Rainbow Electronics MAX1303 - Manual (Page 10)

MAX1302/MAX1303
8-/4-Channel, ±V
REF
Multirange Inputs,
Serial 16-Bit ADCs
10 ______________________________________________________________________________________
SNR, SINAD, ENOB
vs. SAMPLE RATE
MAX1302/03 toc21
SAMPLE RATE (ksps)
SNR, SINAD (dB)
ENOB (BITS)
100 10 1
20
40
60
80
100
0
8
10
12
14
16
6
0.1 1000
f IN(SINE WAVE) = 5kHz
±V
REF BIPOLAR RANGE
ENOB
SNR, SINAD
-SFDR, THD
vs. SAMPLE RATE
MAX1302/03 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
0
-120
1 100 1000
-SFDR, THD
vs. ANALOG INPUT FREQUENCY
-80
-60
-40
-100
-20
MAX1302/03 toc23
FREQUENCY (kHz)
-SFDR, THD (dB)
10
f SAMPLE = 115ksps
±V
REF BIPOLAR RANGE
THD -SFDR
-1.5
-0.5
-1.0
0.5
0
1.0
1.5
ANALOG INPUT CURRENT
vs. ANALOG INPUT VOLTAGE
MAX1302/03 toc24
ANALOG INPUT VOLTAGE (V)
ANALOG INPUT CURRENT (mA)
-6 -2 0 -4 2 4 6
SMALL-SIGNAL BANDWIDTH
MAX1302/03 toc25
FREQUENCY (kHz)
ATTENUATION (dB)
1000 100 10
-25
-20
-15
-10
-5
0
-30
1 10,000
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.)