Datasheet

MAX1265/MAX1267
265ksps, +3V, 6-/2-Channel, 12-Bit ADCs
with +2.5V Reference and Parallel Interface
6 _______________________________________________________________________________________
Typical Operating Characteristics (continued)
(V
DD
= +3V, V
REF
= +2.500V, f
CLK
= 4.8MHz, C
L
= 20pF, T
A
= +25°C, unless otherwise noted.)
MAX1265/67 toc10
V
REF
(mA)
85
2.48
2.49
2.51
2.50
2.52
2.53
INTERNAL REFERENCE VOLTAGE
vs. TEMPERATURE
TEMPERATURE (°C)
-40 60
35
10
-15
-2.5
-2.0
-1.0
-1.5
-0.5
0
OFFSET ERROR vs. SUPPLY VOLTAGE
MAX1265/67 toc11
V
DD
(V)
OFFSET ERROR (LSB)
2.7 3.33.0 3.6
-2.5
-1.5
-2.0
-0.5
-1.0
0
0.5
-40 10-15 35 60 85
OFFSET ERROR vs. TEMPERATURE
MAX1265/67 toc12
TEMPERATURE (°C)
OFFSET ERROR (LSB)
-3.0
-1.0
-2.0
0
1.0
2.7 3.33.0 3.6
GAIN ERROR vs. SUPPLY VOLTAGE
MAX1265/67 toc13
V
DD
(V)
GAIN ERROR (LSB)
-2.0
-1.5
-0.5
-1.0
0
0.5
GAIN ERROR vs. TEMPERATURE
MAX1265/67 toc14
TEMPERATURE (°C)
GAIN ERROR (LSB)
-40 10-15 35 60 85
MAX1265/67 toc09
V
REF
(V)
3.6
2.48
2.49
2.51
2.50
2.52
2.53
INTERNAL REFERENCE VOLTAGE
vs. SUPPLY VOLTAGE
V
DD
(V)
2.7
3.33.0
-140
-120
-100
-80
-60
-40
-20
0
20
0 200 400 600 800 1000
FFT PLOT
MAX1265/67 toc15
FREQUENCY (kHz)
AMPLITUDE (dB)
V
DD
= 3V
f
IN
= 50kHz
f
SAMPLE
= 250ksps