MAX1032_11 Datasheet, PDF (10/32 Pages) Maxim Integrated Products – 8- and 4-Channel, ±3 x VREF Multirange Inputs, Serial 14-Bit ADCs

8- and 4-Channel, ±3 x V_REF
Multirange Inputs, Serial 14-Bit ADCs
Typical Operating Characteristics (continued)
(V_AVDD1 = V_AVDD2 = V_DVDD = V_DVDD0 = 5V, V_AGND1 = V_DGND = V_DGNDO = V_AGND2 = V_AGND3 = 0V, f_CLK = 3.5MHz (50% duty
cycle), external clock mode, V_REF = 4.096V (external reference operation), REFCAP = AVDD1, maximum single-ended bipolar input
range (±3 x V_REF), C_DOUT = 50pF, C_SSTRB = 50pF; unless otherwise noted.)
SNR, SINAD, ENOB
vs. ANALOG INPUT FREQUENCY
100
16 ^{MAX1032/33 toc20}
90
15
SNR
80
14
70
SINAD 13
60
12
SNR, SINAD, ENOB vs. SAMPLE RATE
100
16 ^{MAX1300/01 toc21}
SNR, SINAD
80
14
ENOB
60
12
50
ENOB
11
40
10
40
10
30
9
20
10 ^{fSAMPLE = 115ksps}
±3 x V_REF BIPOLAR RANGE
0
1
10
100
FREQUENCY (kHz)
8
7
6
1000
20
0
0.1
8
f_{IN(SINE WAVE)} = 5kHz
±3 x V_REF BIPOLAR RANGE
6
1
10
100
1000
SAMPLE RATE (ksps)
-SFDR, THD vs. SAMPLE RATE
0
f_{IN(SINE WAVE)} = 5kHz
±3 x V_REF BIPOLAR RANGE
-20
-SFDR, THD
vs. ANALOG INPUT FREQUENCY
0
f_SAMPLE = 115ksps
±3 x V_REF BIPOLAR RANGE
-20
-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
1.0
ALL MODES
0.6
0.2
-0.2
-0.6
-1.0
-3 x V_REF
-3 x V_REF
0
+3 x V_REF
2
2
ANALOG INPUT VOLTAGE (V)
+3 x V_REF
0
-5
-10
-15
-20
-25
-30
-35
-40
-45
1
SMALL-SIGNAL BANDWIDTH
10
100
1000
FREQUENCY (kHz)
10,000
10 ______________________________________________________________________________________