MAX1300 Просмотр технического описания (PDF) - Maxim Integrated
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MAX1300 Datasheet PDF : 31 Pages
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MAX1300/MAX1301
8- and 4-Channel, ±3 x VREF Multirange Inputs,
Serial 16-Bit ADCs
Typical Operating Characteristics (continued)
(VAVDD1 = VAVDD2 = VDVDD = VDVDDO = 5V, VAGND1 = VDGND = VDGNDO = VAGND2 = VAGND3 = 0V, fCLK = 3.5MHz (50% duty
cycle), external clock mode, VREF = 4.096V (external reference operation), REFCAP = AVDD1, maximum single-ended bipolar input
range, CDOUT = 50pF, CSSTRB = 50pF; unless otherwise noted.)
EXTERNAL REFERENCE INPUT CURRENT
vs. EXTERNAL REFERENCE INPUT VOLTAGE
85
83
81
79
77
75
3.8
3.9
4.0
4.1
4.2
EXTERNAL REFERENCE VOLTAGE (V)
GAIN DRIFT vs. TEMPERATURE
0.10
0.08
0.06
0.04
0.02
±3 x VREF BIPOLAR RANGE
0
-0.02
-0.04
(±3 x VREF)/4 BIPOLAR RANGE
-0.06
-0.08
-0.10
-40 -15
10
35
60
85
TEMPERATURE (°C)
OFFSET DRIFT vs. TEMPERATURE
1.0
0.8
0.6
0.4
0.2
±3 x VREF BIPOLAR RANGE
0
-0.2
-0.4
-0.6
(±3 x VREF)/4 BIPOLAR RANGE
-0.8
-1.0
-40 -15
10
35
60
85
TEMPERATURE (°C)
CHANNEL-TO-CHANNEL ISOLATION
vs. INPUT FREQUENCY
0
fSAMPLE = 115ksps
-20
±3 x VREF BIPOLAR RANGE
CH0 TO CH2
-40
-60
-80
-100
-120
1
10
100
1000
FREQUENCY (kHz)
10,000
COMMON-MODE REJECTION RATIO
vs. FREQUENCY
0
-10
fSAMPLE = 115ksps
±3 x VREF BIPOLAR RANGE
-20
-30
-40
-50
-60
-70
-80
-90
-100
1
10
100
1000
FREQUENCY (kHz)
10,000
INTEGRAL NONLINEARITY
vs. DIGITAL OUTPUT CODE
2.0
fSAMPLE = 115ksps
1.5 ±3 x VREF BIPOLAR RANGE
1.0
0.5
0
-0.5
-1.0
-1.5
-2.0
0
13,107 26,214 39,321 52,428 65,535
DIGITAL OUTPUT CODE
DIFFERENTIAL NONLINEARITY
vs. DIGITAL OUTPUT CODE
2.0
fSAMPLE = 115ksps
1.5 ±3 x VREF BIPOLAR RANGE
1.0
0.5
0
-0.5
-1.0
-1.5
-2.0
0
13,107 26,214 39,321 52,428 65,535
DIGITAL OUTPUT CODE
0
-20
-40
-60
-80
-100
-120
-140
0
FFT AT 5kHz
fSAMPLE = 115ksps
fIN(SINE WAVE) = 5kHz
±3 x VREF BIPOLAR RANGE
10 20 30 40 50
FREQUENCY (kHz)
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