUENCY (kHz)
120
100
80
60
40
20
0
0.1
SFDR vs. FREQUENCY
f_SAMPLE = 200ksps
1
10
100
FREQUENCY (kHz)
THD vs. FREQUENCY
0
f_SAMPLE = 200kbps
-20
-40
-60
-80
-100
-120
0.1
1
10
100
FREQUENCY (kHz)
SUPPLY CURRENT vs. CONVERSION RATE
(EXTERNAL CLOCK)
3.0
DV_DD = AV_DD = +5V
2.5 ^{DOUT = ALL ZEROS}
EXTERNAL CLOCK
2.0 ^{SPI MODE}
1.5
1.0
0.5
0
-0.5
0
I_AVDD, INT REF
I_AVDD, EXT REF
I_DVDD
20 40 60 80 100 120 140 160 180 200
CONVERSION RATE (ksps)
ANALOG SUPPLY CURRENT
vs. ANALOG SUPPLY VOLTAGE
(INTERNAL REFERENCE)
2.95
DV_DD = +5V
f_S = 200ksps
T_A = +70°C
2.90
T_A = +85°C
2.85
2.80
T_A = +25°C
2.75
T_A = 0°C
T_A = -40°C
2.70
4.75 4.85 4.95 5.05 5.15 5.25
AV_DD (V)
ANALOG SUPPLY CURRENT
vs. ANALOG SUPPLY VOLTAGE
(EXTERNAL REFERENCE)
2.00
DV_DD = +5V
1.95 ^{fS = 200ksps}
T_A = +85°C
T_A = +70°C
1.90
1.85
T_A = +25°C
1.80
T_A = 0°C
T_A = -40°C
1.75
4.75 4.85 4.95 5.05 5.15 5.25
AV_DD (V)
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