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.)
100
90
80
70
60
50
40
30
20
10
0
1
SNR, SINAD, ENOB
vs. ANALOG INPUT FREQUENCY
16 MAX1300 toc20
SNR
15
14
SINAD
13
ENOB
12
11
10
9
8
fSAMPLE = 115ksps
±3 x VREF BIPOLAR RANGE
7
6
10
100
1000
FREQUENCY (kHz)
SNR, SINAD, ENOB vs. SAMPLE RATE
100
16 MAX1300 toc21
SNR, SINAD
80
14
ENOB
60
12
40
10
20
0
0.1
8
fIN(SINE WAVE) = 5kHz
±3 x VREF BIPOLAR RANGE
6
1
10
100
1000
SAMPLE RATE (ksps)
-SFDR, THD vs. SAMPLE RATE
0
fIN(SINE WAVE) = 5kHz
-20 ±3 x VREF BIPOLAR RANGE
-SFDR, THD
vs. ANALOG INPUT FREQUENCY
0
fSAMPLE = 115ksps
-20 ±3 x VREF BIPOLAR RANGE
-40
-40
-60
-60
-80
-100
-120
0.1
THD
-SFDR
1
10
100
1000
SAMPLE RATE (ksps)
ANALOG INPUT CURRENT
vs. ANALOG INPUT VOLTAGE
1.0
ALL MODES
VREF = 4.096V
0.6
0.2
-0.2
-0.6
-1.0
-3 x VREF (-3 x VREF)/2 0 (+3 x VREF)/2 +3 x VREF
ANALOG INPUT VOLTAGE (V)
-80
THD
-100
-SFDR
-120
1
10
100
1000
FREQUENCY (kHz)
0
-5
-10
-15
-20
-25
-30
-35
-40
-45
1
SMALL-SIGNAL BANDWIDTH
10
100
1000
FREQUENCY (kHz)
10,000
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