Typical operating characteristics (continued) – Rainbow Electronics MAX1301 User Manual
Page 9
MAX1300/MAX1301
8-/4-Channel, ±12V Multirange Inputs,
Serial 16-Bit ADCs
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9
EXTERNAL REFERENCE INPUT CURRENT
vs. EXTERNAL REFERENCE INPUT VOLTAGE
MAX1300/01 toc12
EXTERNAL REFERENCE VOLTAGE (V)
EXTERNAL REFERENCE CURRENT (mA)
4.10
4.05
4.00
3.95
3.90
3.85
0.13
0.14
0.15
0.16
0.12
3.80
4.15
ALL MODES
GAIN DRIFT vs. TEMPERATURE
MAX1300/01 toc13
TEMPERATURE (
°C)
GAIN ERROR (%FSR)
60
35
10
-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
MAX1300/01 toc14
TEMPERATURE (
°C)
OFFSET ERROR (mV)
60
35
10
-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 RANGE
±12V BIPOLAR RANGE
CHANNEL-TO-CHANNEL ISOLATION
vs. INPUT FREQUENCY
MAX1300/01 toc15
FREQUENCY (kHz)
ISOLATION (dB)
1000
100
10
-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
MAX1300/01 toc16
FREQUENCY (kHz)
CMRR (dB)
1000
100
10
-90
-80
-70
-60
-50
-40
-30
-20
-10
0
-100
1
10,000
f
SAMPLE
= 115ksps
±12V BIPOLAR RANGE
INTEGRAL NONLINEARITY
vs. DIGITAL OUTPUT CODE
MAX1300/01 toc17
DIGITAL OUTPUT CODE
INL (LSB)
52,428
39,321
13,107
26,214
-1.5
-1.0
-0.5
0
0.5
1.0
1.5
2.0
-2.0
0
65,535
f
SAMPLE
= 115ksps
±12V BIPOLAR RANGE
DIFFERENTIAL NONLINEARITY
vs. DIGITAL OUTPUT CODE
MAX1300/01 toc18
DIGITAL OUTPUT CODE
DNL (LSB)
52,428
39,321
13,107
26,214
-1.5
-1.0
-0.5
0
0.5
1.0
1.5
2.0
-2.0
0
65,535
f
SAMPLE
= 115ksps
±12V BIPOLAR RANGE
FFT AT 5kHz
MAX1300/01 toc19
FREQUENCY (kHz)
MAGNITUDE (dB)
50
40
30
20
10
-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,
C
DOUT
= 50pF, C
SSTRB
= 50pF; unless otherwise noted.)