Rainbow Electronics MAX1403 - Manual (Page 10)

MAX1403
+3V, 18-Bit, Low-Power, Multichannel,
Oversampling (Sigma-Delta) ADC
10 ______________________________________________________________________________________
0
100
50
250
200
150
400
350
300
450
-50 0 -25 25 50 75 100
V DD SUPPLY CURRENT vs. TEMPERATURE
(240sps OUTPUT DATA RATE UNBUFFERED)
MAX1403 toc10
TEMPERATURE (°C)
V
DD
SUPPLY CURRENT (
µ
A)
V DD = +3.6V
(NOTE 30)
0
200
100
400
300
600
500
-50 0 25 -25 50 75 100
V DD SUPPLY CURRENT vs. TEMPERATURE
(480sps OUTPUT DATA RATE UNBUFFERED)
MAX1403 toc11
TEMPERATURE (°C)
V
DD
SUPPLY CURRENT (
µ
A)
V DD = +3.6V
(NOTE 30)
0
2000
1000
4000
3000
5000
-50 0 25 -25 50 75 100
V+ SUPPLY CURRENT vs. TEMPERATURE
(240sps OUTPUT DATA RATE)
MAX1403 toc12
TEMPERATURE ( ° C)
V+ SUPPLY CURRENT (
µ
A) BUFFERED
UNBUFFERED
0
2000
1000
4000
3000
5000
-50 0 25 -25 50 75 100
V+ SUPPLY CURRENT vs. TEMPERATURE
(480sps OUTPUT DATA RATE)
MAX1403 toc13
TEMPERATURE ( ° C)
V+ SUPPLY CURRENT (
µ
A) BUFFERED
UNBUFFERED
Typical Operating Characteristics (continued)
(V+ = +3V, V
DD
= +3V, V REFIN+ = +1.25V, REFIN- = AGND, f
CLKIN
= 2.4576MHz, transducer excitation currents disabled, T
A
=
+25°C, unless otherwise noted.)
Note 30: Minimize capacitive loading at CLKOUT for lowest V DD supply current. Typical Operating Characteristics show V DD
supply current with CLKOUT loaded by 120pF.