Rainbow Electronics MAX1035 - Manual (Page 10)

MAX1034/MAX1035
8-/4-Channel, ±V
REF
Multirange Inputs,
Serial 14-Bit ADCs
10 ______________________________________________________________________________________
SNR, SINAD, ENOB
vs. ANALOG INPUT FREQUENCY
MAX1034/35 toc20
FREQUENCY (kHz)
SNR, SINAD (dB)
100 10
10
20
30
40
50
60
70
80
90
100
0
1 1000
ENOB (BITS)
7
8
9
10
11
12
13
14
15
16
6
f SAMPLE = 115ksps
±V
REF BIPOLAR RANGE
SNR
SINAD
ENOB
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
(±V REF ), C DOUT = 50pF, C SSTRB = 50pF, unless otherwise noted.)
SNR, SINAD, ENOB vs. SAMPLE RATE
MAX1034/35 toc21
SAMPLE RATE (ksps)
SNR, SINAD (dB)
100 10 1
20
40
60
80
100
0
0.1 1000
ENOB
SNR, SINAD
f IN(SINE WAVE) = 5kHz
±V
REF BIPOLAR RANGE
10
11
12
13
14
9
ENOB (BITS)
-SFDR, THD vs. SAMPLE RATE
MAX1034/35 toc22
SAMPLE RATE (ksps)
-SFDR, THD (dB)
100 10 1
-100
-80
-60
-40
-20
0
-120
0.1 1000
f IN(SINE WAVE) = 5kHz
±V
REF BIPOLAR RANGE
THD
-SFDR
-SFDR, THD vs. ANALOG INPUT
FREQUENCY
MAX1034/35 toc23
FREQUENCY (kHz)
-SFDR, THD (dB)
100 10
-100
-80
-60
-40
-20
0
-120
1 1000
f SAMPLE = 115ksps
±V
REF BIPOLAR RANGE
THD
-SFDR
ANALOG INPUT CURRENT
vs. ANALOG INPUT VOLTAGE
MAX1034/35 toc24
ANALOG INPUT VOLTAGE (V)
ANALOG INPUT CURRENT (mA)
4 2 0 -2 -4
-0.5
-1.0
0
0.5
1.0
1.5
-1.5
-6 6
ALL MODES