MAX1032 Datasheet, PDF (10/31 Pages) Maxim Integrated Products – 8-/4-Channel, ±12V Multirange Inputs, Serial 14-Bit ADCs

8-/4-Channel, ±12V Multirange Inputs,
Serial 14-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
(±12V), C_DOUT = 50pF, C_SSTRB = 50pF; unless otherwise noted.)
SNR, SINAD, ENOB
vs. ANALOG INPUT FREQUENCY
100
16 ^{MAX1032/33 toc20}
SNR, SINAD, ENOB vs. SAMPLE RATE
100
16 ^{MAX1032/33 toc21}
90
15
SNR, SINAD
SNR
80
14
80
14
70
SINAD 13
ENOB
60
12
60
12
50
ENOB
11
40
10
40
10
30
9
20
10 ^{fSAMPLE = 115ksps}
±12V BIPOLAR RANGE
0
1
10
100
FREQUENCY (kHz)
8
7
6
1000
20
0
0.1
8
f_{IN(SINE WAVE)} = 5kHz
±12V BIPOLAR RANGE
6
1
10
100
1000
SAMPLE RATE (ksps)
-SFDR, THD vs. SAMPLE RATE
0
f_{IN(SINE WAVE)} = 5kHz
±12V BIPOLAR RANGE
-20
-SFDR, THD
vs. ANALOG INPUT FREQUENCY
0
f_SAMPLE = 115kHz
±12V BIPOLAR RANGE
-20
-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
0.6
0.2
-0.2
-0.6
-1.0
-12 -9 -6 -3 0 3 6 9 12
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
10 ______________________________________________________________________________________