Typical operating characteristics (continued) – Rainbow Electronics MAX1093 User Manual
Page 7
MAX1091/MAX1093
250ksps, +3V, 8-/4-Channel, 10-Bit ADCs
with +2.5V Reference and Parallel Interface
_______________________________________________________________________________________
7
2.48
2.49
2.51
2.50
2.52
2.53
INTERNAL REFERENCE VOLTAGE
vs. TEMPERATURE
MAX1291/3 toc11
TEMPERATURE (°C)
V
REF
(V)
-40
10
-15
35
60
85
1.0
0.5
0
-0.5
-1.0
2.7
3.3
3.0
3.6
OFFSET ERROR
vs. SUPPLY VOLTAGE
MAX1091/93 TOC12
V
DD
(V)
OFFSET ERROR (LSB)
1.0
0.5
0
-0.5
-1.0
-40
10
-15
35
60
85
OFFSET ERROR
vs. TEMPERATURE
MAX1091/93 TOC13
TEMPERATURE (°C)
OFFSET ERROR (LSB)
-0.750
-0.250
-0.500
0
0.250
2.7
3.3
3.0
3.6
GAIN ERROR vs. SUPPLY VOLTAGE
MAX1291/3 toc14
V
DD
(V)
GAIN ERROR (LSB)
-0.500
-0.375
-0.125
-0.250
0
0.125
GAIN ERROR vs. TEMPERATURE
MAX1291/3 toc15
TEMPERATURE (
°C)
GAIN ERROR (LSB)
-40
10
-15
35
60
85
50
150
100
200
250
2.7
3.3
3.0
3.6
LOGIC SUPPLY CURRENT
vs. SUPPLY VOLTAGE
MAX1291/3 toc16
V
DD
(V)
I
LOGIC
(µ
A)
50
100
150
200
250
LOGIC SUPPLY CURRENT
vs. TEMPERATURE
max1291/3 toc17
TEMPERATURE (°C)
I
LOGIC
(µ
A)
-40
10
35
-15
60
85
Typical Operating Characteristics (continued)
(V
DD
= V
LOGIC
= +3V, V
REF
= +2.500V, f
CLK
= 4.8MHz, C
L
= 20pF, T
A
= +25°C, unless otherwise noted.)
2.48
2.49
2.51
2.50
2.52
2.53
INTERNAL REFERENCE VOLTAGE
vs. SUPPLY VOLTAGE
MAX1291/3 toc10
V
DD
(V)
V
REF
(V)
2.7
3.3
3.0
3.6
-140
-120
-100
-80
-60
-40
-20
0
20
0
400
200
600
800
1000
1200
FFT PLOT
MAX1091/93 toc18
FREQUENCY (kHz)
AMPLITUDE (dB)
V
DD
= 3V
f
IN
= 50kHz
f
SAMPLE
= 250ksps