MAX1300_10 Datasheet, PDF (9/32 Pages) Maxim Integrated Products – 8- and 4-Channel, ±3 x VREF Multirange Inputs, Serial 16-Bit ADCs

8- and 4-Channel, ±3 x V_REF Multirange Inputs,
Serial 16-Bit ADCs
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.)
EXTERNAL REFERENCE INPUT CURRENT
vs. EXTERNAL REFERENCE INPUT VOLTAGE
GAIN DRIFT vs. TEMPERATURE
OFFSET DRIFT vs. TEMPERATURE
85
0.10
1.0
0.08
0.8
83
0.06
0.6
0.04
0.4
81
0.02
±3 x V_REF BIPOLAR RANGE
0.2
±3 x V_REF BIPOLAR RANGE
0
0
79
-0.02
-0.2
-0.04
-0.4
77
(±3 x V_REF)/4 BIPOLAR RANGE
-0.06
-0.6
(±3 x V_REF)/4 BIPOLAR RANGE
-0.08
-0.8
75
3.8
3.9
4.0
4.1
4.2
EXTERNAL REFERENCE VOLTAGE (V)
-0.10
-40 -15
10
35
60
85
TEMPERATURE (°C)
-1.0
-40 -15
10
35
60
85
TEMPERATURE (°C)
CHANNEL-TO-CHANNEL ISOLATION
vs. INPUT FREQUENCY
0
f_SAMPLE = 115ksps
-20
±3 x V_REF 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
f_SAMPLE = 115ksps
±3 x V_REF 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
f_SAMPLE = 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
f_SAMPLE = 115ksps
1.5 ±3 x VREF BIPOLAR RANGE
1.0
0.5
0
-0.5
-1.0
-1.5
FFT AT 5kHz
0
f_SAMPLE = 115ksps
-20
f_{IN(SINE WAVE)} = 5kHz
±3 x V_REF BIPOLAR RANGE
-40
-60
-80
-100
-120
-2.0
0
13,107 26,214 39,321 52,428 65,535
DIGITAL OUTPUT CODE
-140
0
10 20 30 40 50
FREQUENCY (kHz)
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