MAX1067 Datasheet, PDF (9/30 Pages) Maxim Integrated Products – Multichannel, 14-Bit, 200ksps Analog-to-Digital Converters

Multichannel, 14-Bit, 200ksps Analog-to-Digital
Converters
Typical Operating Characteristics (continued)
(AV_DD = DV_DD = +5V, f_SCLK = 4.8MHz, C_DOUT = 30pF, external V_REF = +4.096V, T_A = +25°C, unless otherwise noted.)
OFFSET ERROR vs. SUPPLY VOLTAGE
200
V_REF = +4.096V
150
100
50
0
-50
-100
-150
-200
4.75 4.85 4.95 5.05 5.15 5.25
AV_DD (V)
GAIN ERROR vs. TEMPERATURE
0.015
V_REF = +4.096V
0.010
0.005
0
-0.005
-0.010
-0.015
-0.020
-0.025
-40 -15
10
35
60
85
TEMPERATURE (°C)
GAIN ERROR vs. SUPPLY VOLTAGE
0.020
0.015
V_REF = +4.096V
0.010
0.005
0
-0.005
-0.010
-0.015
-0.020
-0.025
-0.030
4.75 4.85 4.95 5.05 5.15 5.25
AV_DD (V)
CHANNEL-TO-CHANNEL ISOLATION
vs. FREQUENCY
0
-10
V_REF = +4.096V
-20
-30
-40
-50
-60
-70
-80
-90
-100
-110
0 10 20 30 40 50 60 70 80 90 100
FREQUENCY (kHz)
OFFSET ERROR vs. TEMPERATURE
500
400
V_REF = +4.096V
300
200
100
0
-100
-200
-300
-400
-500
-40 -15
10
35
60
85
TEMPERATURE (°C)
INTERNAL +4.096V REFERENCE VOLTAGE
vs. ANALOG SUPPLY VOLTAGE
4.104
DV_DD = +5V
T_A = +85°C
4.100
T_A = +70°C
4.096
T_A = +25°C
4.092
T_A = 0°C
T_A = -40°C
4.088
4.75 4.85 4.95 5.05 5.15 5.25
AV_DD (V)
EXTERNAL REFERENCE INPUT CURRENT
vs. EXTERNAL REFERENCE VOLTAGE
160
140
V_AIN = 0
f_SCLK = 4.8MHz
120 ^{AVDD = DVDD = +5V}
100
199ksps, EXTERNAL CLOCK
80
60
87.19ksps, INTERNAL CLOCK
40
20
0
2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5
V_REF (V)
INTERNAL REFERENCE VOLTAGE
vs. REF LOAD
4.5
4.0
3.5
3.0
2.5
2.0
1.5
f_SCLK = 0
1.0 INTERNAL REFERENCE MODE
LOAD APPLIED TO REF
0.5 _{CREF = 1µF}
0
0 2 4 6 8 10 12 14
I_REF (mA)
INTERNAL CLOCK CONVERSION TIME
(8th RISING SCLK TO FALLING EOC)
70
8-BIT DATA-TRANSFER MODE
60
60
16-BIT DATA-TRANSFER MODE ₅₃
50 f_SCLK = 4.8MHz
46
44
40
39
38
31
33
30
28
24 ₂₂
20
17 17
10
10 ¹²
6
0
12345678
NUMBER OF SCAN-MODE CONVERSIONS
_______________________________________________________________________________________ 9