MAX148 Maxim, MAX148 Datasheet - Page 6

• Manufacturer Part Number: MAX148
• Description: +2.7V to +5.25V / Low-Power / 8-Channel / Serial 10-Bit ADCs
• Manufacturer: Maxim

+2.7V to +5.25V, Low-Power, 8-Channel,
Serial 10-Bit ADCs
6
(V
____________________________Typical Operating Characteristics (continued)
DD
_______________________________________________________________________________________
0.50
2.00
1.75
1.50
1.00
0.75
1.25
= 3.0V, VREF = 2.500V, f
2.25
R
CODE = 1010101000
MAX149
L
=
2.75
MAX148
1.3
1.2
1.1
1.0
0.9
0.8
vs. SUPPLY VOLTAGE
-60
SUPPLY CURRENT
SUPPLY VOLTAGE (V)
3.25
SUPPLY CURRENT vs. TEMPERATURE
R
CODE = 1010101000
MAX148
LOAD
3.75
=
-20
TEMPERATURE (°C)
4.25
C
C
LOAD
20
LOAD
SCLK
= 50pF
= 20pF
4.75
60
= 2.0MHz, C
MAX149
5.25
100
2.501
2.500
2.499
2.498
2.497
2.496
2.495
2.494
140
3.0
2.5
2.0
1.0
0.5
LOAD
1.5
0
2.25
-60
V
DD
INTERNAL REFERENCE VOLTAGE
= 20pF, T
SHUTDOWN SUPPLY CURRENT
2.75
= 5.25V
-20
vs. SUPPLY VOLTAGE
vs. TEMPERATURE
SUPPLY VOLTAGE (V)
3.25
TEMPERATURE (°C)
20
A
MAX149
V
DD
= +25°C, unless otherwise noted.)
3.75
= 2.7V
FULL POWER-DOWN
60
4.25
V
DD
100
4.75
= 3.6V
2.0
1.6
1.2
0.8
0.4
5.25
140
0
-60
-20
2.5020
2.5015
2.5010
2.4995
2.4990
2.5005
2.5000
SHUTDOWN CURRENT
vs. TEMPERATURE
TEMPERATURE (°C)
2.25
20
INTERNAL REFERENCE VOLTAGE
2.75
vs. SUPPLY VOLTAGE
60
3.25
SUPPLY VOLTAGE (V)
MAX149
100
3.75
140
4.25
4.75
5.25