Datasheet

MAX1302
8-Channel, ±V
REF
Multirange Inputs,
Serial 16-Bit ADC
10 ______________________________________________________________________________________
SNR, SINAD, ENOB
vs. SAMPLE RATE
MAX1302 toc21
SAMPLE RATE (ksps)
SNR, SINAD (dB)
ENOB (bits)
100
16
14
12
10
8
6
101
20
40
60
80
100
0
0.1 1000
SNR, SINAD
Q V
REF
BIPOLAR RANGE
INPUT FREQUENCY = 5kHz
ENOB
-SFDR, THD
vs. SAMPLE RATE
MAX1302 toc22
SAMPLE RATE (ksps)
-SFDR, THD (dB)
100101
-100
-80
-60
-40
-20
0
-120
0.1 1000
THD
-SFDR
-SFDR, THD
vs. ANALOG INPUT FREQUENCY
MAX1302 toc23
FREQUENCY (kHz)
-SFDR, THD (dB)
10010
-100
-80
-60
-40
-20
0
-120
1 1000
THD
SFDR
Q V
REF
BIPOLAR RANGE
SAMPLE RATE = 115ksps
-1.5
-0.5
-1.0
0.5
0
1.0
1.5
ANALOG INPUT CURRENT
vs. ANALOG INPUT VOLTAGE
MAX1302 toc24
ANALOG INPUT VOLTAGE (V)
ANALOG INPUT CURRENT (mA)
-6 -2 0-4 2 4 6
SMALL-SIGNAL BANDWIDTH
MAX1302 toc25
FREQUENCY (kHz)
ATTENUATION (dB)
100010010
-25
-20
-15
-10
-5
0
-30
1 10,000
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.)