Typical operating characteristics (continued) – Rainbow Electronics MAX1092 User Manual
Page 7

MAX1090/MAX1092
400ksps, +5V, 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. SUPPLY VOLTAGE
MAX1090/92 toc10
V
DD
(V)
V
REF
(V)
4.50
5.00
4.75
5.25
5.50
2.48
2.49
2.51
2.50
2.52
2.53
-40
10
-15
35
60
85
INTERNAL REFERENCE VOLTAGE
vs. TEMPERATURE
MAX1090/92 toc 11
TEMPERATURE (°C)
V
REF
(V)
1.0
0.5
0
-0.5
-1.0
4.50
5.00
4.75
5.25
5.50
OFFSET ERROR
vs. SUPPLY VOLTAGE
MAX1090 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
MAX1090 TOC13
TEMPERATURE (°C)
OFFSET ERROR (LSB)
-0.50
0
-0.25
0.25
0.50
GAIN ERROR vs. SUPPLY VOLTAGE
MAX1090/92 toc14
V
DD
(V)
GAIN ERROR (LSB)
4.50
5.00
4.75
5.25
5.50
0
0.125
0.250
0.375
0.500
GAIN ERROR vs. TEMPERATURE
MAX1090/92 toc15
TEMPERATURE (°C)
GAIN ERROR (LSB)
-40
35
60
-15
10
85
50
150
100
200
250
LOGIC SUPPLY CURRENT
vs. SUPPLY VOLTAGE
MAX1090/92 toc16
V
DD
(V)
I
LOGIC
(µA)
4.50
5.00
4.75
5.25
5.50
Typical Operating Characteristics (continued)
(V
DD
= V
LOGIC
= +5V, V
REF
= +2.500V, f
CLK
= 7.6MHz, C
L
= 20pF, T
A
= +25°C, unless otherwise noted.)
0
50
150
100
200
250
-40
10
-15
35
60
85
LOGIC SUPPLY CURRENT
vs. TEMPERATURE
MAX1090/92 toc 17
TEMPERATURE (°C)
I
LOGIC
(µA)
-140
-120
-100
-80
-60
-40
-20
0
20
0
400
200
600
800
1000
1200
FFT PLOT
MAX1291/93 toc18
FREQUENCY (kHz)
AMPLITUDE (dB)
V
DD
= 5V
f
IN
= 50kHz
f
SAMPLE
= 400ksps