MAX1034 Просмотр технического описания (PDF) - Maxim Integrated
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MAX1034 Datasheet PDF : 31 Pages
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8-/4-Channel, ±VREF Multirange Inputs,
Serial 14-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 (±VREF), CDOUT = 50pF, CSSTRB = 50pF, unless otherwise noted.)
SNR, SINAD, ENOB
vs. ANALOG INPUT FREQUENCY
100
16 MAX1034/35 toc20
90
15
80
14
70
SNR
13
60
SINAD 12
50
11
40
ENOB
10
30
9
20
8
10
fSAMPLE = 115ksps
±VREF BIPOLAR RANGE
7
0
6
1
10
100
1000
FREQUENCY (kHz)
SNR, SINAD, ENOB
vs. SAMPLE RATE
100
ENOB
MAX1034/35 toc21
14
80
SNR, SINAD
13
60
12
40
11
20
fIN(SINE WAVE) = 5kHz
±VREF BIPOLAR RANGE
0
0.1
1
10
100
SAMPLE RATE (ksps)
10
9
1000
-SFDR, THD
vs. SAMPLE RATE
0
fIN(SINE WAVE) = 5kHz
-20 ±VREF BIPOLAR RANGE
-SFDR, THD
vs. ANALOG INPUT FREQUENCY
0
fIN(SINE WAVE) = 5kHz
-20 ±VREF BIPOLAR RANGE
-40
-40
-60
-60
-80
-100
-120
0.1
THD
-SFDR
1
10
100
1000
SAMPLE RATE (ksps)
-80
THD
-100
SFDR
-120
1
10
100
1000
FREQUENCY (kHz)
ANALOG INPUT CURRENT
vs. ANALOG INPUT VOLTAGE
1.5
ALL MODES
1.0
0.5
0
-0.5
-1.0
-1.5
-6 -4 -2 0 2 4 6
ANALOG INPUT VOLTAGE (V)
10 ______________________________________________________________________________________
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