
MAX1032/MAX1033
8-/4-Channel, ±12V Multirange Inputs,
Serial 14-Bit ADCs
_______________________________________________________________________________________ 9
EXTERNAL REFERENCE INPUT CURRENT
vs. EXTERNAL REFERENCE INPUT VOLTAGE
MAX1032/33 toc12
EXTERNAL REFERENCE VOLTAGE (V)
EXTERNAL REFERENCE CURRENT (mA)
4.104.054.003.953.903.85
0.13
0.14
0.15
0.16
0.12
3.80 4.15
ALL MODES
GAIN DRIFT vs. TEMPERATURE
MAX1032/33 toc13
TEMPERATURE (
°
C)
GAIN ERROR (%FSR)
603510-15
-0.08
-0.06
-0.04
-0.02
0
0.02
0.04
0.06
0.08
0.10
-0.10
-40 85
±
12V BIPOLAR RANGE
±
3V BIPOLAR RANGE
OFFSET DRIFT vs. TEMPERATURE
MAX1032/33 toc14
TEMPERATURE (
°
C)
OFFSET ERROR (mV)
603510-15
-0.8
-0.6
-0.4
-0.2
0
0.2
0.4
0.6
0.8
1.0
-1.0
-40 85
±
3V BIPOLAR
±
12V BIPOLAR
CHANNEL-TO-CHANNEL ISOLATION
vs. INPUT FREQUENCY
MAX1032/33 toc15
FREQUENCY (kHz)
ISOLATION (dB)
100010010
-100
-80
-60
-40
-20
0
-120
1 10,000
f
SAMPLE
= 115ksps
±
12V BIPOLAR RANGE
CH0 TO CH2
COMMON-MODE REJECTION RATIO
vs. FREQUENCY
MAX1032/33 toc16
FREQUENCY (kHz)
CMRR (dB)
100010010
-90
-80
-70
-60
-50
-40
-30
-20
-10
0
-100
110,000
f
SAMPLE
= 115ksps
±
12V BIPOLAR RANGE
INTEGRAL NONLINEARITY
vs. DIGITAL OUTPUT CODE
MAX1032/33 toc17
DIGITAL OUTPUT CODE
INL (LSB)
12,28881924096
-0.5
0
0.5
1.0
-1.0
0 16,383
f
SAMPLE
= 115ksps
±
12V BIPOLAR RANGE
DIFFERENTIAL NONLINEARITY
vs. DIGITAL OUTPUT CODE
MAX1032 toc18
DIGITAL OUTPUT CODE
DNL (LSB)
12,2884096 8192
-0.5
0
0.5
1.0
-1.0
016,383
f
SAMPLE
= 115ksps
±
12V BIPOLAR RANGE
FFT AT 5kHz
MAX1032/33 toc19
FREQUENCY (kHz)
MAGNITUDE (dB)
5040302010
-120
-100
-80
-60
-40
-20
0
-140
0
f
SAMPLE
= 115ksps
f
IN(SINE WAVE)
= 5kHz
±
12V BIPOLAR RANGE
Typical Operating Characteristics (continued)
(AV
DD1
= AV
DD2
= DV
DD
= DV
DDO
= 5V, AGND1 = DGND = DGNDO = AGND2 = AGND3 = 0, f
CLK
= 3.5MHz (50% duty cycle),
external clock mode, V
REF
= 4.096V (external reference operation), REFCAP = AV
DD1
, maximum single-ended bipolar input range
(±12V), C
DOUT
= 50pF, C
SSTRB
= 50pF; unless otherwise noted.)
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