Datasheet

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)
10010
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)
(V
AVDD1
= V
AVDD2
= V
DVDD
= V
DVDDO
= 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 (±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)
ENOB (BITS)
100
14
13
12
11
10
9
101
20
40
60
80
100
0
0.1 1000
ENOB
SNR, SINAD
f
IN(SINE WAVE)
= 5kHz
±V
REF
BIPOLAR RANGE
-SFDR, THD
vs. SAMPLE RATE
MAX1034/35 toc22
SAMPLE RATE (ksps)
-SFDR, THD (dB)
100101
-100
-80
-60
-40
-20
0
-120
0.1 1000
THD
-SFDR
f
IN(SINE WAVE)
= 5kHz
±V
REF
BIPOLAR RANGE
-SFDR, THD
vs. ANALOG INPUT FREQUENCY
MAX1034/35 toc23
FREQUENCY (kHz)
-SFDR, THD (dB)
10010
-100
-80
-60
-40
-20
0
-120
11000
THD
SFDR
f
IN(SINE WAVE)
= 5kHz
±V
REF
BIPOLAR RANGE
ANALOG INPUT CURRENT
vs. ANALOG INPUT VOLTAGE
MAX1034/35 toc24
ANALOG INPUT VOLTAGE (V)
ANALOG INPUT CURRENT (mA)
420-2-4
-0.5
-1.0
0
0.5
1.0
1.5
-1.5
-6 6
ALL MODES